Oil pressure type automatic height adjusting support, bridge and self-adaptive adjusting method of bridge
An automatic adjustment and height technology, applied in bridges, bridge parts, bridge construction, etc., can solve problems such as cracking of main beams, damage to alignment and integrity, affecting vehicle safety and comfort, and achieve the effect of ensuring stability.
Pending Publication Date: 2021-10-22
CHANGAN UNIV
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Problems solved by technology
Soft soil foundation displacement and ground fissure activity will cause foundation settlement, which will damage the linearity and integrity of the superstructure of continuous beams and continuous rigid frame bridges, and even lead to cracks in the main beam, which will affect the safety and comfort of vehicles in the lightest cases. In severe cases, the bridge cannot be operated
Method used
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Embodiment
[0061] The hydraulic automatic height-adjusting support of this embodiment includes a top groove 4, an ultra-high molecular weight polyethylene plate 7, an elastic sealing ring 9, a steel support 8, an outer layer elastic sealing plug 11, an inner layer elastic sealing plug 12, and a bottom groove 14. Rubber layer 18 and steel plate 17. See details Figure 1 to Figure 9(b) .
[0062] like figure 1 and Figure 4 As shown, the top tank 4 is a steel hollow cylinder, the main structure of the top tank 4 is a steel cylinder tank body 33 with a cavity inside, and the edge of the top surface extends outward to form a flange plate 34, and the flange plate 34 4 bolt reserved holes 36 are arranged at equal intervals along the circumferential direction; a hole is opened in the center of the bottom surface and expanded upwards to a spherical crown-shaped support surface to form the inner cavity 35 of the top groove 4, see Figure 4 ;
[0063] Steel support 8 is a steel crown cylinder...
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The invention discloses an oil pressure type automatic height adjusting support, a bridge and a self-adaptive adjusting method of the bridge. A top groove is formed above a bottom groove; a steel support comprises a crown body, a middle shaft and a base, and the two ends of the middle shaft are connected with the crown body and the base respectively; the crown body is connected with the top groove, and an elastic layer is arranged between the crown body and the top groove; the bottom groove is provided with an inner cavity, the base is arranged in the inner cavity of the bottom groove and can move up and down along the inner cavity of the bottom groove, a through hole communicated with the inner cavity is formed in the upper end of the bottom groove, and the middle shaft penetrates through the through hole; a sealing structure is arranged between the base and / or the middle shaft and the bottom groove, and the middle shaft, the bottom groove and the sealing structure define an upper oil pressure cavity with variable volume; an elastic supporting layer is arranged at the bottom of the bottom groove; and the upper oil pressure cavity is filled with hydraulic oil, a one-way oil drainage mechanism is arranged on the base, and the one-way oil drainage mechanism can enable the hydraulic oil in the upper oil pressure cavity to flow to the position below the base. The height of the support can be adjusted in a self-adaptive mode, and therefore the upper structure of a bridge is protected against influence when foundation settlement occurs.
Description
technical field [0001] The invention relates to the field of bridge engineering, in particular to an oil pressure automatic height adjustment support, a bridge and an adaptive adjustment method thereof. Background technique [0002] As an important part of the bridge structure, the bridge bearing is an important part connecting the upper structure and the lower structure of the bridge. Its function is to safely and effectively transfer various loads (static, dynamic and impact loads) borne by the upper structure to the piers. At the same time, it is ensured that the deformation (horizontal displacement and rotation angle) of the superstructure under load, temperature change, concrete shrinkage and other factors will not adversely affect the substructure such as piers and abutments. Its performance directly affects the reliability of the bridge's mechanical performance and the safety of its operation. [0003] Bridge bearings can be divided into two categories according to t...
Claims
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Patent Timeline
Login to View More IPC IPC(8): E01D19/04E01D19/00E01D1/00
CPCE01D19/041E01D19/048E01D19/00E01D1/00
Inventor 王业路贾艳波周勇军赵煜曹资源杨帆
Owner CHANGAN UNIV