Reticulated shell structure of ellipsoid with large opening in vertical face and large span

Abstract

The utility model discloses a latticed shell structure of a vertical face large-opening large-span ellipsoid, and relates to the technical field of latticed shell structures. Comprising a center node, a mounting mechanism for a vertical-face large-opening large-span ellipsoid reticulated shell frame is arranged on the outer side of the center node, the mounting mechanism comprises a clamping assembly, the clamping assembly comprises a positioning groove formed in the outer wall of the center node, and a first reticulated shell frame is clamped in the positioning groove; after the latticed shell frame on the outer wall of the center joint is installed, the screw rod is rotated to enable the supporting block to ascend through the telescopic sleeve rod, the supporting groove in the top end of the supporting rod on the outer wall of the supporting block is driven to conduct jacking, and the supporting rod is driven to rotate. And the supporting grooves are supported and clamped at the joint of the first reticulated shell frame and the second reticulated shell frame, so that the load is uniformly transmitted to the supporting blocks, additional supporting points are provided for the reticulated shell frames, and the rigidity and the stability of the whole structure are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of net shell structure, specifically is a kind of net shell structure of large opening large-span ellipsoid of facade. BACKGROUND

[0002] Large-span net shell structure is widely used in sports stadium, exhibition center, airport terminal building and other large public buildings due to its beautiful appearance, high space utilization rate, superior structural performance and other characteristics, compared with flat net rack, the stress performance of net shell is good, rigidity is big, self weight is small, steel quantity is saved, it is a kind of better structure type suitable for medium-span and large-span building roof.

[0003] Ellipsoid net shell structure is difficult to guarantee the firmness of connection, difficult to disassemble and reinstall, brings inconvenience to later maintenance, overhaul or structural adjustment, and when large-span ellipsoid net shell structure at node bears external load, there is no effective supporting structure, affects overall stability due to its unique modeling, good mechanical properties and excellent space covering capacity, however, the existing net shell structure is often connected at node connection by welding connection mode, which is difficult to guarantee the firmness of connection, difficult to disassemble and reinstall, brings inconvenience to later maintenance, overhaul or structural adjustment, and when large-span ellipsoid net shell structure at node bears external load, there is no effective supporting structure, affects overall stability, therefore, the utility model provides a kind of net shell structure of large opening large-span ellipsoid of facade. SUMMARY

[0004] In view of the deficiencies of prior art, the utility model provides a kind of net shell structure of large opening large-span ellipsoid of facade, solves the problem that the existing net shell structure is often connected at node connection by welding connection mode, which is difficult to guarantee the firmness of connection, difficult to disassemble and reinstall, brings inconvenience to later maintenance, overhaul or structural adjustment, and when large-span ellipsoid net shell structure at node bears external load, there is no effective supporting structure, affects overall stability.

[0005] To achieve the above object, the utility model is realized by the following technical scheme: a kind of net shell structure of large opening large-span ellipsoid of facade, including center node, the installation mechanism for the mounting of large opening large-span ellipsoid net shell frame is provided on the outer side of the center node, and the installation mechanism includes:

[0006] The clamping assembly includes a positioning slot opened in the outer wall of the center node, the first net shell frame is clamped in the inside of the positioning slot, the third net shell frame connected by the locking assembly is arranged below the first net shell frame, and the upper end of the center node is provided with a bolt assembly for fixing the first net shell frame;

[0007] The supporting assembly includes a supporting block connected by a threaded assembly at the lower end of the center node, the outer wall of the supporting block is fixed with a supporting rod, and the top end of the supporting rod is fixed with a supporting groove.

[0008] Preferably, the positioning slot is provided as six groups, and the positioning slot is in clamping connection with the top end of the first net shell frame.

[0009] Preferably, the first net shell frame is triangular, and the side wall of the first net shell frame is attached with a second net shell frame, and the top end of the second net shell frame is inserted into the positioning groove.

[0010] Preferably, the bolt assembly comprises a locking rod rotatably connected to the upper end face of the central node through a rotating shaft, and the distal end of the locking rod is internally threadedly connected with a second bolt.

[0011] Preferably, the locking assembly comprises a positioning plate fixed to the upper end face of the third net shell frame, and the upper end face of the first net shell frame is fixed with a limiting rod, one end of the positioning plate is located on the inner wall of the limiting rod, and the inner portion of the positioning plate is provided with a pair of first bolts, and the third net shell frame is attached to the lower end wall of the first net shell frame.

[0012] Preferably, the threaded assembly comprises a telescopic sleeve rod fixed to the lower end face of the central node, and the support block is fixedly connected to the other end of the telescopic sleeve rod, and a screw rod is threadedly connected to the inner portion of the support block, and the top end of the screw rod is rotatably connected to the central node.

[0013] Beneficial effects

[0014] The utility model provides a kind of net shell structure of large opening large span ellipsoid of facade, compared with prior art has the following beneficial effects:

[0015] First, the utility model is installed to first net shell frame and third net shell frame, a pair of positioning plates on the third net shell frame are engaged on a pair of limiting rods on the first net shell frame, then locked by first bolt, realize the splicing installation of first net shell frame and third net shell frame, it is convenient to disassemble and reinstallation by bolt connection mode, facilitate later maintenance, overhaul or structural adjustment, improve the maintainability of structure, then the top end of first net shell frame and third net shell frame is engaged on the positioning groove of central node, reduce installation error, guarantee the geometric accuracy and overall stability of structure, then rotate locking rod and attach on the upper end face of net shell frame by second bolt and fixed, install first net shell frame and third net shell frame with central node, ensure the connection between net shell frame and central node firm, improve the rigidity and stability of overall structure.

[0016] Second, the utility model is installed when the net shell frame of the outer wall of central node, rotate screw rod to realize that support block is elevated by telescopic sleeve rod, drive support groove on the top end of support block outer wall support rod to be jacked up, support groove is attached to first net shell frame and second net shell frame and is supported and engaged, so that load is evenly transmitted to support block, ensure that the position of net shell frame is accurate during installation, provide additional support point for net shell frame, improve the rigidity and stability of overall structure. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole structure schematic view of the utility model;

[0018] Figure 2 It is the first net shell frame, second net shell frame and third net shell frame connecting structure schematic view of the utility model;

[0019] Figure 3 It is the utility model's Figure 2 The connecting structure schematic view of enlarged A place in middle;

[0020] Figure 4 It is the connecting structure schematic view of top end of the utility model;

[0021] Figure 5 It is the utility model's Figure 4 The connecting structure schematic view of enlarged B place in middle;

[0022] Figure 6 It is the connecting structure schematic view of support rod of the utility model.

[0023] In the drawing: 1, center node; 2, first net shell frame; 3, second net shell frame; 4, third net shell frame; 401, positioning plate; 402, limiting rod; 403, second bolt; 5, positioning groove; 501, locking rod; 502, second bolt; 6, telescopic sleeve rod; 601, support block; 602, support rod; 603, support groove; 604, screw rod. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0025] Please refer to Figures 1-6 The utility model provides a kind of technical scheme: a facade large opening large span ellipsoid net shell structure, including center node 1, center node 1 outer side is provided with the installation mechanism for facade large opening large span ellipsoid net shell frame, installation mechanism includes:

[0026] Clamping assembly, including the positioning groove 5 that the outer wall of center node 1 is opened, the first net shell frame 2 is clamped in the inside of positioning groove 5, the third net shell frame 4 connected by locking assembly is arranged in the lower of first net shell frame 2, the upper end of center node 1 is provided with bolt assembly for the fixation of first net shell frame 2;

[0027] The support assembly comprises a support block 601 connected to the lower end of the central node 1 through a threaded assembly, a support rod 602 fixed to the outer wall of the support block 601, and a support groove 603 fixed to the top end of the support rod 602.

[0028] In the preferred embodiment, the positioning groove 5 is provided in six groups and is in clamping connection with the top end of the first net shell frame 2. The first net shell frame 2 has a triangular structure, which has natural stability in geometry and can effectively resist deformation caused by external force, thereby improving the overall stability of the net shell frame. The side wall of the first net shell frame 2 is attached to the second net shell frame 3, and the top end of the second net shell frame 3 is in plug-in connection with the positioning groove 5. The locking assembly comprises a positioning plate 401 fixed to the upper end face of the third net shell frame 4, and a limiting rod 402 fixed to the upper end face of the first net shell frame 2. One end of the positioning plate 401 is located in the inner wall of the limiting rod 402, and a pair of first bolts 403 are arranged in the positioning plate 401. The third net shell frame 4 is attached to the lower end wall of the first net shell frame 2. When the first net shell frame 2 and the third net shell frame 4 are installed, the pair of positioning plates 401 on the third net shell frame 4 are clamped on the pair of limiting rods 402 on the first net shell frame 2, and then locked by the first bolts 403, thereby achieving the splicing and installation of the first net shell frame 2 and the third net shell frame 4. The bolt connection mode is convenient for disassembly and reinstallation, facilitates later maintenance, repair or structural adjustment, and improves the maintainability of the structure. The side wall of the first net shell frame 2 and the second net shell frame 3 are connected through the locking assembly.

[0029] In the preferred embodiment, the bolt assembly comprises a locking rod 501 rotatably connected to the upper end face of the central node 1 through a rotating shaft. The second bolt 502 is threadedly connected to the inner end of the locking rod 501. The top end of the first net shell frame 2 and the third net shell frame 4 are clamped onto the positioning groove 5 of the central node 1 to reduce installation errors and ensure the geometric accuracy and overall stability of the structure. Then, the locking rod 501 is attached to the upper end face of the net shell frame and fixed by the second bolt 502, thereby installing the first net shell frame 2 and the third net shell frame 4 with the central node 1, ensuring the firm connection between the net shell frame and the central node 1, and improving the rigidity and stability of the overall structure.

[0030] In the preferred implementation, the threaded assembly includes a telescopic sleeve rod 6 fixed uniformly at the lower end of the central node 1, a support block 601 fixedly connected at the other end of the telescopic sleeve rod 6, a screw rod 604 threadedly connected at the inner center of the support block 601, and the top end of the screw rod 604 rotatably connected with the central node 1. When the net shell frame of the outer wall of the central node 1 is installed, the screw rod 604 is rotated to make the support block 601 rise through the telescopic sleeve rod 6, drive the support groove 603 at the top end of the outer wall support rod 602 of the support block 601 to be jacked up, and make the support groove 603 support and engage at the abutting positions of the first net shell frame 2 and the second net shell frame 3, so that the load is uniformly transmitted to the support block 601, the position of the net shell frame is accurately ensured during installation, additional support points are provided for the net shell frame, and the rigidity and stability of the overall structure are improved.

[0031] Meanwhile, the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.

[0032] During work, when the first net shell frame 2 and the third net shell frame 4 are installed, a pair of positioning plates 401 on the third net shell frame 4 are engaged on a pair of limiting rods 402 on the first net shell frame 2, and then locked by a first bolt 403 to realize splicing and installation of the first net shell frame 2 and the third net shell frame 4. Then, the top ends of the first net shell frame 2 and the third net shell frame 4 are engaged on the positioning groove 5 of the central node 1 to reduce installation error, ensure geometric accuracy and overall stability of the structure, and then the locking rod 501 is rotated to be engaged on the upper end face of the net shell frame and fixed by the second bolt 502 to install the first net shell frame 2 and the third net shell frame 4 with the central node 1, so as to ensure firm connection between the net shell frame and the central node 1 and improve the rigidity and stability of the overall structure.

[0033] When the net shell frame of the outer wall of the central node 1 is installed, the screw rod 604 is rotated to make the support block 601 rise through the telescopic sleeve rod 6, drive the support groove 603 at the top end of the outer wall support rod 602 of the support block 601 to be jacked up, and make the support groove 603 support and engage at the abutting positions of the first net shell frame 2 and the second net shell frame 3, so that the load is uniformly transmitted to the support block 601, the position of the net shell frame is accurately ensured during installation, additional support points are provided for the net shell frame, and the rigidity and stability of the overall structure are improved.

[0034] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0035] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A shell structure of a large-span ellipsoid with large opening in facade, comprising central nodes (1), characterized in that: The center node (1) is provided with a mounting mechanism outside for facade large opening large span ellipsoid net shell frame, the mounting mechanism comprises: The clamping assembly comprises a positioning groove (5) formed in the outer wall of the center node (1), the first net shell frame (2) is clamped in the positioning groove (5), the third net shell frame (4) is arranged below the first net shell frame (2) and connected by the locking assembly, and the upper end of the center node (1) is provided with a bolt assembly for fixing the first net shell frame (2); The support assembly comprises a support block (601) connected to the lower end of the center node (1) through a threaded assembly, a support rod (602) is fixed to the outer wall of the support block (601), and a support groove (603) is fixed to the top end of the support rod (602).

2. The shell structure according to claim 1, wherein: The positioning groove (5) is provided as six groups, and the positioning groove (5) is in clamping connection with the top end of the first net shell frame (2).

3. The shell structure according to claim 1, wherein: The first net shell frame (2) is in a triangular structure, the side wall of the first net shell frame (2) is attached with the second net shell frame (3), and the top end of the second net shell frame (3) is in plug-in connection with the positioning groove (5).

4. The shell structure according to claim 1, wherein: The bolt assembly comprises a locking rod (501) rotatably connected to the upper end face of the center node (1) through a rotating shaft, and a second bolt (502) is threadedly connected to the inner end of the locking rod (501).

5. The shell structure according to claim 1, wherein: The locking assembly comprises a positioning plate (401) fixed to the upper end face of the third net shell frame (4), a limiting rod (402) fixed to the upper end face of the first net shell frame (2), one end of the positioning plate (401) located in the inner wall of the limiting rod (402), a pair of first bolts (403) arranged in the positioning plate (401), and the third net shell frame (4) connected to the lower end wall of the first net shell frame (2).

6. The shell structure of claim 1, wherein: The threaded assembly comprises an expansion sleeve rod (6) fixed to the lower end face of the center node (1), the support block (601) is fixedly connected to the other end of the expansion sleeve rod (6), a screw rod (604) is threadedly connected to the inner center of the support block (601), and the top end of the screw rod (604) is in rotational connection with the center node (1).

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