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CN-122013660-A - Adjustable covering device for covering expansion joints of roads and bridges and adjusting method thereof

CN122013660ACN 122013660 ACN122013660 ACN 122013660ACN-122013660-A

Abstract

The invention belongs to the technical field of road and bridge engineering, and discloses an adjustable covering device for covering expansion joints of roads and bridges and an adjusting method thereof, wherein the covering device comprises a controller and two covering components, and each covering component comprises two cover plates which are oppositely arranged; the device comprises a piston cylinder, a driving device and a distance sensor, wherein the controller is used for acquiring a distance value measured by the distance sensor of any one of the cover components in real time, controlling the driving device of the other cover component to drive the corresponding piston cylinder to extend after the distance value is higher than a maximum threshold value, and controlling the driving device of the current cover component to drive the corresponding piston cylinder to extend after the distance value is lower than a minimum threshold value, so that the distance between two cover plates in each cover component meets the set gap. The covering device can be actively and adaptively adjusted, and can avoid overlarge gaps between the cover plates, thereby ensuring the safety and stability of the bridge structure.

Inventors

  • WANG SHIZHI
  • LIU SHUAI
  • Liu Yaofa
  • YUAN SHUAI
  • Hao Fangming

Assignees

  • 中建八局(内蒙古)建设有限公司

Dates

Publication Date
20260512
Application Date
20251231

Claims (7)

  1. 1. A cover device for covering road bridge expansion joint and adjustable, includes controller and two cover subassembly, and two cover subassemblies are used for covering the expansion joint between the back wall on bridge beam body and both sides respectively, its characterized in that, every cover the subassembly all includes: Two cover plates which are oppositely arranged are respectively and fixedly connected to the bridge girder body and the back wall at two sides of the corresponding expansion joint and are used for covering the expansion joint, and a set gap with a certain range is reserved between the two cover plates; The piston cylinder is arranged in the expansion joint, and two ends of the piston cylinder are respectively connected with the bridge girder body and the back wall; a driving device for pressurizing the piston cylinder to actively extend the piston cylinder; a distance sensor connected to the cover plates for measuring the distance between the two cover plates in real time, And the controller is used for acquiring the distance value measured by the distance sensor of any one of the cover components in real time, controlling the driving device of the other cover component to drive the corresponding piston cylinder to extend after the distance value is higher than the maximum threshold value, and controlling the driving device of the current cover component to drive the corresponding piston cylinder to extend after the distance value is lower than the minimum threshold value, so that the distance between the two cover plates in each cover component meets the set gap.
  2. 2. A cover device for covering a road bridge expansion joint and being adjustable as claimed in claim 1, wherein opposite sides of both said cover plates are provided with wave teeth so that the setting gap is formed wave-like.
  3. 3. The adjustable covering device for covering an expansion joint of a road bridge according to claim 1, wherein the bridge beam body and the back wall are provided with notches at one ends close to the expansion joint, fixing seats are fixedly connected in the two notches, the tops of the two fixing seats are respectively connected with the bottoms of the two cover plates for supporting the two cover plates, and the piston cylinder is fixedly connected between the two fixing seats.
  4. 4. A cover device for covering a road bridge expansion joint and being adjustable as claimed in claim 3, wherein the number of said piston cylinders is plural and the plural piston cylinders are arranged at intervals along the length direction of the expansion joint.
  5. 5. A cover device for covering a road bridge expansion joint and being adjustable as claimed in claim 4, wherein said driving means is an oil delivery device for actively elongating said piston cylinder by adding oil pressure to the oil delivery in said piston cylinder.
  6. 6. A cover device for covering an expansion joint of a road bridge and being adjustable as claimed in claim 4, wherein said driving means is a gas transmission device for actively elongating said piston cylinder by increasing the gas pressure in said piston cylinder.
  7. 7. A method of adjusting an adjustable covering for covering an expansion joint of a road bridge as claimed in claim 1, comprising the steps of: s1, measuring the distance between two corresponding cover plates in real time by utilizing distance sensors in the two cover components; S2, acquiring a distance value measured by a distance sensor of any one of the cover components in real time by using a controller, controlling a driving device of the other cover component to drive a corresponding piston cylinder to extend if the distance value is higher than a maximum threshold value, and controlling the driving device of the current cover component to drive the corresponding piston cylinder to extend if the distance value is lower than a minimum threshold value, so that the distance between two cover plates in each cover component meets the set gap.

Description

Adjustable covering device for covering expansion joints of roads and bridges and adjusting method thereof Technical Field The invention belongs to the technical field of road and bridge engineering, and particularly relates to an adjustable covering device for covering expansion joints of roads and bridges and an adjusting method thereof. Background In municipal road and bridge engineering, after the pier stud is constructed, a back wall is arranged, then a bridge beam body is erected between two adjacent back walls, expansion joints are arranged between the beam body and the back walls on two sides, and the expansion joints are structures which are arranged for meeting the expansion deformation of a bridge structure under the factors of temperature change, concrete shrinkage creep, vehicle load action and the like. The covering performance of the expansion joint is directly related to the durability and the driving comfort of the bridge structure. At present, the existing expansion joint is mostly covered by adopting materials such as rubber strips or sealant, however, when the expansion joint is enlarged in long-term use, the rubber strips or sealant are not closely attached to the expansion joint, so that a larger gap exists between the rubber strips or sealant and the expansion joint, and invasion of large-particle sundries cannot be effectively prevented, therefore, an adjustable covering device for covering the expansion joint of a road bridge and an adjustable covering method are provided for solving the problems. Disclosure of Invention In order to solve the problems, the invention provides an adjustable covering device for covering expansion joints of roads and bridges and an adjusting method thereof, and solves the problems that a traditional covering mode can cause larger gaps between the expansion joints when the expansion joints become larger, and thus large-particle sundries cannot be effectively prevented from entering. The invention is realized by the following scheme that the adjustable covering device for covering the expansion joint of a road bridge comprises a controller and two covering components, wherein the two covering components are used for respectively covering the expansion joint between a bridge girder body and back walls on two sides, and the adjustable covering device is characterized in that each covering component comprises: Two cover plates which are oppositely arranged are respectively and fixedly connected to the bridge girder body and the back wall at two sides of the corresponding expansion joint and are used for covering the expansion joint, and a set gap with a certain range is reserved between the two cover plates; The piston cylinder is arranged in the expansion joint, and two ends of the piston cylinder are respectively connected with the bridge girder body and the back wall; a driving device for pressurizing the piston cylinder to actively extend the piston cylinder; a distance sensor connected to the cover plates for measuring the distance between the two cover plates in real time, And the controller is used for acquiring the distance value measured by the distance sensor of any one of the cover components in real time, controlling the driving device of the other cover component to drive the corresponding piston cylinder to extend after the distance value is higher than the maximum threshold value, and controlling the driving device of the current cover component to drive the corresponding piston cylinder to extend after the distance value is lower than the minimum threshold value, so that the distance between the two cover plates in each cover component meets the set gap. The adjustable covering device for covering the road and bridge expansion joints is further improved in that wavy teeth are arranged on opposite sides of the two cover plates, so that the set gap is formed in a wavy shape. The invention provides a further improvement of an adjustable covering device for covering expansion joints of roads and bridges, which is characterized in that one ends of a bridge girder body and a back wall, which are close to the expansion joints, are provided with notches, fixed seats are fixedly connected in the two notches, the tops of the two fixed seats are respectively connected with the bottoms of two cover plates for supporting the two cover plates, and a piston cylinder is fixedly connected between the two fixed seats. The invention further improves the adjustable covering device for covering the expansion joints of roads and bridges, wherein the number of the piston cylinders is multiple, and the piston cylinders are distributed at intervals along the length direction of the expansion joints. The invention relates to a further improvement of an adjustable covering device for covering expansion joints of roads and bridges, which is characterized in that the driving device is oil conveying equipment, and the piston cylinder is actively stretched by increasing oi