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Intelligent support with height adjusting function

A technology of height adjustment and function, applied in the direction of bridge parts, bridge materials, bridges, etc., can solve the inability to verify the rationality of the bridge design theory reliability design method, the inability to detect the bearing force condition, the vertical bearing capacity of the bearing, the inability to Visually detect problems such as bearing stress

Pending Publication Date: 2020-10-27
绍兴市城市建设投资集团有限公司 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the traditional spherical bearing has no force measurement function. During use, it is impossible to detect the force condition of the bearing, read the vertical bearing capacity of the bearing, and cannot accurately understand the internal force distribution of each section of the structure. The reliability of the theory and the rationality of the design method are verified, which brings great inconvenience to the maintenance of the support and structural monitoring
When the spherical bearing is abnormal during operation, the force condition of the bearing cannot be detected intuitively, so that the operation status of the upper structure of the bridge cannot be judged, which is not conducive to timely monitoring and evaluation of the health status of the bridge structure
In addition, due to the uneven settlement of the pier foundation on the soft soil foundation, the slight deformation of various prefabricated beams and continuous structures after tension, and the unavoidable construction errors of the support pad stone elevation of the beam structure, etc., the bridge bearing Uneven pressure bearing or even the phenomenon of "three legs" will change the stress state of the upper and lower structures of the bridge and bring hidden dangers to the safety of the structure
In addition, the traditional spherical bearing does not have the function of stepless height adjustment, and it is impossible to adjust the height of the construction height error and the height difference of the bridge during use, so as to realize the adjustment of the force of each bearing
[0004] Therefore, it is an economical and effective way to avoid catastrophic bridge accidents by keeping abreast of the force status of the bridge support in time, and when the support is unloaded and empty, it can be adjusted in time to avoid the three-point support when the vehicle passes the bridge. The solution, and the existing force measuring support, the internal sensor is not easy to replace

Method used

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  • Intelligent support with height adjusting function
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  • Intelligent support with height adjusting function

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Such as figure 1 , As shown in 3, an intelligent bearing with height adjustment function, including embedded plate 1, height-adjusting pad 5, upper seat plate 2, sliding seat, base 14 and lower seat plate 3. The embedded plate 1 is directly embedded On the bottom surface of the beam, the embedded plate 1 is fixedly connected with the upper seat plate 2 by bolts, the lower seat plate 3 is fixed on the bridge pier by bolts, and the sliding seat and the base 14 are arranged between the upper and lower seat plates to fix the entire support Between the beam and the pier, the base 14 is located on the top surface of the lower seat plate 3 and the upper surface of the base 14 is recessed inward to form a cavity. The lower part of the sliding seat is sleeved in the cavity, and the top of the sliding seat The surface is slidingly connected with the bottom surface of the upper seat plate 2, and the normal cushioning, energy dissipation and shock absorption effect of the bearing is ...

Embodiment 2

[0037] Such as figure 1 with 5 As shown, by installing the force-measuring elastic body 4 at the bottom of the cavity, the lower surface of the sliding seat is attached to the upper surface of the force-measuring elastic body 4, and a sensor 10 is mounted on the side of the base 14 The measuring end of the sensor 10 is in close contact with the side surface of the force-measuring elastic body 4, which is a solid elastic material with similar fluid properties and volume incompressibility under a certain pressure state, When subjected to the compressive stress of the upper structure, the force-measuring elastic body 4 can transmit the compressive stress unchanged in all directions; the force-measuring elastic body 4 is designed as a combination of the middle elastic body 41 and the annular elastic body 42, because The force-measuring elastic body 4 is easily damaged under long-term pressure and needs to be completely replaced when replaced. Therefore, the force-measuring elastic b...

Embodiment 3

[0039] Such as figure 2 As shown, a replacement hole 15 for installing the sensor 10 is opened in the circumferential direction of the base 14. There are four replacement holes 15 and are distributed in the circumferential direction of the base 14 in a cross shape. Distributed replacement holes 15, the replacement holes 15 are convenient for the operator's hand to pass, and the sensor 10 is directly manually fixed to the side of the force measuring elastic body 4 by bonding, so that the operator can accurately know whether the sensor 10 is installed in place and ensure the support The normal operation of the force measurement system can directly feel the contact of the sensor 10 with the side wall of the load bearing body 4, and the installation position of the sensor 10 can be directly observed through the replacement hole 15. When removing or replacing, only need to pass the replacement hole 15 It is directly removed and replaced manually. There is no threaded connection betw...

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Abstract

The invention discloses an intelligent support with a height adjusting function. The support comprises an embedded plate, a height adjusting base plate, an upper seat plate, a sliding seat, a base anda lower seat plate. The base is located on a top surface of the lower base plate, and the upper surface of the base is sunken inwards to form a cavity. The lower portion of the sliding seat is arranged the cavity, the top surface of the sliding seat is in sliding connection with the bottom surface of the upper seat plate, the height adjusting base plate is located between the bottom surface of the embedded plate and the top surface of the upper seat plate, and positioning plates distributed in a triangular shape are arranged on the bottom surface of the embedded plate, located on the outer side of the upper seat plate and tightly attached to the side surfaces of the upper seat plate and the height adjusting base plate. The support is simple and reliable in height adjustment, and has a force measurement function.

Description

Technical field [0001] The invention relates to the technical field of bridge engineering, in particular to an intelligent bearing with a height adjustment function. Background technique [0002] The bridge support is an important structural component connecting the upper structure and the lower structure of the bridge. It can reliably transmit the reaction force and deformation (displacement and corner) of the upper structure of the bridge to the lower structure of the bridge. The spherical bearing has large bearing capacity, large displacement, flexible turning angle and consistent rotation performance in all directions, and a wide temperature range; therefore, spherical bearings are widely used in various highway, municipal and railway bridges. [0003] However, traditional spherical bearings have no force measurement function. During use, it is impossible to detect the force status of the support, read the vertical bearing capacity of the support, and cannot accurately understa...

Claims

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Application Information

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IPC IPC(8): E01D19/04E01D101/30E01D101/40
CPCE01D19/048E01D2101/30E01D2101/40
Inventor 伍大成沈永全闫兴非王剑明黄国平朱旦甘露王静张娟万成福唐波邹贻军董明荣闵玉辉周旋庄鑫陈赛锋邓朝友高勇胡盟
Owner 绍兴市城市建设投资集团有限公司
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