35results about How to "Overcome the disadvantages of being messy" patented technology

The invention discloses a foldable cylindrical reticulated shell structure, which is formed by connecting multiple folded arch units, and each folded arch unit is composed of n quadrangular pyramid basic units connected along the span direction of the structure, and the quadrangular pyramid basic units consist of Composed of four forward folded bar scissor units, the four forward folded bar scissor units are sequentially connected to form a ring through the end nodes, the middle nodes of the four folded bar scissor units are located in the same plane, and two adjacent The folded arch units are connected by reverse folded scissor units, and the end nodes of the reverse folded scissor units are connected to the end nodes of the forward folded scissor units along the structural length direction of each folded arch unit . Compared with the existing structure, the present invention not only can realize the opening and closing of the structure according to the needs, the opening and closing process is convenient, and the size of the folding bar scissors unit is uniform and easy to manufacture, and the structure has good stability.

The invention discloses a foldable cylindrical membrane structure with rigid struts, which includes a reticulated shell structure and a membrane structure arranged on the reticulated shell structure. The reticulated shell structure is composed of multiple folded arch units connected by each folded arch unit. The basic unit of n quadrangular pyramids is connected along the span direction of the structure. The basic unit of quadrangular pyramids is composed of four forward folding rod scissor units. The opening and closing membrane unit includes four supporting rods and membrane materials attached to the supporting rods. The upper end of each support rod is hinged, and the lower end of each support rod is hinged on the four circular connection nodes of the quadrangular pyramid unit. on a ring-connected node. Compared with the existing structure, the present invention can not only realize the opening and closing of the structure according to the needs, but also the opening and closing process is convenient, and the structure has good stability, and the structure has a lighter self-weight through the opening and closing membrane structure with ring support rods, and the opening and closing process is more convenient. Flexible design and convenient construction.

The invention discloses a ring-direction opening and closing roof structure, which is composed of a multi-spherical four-connected plate mechanism. The spherical four-connected plate mechanism is composed of a first flat plate, a second flat plate, a third flat plate and a fourth flat plate. The first flat plate and the fourth flat plate are conical plates, the second flat plate and the third flat plate are frustum-shaped plates, and the second flat plate is arranged on the conical bottom surface of the first flat plate and passes through the middle column Hinged connection, the third flat plate is arranged on the conical bottom surface of the fourth flat plate and is hinged through another middle column, the second flat plate and the third flat plate are connected by rolling hinges on their common sides, and the fourth flat plate and the first flat plate are hinged. Connected by a common side rolling hinge; the first plate of a spherical four-plate mechanism is connected to the fourth plate rolling hinge of an adjacent spherical four-plate mechanism, and its second plate is connected to the third plate of an adjacent spherical four-plate mechanism Also a rolling hinge connection.

The invention discloses an unfoldable cylindrical lattice shell structure with six rigid plate folding units. The unfoldable cylindrical structure is composed of multiple truss folding arch units which are connected in the length direction; each truss folding arch unit is provided with a rigid roof plate unit system; a rigid roof plate unit is arranged on two adjacent rectangular pyramid basic units in the folding arch unit; each rigid roof plate unit consists of six triangular plates and is rectangular after being unfolded, every two of the six triangular plates are collinear and intersect at one vertex, and according to anticlockwise direction, the six triangular plates are respectively a first triangular plate, a second triangular plate, a third triangular plate, a fourth triangular plate, a fifth triangular plate and a sixth triangular plate. Compared with the existing structure, the unfoldable cylindrical lattice shell structure can be unfolded and folded according to needs, and is convenient in unfolding and folding process and good in structural stability; by virtue of the rigid roof structure, the unfoldable cylindrical lattice shell structure is relatively light in self weight, flexible to unfold and fold, the structure rigidity is increased, and the unfoldable cylindrical lattice shell structure is simple in structure construction and convenient in design and construction, and is especially suitable for medium and small span buildings.

The invention discloses a folding arch bridge structure which is composed of a folded truss, a rigid plate bridge deck, a inhaul cable and a beam, wherein the folded truss is composed of two folded truss units, each folded truss unit is formed by the way that a plurality of polar line scissor-like units are connected with one another in the structural span direction, the upper portion of the folded truss is provided with the lower-chord panel points which are formed by the way that the polar line scissor-like units are connected with one another in a hinged mode; the lower portion of the folded truss is provided with the lower-chord panel points which are formed by the way that the polar line scissor-like units are connected with one another in a hinged mode; the rigid plate bridge deck is composed of rigid plate bridge deck board units; each rigid plate bridge deck board unit is composed of six folded rigid plate units and is a rectangle after being unfolded, the four joints outside of each rigid plate bridge deck board unit are connected with the four lower-chord panel points in the rectangular mounting area in a hinged mode. The folded truss is a single-degree-of-freedom system, and reduces the number of actuating devices; the folding arch bridge structure is convenient to move and relocate, can be used repeatedly, and is reasonable in construction, simple in design and construction, and especially suitable for the bridges with medium and small spans.

The invention discloses a deck type folding truss bridge structure which is composed of a supporting structure and a panel structure located on the supporting structure. The supporting structure is a folding truss. The folding truss comprises two folding truss units, a cross beam connected between the two folding truss units and inhaul cables for folding and unfolding the folding truss units respectively. An intermediate span bridge panel is composed of six triangular plates and is in a rectangular shape after being unfolded. The four corners of the intermediate span panel are hinged to four upper chord joints of the rectangular installation region. The deck type folding truss bridge structure has the advantages that the folding dome mechanism is a single-degree-of-freedom system, and the number of driving devices is decreased; in addition, due to the fact that the number of the components of the deck type folding truss bridge structure is much smaller than that of an ordinary folding structure, the concise and vivid effect is brought to people, and the defect that rod pieces are numerous and messy on the structural appearance is overcome; the deck type folding truss bridge structure is convenient to move and relocate, capable of being recycled, reasonable in structure, easy to design and construct and particularly suitable for bridges of medium and small spans.

The invention discloses an annularly unfolded roof structure. The annularly unfolded roof structure is composed of a column, a shear unit ring and a roof panel. The shear unit ring is composed of a circle of shear units. Two strip-shaped plates are pin-joint through middle pin joints in the middles of the strip-shaped plates to form each shear unit. Every two adjacent shear units are pin-joint together through pins at the ends of the strip-shaped plates. The roof panel is composed of a circle of folding units which are evenly distributed on the same circle, and two fan-shaped plates are pin-joint on the side faces to form each folding unit. The inner end of each folding unit is arranged on the column, the upper end of each folding unit is provided with one shear unit for driving the folding unit, and the shear unit ring is located in the roof panel. According to the roof structure, through unfolding and folding of the shear unit ring, the roof system can be annularly unfolded and folded, and the annularly unfolded roof structure is reasonable in structure, easy to design and construct and particularly suitable for small-space and medium-span buildings.

The invention discloses a deployable cable pole dome structure, comprising an inner cable pole body and an external single-freedom-degree annular connecting bar mechanism, wherein the single-free degree annular connecting bar mechanism comprises at least four shearing type units, a passive cable and an active cable. The invention uses the single-freedom-degree annular connecting bar mechanism to drive the dome structure to fold and unfold, thus number of driving devices is reduced; the active cable and the passive cable are arranged in the external annular connecting bar mechanism, and the prestressing force exists at a full extension state, so that the rigidity of the structure is increased and the material does is reduced; only the active cable needs to be fixed at a full extension state, and an additional locking device is not needed; a coverage range of the dome structure is provided by the inner cable pole body, thus, the external load of the structure is mainly born by the inner cable pole body; the inner cable pole body is composed of a high-strength inhaul cable and a pressure bar; the self weight is light; and the rigidity is mainly provided by the prestressing force, and the stress performance is excellent.

The invention discloses an expandable column surface structure with a foldable rigid roof plate. The expandable column surface structure is formed by connecting a plurality of truss folding arch units along the length direction, wherein the foldable rigid roof plate is arranged on each truss folding arch unit; each truss folding arch unit is formed by connecting n pyramid basic units along the structure span direction, each pyramid basic unit consists of four positive folding rod shear type units, the two adjacent truss folding arch units are connected by a reverse folding shear type unit, and a rigid roof consists of n strip-shaped foldable rigid plate units; four nodes of the upper layer of each pyramid basic unit are hinged to four top points of the outermost circle of the corresponding foldable rigid plate unit. Compared with the prior art, the expandable column surface structure has the advantages that the structure is opened and closed according to requirements, and the opening and closing process is convenient; the sizes of the folding rod shear type units are uniform, the manufacturing is convenient, and the structure stability is good; by arranging the rigid roof structure, the self weight of the structure is lighter, the opening and closing are flexible, the rigidity of the structure is improved, the structure is simple, the design and construction are convenient, and the expandable column surface structure is especially suitable for buildings with medium and small spans.