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A Rigid Wall Air Bearing Eccentric Compression Rod

A technology of eccentric compression and rods, which is applied in the direction of long-strip structural components, building components, girders, etc. for load-bearing, can solve the problems of restricting the application of high-strength materials and not being able to transmit pressure well, and achieve a good market Application prospect, improvement of overall and local stability, good stability effect

Active Publication Date: 2018-11-16
NORTHWESTERN POLYTECHNICAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the limitation of the slenderness ratio, the compression members cannot transmit the pressure of a long distance well. In addition, this also limits the application of high-strength materials in the space grid structure

Method used

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  • A Rigid Wall Air Bearing Eccentric Compression Rod
  • A Rigid Wall Air Bearing Eccentric Compression Rod
  • A Rigid Wall Air Bearing Eccentric Compression Rod

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Embodiment Construction

[0028] Now in conjunction with embodiment, accompanying drawing, the present invention will be further described:

[0029] The present invention adopts the following technical implementation schemes: see Figure 1-3 , consisting of circular rigid tube 1 (see Figure 4 ), screw cap 2 (see Figure 7 ), circular support plate 3 (see Figure 8 ), dowel bar 4, fan-shaped rigid tube 5 (see Figure 5 ), fan-shaped support plate 6 (see Image 6 ), airbag 7 (see Figure 9 ), inflation valve 8, barometer 9, barometer communicating hole 10.

[0030] The circular rigid tube is a hollow tube with high material strength, and the outer walls at both ends are threaded, and 3 airbag inflation holes and 3 barometer communication holes are reserved on the rigid wall, and 3 airbag inflation holes The communication holes of the airbag and the three barometers are evenly distributed on two circumferences respectively. The air bag inflation holes and the communication holes of the barometer co...

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Abstract

The invention relates to a rigid wall airbag pressure-bearing eccentric compression rod piece. Three fan-shaped rigid pipes are installed in a circular rigid pipe, a fan-shaped airbag is installed in each fan-shaped rigid pipe, and fan-shaped force-holding plates are installed at the two ends of each fan-shaped rigid pipe; joint outlets used for installing a feeding valve and a barometer are formed in each fan-shaped airbag, the feeding valve and the barometer are connected with the fan-shaped airbags through airbag feeding holes formed in the circular rigid pipe and the barometer joint outlets formed in the fan-shaped rigid pipes correspondingly, and the two ends of the circular rigid pipe are connected with a threaded cap in a thread mode; and circular force-holding plates are installed in the threaded cap, and force transferring rods are installed between the circular force-holding plates and the fan-shaped force-holding plates. According to the rigid wall airbag pressure-bearing eccentric compression rod piece, through air bag pressure bearing, the eccentric pressure of the eccentric compression rod piece is transformed into rigid-wall tensile stress, and the tensile degree of rigid-wall materials is sufficiently used, so that a rigid wall of the eccentric compression rod piece does not bear the pressure stress, and eccentric compression stability of the rod piece is improved.

Description

technical field [0001] The invention belongs to the field of components in engineering structures, and relates to a rigid wall air bearing eccentric compression rod. Background technique [0002] Spatial grid structures such as grid frames and reticulated shells are widely used in stadiums, railway stations, terminal buildings and some special structures. The spatial grid structure is composed of rigid members of different lengths according to a certain topological relationship. The rods in the actual structure are usually mainly subjected to axial force and bear a certain bending moment at the same time, that is, the rod in the spatial grid structure is an eccentric compression or eccentric tension rod. For eccentric tension rods, the tensile bearing capacity of the rods can be improved by using high-strength materials, while the bearing capacity of eccentric compression rods is controlled by stability, and the strength of materials is very important for improving the stre...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04C3/02
CPCE04C3/02E04C2003/026
Inventor 李玉刚张玉强连业达
Owner NORTHWESTERN POLYTECHNICAL UNIV
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