465results about How to "Improve anti-overturn performance" patented technology

The invention discloses a three-freedom-degree series-parallel omni-directional mobile transfer robot. The transfer robot comprises an omni-directional mobile chassis, a main slewing gear, a lifting device, parallel working arms, a tail end slewing gear and a clamp holder. The omni-directional mobile chassis is used for executing walking and steering tasks, the lifting device is connected with the omni-directional mobile chassis through the main slewing gear, the parallel working arms installed at the top of the lifting device are connected with the clamp holder through the tail end slewing gear and are used for adjusting the operation posture of the clamp holder. A series-parallel is adopted in a robot body, and the omni-directional mobile transfer robot has the advantages of being high in rigidity, large in carrying capacity, high in motion precision, large in operation space and the like; the clamp holder has six motion ranges and three independent motion freedom degrees and is high in motion flexibility; the tri-drive omni-directional mobile chassis can realize walking tasks of moving forward, or moving backward, or turning left or turning right, and is reasonable in structural design, and high in anti-overturning ability. In addition, the omni-directional mobile transfer robot has the advantages of being convenient to manipulate, and high in adaptability to road conditions.

The invention relates to an at-sea wind generation unit foundation formed by a barrel type foundation and a mooring rope anchor, which is composed of the barrel type foundation, a connection tower barrel, a cable rope and a suction anchor, the barrel type foundation is a steel cylinder structure which is provided with a sealing top cover, the connection tower barrel is a steel conical cylinder shape structure, the connection tower barrel and the barrel type foundation are fixed by welding and are reinforced by a rib plate, and the connection tower barrel and a connection tower barrel tower barrel are fixedly connected by a flange, and two ends of the cable rope are respectively fixed with the connection tower barrel and the suction anchor by welding. The at-sea wind generation unit foundation has the advantages that: the structure is simple, the construction is convenient, the work amount is low and the structure stress is rational. The barrel type foundation of the foundation self-floats to the construction position at sea by traction, the transportation cost can be reduced; a large hoisting ship does not need to be placed at seabed or pile driving construction at sea is not needed, the barrel type foundation can be recycled, thereby being environmental-protection; the load of the foundation structure, especially for moment load, can be effectively dispersed by the suction anchor, so as to improve the antidumping capacity of the single barrel type foundation.

The invention relates to the fields of intelligent robot, in particular to a multi-axis propulsion water search and rescue robot. The multi-axis propulsion water search and rescue robot comprises a central control platform, at least three downward projecting brackets are arranged along the circumferential direction of the central control platform, hinge cable devices are arranged on each bracket, hinge cable devices are hoisted with foldable lifesaving net under the central control platform through cables, a power float device is also connected at the lower end of each bracket, a controller is arranged on the central control platform, and the controller is communicated with the hinge cable device and a power float device. The multi-axis propulsion water search and rescue robot has various motion modes, such as hovering, advancing, retreating and 360 DEG free steering in water, has high stability, has high ability to withstand wind and wave, and can be a good alternative to the traditional rescue way; meanwhile the design of the foldable lifesaving net realizes the purpose of fast and safe lifesaving, can realize multiple tasks such as water search and rescue, the water surface monitoring, the water measurement and control and the like in complicated water area and bad weather condition, practicability is high, flexibility is good and popularization prospect is good.

The invention discloses a formwork with a high cantilever structure and a construction method thereof. The construction method comprises following steps: utilizing angle iron at bottoms fixed at beam corners in a structure with N layers of beams as support points of a braced steel I-beam; welding and fixing top angle iron in middles of a steel I-beam with a cantilever structure; matching and buckling the top angle iron with corners of beams in n+1 layers; welding and fixing a support of the braced steel I-beam at the end portion of the steel I-beam with the cantilever structure or below by closing to the end portion; and pre-burying at least two round steel pressing rings in a floorslab in the N+1 layer during structural construction. Each round steel pressing ring is firmly welded with the steel I-beam with the cantilever structure or plugged and fixed by a wooden wedge. The high cantilever structure is characterized in that positions of cantilever members are high above the ground. The members with cantilever structures are long in cantilever span lengths and great in deflection produced by structural self-weight. The braced steel I-beam and a welding point position of a horizontal steel I-beam cantilever platform can be determined according to cantilever length. An optimal load-carrying position is within the range spacing from the outside of the span edge of the cantilever members.

The invention discloses an offshore wind power foundation structure consisting of a single pile, cylindrical foundations and an anchor cable. The offshore wind power foundation structure consists of a single pile, multiple cylindrical foundations and an anchor cable, wherein the cylindrical foundations are uniformly distributed on the circumference which takes the single pile as the center of a circle; the anchor cable is obliquely tensioned and is connected with the cylindrical foundations and the single pile; the anchor cable, the cylindrical foundations and the single pile are connected through welding; the included angle between the anchor cable and the single pile is between 30 and 60 degrees; and the top of the single pile is connected with a wind turbine tower through a flange plate. According to the technical scheme, a novel foundation type consisting of the single pile, the cylindrical foundations and the anchor cable is given, the anchor cable is connected with the cylindrical foundations and the single pile and is obliquely tensioned, the resistance of shallow soil on the earth surface is fully exerted, the bending moment resistance of the structure is enhanced, and the displacement of the pile body is reduced, so that the aim of reducing the diameter and thickness of the single pile is fulfilled.

The invention relates to a construction method of a composite unilateral formwork deep foundation pit basement exterior wall. The construction method comprises the steps of: firstly, a composite waterproof layer of the deep foundation pit basement exterior wall is adopted for waterproof treatment of the basement exterior wall; secondly, a basement bottom plate and an outer wall guide wall are poured; thirdly, aiming at different working conditions with limited fertilizer tank space, three different unilateral formwork systems are adopted for carrying out unilateral formwork on the basement exterior wall, and each unilateral formwork system comprises an exterior wall frame opposite-supporting unilateral formwork system, an exterior wall steel pipe fastener inclined-supporting unilateral formwork system and an exterior wall profile steel support inclined-supporting unilateral formwork system; and fourthly, a basement exterior wall is poured. The method the following beneficial effects: aprotection wall adopts segmented prefabricated hoisting rear tenon type waterproof inserting connection to replace a traditional masonry or cast-in-place concrete structure; the construction efficiency is high, and the waterproof performance is good; and meanwhile, adjustable pull-connection pieces connected with the prefabricated protection wall sections are pre-buried in the foundation pit enclosure structure, so that the perpendicularity of the prefabricated protection wall sections is guaranteed, and the construction quality is high.

The invention relates to a precast concrete tower crane foundation, in particular to a prefabricated precast concrete tower crane foundation in the shape of a bolt connecting box, belonging to the technical field of the constructional machinery. The prefabricated precast concrete tower crane foundation in the shape of a bolt connecting box comprises a plurality of box-shaped components in three structural forms. The box-shaped components are connected into a whole body by bolts. Solid or liquid is filled in the box-shaped components so as to be used weight balancing material. The prefabricated precast concrete tower crane foundation can be installed conveniently and constructed easily on the site and has low manufacturing cost. The weight balancing material can be filled and removed conveniently. The prefabricated precast concrete tower crane foundation can meet the requirement of the tower cranes of various types and models, has similar stability in all directions, has no weak axis and has good overturning resisting ability. The bolts for connecting the box-shaped components can be used repeatedly.

The invention provides a prefabricated concrete frame infill wall system and a construction method thereof. The system comprises a rectangular concrete frame which is formed by concrete frame columns and concrete frame beams in an enclosing mode and an infill wall infilling the frame, anchoring ribs are implanted into the left frame columns in a uniformly spaced mode, the right frame columns and the upper frame beam on a frame inner ring, and the tail end of the anchoring rib on the upper frame beam is horizontally connected with a horizontal through long rib. According to the prefabricated concrete frame infill wall system and the construction method thereof, early cracking and corner damage of the frame infill wall are controlled by changing the structural form of the infill wall to improve the ductility of the wall and the overall anti-seismic property of the frame structure, and the anti-seismic property of the system is guaranteed by serving as the first anti-seismic defense line; in addition, the construction efficiency is high, the anti-dumping capacity is good, and the labor intensity is low. The construction method can be widely applied to concrete frame infill wall construction.

The invention relates to a design method for a T-shaped intersection of an arterial highway in a mountain area for traffic safety. Roadside protections are graded according to the collision energy of vehicles steering at the roadside of the intersection, and corresponding novel concrete guard bar structures are arranged; guard bars comprise herringbone collision posts and independent concrete short bases, the requirements of different protection levels of the roadside at the intersection are met by regulating the spaces, sizes and the depth embedded into a roadbed of the herringbone collision posts, and the purpose of protecting the vehicles steering at the intersection is achieved; the included angle between the herringbone collision posts and the edge line of a lane is 5-15 degrees, so that the protection area for steering vehicles is increased; PVC (poly vinyl chloride) pipes are sheathed on the outer layers of the collision posts, red-and-white retroreflection vertical face mark lines are arranged on both the collision posts and the concrete short bases, so that the visibility of the intersection is improved; 3-4 groups of vibration deceleration zones are arranged on the crossed road 3-6m away from the intersection; vibration side lines are additionally arranged at the roadside in the range of 30-50m in all the directions of the intersection. The design method is applicable to controlling the T-shaped intersection in the mountain area without signal control, and the primary road is a second-class highway or a first-class highway.

The invention discloses an adjustable tower crane steel platform foundation which comprises a foundation platform and latticed columns. The foundation platform is fixedly connected with a tower crane foundation section, and the latticed columns are fixedly connected with the foundation platform. The latticed columns are fixedly arranged in foundation piles of a tower crane. The foundation platform is a steel platform base welded by H-type steel and comprises steel beams of a two-layer structure, the steel beams are fixedly connected up and down, the auxiliary steel beam is arranged on the lower layer and formed by four pieces of H-type steel in a fixedly-connected mode, and the four pieces of H-type steel are distributed to be shaped like the Chinese character 'kou'. The supporting steel beam is arranged on the upper layer and formed by two pieces of H-type steel in a combined mode, and the two pieces of H-type steel are arranged in parallel. The supporting steel beam is fixedly connected to the top face of the auxiliary steel beam in a centered mode. The top ends of the latticed columns are provided with connecting column caps. The bottom face of the auxiliary steel beam is fixedly connected to the top faces of the connecting column caps, and the tower crane foundation section and the supporting steel beam are welded or connected through high-strength bolts. The double-layer adjustable structure steel beams are used as the steel platform base of the tower crane, a pile foundation is easily and sufficiently used, the same platform base is suitable for installing tower cranes in different types, the construction cost is further reduced, and the stress conditions and the anti-dumping capacity of the tower crane foundation can be greatly improved.

The invention relates to a maintenance structure for a foundation pit next to an existing building. The maintenance structure is characterized by mainly comprising a cement mixing pile water stop curtain, a cast-in-situ bored pile support pile, non-soil-squeezing anti-overturning piles and a slant pull rod, wherein the cast-in-situ bored pile support pile, the cement mixing pile water stop curtain and the non-soil-squeezing anti-overturning piles are sequentially arranged on the outer side of a foundation pit excavation side boundary from inside to outside; a raft plate is arranged in a pile body top area from the non-soil-squeezing anti-overturning piles to the cast-in-situ bored pile support pile, and a continuous perforated steel plate is arranged on the top of the raft plate; the upper portion of the slant pull rod is arranged on the continuous perforated steel plate on the tops of the non-soil-squeezing anti-overturning piles, the lower portion of the slant pull rod is arranged on the outer side of the cast-in-situ bored pile support pile, and the two ends of the slant pull rod are each fixed with an anchorage device, a base plate and a pedestal. The foundation pit maintenance structure effectively solves the technical problem that the foundation pit next to the existing building is hard to support, and has good technical and economical benefits.

The invention discloses a single pile and gravity combined offshore wind plant blower foundation. The foundation comprises a steel pipe pile vertically inserted to a seabed; the upper end of the steel pipe pile is connected with a transition section, and the upper end of the transition section is connected with a blower tower cylinder; the lower end of the steel pipe pile is anchored on the seabed by crossing through a gravity type foundation. The technical scheme of the single pile-gravity combined offshore wind plant blower foundation provides a novel foundation model formed by combining a single pile and the gravity; through adding an additional hollow gravity type foundation at the position of the steel pipe pile closing to the seabed, the rigidity of the single pile foundation closing to the seabed face is enhanced, advantages of two foundations are combined, and the using scale of a single-pile foundation is enlarged. The scheme increases the ability of resisting bending torque of the single-pile foundation, reduces the displacement of the pile body, and decreases the diameter and the thickness of the steel pipe pile.

The invention discloses a shock insulating device resistant to pulling and twisting and belongs to the technical field of building shock resistance. The shock insulating device is mainly composed of a high-rise structure (1), an upper-portion rigid pedestal (2) with high rigidity and bearing capability, a base heat-insulating layer (3), viscous dampers (4), damping springs (5), springs, a damper supports (6), a lower-portion rigid pedestal (7) with high rigidity and bearing capability, horizontal limiting sliders (8), bottom horizontal shock-insulating linear guide rails (9), bottom longitudinal shock-insulating linear guide rails (10) and longitudinal limiting sliders (11). The shock insulating device is low in cost, simple in structure, convenient to construct, high in pulling resistance and twisting resistance and obvious in shock-insulating effect.

The invention relates to a rock-socketed single pile foundation through offshore wind power and a construction method of the rock-socketed single pile foundation. The rock-socketed single pile foundation comprises a steel pipe single pile which is positioned in the center, wherein the lower end of the steel pipe single pile is inserted into a seabed, and the upper end of the steel pipe single pile is positioned above the sea level; a fan tower cylinder is mounted at the upper end of the steel pipe single pile, and a plurality of steel pipe grouting piles which are fixedly connected to the steel pipe single pile are arranged at intervals at the internal circumambient part or the periphery in the steel pipe single pile; the lower ends of the steel pipe grouting piles are inserted into the seabed, and the upper ends of the steel pipe grouting piles are positioned above the sea level; the inner parts of the lower ends of the steel pipe grouting piles are grouted with concrete socketed piles of which the lower ends penetrate through the lower ends of the steel pipe grouting piles to be embedded and fixed in a baserock layer of the seabed. According to the rock-socketed single pile foundation disclosed by the invention, the difficult problem that at current, in China, full cut-off sock-socketed construction of large diameter pile foundation cannot be realized is effectively solved, and besides, the horizontal load bearing capacity and the antidumping capacity of the pile foundation are improved; the dynamic response of infrastructures is reduced, the application scope of the single pile foundation is enlarged, and the single pile foundation disclosed by the invention has a high application value.

The invention discloses an anti-overturning structure for a single-pier bridge girder. The anti-overturning structure comprises a steel girdle structure arranged on a pier stand column in a sleeving mode. The steel girdle structure comprises two steel girdles with the same structure, a plurality of opposite-pulling high-strength bolts arranged on the joints of the steel girdles and a plurality of anchor bolts arranged in preformed holes in the steel girdles. The opposite-pulling high-strength bolts enable the steel girdles to be combined into the integral steel girdle structure. The steel girdle mechanism and the pier stand column are fixed through the anchor bolts. Two steel brackets are welded to the two steel girdles. The height of an intelligent supporting base arranged between the steel brackets and the bottom of the bridge girder is adjustable, and it is ensured that the upper surface of the intelligent supporting base is tightly attached to the bottom of the bridge girder and the lower surface of the intelligent supporting base is tightly attached to the steel brackets. According to the anti-overturning structure for the single-pier bridge girder, the anti-overturning performance of the single-pier bridge girder is improved; the anti-overturning structure has good construction convenience, wide applicability and excellent economy.

The invention discloses a shock isolation device with orthogonal guide rails. The shock isolation device with the orthogonal guide rails comprises an upper plate, a lower plate, two shock isolation flat plates arranged at the top and the bottom, and a shock isolation assembly, wherein the shock isolation assembly comprises two groups of linear guide rail assemblies, a group of slide seats, and twogroups of return connection elements; the two groups of linear guide rail assemblies installed on the two shock isolation flat plates separately are orthogonally arranged; one slide seat is connectedwith the two groups of linear guide rail assemblies at the top and the bottom simultaneously, and connected with floating ends of the two groups of return connection elements simultaneously, and fixed ends away from a slide assembly, of the two groups of return connection elements, are installed on two shock isolation plate assemblies separately; and in a normal working state, the shock isolationassembly limits the gravity center of each shock isolation flat plate to be always located in an area where the two shock isolation flat plates are mutually superposed. According to the shock isolation device with the orthogonal guide rails, the overall anti-overturning capacity of the shock isolation device is improved; and the shock isolation device with a new structure can be independently used.

The invention discloses a self-propelled underwater tunnel immersed tube carrying and mounting integrated ship. The ship comprises a first ship body and a second ship body which are parallel, a connecting structure is arranged between the first ship body and the second ship body, and traction hoisting equipment arranged on the first ship body, the second ship body and the connecting structure. A carrying space is formed between the first ship body and the second ship body below the connecting structure, a component to be installed is arranged in the carrying space and connected with the ship bodies, and a propelling power device and a power positioning system are arranged on the first ship body and the second ship body. The lower portion of the integrated ship is provided with the carryingspace. Goods to be transported are placed in the carrying space and float in water. Most weight of goods is shared by buoyancy. The goods are transported to the designated position, and precise installation work is completed. Underwater tunnel immersed tubes or similar large components of various sizes can be independently transported and installed through one self-propelled ship body successfully, other ships do not need to be used for dragging, channels do not need to be sealed for other ships in the transportation process, and passing of other ships is not affected.

The invention provides a rubber tube rolling shock insulation support for shock insulation of a building structure foundation. The rubber tube rolling shock insulation support comprises a limiting seat, a ball limiting rack, multiple balls, multiple rubber tubes, a concrete column-column foot lining plate and a limiting stay rope. An upper-portion structure can produce a certain amplitude of horizontal displacement with respect to the shock insulation support fixed to the foundation through matching of the limiting seat, the rubber tubes, the balls and the ball limiting rack when horizontal shock occurs, the power effect of shock on the upper-portion structure is reduced, deformation of a shock insulation layer during earthquake can be limited, the support has a certain reset capability, the limiting stay rope can ensure that the upper-portion structure and the foundation do not produce overlarge displacement, the shock resistance capability of the structure is improved, and the shock resistance demand is met.

The invention relates to the field of offshore wind power mechanisms and aims to provide an offshore wind turbine tower foundation structure and an installation method. The offshore wind turbine tower foundation structure comprises an offshore jacket and a column pile component, wherein the offshore jacket comprises one or more cylinders arranged on the bottom, the column pipe component comprises one or more parallel column piles, the top of the column pile component is arranged in the cylinders, the portions, in the cylinders, of the column piles are connected through connectors, and the cylinders are grouted to enable the column pile component to be connected with the cylinders. The offshore wind turbine tower foundation structure has the advantages that the column piles can be small-diameter steel pipe piles, the multiple column piles are mutually connected through the connectors and connected with a sleeve on the bottom of a main conduit of the offshore jacket through grouting, so that a grid structure is formed by the column piles, structure inertia moment is increased, the overall rigidity and horizontal bearing capacity of the structure are improved, horizontal displacement of the bodies of the column piles is reduced, and the anti-topple capacity of a foundation is improved.

An arrangement for the storage of marketable quantities of crude oil at a semi-submersible floating production vessel. The storage is achieved by hanging a segmented reinforced concrete tank (2) to the underside of the semi-submersible vessel. The semi-submersible vessel can be an existing semi-submersible drilling rig. By maintaining the mass of the tank and contents slightly greater than the displacement of the tank and by arranging the centre of gravity of the tank below its centre of buoyancy, the metacentric height of the semi-submersible vessel is approved. The storage arrangement for the oil provides the necessary maintenance of mass by either storing approximately 4/5 of the oil in oil-over-water chambers and approximately 1/5 in gas-over-oil chambers or by using a gas-over-oil-over-water arrangement in all the chambers. The piping arrangements minimize the free surface of liquids in the tank. The design ensures the internal pressure in the tank can be less than the external pressure which minimizes required reinforcement. The design provides a net positive suction head to oil export pumps located above the storage tank in a location which allows easy maintenance. The design allows all pumps, valves and instrumentation necessary for handling ballast water to be maintained within the hull of the semi-submersible where they can be easily maintained. The design allows all the valves, pumps and instrumentation necessary for handling oil to be in locations where they can be easily maintained.

The invention discloses a construction method of a combined supporting and retaining structure, and relates to the technical field of civil construction. The method includes the steps of surveying and setting-out, mountain slope treatment, manufacturing of prefabricated reinforced concrete breast boards, foundation surface cleaning and replacement filling, construction of a cast-in-place concrete foundation, construction of a cantilever type structure, construction of pre-stressed anchor cables, masonry installation of the prefabricated reinforced concrete breast boards, and construction of a wrapped face reinforced soil structure and a covering layer. By using the vertical pre-stressed anchor cables, the workload can be reduced, the construction period can be shortened, the anti-overturning capacity and anti-slippage capacity of the combined supporting and retaining structure can be improved, and the overall stability and anti-lateral-deformation capacity of the whole combined supporting and retaining structure can be improved; by adopting the prefabricated reinforced concrete breast boards, the construction progress can be accelerated, and the project quality can be ensured; by using the wrapped face reinforced soil structure, the strength and integrity of a filling part can be improved, and the lateral soil pressure on the panel of the supporting and retaining structure can be reduced. By means of the method, the overall stability is improved, occupation of land is reduced, construction is simplified, and the construction cost is reduced; the method is especially suitable for roadbed construction in mountainous and hilly regions.