Assembly type hollow hub joint

A prefabricated, hollow technology, applied in the direction of architecture, building structure, etc., can solve the problems of unsuitability for large-scale promotion and application, affecting the mechanical performance of nodes, and cumbersome construction, etc., to achieve instant detection of screwing quality, excellent performance, and reasonable layout Effect

CN105625564AInactive Publication Date: 2016-06-01TIANJIN UNIV
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
Publication Date
2016-06-01
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses an assembly type hollow hub joint. The assembly type hollow hub joint comprises a hollow hub, wherein threaded holes are formed in the hollow hub and are used for fixing bolts, the outer side of the hollow hub is connected with connecting plates with welding slots through the bolts, an unthreaded nut with a fastening nut is arranged on a part, located between the corresponding connecting plate and the hollow hub, of each bolt, sliding slots for clamping the fastening nuts are formed in the bolts, and the connecting plates are connected with rod pieces through the welding slots. According to the assembly type hollow hub joint, assembly type construction of a single-layer latticed shell can be implemented, field welding is eliminated, welding heat effect is reduced, construction precision is improved, time limit for a project is shortened, a false screw situation of the bolts can be effectively prevented, and rigidity and bearing force of the joint are ensured to facilitate popularization and application of a large-span space structure.
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Description

technical field

[0001] The invention relates to a large-span space structure with complex stress, and more specifically relates to a single-layer reticulated shell structure with assembled hollow hub nodes. Background technique

[0002] The current "Technical Regulations for Spatial Grid Structures" (JGJ7-2010) stipulates that single-layer reticulated shells should adopt rigid joints, such as welded ball joints, and rods are mostly made of round steel pipes, rectangular steel pipes and H-shaped steel, etc., which are currently used in single-layer grid structures. The joints of reticulated shells include welded hollow ball joints, diaphragm welded joints, thick-walled steel pipe joints, intersecting joints and cast steel joints, etc., but these joint forms have shortcomings. Welded joints such as welded hollow ball joints, bulkhead welded joints and thick-walled steel pipe joints require on-site assembly and welding, which is cumbersome to construct and is not conducive to t...

Examples

Embodiment Construction

[0019] Below in conjunction with accompanying drawing, the present invention will be further described:

[0020] Such as Figure 1 to Figure 7 As shown, an assembled hollow hub node includes a hollow hub 1, and the hollow hub 1 is provided with threaded holes for fixing the bolt 2, and the bolt 2 located outside the hollow hub 1 is connected with a connecting plate 3, and the connecting plate 3 is connected with the hollow hub 1. The bolts 2 between the hubs 1 are provided with threadless nuts 4 with fastening screws 5, and the bolts 2 are provided with sliding grooves 6 for clamping the fastening screws 5, and the sliding grooves 6 are composed of deep The groove and the shallow groove are formed, and the connecting plate 3 is provided with a welding groove 8, and the connecting plate 3 is welded and fixed with the rod 7 through the welding groove 8.

[0021] In this embodiment, the hollow hub 1 is made of thick-walled steel pipe or round steel by cutting, milling, drilling,...