45results about How to "Improve the form of force" patented technology

The invention discloses a method for supporting underground layer increasing of an existing building by a supporting structure and an underpinning structure. The method comprises the steps that an annular reinforced concrete underground continuous wall is constructed on the outer side of a frame structure independent foundation; (2) reinforced concrete underpinning piles are constructed on the outer sides of the four corners of several rows of independent foundation frame columns in the middle and the outer sides of two corners on the inner side of an outer side independent foundation frame column; (3) a horizontal underpinning beam is constructed at the height position on the top of the independent foundation, the beam wraps the frame columns from the periphery, the lower end of the beam is supported at the top ends of the underpinning piles, the frame columns in different axes are also connected into a whole through the underpinning beam, and the two ends of the underpinning beam are connected with the underground continuous wall on the outer side; (4) the independent foundation at the lower ends of the frame columns is cut off; (5) a layer of basement earthwork within the layer high range is dug, and the next layer of horizontal underpinning beam is constructed at a pit bottom; (6) the step (5) is executed again until the bearing earth stratum of a basement bottom plate is reached; (7) the basement bottom plate, all layers of floor slabs and a top plate are constructed from bottom to top, and the basement structure construction is completed.

The invention discloses a space optical remote sensor main bearing plate structure adopting an embedded part, and belongs to the technical field of space optical remote sensing, and relates to a main bearing plate structure of the embedded part. The technical problem to be solves is to provide a space optical remote sensor main bearing plate structure adopting an embedded part. The technical scheme is as follows: the structure comprises a main bearing plate front panel, a first truss embedded block, a second truss embedded block, a third truss embedded block, a three-mirror embedded block, a main mirror embedded block, a main bearing plate central hole, a main bearing plate back panel, a folded mirror embedded block, a bias current embedded block, a main mirror embedded block socket, a longitudinal bar groove, a transverse bar groove, a transverse bar and a longitudinal bar. By virtue of the embedded blocks on the main bearing plate, the corresponding mirror assemblies and the other supporting structure assemblies are mounted and located to form a main structure of the space optical remote sensor. The transverse bar and the longitudinal bar are arranged on a contact surface between each embedded block and the bearing plate, so that the effective contact area with a carbon fiber composite material is enhanced; the structure rigidity is reinforced; and the structure reliability is improved.

An elastic connection structure between door or window and structural opening is composed of a head part and a tail part. A central through hole passes through said head part and tail part. Several radial slots are made on head part and extended to a position before the end of tail part. Its elastic connection method includes such steps as providing an additional steel frame, fixing it to wall to make it in said structural opening, making one or more holes on said steel frame, inserting said elastic connection structure in each hole, and turning a screw into the central through hole of each elastic connection structure.

The invention belongs to the field of captive balloons, and provides a mooring system for quickly deploying a captive balloon, which integrates the functions of transition transportation, balloon bodystorage, automatic erection and expansion, lift-off/recovery, ground mooring and the like. The captive balloon mooring system platform mainly comprises a semitrailer, a rotary platform, a captive tower, a balloon cabin, a guide pulley and the like. The system is high in automation degree, transportation and transition of the system are facilitated, the balloon body can be directly inflated and unfolded on the mooring platform, the complex mounting and dismounting process in use is avoided, the system unfolding procedure is simplified, the preparation time of the system is shortened, the number of personnel needed for operation in the whole process is small, the unfolding and folding time is short, and rapid deployment is achieved.

The invention discloses a full-cereal powder production technology. The technology comprises the steps that a full-cereal powder raw material is prepared; the full-cereal powder raw material is throwninto a first vibratory grinding unit which comprises a vibrating mill and a classifying sieve, and the full-cereal powder raw material forms an on-the-sieve material and an under-the-sieve material through grinding and screening of the vibrating mill and the classifying sieve; the on-the-sieve material is thrown into the first vibratory grinding unit or the other vibratory grinding unit to further obtain an on-the-sieve material and an under-the-sieve material; and the vibratory grinding unit comprising the vibrating mill and the classifying sieve grinds and screens the on-the-sieve materialsuntil the on-the-sieve materials are not formed basically, all the under-the-sieve materials are mixed to obtain full-cereal powder, or by means of the further on-the-sieve material, cereal skin is obtained, and all the under-the-sieve materials and the cereal skin are mixed to obtain the full-cereal powder. According to the technology, micro particle precise composite stabilization is achieved,natural oxidation inhibitor/preservative including phytic acid contained in cereals is used for protecting unsaturated fat and other unstable ingredients, and stabilization of full cereals is achieved.

The invention discloses a novel fabricated building joint and a construction form thereof. The novel fabricated building joint mainly comprises reinforcement, normal concrete or high-performance concrete or reactive powder concrete (RPC), and is characterized in that a special-shaped normal concrete structure factory is adopted to pre-embed U-shaped or T-shaped reinforcement, and stagger arrangement is carried out; and the reinforcement at the upper part and lower part adopts overlapped part reinforcement lap-jointing, welding, grouting or sleeve connection, and the RPC or normal concrete or high-performance concrete is poured at the post-casting section. The joint is suitable for beam-beam joint, beam-column joint and shear wall joint connection, and is excellent in stress form, the U-shaped reinforcement or T-shaped reinforcement is added, shear resisting performance is high, the interface contact area between old and new concrete is large, connection is reliable, the work efficiencyis improved greatly, and the length of reinforcement anchoring is also decreased, safety is high, adhesion is high, anti-seismic performance is good, and the novel fabricated building joint can be widely applied to prefabricated parts and has the advantages of being efficient in fabricated building and high in safety index.

The invention discloses a foundation pit support structure for mixing piles, which comprises a concrete mixing pile, an anchor pile and a steel halter. The anchor pile is on the axis which goes through the concrete mixing pile and is vertical to the side of the foundation pit; the steel halter is respectively connected with the concrete mixing pile and the anchor pile. By adopting the proposal, the foundation pit support structure for mixing piles of the invention adds the anchor pile to the base of the concrete mixing pile, and the concrete mixing pile and the anchor pile are connected by the steel halter. As a result, the horizontal force jacked by the mixing pile on the soil is offset by the tension of the steel halter, thereby improving the stress state of the concrete mixing pile, increasing the anti-overturning ability of the concrete mixing pile, reducing the section width of the mixing pile compared with the engineering that has the same conditions, and saving engineering cost.

The invention discloses a ring-shaped inner support with a deep foundation ditch not enclosed, comprising an inner support ring and a support bar; wherein the inner support ring is arranged in the deep foundation ditch one side of which is not enclosed and the support bar is used for supporting the inner support ring and continuous sides of the foundation ditch. The inner support is characterized in that an opposite vertex lute support or an oblique truss is arranged at the side of the deep foundation ditch which is not enclosed, thus supporting the inner support ring at the side of the deep foundation ditch which is not enclosed. The inner support can ensure that horizontal deformation of every side of the foundation ditch is controlled within the range permitted by standards and the use range of the ring-shaped inner support is widened, so that the ring-shaped inner support can be used even if one side of the periphery of the foundation ditch is not enclosed and the advantages of fewer ring-shaped inner support, convenient and rapid excavation of the foundation ditch, low cost, good force mode and the like are given full play.

The invention relates to the technical field of mechanics environment tests, in particular to an anti-rotation adjusting device for centrifugal tests. The anti-rotation adjusting device comprises an adjusting draw bar, a first connecting piece and a second connecting piece. The first connecting piece, the second connecting piece and the adjusting draw bar are coaxially arranged, the first connecting piece is fixedly connected with a stretching end of the adjusting draw bar, and the second connecting piece is rotatably connected with a fixed end of the adjusting draw bar. The anti-rotation adjusting device has the advantages that the stretching end of the adjusting draw bar can rotate and move relative to fixe sections of the adjusting draw bar, and accordingly the integral length of the adjusting draw bar can be changed; the second connecting piece is rotatably connected with the fixed end of the adjusting draw bar in centrifugal test procedures, accordingly, the stretching end and the fixed end of the adjusting draw bar can be prevented from being loosened due to excessive relative rotation, the adjusting draw bar always keeps in pre-tightened states in the centrifugal test procedures, rotation of test chambers due to mass eccentricity in the centrifugal test procedures can be prevented, test pieces and the test chambers always assuredly keep at stable positions, and the integral centrifugal tests can be assuredly safely and reliably carried out.

The invention discloses a fuel tank and a swash plate thereof. The swash plate comprises a first arch plate and a second arch plate, multiple flow guide holes are formed in the first arch plate and the second arch plate, either the first arch plate or the second arch plate is hunched up toward a front plate of the fuel tank, the other arch plate is hunched up toward a rear plate of the fuel tank, and the first arch plate and the second arch plate are arranged in an intersecting mode. Compared with the prior art, by means of the intersecting arrangement structure of the arch plates of the swash plate, the impact resistance in the forward direction can be remarkably improved, meanwhile, when the arch plates transmit the impact force to weld seams at connection positions of the swash plate and fuel tank walls, a majority of the acting force is transformed from the vertical shearing force of the straight plate scheme into pull and press stress in parallel along the arch plate surfaces, and force-bearing of the weld seam structure is greatly improved. In addition, the length of connection weld seams between the swash plate and the fuel tank walls is remarkably lengthened, the cross-sectional area of each weld seam is greatly increased, and for the fuel tank, by means of the design, the structural entire strength and stability can be improved. Furthermore, the invention further discloses a mining dump vehicle containing the fuel tank.

The invention relates to an embedded column base joint. The embedded column base joint comprises a steel pipe column, a bottom plate is arranged at the bottom of the steel pipe column, a plurality ofstuds are arranged on the outer side of the column wall of the steel pipe column, an annular table sleeves the steel pipe column, the annular table comprises a through partition plate and a pluralityof stiffening plates, the through partition plate is perpendicularly connected with the column wall of the steel pipe column, and the stiffening plates are in polygon. The stiffening plates comprise top edges, inner side edges and outer side edges which are sequentially connected, the top edges are connected with the bottom face of the through partition plate, and the inner side edges are connected with the column wall of the steel pipe column. Compared with the prior art, the annular table is arranged to replace a bottom plate to transmit all vertical force to a concrete foundation, the punching face of the steel pipe column to the concrete foundation is transferred to the annular table from the column bottom, the height of a punching cone is greatly increased, under the condition that the burial depth of a concrete foundation bearing platform is limited, the requirement of the steel pipe column for the punching bearing capacity of the bearing platform is met, and the excavation workload is further reduced.

The invention relates to the technical field of cabins special for special vehicles, in particular to a multifunctional interface window for a cabin of a special vehicle, which comprises a mouth frame assembly, a large panel rain cover assembly, a mouth cover assembly and a spring cotter lock, wherein the mouth cover assembly and the mouth frame assembly are hinged and locked through the spring cotter lock, the mouth frame assembly comprises a mouth frame installation flange and a large panel fixing frame, the front face of the mouth frame installation flange is fixed to the cabin wall of a cabin body, and the back face of the mouth frame installation flange is fixed to the large panel fixing frame. The large panel rainproof cover assembly comprises a large panel fixed to the inner end face of the large panel fixing frame, small panel fixing seats protruding out of the outer end face of the large panel fixing frame and used for fixing connectors, and a rainproof cover, and the small panel fixing seats are connected to the large panel in a single-row and multi-column mode. And the inner side of the small panel fixing seat is connected with a rainproof cover capable of movably covering an inner cavity of the small panel fixing seat. The mouth cover is opened left and right, and sealing waterproof measures are taken for related parts of the interface window, so that the reliable waterproof performance can be ensured, and the wading performance index of the whole vehicle is met.

The invention relates to a roadbed supporting structure which comprises a base body, the roadbed supporting structure further comprises a bearing part and a supporting part, the bearing part is used for bearing the two sides of the base body, the supporting part is used for supporting the bottom of the base body, the top wall of the base body is arranged to be a bearing face, the bottom wall of the base body is arranged to be a stress transmission face, and the bearing face is arranged on the bearing face. The cross section of the stress transmission surface is arranged in an arc shape, a notch of the arc-shaped stress transmission surface is arranged in a direction deviating from the bearing surface, and the arc-shaped stress transmission surface is used for transmitting a load on the bearing surface to a bearing part; the supporting structure has the advantages that the construction cost of the jet grouting pile reinforcing area is reduced, and the supporting structure is balanced in stress and sufficient in stress.

A weir mold integrated double-wall steel cofferdam of a vertical hidden type enclosing purlin is formed by stacking and welding a plurality of layers of steel cofferdams, each layer of steel cofferdam is formed by splicing and welding four right-angle plates and a plurality of plane plates, an inner cavity of each layer of steel cofferdam is provided with an inner support, each right-angle plate and each plane plate comprise an inner wall plate and an outer wall plate, and the outer wall plate is provided with an outer support. The inner wall plate and the outer wall plate are each provided with a plurality of layers of horizontal annular plates connected through horizontal supports, a bin partition plate is welded to one side between the inner wall plate and the outer wall plate in a blocking mode, and the two ends of the inner side of the bin partition plate are each provided with a vertical enclosing purlin welded and fixed to the corresponding wall plate in a welded mode. The inner sides of the two plate walls on the other side between the inner wall plate and the outer wall plate are each fixedly provided with a vertical enclosing purlin, and an enclosing purlin support is fixedly connected between every two corresponding vertical enclosing purlins; two adjacent plates are welded in a way that one side of one plate with the partition plate is welded with one side of the other plate without the partition plate. The cofferdam is convenient to construct, small in steel consumption and good in economic benefit.