Simple replacement-free damper deformation monitoring device
By designing a simple and replacement-free damper deformation monitoring device, the damper deformation is recorded using the motion trajectory of the piston rod and cover plate, the existing monitoring methods are solved, and the problems of high cost, poor durability and need of external energy are achieved, real and effective Damper deformation recording and project evaluation support.
Patent Information
- Application Number
- CN202411546599.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-01
- Publication Date
- 2025-02-18
AI Technical Summary
The existing damper deformation monitoring methods are costly, poor durability, and require external energy, making it difficult to collect data after earthquakes or wind vibration.
A simple and replaceable deformation monitoring device is designed. The movement of the front and rear covers is driven by the movement of the piston rod, and the maximum and minimum deformation of the damper is recorded using the motion trajectory of the front and rear covers. It has a simple structure, reusable and unnecessary structure. External energy.
It realizes the real and effective recording of damper deformation after earthquake or wind vibration, providing strong support for project evaluation after earthquake/vibration, and solving the problem that existing monitoring means are difficult to collect data.
Smart Images
Figure CN119468884A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of structural health monitoring, and more particularly to a simple and replacement-free damper deformation monitoring device. Background Art
[0002] In recent years, energy dissipation and shock reduction technology has been rapidly developed in my country, safeguarding the safety of my country's structures. Energy dissipation and shock reduction technology is to add dampers to the structure, and consume the energy of earthquake or wind vibration through the hysteresis or viscous energy dissipation of the damper, so as to achieve the purpose of protecting the main structure. In earthquake or wind vibration areas, many houses have adopted energy dissipation and shock reduction technology, but because earthquakes and wind vibrations occur randomly or last for a short time, traditional dampers basically complete the reset after the earthquake or wind vibration, which brings certain difficulties to experts in evaluating the role of dampers and structural performance in the project.
[0003] There are many monitoring methods at present. The most commonly used solution is to add sensors to the structure, then collect relevant data through data acquisition instruments, and finally sort out the data to obtain some reference values. This solution is costly, has poor durability, and requires external energy. Earthquakes and wind vibrations are relatively random, and the above monitoring methods may have the problem of difficulty in collecting data. In view of this, we propose a simple and replacement-free damper deformation monitoring device. Summary of the invention
[0004] The purpose of the present invention is to provide a simple and replacement-free damper deformation monitoring device to solve the technical problem that existing monitoring means are difficult to collect data.
[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: a simple and replacement-free damper deformation monitoring device, comprising a steel sleeve with a concrete rod disposed at one end thereof;
[0006] A rear cover plate is movably mounted on the outer edge surface of one end of the steel sleeve, and a piston rod is movably mounted on the end of the steel sleeve away from the concrete rod. A piston head is fixedly connected to the end of the piston rod facing the concrete rod, and the side of the piston head away from the piston rod is movably abutted against the concrete rod. A front cover plate is movably mounted on the outer edge surface of the other end of the steel sleeve relative to the rear cover plate, and the front cover plate structure is connected to the outer edge surface of the piston rod.
[0007] The invention drives the movement of the front and rear cover plates through the movement of the piston rod, and uses the movement trajectory of the front and rear cover plates as the basis for the maximum and minimum deformation of the damper. The invention has a simple structure, is reusable, does not require external energy, and can ensure the real and effective recording of the damper deformation after earthquake or wind vibration, providing strong support for project evaluation after earthquake / vibration.
[0008] Preferably, a polytetrafluoroethylene plate is provided between the outer surface of the concrete rod and the inner surface of the steel sleeve, and the rear cover plate is connected and fixed to the concrete rod by bolts.
[0009] Preferably, a concrete ring is sleeved on the outer edge surface of the piston rod, and a second polytetrafluoroethylene plate is arranged between the outer surface of the piston rod and the inner surface of the concrete ring.
[0010] Preferably, a polytetrafluoroethylene plate is provided between the outer surface of the concrete ring and the inner surface of the steel sleeve, and one end of the piston rod extends out of the steel sleeve and is connected with a connecting pin.
[0011] Preferably, a connecting ear plate is provided on the outer edge surface of the steel sleeve, and the connecting ear plate is structurally connected and fixed to the outer edge surface of the steel sleeve.
[0012] Preferably, the concrete ring is connected and fixed to the front cover plate by bolts, the concrete rod is tightly fitted with the end facing the piston head, and scale lines are engraved on the outer edge surfaces at both ends of the steel sleeve.
[0013] Compared with the prior art, the present invention has the following beneficial effects:
[0014] The present invention drives the movement of the front and rear cover plates through the movement of the piston rod, and uses the movement trajectory of the front and rear cover plates as the basis for the maximum and minimum deformation of the damper. The invention has a simple structure, is reusable, does not require external energy, can ensure the real and effective recording of the damper deformation after earthquake or wind vibration, provides strong support for project evaluation after earthquake / vibration, and solves the problem of difficulty in collecting data in existing monitoring methods. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a structural schematic diagram of the present invention;
[0016] Figure 2 For the present invention Figure 1 A cross-sectional view of
[0017] Figure 3 For the present invention Figure 2 A magnified schematic diagram of the structure at center A;
[0018] Figure 4 For the present invention Figure 2 A magnified schematic diagram of the structure at B in the figure.
[0019] Description of the numbers in the figure:
[0020] 1. Steel sleeve; 2. Connecting ear plate; 3. Concrete rod; 4. Polytetrafluoroethylene plate one; 5. Rear cover plate; 6. Piston rod; 7. Piston head; 8. Connecting pin head; 9. Front cover plate; 10. Polytetrafluoroethylene plate two; 11. Concrete ring; 12. Polytetrafluoroethylene plate three. DETAILED DESCRIPTION
[0021] like Figure 1-Figure 4 As shown, the present invention relates to a simple and replacement-free damper deformation monitoring device, comprising a steel sleeve 1 with a concrete rod 3 arranged at one end thereof, a rear cover plate 5 movably mounted on the outer edge surface of one end of the steel sleeve 1, and a piston rod 6 movably mounted on the end of the steel sleeve 1 away from the concrete rod 3, a piston head 7 is fixedly connected to the end of the piston rod 6 facing the concrete rod 3, a side of the piston head 7 away from the piston rod 6 is movably abutted against the concrete rod 3, a front cover plate 9 is movably mounted on the outer edge surface of the other end of the steel sleeve 1 relative to the rear cover plate 5, the front cover plate 9 is structurally connected to the outer edge surface of the piston rod 6, and the piston head 7 is an enlarged head structure.
[0022] In the embodiment of the present invention, a polytetrafluoroethylene plate 4 is provided between the outer surface of the concrete rod 3 and the inner surface of the steel sleeve 1, and the rear cover plate 5 is connected and fixed to the concrete rod 3 by bolts.
[0023] In the embodiment of the present invention, a concrete ring 11 is sleeved on the outer edge surface of the piston rod 6, and a polytetrafluoroethylene plate 2 10 is arranged between the outer surface of the piston rod 6 and the inner surface of the concrete ring 11, and a polytetrafluoroethylene plate 3 12 is arranged between the outer surface of the concrete ring 11 and the inner surface of the steel sleeve 1, and one end of the piston rod 6 extends out of the steel sleeve 1 and is structurally connected with a connecting pin head 8.
[0024] In an embodiment of the present invention, a connecting ear plate 2 is provided on the outer edge surface of the steel sleeve 1, the connecting ear plate 2 is structurally connected and fixed to the outer edge surface of the steel sleeve 1, the concrete ring 11 is connected and fixed to the front cover plate 9 by bolts, the concrete rod 3 is tightly fitted with the end facing the piston head 7, and scale lines are engraved on the outer edge surfaces of both ends of the steel sleeve 1.
[0025] The interval between the scale lines is 2 mm, and the distance between the rear cover plate 5 and the front cover plate 9 and the initial scale lines can be determined by counting the scale lines.
[0026] Working principle: This embodiment provides a simple and replacement-free damper deformation monitoring device. When in use, the device is used in parallel with the damper. When the damper is deformed, it produces the same deformation as the damper. When the device moves, it will drive the concrete rod 3 or the concrete ring 11 to move. At the same time, the concrete rod 3 or the concrete ring 11 will move with the rear cover plate 5 or the front cover plate 9. The movement displacement of the rear cover plate 5 and the front cover plate 9 can represent the maximum and minimum deformation of the damper.
[0027] The embodiments of the present invention disclose preferred embodiments, but are not limited thereto. A person skilled in the art can easily understand the spirit of the present invention based on the above embodiments and make different extensions and changes. However, as long as they do not deviate from the spirit of the present invention, they are all within the protection scope of the present invention.
Claims
1. A simple and replacement-free damper deformation monitoring device, characterized in that: It comprises a steel sleeve (1) with a concrete rod (3) arranged at one end thereof; A rear cover plate (5) is movably mounted on the outer edge surface of one end of the steel sleeve (1), and a piston rod (6) is movably mounted on the end of the steel sleeve (1) away from the concrete rod (3). A piston head (7) is fixedly connected to the end of the piston rod (6) facing the concrete rod (3), and the side of the piston head (7) away from the piston rod (6) is movably abutted against the concrete rod (3). A front cover plate (9) is movably mounted on the outer edge surface of the other end of the steel sleeve (1) relative to the rear cover plate (5), and the front cover plate (9) is structurally connected to the outer edge surface of the piston rod (6).
2. A simple and replacement-free damper deformation monitoring device according to claim 1, characterized in that: A polytetrafluoroethylene plate (4) is provided between the outer surface of the concrete rod (3) and the inner surface of the steel sleeve (1), and the rear cover plate (5) is connected and fixed to the concrete rod (3) by bolts.
3. A simple and replacement-free damper deformation monitoring device according to claim 1, characterized in that: A concrete ring (11) is sleeved on the outer edge surface of the piston rod (6), and a second polytetrafluoroethylene plate (10) is arranged between the outer surface of the piston rod (6) and the inner surface of the concrete ring (11).
4. A simple and replacement-free damper deformation monitoring device according to claim 3, characterized in that: A polytetrafluoroethylene plate (12) is provided between the outer surface of the concrete ring (11) and the inner surface of the steel sleeve (1), and one end of the piston rod (6) extends out of the steel sleeve (1) and is connected to a connecting pin (8).
5. A simple and replacement-free damper deformation monitoring device according to claim 1, characterized in that: A connecting ear plate (2) is provided on the outer edge surface of the steel sleeve (1), and the connecting ear plate (2) is structurally connected and fixed to the outer edge surface of the steel sleeve (1).
6. A simple and replacement-free damper deformation monitoring device according to claim 4, characterized in that: The concrete ring (11) is connected and fixed to the front cover plate (9) by bolts, the concrete rod (3) is tightly fitted to the end facing the piston head (7), and scale lines are engraved on the outer edge surfaces of both ends of the steel sleeve (1).