A spherical steel bearing

A ball-shaped steel and bearing technology, applied in instruments, buildings, measuring devices, etc., can solve the problems that the sensor cannot be placed on the bearing, affect the force of the bearing, and have adverse effects, and achieve simple structure, avoid collapse, and reduce fatigue. performance effect

Active Publication Date: 2016-08-31
SHENZHEN MUNICIPAL DESIGN & RES INST
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] But for now, there is no equipment that can monitor the health of the bearing, or a bearing with a pressure monitoring function. Some people have tried to use sensors to detect the force of the bearing, but ordinary sensors cannot be placed In the support, even if it can be placed in the support, it will affect the force of the support and cause adverse effects

Method used

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  • A spherical steel bearing
  • A spherical steel bearing
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Embodiment Construction

[0021] Preferred embodiments of the present invention will be described below with reference to the accompanying drawings.

[0022] see in conjunction Figure 1-Figure 2 Shown is Embodiment 1 of the spherical steel bearing of the present invention.

[0023] The spherical steel bearing in this embodiment includes: a top bearing plate 21, a bottom bearing plate 22, a bottom bearing plate 22 and a ball slidably fastened between the top bearing plate 21 and the bottom bearing plate 22 The steel plate 11 and the bottom support plate 22 are equipped with a pressure monitoring structure towards the side of the spherical steel plate 11. The pressure monitoring structure includes a stainless steel diaphragm 31 (such as figure 2 shown), and the alloy resistance 32 installed on the stainless steel diaphragm 31, the alloy resistance 32 is connected with the stainless steel diaphragm 31 through molecular bonds to form an alloy thin film of a Wheatstone bridge for sensing the vertical pr...

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Abstract

The invention discloses a spherical steel support. The spherical steel support comprises a top support plate, a bottom support plate and a spherical steel plate, and the spherical steel plate is slidably fastened between the top support plate and the bottom support plate. A stainless steel diaphragm is embedded into one side, facing the spherical steel plate, of the bottom support plate. An alloy resistor is mounted on the stainless steel diaphragm and connected with the same into a whole through molecule bonds so as to form a Wheatstone bridge alloy film strain unit used for sensing vertical pressure of the support. An external load acts on the spherical steel support to cause deformation of the alloy film strain unit, and the alloy film strain unit generates voltage signals used for monitoring the vertical pressure of the spherical steel support. The spherical steel support has the advantages that stress conditions of the spherical steel support can be monitored in real time, so that health conditions of the spherical steel support can be judged; the spherical steel support is good in fatigue resistance and high in stability; in addition, small size and less influences on mechanical properties of the support are achieved.

Description

technical field [0001] The invention relates to the field of bearings, in particular to a spherical steel bearing capable of real-time monitoring of health status and self-diagnosis function. Background technique [0002] The currently widely used bearings mainly include basin rubber bearings, plate rubber bearings and spherical steel bearings. However, due to the low vertical bearing capacity and poor durability of the bearings made of various rubber materials, they cannot be used alone in large structures with heavy superstructures and large horizontal displacement requirements, such as: large-span spatial structures and For long-span bridges, spherical steel bearings are required at this time. [0003] Judging from the damage of bridges in the past, most of the damage occurred at the bridge support. The long-term stability of the bridge is of great significance to the overall safety of the bridge. [0004] But for now, there is no equipment that can monitor the health ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E01D19/04
CPCE01D19/046E01D2101/30E01D2101/40G01L1/005
Inventor 姜瑞娟于芳陈宜言
Owner SHENZHEN MUNICIPAL DESIGN & RES INST
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