Deformation monitoring device for hydraulic radial steel gate girder
By installing laser receivers and transmitters on the curved steel gate of the hydraulic structure, the deformation of the main beam is monitored, which solves the problem of difficulty in monitoring deformation in the existing technology, realizes real-time deformation monitoring, and improves safety.
Patent Information
- Application Number
- CN202520610714.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2026-01-27
- Estimated Expiration
- 2035-04-02
AI Technical Summary
Existing technologies are insufficient to effectively monitor the deformation of curved steel gates in hydraulic engineering, leading to safety hazards and potential accident risks.
A set of laser receivers and laser transmitters are fixed to the concrete sidewall and the gate arm, respectively. The deformation of the main beam is monitored by the change of the laser signal, and the displacement change is measured by a scale to achieve real-time deformation monitoring.
Real-time deformation monitoring of the main beam of the hydraulic arc-shaped steel gate was achieved, which improved the reliability and safety of the structure and reduced the risk of accidents.
Smart Images
Figure CN223841152U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of monitoring technology for arc-shaped steel gates, specifically to a deformation monitoring device for the main beam of an arc-shaped steel gate in hydraulic engineering. Background Technology
[0002] Hydraulic arched steel gates are widely used in hydraulic structures due to their advantages such as large enclosing area, convenient opening and closing, fewer embedded parts, and small gate pier height. The reliability and safety of their structure are decisive factors for the safe operation of the hydraulic engineering project. In recent years, serious accidents in water conservancy projects caused by malfunctions of hydraulic steel gates remain frequent. In fact, structural deformation of the steel gate components exists before a safety accident is triggered. Therefore, it is essential to develop a device capable of monitoring the deformation of hydraulic arched steel gates. Utility Model Content
[0003] To address the aforementioned problems, this utility model provides a deformation monitoring device for the main beam of a hydraulic arc-shaped steel gate.
[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows:
[0005] A deformation monitoring device for the main beam of a hydraulic arc-shaped steel gate includes a set of No. 1 laser receivers fixed on the concrete side walls on both sides, a set of No. 2 laser receivers set in the upper part of the backwater side wing plate, and two sets of laser emitters set in the upper part of the backwater side wing plate. The No. 1 laser receiver, No. 2 laser receiver and laser emitters are installed aligned. Each set of laser emitters includes two laser emitters, which are installed back to back. One laser emitter is paired with the No. 1 laser receiver, and the other laser emitter is paired with the No. 2 receiver.
[0006] Furthermore, the two sets of laser emitting ends are connected to the backwater side wing plate via gate support bolts.
[0007] Furthermore, the first laser receiver includes two first laser receivers symmetrically installed on the concrete side walls on both sides.
[0008] Furthermore, the two sets of laser transmitters are symmetrically installed on both sides of the second laser receiver.
[0009] Furthermore, the first laser receiver, the second laser receiver, and the laser emitter are all equipped with scales.
[0010] This utility model has the following beneficial effects:
[0011] This utility model has a simple structure and is easy to operate. It can obtain the change in the mid-span position of the backwater side wing plate in real time, and thus obtain the deformation of the main beam of the hydraulic arc steel gate. Attached Figure Description
[0012] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:
[0013] Figure 1 This is a schematic diagram of the structure of a deformation monitoring device for the main beam of a hydraulic arc-shaped steel gate according to an embodiment of the present invention;
[0014] In the diagram: 1 - Laser receiver No. 1; 2 - Laser receiver No. 2; 3 - Laser transmitter; 4 - Gate support bolt. Detailed Implementation
[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0016] like Figure 1 As shown in the figure, a deformation monitoring device for the main beam of a hydraulic arc-shaped steel gate according to an embodiment of the present invention includes two first laser receivers 1 fixed on the concrete sidewalls on both sides of the backwater side wing plate, a set of second laser receivers 2 set in the upper part of the backwater side wing plate, and two sets of laser emitters 3 set in the upper part of the backwater side wing plate. The first laser receivers 1, second laser receivers 2 and laser emitters 3 are aligned and installed. The two sets of laser emitters 3 are symmetrically installed on both sides of the second laser receivers 2. Each set of laser emitters includes two laser emitters, which are installed back to back. One laser emitter is paired with the first laser receiver 1, and the other laser emitter is paired with the second laser receiver 2. When the positions of the two remain unchanged, the laser receiver can receive the laser from the laser emitter exactly. When the position changes, the amount of laser emission reflected at the laser receiver changes. The difference between the amount of laser emission at the laser receiver and the amount of laser emission at the laser emitter reflects the relative displacement of their positions. That is, the laser receiver installed in the middle of the main beam has a relative displacement of X2 relative to the laser emitter at the gate arm position; the laser receiver installed on the concrete sidewalls fixed on both sides of the backwater side plate has a relative displacement of X1 relative to the laser emitter at the gate arm position.
[0017] In this embodiment, the No. 1 laser receiver, No. 2 laser receiver, and laser transmitter are all equipped with scales. A set of No. 1 laser receivers, fixed to the concrete sidewalls on both sides of the backwater side wing plate, serves as a reference for determining the relative position of the gate and reflects the overall positional change X1 of the gate by receiving changes in the laser light from the laser transmitter. A set of No. 2 laser receivers, located in the upper part of the backwater side wing plate, is used to receive laser light from the laser transmitter to report the relative displacement X2 of the laser receiver installation position in the middle of the main beam relative to the position of the laser transmitter at the gate support arm. The change in the mid-span position of the backwater side wing plate can be obtained based on the following formula:
[0018] The change in the mid-span position of the backwater side wing plate = X2 - X1.
[0019] In this embodiment, the two sets of laser emitting ends 3 are connected to the backwater side wing plate through the gate support bolts 4, and the displacement change at this position is extremely small.
[0020] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any changes or substitutions conceived without inventive effort should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope defined in the claims.
Claims
1. A deformation monitoring device for the main beam of a hydraulic arc-shaped steel gate, characterized in that: It includes a set of No. 1 laser receivers fixed on the concrete side walls on both sides, a set of No. 2 laser receivers set in the upper part of the backwater side wing plate, and two sets of laser emitters set in the upper part of the backwater side wing plate. The No. 1 laser receiver, No. 2 laser receiver and laser emitters are installed aligned.
2. The deformation monitoring device for the main beam of a hydraulic arc-shaped steel gate as described in claim 1, characterized in that: The two sets of laser emitting ends are connected to the backwater side wing plate via gate support bolts.
3. The deformation monitoring device for the main beam of a hydraulic arc-shaped steel gate as described in claim 1, characterized in that: Each set of laser transmitters includes two laser transmitters, which are installed back to back. One laser transmitter is paired with the first laser receiver, and the other laser transmitter is paired with the second laser receiver.
4. The deformation monitoring device for the main beam of a hydraulic arc-shaped steel gate as described in claim 1, characterized in that: The first laser receiver includes two first laser receivers symmetrically installed on the concrete side walls on both sides.
5. The deformation monitoring device for the main beam of a hydraulic arc-shaped steel gate as described in claim 1, characterized in that: Two sets of laser transmitters are symmetrically installed on both sides of the second laser receiver.
6. The deformation monitoring device for the main beam of a hydraulic arc-shaped steel gate as described in claim 1, characterized in that: The first laser receiver, the second laser receiver, and the laser transmitter are all equipped with scales.