Vibration reduction power transmission tower system with composite vibration isolation base and cantilever tuning beam
A technology of transmission tower and cantilever beam, applied in the direction of tower, wind power generation, building type, etc., can solve problems such as overturning and multi-dimensional horizontal deformation difference, and achieve the effect of improving safety, low cost and strong implementation.
Pending Publication Date: 2022-07-12
BEIJING UNIV OF TECH
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Problems solved by technology
Although the above vibration isolation devices are very effective in controlling the dynamic response of common engineering structures, they are not suitable for high-frequency vibrations under strong earthquakes and transmission tower structures with high tower heights. There is a phenomenon of poor control of multi-dimensional horizontal deformation and overturning risks of
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Embodiment 1
[0037] The specific embodiments are further explained below in conjunction with the accompanying drawings, and it should be understood that the following specific embodiments are only used to illustrate the present invention and not to limit the scope of the present invention. It should be noted that the drawings depict only certain salient features and are not necessarily drawn to scale and therefore should not be relied upon to scale.
[0038] like figure 1 As shown, a vibration-absorbing transmission tower system with a composite vibration isolation base and a cantilever tuning beam includes a transmission tower body (1), a tower foot support (2), a concrete base (3), a cantilever tuning beam (4) and a composite Vibration isolation base (5), ground surface (6), L-shaped cantilever beam (7), spherical concentrated mass (8), transmission tower beam (9), bolts (10), upper bolts (15), upper metal plates ( 16), upper metal rubber layer (17), intermediate mass (18), lower metal ...
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The invention discloses a vibration reduction power transmission tower system with a composite vibration isolation base and a cantilever tuning beam. The vibration reduction power transmission tower system is composed of a power transmission tower body, a tower foot support, a concrete base, the cantilever tuning beam and the composite vibration isolation base. Under the action of wind load or small and medium shock, the cantilever tuning beam vibrates together with the power transmission tower main body, inertia force generated by relative movement of the tuning device is counteracted on the main body structure, and at the moment, the cantilever tuning beam can play a role in tuning and damping, so that local deformation of the tower body is controlled. Under the action of a strong wind load or a large earthquake, the power transmission tower structure generates large horizontal displacement to drive the composite vibration isolation base to generate horizontal or vertical movement, and at the moment, the metal rubber/rubber composite material plays a role in energy dissipation and vibration reduction, so that the power transmission tower has the characteristic of integral translation, and the dynamic response amplitude of the structure is effectively reduced. The invention belongs to the technical field of power transmission line vibration reduction control and disaster prevention and reduction.
Description
technical field [0001] The invention specifically relates to a vibration-damping power transmission tower system with a composite vibration isolation base and a cantilever tuning beam, which can ensure that the power transmission tower has sufficient energy consumption and vibration reduction capability and safety under dynamic action such as earthquakes or hurricanes. The invention belongs to the technical field of vibration reduction control of transmission lines and disaster prevention and reduction. Background technique [0002] With the rapid development of the national economy, transmission towers are widely used as an important carrier of power transmission, and are the lifeline projects of the country, and their operation status is directly related to the safety and stability of the entire power grid. Transmission tower is a typical towering structure, which has the characteristics of high tower body, complex structure, many rods and large flexibility. It is also eas...
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IPC IPC(8): E04H9/02E04B1/98E02D27/42E02D31/08E04H12/00E04H12/22
CPCE04H9/021E04H9/0237E04B1/98E02D27/42E02D31/08E04H12/00E04H12/22Y02E10/72
Inventor 何浩祥张耀源田书宇张腾
Owner BEIJING UNIV OF TECH
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