46results 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 relates to an external pressure resistance composite material cylinder body and metal end socket co-curing connecting structure and a manufacturing method of the external pressure resistance composite material cylinder body and metal end socket co-curing connecting structure. The connecting structure comprises two metal flanges. Each metal flange is provided with a base and a first connecting segment. The two bases are fixedly connected with two metal end sockets correspondingly. The free end of the first connecting segment of each metal flange is provided with a 27-degree taper angle. The two ends of a composite material cylinder body are correspondingly provided with second connecting segments matched with the taper angles of the two metal flanges. The inner diameter of each metal flange is equivalent to the inner diameter of the composite material cylinder body. The external pressure resistance composite material cylinder body and metal end socket co-curing connecting structure overcomes the existing technical defect that the assembly and connecting effects of external pressure resistance composite materials and metal end sockets is poor, and the metal flanges with the 27-degree taper angles and the composite material cylinder body are wound, co-cured and formed to be mechanically connected with the metal end sockets after demoulding. Accordingly, the connecting structure can guarantee the connecting strength and airtightness of the composite material cylinder body and metal end socket cylinder bodies.

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 embodiment of the invention provides a construction control method for horizontal extrusion large deformation of a suture zone soft rock single track railway tunnel. The construction control method comprises the following steps: performing ground stress test and rock compressive strength test on a suture zone tunnel construction stage, and obtaining a primary stress stack value sigma max and rock compressive strength sigma s in a direction perpendicular to the tunnel; calculating a construction stage surrounding rock strength-stress ratio sigma s / sigma max; performing large deformation grade judgment on the construction stage according to the construction stage surrounding rock strength-stress ratio sigma s / sigma max; and while the large deformation grade reaches slight-medium large deformation standards, performing the following constructions: tunnel excavation outline surface change, short step excavation construction by tunnel excavation outline surface change, broken-rock zonerange step-by-step test at different stages, system anchor rod length and reinforcing system anchor rod length determination according to the tested results of a broken rock zone, and construction ona system anchor rod and a reinforcing system anchor, and tunnel inverted arch construction.

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 provides a quick emergency diagonal bracing for foundation pit salvage, and a construction method, and belongs to the technical field of building construction. The quick emergency diagonal bracing is used for effectively relieving the situation that during large-area, deep-foundation-pit and support-free earth excavation, the stress and deformation speed of a foundation pit enclosurewall are too large, and thus the potential safety hazard to a site is generated. According to the quick emergency diagonal bracing, a first pre-embedded piece is mounted on the side wall, close to the inner side of a foundation pit, of a retaining type enclosure structure at a foundation pit platform in the vertical direction of the retaining type enclosure structure, a second pre-embedded pieceis mounted on a thickened cushion layer at the bottom of the foundation pit, then the two ends of a profile steel support manufactured by a plant are connected with the first pre-embedded piece and the second pre-embedded piece in a full weld mode correspondingly to form the diagonal bracing, and thus the diagonal bracing serve as an emergency rescue measure of the foundation pit; the profile steel support can effectively shorten the emergency salvage time so as to shorten the construction period; the large construction space is saved for construction of a structure body; and the stress form of the profile steel support is good, the stress of the foundation pit enclosure wall and the stress of soil body bulges are counteracted mutually, and the foundation pit enclosure form can be reinforced effectively.

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 a tilting vertical take-off and landing fixed wing unmanned aerial vehicle which comprises a vehicle body, two forearms, two rear arms, two front wing mechanisms and two rearwing mechanisms, wherein the two forearms are fixed to the two sides of the front part of the vehicle body oppositely, and the two rear arms are fixed to the two sides of the rear part of the vehiclebody oppositely; the two front wing mechanisms are oppositely and rotatably arranged on the front sides of the two forearms and are positioned at the ends of the forearms correspondingly; and the tworear wing mechanisms are oppositely and rotatably arranged on the rear sides of the two rear arms and positioned in the middle of the rear arms. The tilting vertical take-off and landing fixed wing unmanned aerial vehicle has the beneficial effects of small size and large load capacity; meanwhile, the unmanned aerial vehicle is special in structure, large in lift-drag ratio and high in flying height; and in addition, the angles of front wings and rear wings of the unmanned aerial vehicle can be adjusted so as to provide sufficient forward power for the unmanned aerial vehicle, and the flight speed is high.

The invention relates to the technical field of the design of the support structure of the aircraft flap motion mechanism, in particular to a sinking hinge type flap rocker arm support structure comprising a flap rocker arm, a flap inner end rib, a flap rib II, two support tubes, four flange supports, two sets of through bolts A, two sets of through bolts B and 16 sets of connection bolts. On thebasis of the structure of combination of the support tubes and a flange support base, adjustment of mounting positions of the support tubes in any direction is realized, so that the design compensation requirement of the coaxiality adjustment of the intersection of the rocker arm of the flap is met; since the support tubes and the flange support base are designed to be split parts, the maintainability and interchangeability of the flap rocker arm and the connection structure are improved effectively, the requirements for the machining accuracy of the parts are also low, so that the manufacturing cost is lowered effectively; and the main bearing members such as connecting bolts of the support tubes and the flange support base mainly carry the shearing and bending loads, so that the stress form is good and the connection reliability is also high.

The invention provides a heat preservation and decoration integrated light steel keel composite wallboard and a manufacturing method thereof. The heat preservation and decoration integrated light steel keel composite wallboard is composed of an outer decorative panel, an organic heat preservation plate, profiled steel plates, a light steel keel and an inner decoration panel, wherein the light steel keel and the profiled steel plates are combined as a stress system and provide sufficient rigidity, and remaining decorative plates and the heat preservation plate are connected with the keel and the profiled steel plate through corresponding fasteners to form the heat preservation and decoration integrated composite wallboard. According to the heat preservation and decoration integrated light steel keel composite wallboard, an organic material is used as a thermal insulation material, so that the heat preservation effect is better; a non-cementing heat insulation layer installation mode isadopted, so that the production efficiency is improved; meanwhile, the profiled steel plates are added to enlarge an attaching part of a surface layer to be the whole profiled steel plate plane only on the linear keel, so that the stress form is optimized; and in addition, edge collection parts are adopted, so that waterproof measures can be better matched at the joint of the wallboard.

The invention discloses a super tonnage split lifting hook. The lifting hook comprises a movable pulley set, a lifting hook rod, a lifting hook shaft, a lifting hook body, a self-aligning roller bearing and a thrust self-aligning roller bearing. The lifting hook further comprises a connecting assembly connecting the lifting hook rod with the lifting hook body. The connecting assembly comprises anembracing type wedging sleeve and a lifting hook hoop arranged below the thrust self-aligning roller bearing. The lifting hook hoop is fixedly connected with the lifting hook rod through the embracingtype wedging sleeve. According to the provided lifting hook, the single-hook lifting weight is super large, and the single hook hoisting weight is 5,000 tons or above. Due to the fact that the lifting hook is split, the embracing type wedging sleeve and the hoop are connected to install the lifting hook body and the lifting hook rod together, and the novel split lifting hook is initiated in the world; the stress of the split lifting hook is reasonable, the dead load is small, the structural strength is high, the dead load of lifting hook sets is greatly reduced, and accordingly the operationcapability and operation efficiency of a floating crane are improved.

The invention discloses a novel ceramic plate curtain wall pendant system. An angle steel connecting piece is connected with a square steel upright post through a transversely arranged angle steel base, and a pendant base is connected with the angle steel connecting piece through a fixing bolt; hooks are respectively arranged at the upper end and the lower end of the pendant base, adaptive clamping grooves are formed in the inner side of the decorative pendant, and the decorative pendant and the pendant base are hung and installed through the cooperation of the corresponding clamping grooves on the upper side and the lower side with the hooks; and an adjusting seat is arranged on the inner side of the upper clamping groove of the decorative pendant, and the height of the decorative pendanton the pendant base is adjusted through limiting screws and adjusting bolts distributed on the adjusting seat. According to the novel ceramic plate curtain wall pendant system, the in-out effect of the ceramic plate finishing surface can be achieved, meanwhile, transverse decorative lines and lamp strips can be additionally arranged, the structure is simple, the construction is convenient, the cost is saved, the installation is facilitated, and the duration for construction is shortened.

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 provides a spiral type rope locking device which is mainly composed of a hoop, a spiral pillar, an optional optical ring and an optional pressing block. A rope is used for spirally winding the rope on a threaded groove of the spiral pillar and is hooped through the hoop. The pressing block arranged at one end of the rope locking device is further adopted for knotting the rope. The spiral type rope locking device has the beneficial effects that operation is simple, safety and reliability are achieved, and the rope is not damaged.

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 characterizedin 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 userange 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 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 discloses a high-performance multi-point anchoring PE plate composite reinforcing and repairing system for a drainage ditch and a construction method of the system. The system comprises anchoring keys, a multi-anchor-point PE composite pipe and a composite glue pouring material layer, wherein the outer side of the multi-anchor-point PE composite pipe is a ribbed anchoring surface, a plurality of mutually corresponding anchoring points are uniformly arranged on the ribbed anchoring surface, two mutually corresponding anchoring keys with different sizes are fixedly mounted on each anchoring point, the anchoring key fixedly mounted on each anchoring point forms a herringbone shape, and the anchoring keys and the multi-anchor-point PE composite pipe are located in an inspection well. According to the system, the drainage ditch is repaired by the multi-anchor-point PE composite pipe with a horseshoe-shaped section, the traditional section shape is changed, the stress form of a square ditch is improved, the performance is improved, the service life of the square ditch is prolonged on the premise that the section loss is reduced as much as possible, mechanical construction is adopted in the mounting and repairing process, and the labor intensity is reduced.

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.