373 results about "Space frame" patented technology

A geared-motor assembly for use in a spatial frame is disclosed. Each of the geared-motor assemblies being selectively attachable and detachable from a manually adjustable strut in a spatial frame. In use, with the geared-motor assemblies detached, the struts can be manually adjusted (e.g., rotated) to, for example, facilitate initial construction of the spatial frame in the operating room, to allow patients to manually adjust the struts if desired, etc. Thereafter, with the geared-motor assemblies coupled to the struts, motorized and / or automated adjustment of the struts according to a treatment plan can be achieved. In use, each of the geared-motor assemblies is configured as a stand-alone device including all of the needed intelligence (e.g., microprocessor, printed-circuit board, etc.) and power supply to control and power the geared-motor assembly so that no external wires or centralized controller is required.

An aircraft passenger seat assembly including spaced frame members and a pivotally attached seat bottom and seat back positioned between the spaced frame members. The seat bottom and the seat back are coupled to the frame members by upper and lower links positioned on opposite lateral sides of the seat back. During normal use of the seat, the upper and lower links rotate in a synchronous manner to articulate the seat between an upright sitting position and a reclined sitting position. During a dynamic event affecting the passenger seat, the lower links are fixed and the upper links are constrained to rotate over center of the seat back pivot axis to rotate the seat back forward past the upright sitting position.

The invention particularly relates to a solar charging type dock and an unmanned ship, and relates to the technical field of unmanned ships, the solar charging type dock comprises an unmanned ship body and an upper bin body arranged on the upper side of the unmanned ship body in a communicating mode, a charging socket is installed on the rear side of the unmanned ship body, and inner slopes are obliquely arranged on the left side and the right side of the bottom of the unmanned ship body correspondingly; a plurality of clamping grooves are formed in the middle of the inner inclined face, the lifting movable plate can be arranged in the unmanned ship body in a suspended mode according to the magnetic principle that under the condition that a lower electromagnet in the unmanned ship body is powered on, the same poles of the lower electromagnet and an upper floating magnet repel each other, and a space frame on the lifting movable plate is used for installing electric appliance accessories of the unmanned ship. The rubber floating air bag is fixedly arranged on the periphery of the lifting movable plate, the buoyancy of the lifting movable plate can be improved, when the water level of water entering the unmanned ship body is high, the rubber floating air bag enables the lifting movable plate to float, and the water level of the water entering the unmanned ship body is high. Therefore, the use effect is improved.

The utility model discloses a tool capable of hanging a safety rope on a construction site, which comprises a base, the left side and the right side of the base are provided with insertion holes, a fixing rod penetrates through the insertion holes, the right side of the fixing rod is fixedly connected with a fixing block, the diameter of the fixing block is larger than that of the insertion holes, and the diameter of the fixing block is larger than that of the insertion holes. The left side of the fixing block is provided with threads, the left side of the fixing block is in threaded connection with a nut, and the base is in threaded connection with a fixing bolt. Through the design of the base, the fixing rods and the fixing bolts, the problems that for some large-space frame structures, due to the fact that the distance of structural columns is long, if the safety ropes are tied to the structural columns, the safety ropes are too long or too large in angle, the safety ropes cannot be safely and effectively tied, construction in a building is affected, and the construction cost is lowered are solved. And the improved structure has the beneficial effects that the improved structure is convenient to assemble and disassemble, and is more convenient to use.

According to the semi-submersible floating platform based on the eddy current damping effect, the multiple buoyancy units and the multiple sets of supporting mechanisms are sequentially and alternately arranged to form an annular space frame structure, and the whole platform has good stability and rigidity. In each buoyancy unit, a heaving plate is mounted at the bottom of the buoy, meanwhile, dampers are innovatively arranged on the edges of the heaving plates, reserved spaces capable of exciting fluid vortexes are formed among the dampers, the buoys and the heaving plates, upwelling water flow of the heaving plates is actively guided through a unique structure, and the effect of generating fluid vortexes is achieved. And a reserved space is utilized to forcibly convert the eddy current into a high-strength and ordered eddy current field. Through the arrangement, the semi-submersible floating platform not only obviously enhances the eddy current dissipation effect and the additional mass effect of the platform to multiply the heaving damping performance, but also forms a synergistic effect with the main heaving plate, so that the vertical movement stability, the storm resistance and the operation safety of the platform in severe sea conditions are effectively improved.

The invention discloses an environment-friendly large-mass gravity energy storage block for gravity energy storage, which comprises a concrete shell, a regenerated backfill material, an anti-snapping mechanism, a lateral support mechanism and a bottom reinforcing mechanism, the concrete shell is filled with the regenerated backfill material, the top of the concrete shell is covered with a top plate, and lug plates are fixedly arranged on the top plate; the lower ends of the lug plates penetrate through the top plate and are symmetrically welded and fixedly provided with vertical steel plates, the bottoms of the vertical steel plates are welded and fixedly provided with transverse steel plates in a matched mode, the bottoms of the transverse steel plates are welded and fixedly provided with through steel bars in an arrayed mode, a hoisting mechanism is arranged on the top plate, a lateral supporting mechanism is arranged in the concrete shell, and a bottom reinforcing mechanism is arranged on the lower portion in the concrete shell. Through a rigid force transmission system composed of the vertical steel plates, the transverse steel plates and the through steel bars, hoisting tension can be evenly transmitted to the bottom exposed beams, a continuous stress path is formed, the tensile strength and the anti-fatigue performance are remarkably improved, and a space frame structure is constructed through the supporting side columns and the reinforcing beams to resist lateral pressure.

Disclosed are a design method for an ROPS framework and a cab for engineering machines. The design method for an ROPS framework comprises: obtaining target values of a lateral load Fmax and lateral load energy Umax of an ROPS framework by calculation according to the standards of earth-moving machines; selecting a suitable cab framework structure type from a simply supported beamstructural mechanics model; and calculating the sum of profile sectional moduli of all pillars and top cross beams according to a maximum lateral load Fmax quick calculation formula and a maximum load energy Umax quick calculation formula, selecting suitable profiles based on the sum, and constructing a closed spatial framework structure according to the selected cab framework structure type.

A geared-motor assembly for use in a spatial frame is disclosed. Each of the geared-motor assemblies being selectively attachable and detachable from a manually adjustable strut in a spatial frame. In use, with the geared-motor assemblies detached, the struts can be manually adjusted (e.g., rotated) to, for example, facilitate initial construction of the spatial frame in the operating room, to allow patients to manually adjust the struts if desired, etc. Thereafter, with the geared-motor assemblies coupled to the struts, motorized and / or automated adjustment of the struts according to a treatment plan can be achieved. In use, each of the geared-motor assemblies is configured as a stand-alone device including all of the needed intelligence (e.g., microprocessor, printed-circuit board, etc.) and power supply to control and power the geared-motor assembly so that no external wires or centralized controller is required.

A modular space frame support system comprises an upper frame comprising a plurality of joists interconnected with a plurality of interconnection structures; a lower frame comprising a plurality of joists or chords interconnected with a plurality of interconnection structures; at least two interconnection structure brackets, wherein a first of the at least two interconnection structure brackets is connected to one of the plurality of interconnection structures of the upper frame and a second of the at least two interconnection structure brackets is connected to one of the plurality of interconnection structures of the lower frame, each interconnection structure bracket comprising a hollow tubular section, and at least one chord-engaging structure; and at least one chord secured at a first end to the first of the at least two interconnection structure brackets and at a second end to the second of the at least two interconnection structure brackets.

The utility model relates to the technical field of vehicles, in particular to an all-terrain vehicle packaging structure which comprises a frame, the frame forms a packaging space and comprises a first top beam, a first supporting frame, a second top beam and a second supporting frame, the first top beam is located at the top of the frame, and the first supporting frame is arranged on the side, facing the interior of the packaging space, of the first top beam; a first containing space is formed between the first supporting frame and the first top beam, the second top beam is located on the top of the frame and basically parallel to the first top beam, the second top beam is provided with a notch, the second supporting frame is arranged on the side, facing the interior of the packaging space, of the second top beam, and a second containing space is formed between the second supporting frame and the notch. The top cover does not occupy the space of the bottom or the side portion in the all-terrain vehicle packaging structure, so that the space utilization rate is increased, and the risk that the top cover scratches other parts can be reduced.

The invention provides a method for compensating influence of net rack deformation on inner profile precision, and belongs to the technical field of wind tunnel body inner profile construction. A minimum dominating set algorithm is adopted to optimize sensor layout to construct a three-dimensional deformation monitoring network, and a pre-arching compensation optimization function is used to calculate a preset elevation compensation value; in the net rack splicing process, splicing errors are corrected in real time through a structural deformation self-adaptive compensation model, displacement synchronization in the lifting process is ensured through a synchronous hydraulic lifting system and a lifting deformation control algorithm, and after a net rack is in place, the actual geometrical shape of an inner molded surface is obtained through a three-dimensional laser scanning technology. According to the deviation value, comprehensive compensation measures of supporting jig frame elevation adjustment, temporary supporting structure arrangement, follow-up construction load distribution control and net rack node position fine adjustment are adopted for deformation compensation, and the technical problem that due to net rack deformation, the geometric accuracy of the inner profile of the lower hanging cast-in-place slab is difficult to control is solved.

A detachable programmer arranged and configured to be selectively coupled to a motorized strut in an automated and / or motorized spatial frame is disclosed. In some examples, a plurality of detachable programmers are provided, one for each of the plurality of motorized struts in the spatial frame. Thus arranged, each of the plurality of detachable programmers can be configured to supply power and / or control the motorized strut to which it is connected to actuate the motorized strut according to a treatment plan negating, or at least minimizing, the need for any complex, sensitive circuitry housed within the motorized strut. In some examples, the detachable programmer is configured to magnetically couple to the motorized strut via a magnetic or bayonet-style connector.

The slope protection construction operation platform comprises an inner row of inclined rods and an outer row of inclined rods which are parallel to a slope, the inner row of inclined rods and the outer row of inclined rods are fixedly connected through a plurality of parallel longitudinal horizontal rods to form a latticed frame, and a plurality of transverse horizontal rods are fixedly connected between the inner latticed frame and the outer latticed frame to form a three-dimensional space frame. The two side faces and the two end faces of the three-dimensional space frame are connected through cross bridging arranged in a crossed mode. The inner side face of the three-dimensional space frame is provided with pulling joints connected with anchor rods driven into the side slope. The invention further discloses a construction method of the operation platform. The operation platform is stable in structure, high in adjustability and convenient to install and has a safety protection function. The platform can adapt to different slope ratios, heights and geological conditions, and integrates an operation platform, safety protection and equipment bearing.

The utility model discloses an adjustable shear plate angle locking mechanism, which belongs to the technical field of shear plates and comprises a machine body, supports are fixedly mounted on the inner walls of two sides of a vertical section of the machine body, lower blades are fixedly mounted at the top ends of the two supports, and a discharge port is formed in the lower end of the outer wall of the vertical section of the machine body. And the support and the lower blade are both located at the upper end of the top end of the discharging opening, and a rotating plate is rotationally installed at the top end of the machine body. After the shearing angles of the rotating plate, the mounting seat and the upper blade are reached, the second driving motor works, so that the two I-shaped frames are far away from each other and extrude the inner walls of the upper end and the lower end of the limiting frame, the inclination angle of the upper blade is locked, and the inclination stability of the upper blade during shearing is ensured; and a plurality of locking blocks are arranged on the outer walls of the opposite ends of the two I-shaped frames of each set and the inner walls of the upper end and the lower end of the limiting frame, the two sets of locking blocks are connected in a clamped mode, the locking effect on the rotating plate after rotation is further enhanced, and then the inclination stability of the upper blade is guaranteed.

A liquid metal encapsulation device includes a sealing frame and a heat dissipation member. The sealing frame includes a frame body, a first elastic sealing ring, and a second elastic sealing ring. A chip is disposed on the frame body, an annular groove is formed between the chip and the frame body, the first elastic sealing ring is embedded at a bottom of the annular groove, and the second elastic sealing ring is arranged around an outer periphery of the frame body. The heat dissipation member is mounted on an end face of the frame body and together with the chip, the first elastic sealing ring, and the frame body forms a sealed space for filling liquid metal, and the frame body has multiple holes and is compressible. The device can achieve efficient heat conduction and reliably seal the liquid metal under pressure.

This invention discloses a novel hub-type connection node structure for a steel space frame, comprising: a node disk disposed at the connection node of the steel space frame, wherein the outer edge of the node disk extends outward along the disk surface direction to form multiple first ear plates, and the node disk is coaxially connected to a hub shaft; multiple wing plates connected to the disk surface of the node disk and the circumferential surface of the hub shaft, the wing plates forming second ear plates; and end plates, wherein the end faces of the horizontal members and web members of the steel space frame are respectively connected to the end plates, and the side of the end plates away from the horizontal members and web members respectively forms a third ear plate, the third ear plate of the horizontal member being detachably connected to the first ear plate, and the third ear plate of the web member being detachably connected to the second ear plate. This invention solves the problems of complex welding processes, large node self-weight, and difficulty in aligning members in existing welded hollow sphere nodes of space frame structures.

A heliostat includes a reflector that has at least one segment arranged in a segment assembly and that defines a reflecting surface; a rigid spaceframe structure that includes a plurality of struts joined at nodes, the plurality of struts supporting the segment assembly so as to hold the reflecting surface in a concave toroidal shape; a dual-axis mount constructed and arranged to support and orient the rigid spaceframe structure and the segment assembly so as to reflect sunlight incident on the reflecting surface toward a distant receiving surface, the dual-axis mount including at least two drives; at least one mechanical linkage coupled to at least one drive of the dual-axis mount and configured to change a relative position of at least two nodes of the rigid spaceframe structure in synchronization with motion of the at least one drive, and thereby changing a shape of the rigid spaceframe structure and the reflector.

This invention discloses a construction method for a gable wall space frame. The middle unit space frame is hoisted onto pre-set concrete columns for positioning, and then guy ropes are installed for temporary support. The positioned middle unit space frame serves as the starting support, and smaller unit space frames are installed laterally using a piecemeal method. The hoisted three-sided gable wall space frame is then connected to the arched portion of the space frame via the piecemeal method, forming a U-shape, resulting in higher structural stability. This combination of hoisting and piecemeal assembly reduces the frequency and risk of high-altitude work for construction personnel. While hoisting is difficult for large-span doorways, combining it with the piecemeal method facilitates crossing doorways and ensures stability. Hoisting large middle units reduces the number of cranes required. Furthermore, the space frame assembled using this method ensures a high stability coefficient and spatial stiffness, exhibiting good seismic performance.

The utility model belongs to the technical field of buildings, and particularly relates to a pouring-deformation-resistant net rack laminated wall structure which comprises a prefabricated concrete layer, a heat preservation layer and a cast-in-place layer, a connecting assembly is arranged in the heat preservation layer, a fixing part of the connecting assembly is connected with the prefabricated concrete layer, and the fixing part of the connecting assembly is connected with the cast-in-place layer. A fixing hole in the vertical direction is formed in the hooking portion of the connecting assembly, the first reinforcing steel bar net rack is connected with the hooking portion of the connecting assembly through the connecting reinforcing steel bar, the connecting reinforcing steel bar is of an L-shaped structure, the horizontal end of the connecting reinforcing steel bar is connected with the first reinforcing steel bar net rack in a binding mode, and the vertical end of the connecting reinforcing steel bar penetrates through the fixing hole of the connecting assembly to form hooking fit. The connecting assemblies and the connecting steel bars are additionally arranged, so that transverse bars do not need to be additionally arranged on the laminated slab, the laminated slab is more convenient to store and transport, meanwhile, the first steel bar net rack can be rapidly positioned and form a whole with the prefabricated concrete layer through matching of the connecting assemblies and the connecting steel bars, and the building efficiency is improved.

The utility model discloses a blister tray forming die which comprises an adjusting base and a mounting frame, the mounting frame is arranged at the top of the adjusting base, a die body is connected in the mounting frame, and forming cavities are dug in the top of the die body at equal intervals, so that the die body and a suction plate can be quickly disassembled and assembled; a damaged forming mold can be flexibly disassembled and replaced, the practicability is greatly improved, the service life is greatly prolonged, an adjusting plate connected with the top of a movable block through a hinged shaft can be downwards adjusted to be in a horizontal state, a mold body can be lower than the top side of a limiting frame, and the limiting frame can lift a blister tray on the mold body upwards; and then the adjusting plate is controlled again to be adjusted to be in an upward inclined state, the mold body can stretch out of the mounting frame, separation and ejection operation can be automatically completed on the plastic uptake tray, and the convenience of forming machining of the plastic uptake tray is greatly improved.

This invention relates to the field of seismic resistance technology for spatial frame structures, and discloses a method for determining the energy dissipation mechanism of a steel-concrete composite column-composite beam spatial frame. The energy dissipation mechanism includes steel beams, steel-concrete composite columns, and reinforced concrete slabs. The steel beams are welded and fixed to the steel-concrete composite columns via reinforcing rings, and the steel beams are fixedly connected to the reinforced concrete slabs via studs. Tie bars are provided at the ends of the steel-concrete composite columns. The ratio of the flexural bearing capacity of the steel beams to that of the steel-concrete composite columns is within the range of 0.42 to 1.05. By introducing the ductile damage parameter of the steel, combined with the inter-story drift angle, cumulative energy dissipation, beam-column energy dissipation ratio curve, and finite element calculation results of stiffness damage of the spatial frame, the energy dissipation characteristics and energy dissipation mechanism type of the structure are determined. This invention aims to solve the technical problems in the prior art where the steel-concrete composite columns do not form sufficient compression-bending hinges for energy dissipation during seismic resistance, easily leading to collapse, and the technical problems of using beam energy dissipation mechanisms in seismic design while rarely considering column energy dissipation.

The utility model relates to the technical field of photovoltaic engineering cast-in-place pile bolt positioning, in particular to a folding adjustable photovoltaic engineering cast-in-place pile embedded bolt positioning tool which comprises a U-shaped bolt, a spacing frame and a fixing assembly. Two sets of spacing frames are arranged on the outer side of the U-shaped bolt, a connecting rod is arranged on one side of each spacing frame, a screw is arranged above the spacing frames, a rocking handle is arranged on one side of the screw, a fixing frame is arranged on the outer side of the screw, a limiting shaft is arranged on one side of the fixing frame, scales are arranged on the surface of the limiting shaft, and a sliding block is arranged on the outer side of the screw. The sliding block is located at the upper end of the spacing frame. The limiting shaft penetrates through the sliding block. According to the utility model, the universality is high aiming at different pile types, and the parallelism and spacing of the embedded parts can be controlled, so that in the working process, an operator does not need to continuously measure and adjust the angle and spacing of the embedded bolts by using a measuring tape, the construction quality of the embedded bolts is ensured, the construction efficiency is greatly improved, and the consumption of human resources is reduced.

The anti-seismic environment-friendly packaging box comprises a packaging box body, an outer protection anti-seismic frame is nested outside the packaging box body, and a plurality of folding anti-seismic pads are installed on the inner wall of the outer protection anti-seismic frame; a plurality of limiting frames are arranged in the outer protection anti-seismic frame, a plurality of sets of side fixing beams are installed between the limiting frames, nesting bases are installed below the side fixing beams, folding plates are installed at one ends of the side fixing beams, detachable folding plates are installed at the other ends of the side fixing beams, locking pieces are installed on the side fixing beams, and rubber mats are fixedly embedded in the limiting frames. One end of the side fixing beam is provided with an upper beam clamping groove. The packaging box is embedded into the limiting frame, the four faces are matched with the folding anti-vibration pads, vibration in the transportation process is counteracted by the folding plates and the detachable folding plates on the two sides in advance, meanwhile, the packaging box is protected in cooperation with the folding anti-vibration pads arranged on the four faces, and then vehicle-mounted vibration of the packaging box in the transportation process is eliminated; the shock resistance of the packaging box is indirectly improved, and the stability of the packaging box in the transportation process is ensured.

This invention provides a climbing tool for a space frame, comprising: a climbing pole, which includes a hook portion and a pull rod portion; a self-locking semi-ring, the middle of which is rotatably connected to the hook portion via a pivot point. When the climbing tool is hung on a space frame member and subjected to force, the self-locking semi-ring and the hook portion together form an open ring to accommodate the space frame member. The inner surface of the open ring is a continuous arc-shaped surface, and the angle at which the open ring encloses the space frame member is greater than 270°; and a handle connected to the pull rod portion. This invention effectively prevents slippage of the hook portion during climbing, even if the hook portion wobbles, due to the self-locking semi-ring, ensuring the safety of the worker.

The utility model discloses a low-space frame type lifting appliance device applied to a three-cylinder suction jacket. The low-space frame type lifting appliance device comprises two upper beams, two flange connecting beams, two end beams, seven pin shafts and six bolts, rope hanging pin shafts are arranged at two ends of the upper beam and are used for connecting a hanging belt of a floating crane hook. The upper beams are fixedly connected through flange connecting beams and bolts, and one flange connecting beam is provided with a rope hanging point used for being connected with a lifting lug at the top of a jacket. The two end beams are respectively arranged on two symmetrical sides of the upper beam, and the lower part of each end beam is provided with a sling pin shaft on which a sling can be wound and is connected with a lifting lug at the top of the jacket through the sling. The four hanging rope pin shafts in the device can balance a lifting hook of a floating crane ship to enable the lifting hook to be evenly stressed, and a triangular plane formed by the lower pin shafts corresponds to three lifting lugs in an upper platform of a jacket one by one, so that the bearing capacity in the jacket hoisting period can be met, and the distance between a main hook of the floating crane and the upper platform of the jacket is reduced as much as possible.

A fuselage for an aircraft or spacecraft includes a first fuselage section having a support structure with a load bearing outer skin, and a second fuselage section having a non-load bearing outer skin and a space frame structure for supporting the non-load bearing outer skin, wherein the non-load bearing outer skin includes at least one skin area, which is configured to be openable for venting a compartment, which is at least sectionwise enclosed by the at least one skin area. An aircraft or spacecraft is disclosed including the a fuselage.

This utility model discloses a ball node angle positioning device for a space frame, including a placement frame, a fixing frame, and a connector. The ball node of the space frame is placed on the placement frame, and the fixing frame is snapped into place with the placement frame. The ball node is limited and snapped into the fixing frame by the connector, thus realizing the placement of the ball node. The connector includes a handle and a connecting rod, which are detachably connected. This utility model has a compact structure, is easy to use, and has high assembly efficiency, making it convenient for users. The ball node of the space frame is pre-rotated to the designed angle, and then leveled during hoisting and flipping of the space frame, eliminating the need for further adjustment of the hoisting angle, greatly improving assembly efficiency and reducing workload. The angle adjustment of the ball node is easy, requiring minimal additional equipment, further improving assembly efficiency.

The utility model discloses a quick tapping tool with a gradual change section chip removal combined structure, and relates to the technical field of tapping tools. The rapid tapping tool with the gradual change amount section chip removal combined structure comprises a limiting frame, a tapping mechanism is arranged above the limiting frame, a limiting assembly comprises a movable frame movably installed below the limiting frame, a connecting rod is movably installed below the movable frame, a limiting rod is movably installed at the bottom end of the connecting rod, and a tapping mechanism is arranged above the limiting frame. A transmission ring is movably installed below the limiting rod, a pressure bearing separates rotation of the screw tap from static monitoring of a pressure sensor, the screw tap can rotate freely, axial pressure can be effectively transmitted to the sensor, the situation that rotation interferes with pressure monitoring is avoided, meanwhile, the linear bearing limits the screw tap to move only in the axial direction, pressure abnormity caused by deviation is avoided, and the service life of the screw tap is prolonged. The grip is matched with the ratchet and the ratchet wheel, so that rotation action and pressure application are separated, the influence of manual force application fluctuation is structurally eradicated, and pressure stability and controllability are achieved through cooperation of multiple components.

The utility model discloses a portable railway work uses cross line device relates to railway work technical field, including fixed bottom plate, the top of fixed bottom plate is provided with cross line mechanism, the cross line mechanism includes spacing frame, the bottom surface of spacing frame is connected with fixed bottom plate slidingly, the inner wall rotationally connected with carousel of spacing frame, the inner wall slidingly connected with driven slide bar of carousel, one end of driven slide bar is fixedly connected with driven sleeve pipe, and the cooperation of parts in cross line mechanism is set up, realizes the cross line operation of steel rail automatically, guarantees the safety of steel rail lifting in the cross line process simultaneously, compared with traditional device, the applicant makes the operator not repeatedly bend the waist to complete the whole process operation, reduces the lumbar professional injury risk caused by the bending labor, and replaces the many people cooperative operation mode through the mechanical automation in heavy load, thereby making the device more have practical value.