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CN-224216205-U - Bridge engineering bearing capacity monitoring devices

CN224216205UCN 224216205 UCN224216205 UCN 224216205UCN-224216205-U

Abstract

The utility model relates to the technical field of bridge engineering structure monitoring, in particular to a bridge engineering bearing capacity monitoring device which comprises a connecting plate, a pressure detection mechanism, a displacement detection mechanism, a data collection processing mechanism and a fixed connection mechanism, wherein the pressure detection mechanism is in threaded connection with the middle part of the bottom of the connecting plate, the displacement detection mechanism is in threaded connection with two ends of the bottom of the connecting plate, the data collection processing mechanism is in threaded connection with the bottom of the connecting plate, and the pressure detection mechanism comprises a fixed plate in threaded connection with the bottom of the connecting plate. According to the utility model, through the arrangement of the vertical laser displacement sensor, the transverse laser displacement sensor and the pressure sensor, the vertical laser displacement sensor and the transverse laser displacement sensor monitor the displacement change of the bridge in the vertical direction and the transverse direction in real time and accurately, and the pressure sensor measures the pressure at the bridge pivot accurately, so that the actual bearing capacity condition of the bridge under the action of complex load can be comprehensively and carefully reflected.

Inventors

  • WANG YANA
  • YU BO
  • XIAO HEWEN
  • WU DABAO
  • LIANG SHIJIN

Assignees

  • 联华检测中心(广东)有限公司

Dates

Publication Date
20260508
Application Date
20250716

Claims (7)

  1. 1. The utility model provides a bridge engineering bearing capacity monitoring devices, includes connecting plate (1), pressure detection mechanism (2), displacement detection mechanism (3), data collection processing mechanism (4) and fixed connection mechanism (5), wherein pressure detection mechanism (2) threaded connection is in the middle part of connecting plate (1) bottom, displacement detection mechanism (3) threaded connection is in the both ends of connecting plate (1) bottom, data collection processing mechanism (4) threaded connection is in the bottom of connecting plate (1), pressure detection mechanism (2) include fixed plate (21) threaded connection in connecting plate (1) bottom, the both sides threaded connection of fixed plate (21) has bolt (22), the bottom fixedly connected with pressure sensor (23) of fixed plate (21), the top fixedly connected with alarm generator (24) of pressure sensor (23), the surface fixedly connected with controller (25) of pressure sensor (23).
  2. 2. The bridge engineering bearing capacity monitoring device according to claim 1, wherein the pressure sensor (23) is arranged at the fulcrum position of the bridge girder, and the pressure sensors (23) are symmetrically arranged at two ends of the connecting plate (1).
  3. 3. The bridge engineering bearing capacity monitoring device according to claim 1, wherein the displacement detection mechanism (3) comprises a vertical laser displacement sensor (31) which is connected with the middle part of the bottom of the connecting plate (1) in a threaded mode, the displacement detection mechanism (3) comprises transverse laser displacement sensors (32) which are connected with the two sides of the connecting plate (1) in a threaded mode, and a data connecting wire (33) is fixedly connected between the vertical laser displacement sensor (31) and the transverse laser displacement sensors (32).
  4. 4. The bridge engineering bearing capacity monitoring device according to claim 3, wherein the transverse laser displacement sensor (32) and the vertical laser displacement sensor (31) are arranged at the bottom and the side surface of the bridge girder, the transverse laser displacement sensor (32) is symmetrically arranged at two sides of the connecting plate (1), and the tops of the vertical laser displacement sensor (31) and the transverse laser displacement sensor (32) are fixedly connected with the alarm generator (24).
  5. 5. The bridge engineering bearing capacity monitoring device according to claim 1, wherein the data collection and processing mechanism (4) comprises two data processing collectors (41) fixedly connected to the bottom of the connecting plate (1), dust separation nets (42) are fixedly connected to the tops of the two data processing collectors (41), the data processing collectors (41) are symmetrically arranged on two sides of the displacement detection mechanism (3), and the pressure detection mechanism (2), the displacement detection mechanism (3) and the data collection and processing mechanism (4) are mutually connected through data connecting wires (33).
  6. 6. The bridge engineering bearing capacity monitoring device according to claim 1, wherein the fixed connection mechanism (5) comprises a damper (51) arranged at the top of the connection plate (1), two sides of the damper (51) are connected with connecting pieces (52) in a threaded mode, a damping telescopic spring (53) is sleeved on the outer surface of the damper (51), and anti-slip plates (54) are fixedly connected to the tops of the damper (51) and the damping telescopic spring (53).
  7. 7. The bridge engineering bearing capacity monitoring device according to claim 6, wherein the fixed connection mechanism (5) comprises bridge deck connectors (55) which are connected to two sides of the connection plate (1) in a threaded mode, and anti-slip strips (56) are fixedly connected to the inner wall of the connection plate (1).

Description

Bridge engineering bearing capacity monitoring devices Technical Field The utility model relates to the technical field of bridge engineering structure monitoring, in particular to a bridge engineering bearing capacity monitoring device. Background In modern traffic networks, bridges are a critical infrastructure, which is subject to tremendous traffic pressures. With the acceleration of the urban process and the continuous increase of traffic flow, particularly the frequent passing of heavy-duty vehicles, the service environment of the bridge is increasingly severe. Meanwhile, a plurality of early-built bridges are limited by the design concept, the material quality and the construction process at the time, and the design load level is generally low. In addition, the bridge structure is exposed in natural environment for a long time and is affected by factors such as weather erosion, temperature change, earthquake and the like, the bridge structure inevitably has the problems of aging, damage and the like, the bearing capacity of the bridge structure is gradually reduced, and the safety performance faces serious challenges. When the prior technical proposal is used, (1) The sensor arrangement mode is single, only stress data of a single dimension of the bridge can be monitored, the actual bearing capacity condition of the bridge under the complex load working condition can not be comprehensively reflected, and the requirement of the fine monitoring of the bridge is difficult to meet; (2) The integration level of the data processing and transmission module is low, the accuracy of the monitored data is reduced due to the fact that the data are easily subjected to external electromagnetic interference in the data transmission process, the bridge can continuously vibrate under the conditions of vehicle passing and the like, an effective damping and data stabilizing mechanism is lacked, accurate measurement of a sensor can be further interfered by vibration, errors of detected data are increased, a real-time early warning function is not achieved, and an alarm cannot be timely given out when the bearing capacity of the bridge is abnormal. Aiming at the problems, the utility model provides a bridge engineering bearing capacity monitoring device. Disclosure of utility model The utility model aims to solve the problems that in the prior art, the sensor arrangement is single, the bridge bearing capacity cannot be comprehensively and accurately monitored, real-time early warning is realized, and the bridge is easy to vibrate and interfere, and provides a bridge engineering bearing capacity monitoring device. In order to achieve the purpose, the bridge engineering bearing capacity monitoring device comprises a connecting plate, a pressure detection mechanism, a displacement detection mechanism, a data collection processing mechanism and a fixed connection mechanism, wherein the pressure detection mechanism is in threaded connection with the middle of the bottom of the connecting plate, the displacement detection mechanism is in threaded connection with two ends of the bottom of the connecting plate, the data collection processing mechanism is in threaded connection with the bottom of the connecting plate, the pressure detection mechanism comprises a fixing plate in threaded connection with the bottom of the connecting plate, bolts are in threaded connection with two sides of the fixing plate, a pressure sensor is fixedly connected with the bottom of the fixing plate, an alarm generator is fixedly connected with the top of the pressure sensor, and a controller is fixedly connected with the outer surface of the pressure sensor. Further, the pressure sensor is arranged at the fulcrum position of the bridge girder, and the pressure sensors are symmetrically arranged at two ends of the connecting plate. Further, the displacement detection mechanism comprises a vertical laser displacement sensor which is connected with the middle part of the bottom of the connecting plate in a threaded manner, the displacement detection mechanism comprises transverse laser displacement sensors which are connected with the two sides of the connecting plate in a threaded manner, and a data connecting line is fixedly connected between the vertical laser displacement sensor and the transverse laser displacement sensors. Further, the transverse laser displacement sensor and the vertical laser displacement sensor are arranged at the bottom and the side face of the bridge girder, the transverse laser displacement sensor is symmetrically arranged at two sides of the connecting plate, and the top of the vertical laser displacement sensor are fixedly connected with an alarm generator. Further, the data collection processing mechanism comprises data processing collectors fixedly connected to the bottom of the connecting plate, two data processing collectors are arranged, dust separation nets are fixedly connected to the tops of the data processing co