CN-122015736-A - Hydraulic engineering crack changes quantitative monitoring device

CN122015736ACN 122015736 ACN122015736 ACN 122015736ACN-122015736-A

Abstract

The application relates to a hydraulic engineering crack change quantitative monitoring device which comprises a frame, a measuring mechanism and a rubbing mechanism, wherein the frame is arranged at the position of a hydraulic engineering crack, the measuring mechanism is used for measuring the crack, the rubbing mechanism is used for rubbing the crack and is convenient for the measuring mechanism to measure, the rubbing mechanism comprises a support, a box body, a phase change component and a pulling component, the support is arranged on the frame in a lifting mode, the box body is arranged in the support and is variable in size, the phase change component is arranged in the box body and is used for rubbing the crack through deformation, and the phase change component is pulled out after the phase change component is rubbed. According to the application, the maximum deformation of the crack is measured by rubbing the crack, so that the monitoring and supervision of the deformation of the crack of the hydraulic engineering are improved.

Inventors

LI GUN
ZHANG XIN
WU TIANYU
GU MINGXIAN
YANG YANG
SONG ZHAOQIAN
Cui Kangxin
LIU LONGTIAN
LI CHENG

Assignees

山东润泰水利工程有限公司

Dates

Publication Date: 20260512
Application Date: 20260228

Claims (8)

1. Quantitative monitoring device is changed to hydraulic engineering crack, its characterized in that includes: the frame is arranged at the crack position of the hydraulic engineering; A measuring mechanism for measuring the crack, and The rubbing mechanism is used for rubbing the crack and is convenient for the measuring mechanism to measure; the rubbing mechanism comprises: the bracket is arranged on the frame in a lifting manner; the box body is arranged in the bracket and has variable size; The phase change component is arranged in the box body and used for rubbing cracks through deformation change and And (3) extracting the component, namely extracting the phase-change component after the phase-change component is subjected to rubbing.
2. The hydraulic engineering crack change quantitative monitoring device according to claim 1, wherein the box body comprises: An outer box arranged on the bracket and provided with an opening at the bottom end, and The inner frame is elastically arranged on the outer box; both ends of the inner frame are provided with openings, the upper part of the phase change assembly is arranged in the outer box, and the lower part of the phase change assembly is arranged in the inner frame.
3. The hydraulic engineering crack change quantitative monitoring device according to claim 2, wherein the phase change assembly comprises: The magnetic conduction coil is arranged on the outer box; A bag body fixedly arranged in the outer box and suspended in the inner frame, and The extrusion part is used for extruding the bag body; magnetorheological fluid is filled in the bag body, and the magnetorheological fluid in the bag body fills the cracks in a fluid state, and the rubbing of the cracks is completed when the magnetorheological fluid is in a solid state.
4. A hydraulic engineering crack variation quantitative monitoring device according to claim 3, wherein the extrusion part comprises: the rack I is fixedly connected with the inner frame and is arranged in the outer box in a sliding manner; the gear is rotatably arranged in the outer box; A rack II meshed with the gear and slidingly arranged in the outer box and The extrusion block is fixedly connected with the second rack; the extrusion piece moves downwards when the inner frame moves upwards and extrudes the capsule body.
5. The hydraulic engineering crack change quantitative monitoring device according to claim 4, wherein a plurality of pull-out assemblies are arranged and are respectively positioned at two sides of the inner frame pair; the extraction assembly includes: laying cloth, one end of which is fixed at the bottom of the bag body and is in a folded state when in an initial state, and The power part is used for pulling the laying cloth; The other end of the laying cloth is connected with the power part, and when in an initial state, part of the laying cloth is positioned at the bottom of the bag body and the other part of the laying cloth is positioned at the side wall of the bag body.
6. The hydraulic engineering crack change quantitative monitoring device according to claim 5, wherein the power part comprises: the phase change group is powered by phase change; A lever rotatably disposed in the outer case, and One end of the pull rope is fixed at the end part of the lever, the other end is connected with the bedding cloth; The phase change group provides power for the lever through phase change, and the position that the lever rotated to connect is kept away from the position of stay cord.
7. The hydraulic engineering crack change quantitative monitoring device according to claim 6, wherein the phase change group comprises: The memory alloy wire starts to change phase to shrink and recover when the phase transition temperature is exceeded; A power block fixedly connected with one end of the memory alloy wire, and The energizing piece is used for energizing and heating the memory alloy wire until the phase transition temperature is exceeded; When the memory alloy wire contracts, the lever drives the pull rope to pull the bedding cloth upwards.
8. The hydraulic engineering crack change quantitative monitoring device according to claim 7, wherein the pulling-out assembly further comprises a lubrication part for lubricating the bedding cloth; The lubrication unit includes: a flexible paste for filling the lubricating paste, and The wetting block is fixed at one end of the lever, which is close to the pull rope; The flexible paste is fixed on the wetting block, the opening of the flexible paste is opposite to the laying cloth, and the flexible paste moves to a path of movement of the laying section along with the lever.

Description

Hydraulic engineering crack changes quantitative monitoring device Technical Field The application relates to the technical field of crack monitoring, in particular to a quantitative monitoring device for crack change of hydraulic engineering. Background At present, hydraulic engineering (such as dams, channels, brake chambers and the like) is affected by factors such as temperature stress, uneven settlement, hydraulic load, material aging and the like in the long-term operation process, and cracks are inevitably generated. The expansion of cracks not only affects the appearance of the building, but also can cause corrosion and leakage of the steel bars, and even endanger the overall safety of the structure. Therefore, accurate and real-time quantitative monitoring of the opening and closing degree (width), the dislocation amount and the depth of the crack is important. In the related art, vernier calipers, feelers or simple crack observation marks are mainly used, the working principle is to directly read the numerical value or observe whether the marker is broken by means of manual regular inspection, and of course, some technologies adopt vibrating wire type seam detectors, potentiometer type displacement meters and the like to monitor cracks through sensors. The related art has the defect that no matter what monitoring mode is adopted, the maximum value of the crack is probably not measured, so that errors exist in the measured value of the crack change amount, and therefore, the problem of how to monitor the maximum position of the crack is solved. Disclosure of Invention In order to improve the technical problems, the application provides a hydraulic engineering crack change quantitative monitoring device. The application provides a hydraulic engineering crack change quantitative monitoring device which adopts the following technical scheme: a hydraulic engineering crack change quantitative monitoring device, comprising: the frame is arranged at the crack position of the hydraulic engineering; A measuring mechanism for measuring the crack, and The rubbing mechanism is used for rubbing the crack and is convenient for the measuring mechanism to measure; the rubbing mechanism comprises: the bracket is arranged on the frame in a lifting manner; the box body is arranged in the bracket and has variable size; The phase change component is arranged in the box body and used for rubbing cracks through deformation change and And (3) extracting the component, namely extracting the phase-change component after the phase-change component is subjected to rubbing. Still further, the case includes: An outer box arranged on the bracket and provided with an opening at the bottom end, and The inner frame is elastically arranged on the outer box; both ends of the inner frame are provided with openings, the upper part of the phase change assembly is arranged in the outer box, and the lower part of the phase change assembly is arranged in the inner frame. Still further, the phase change assembly includes: The magnetic conduction coil is arranged on the outer box; A bag body fixedly arranged in the outer box and suspended in the inner frame, and The extrusion part is used for extruding the bag body; magnetorheological fluid is filled in the bag body, and the magnetorheological fluid in the bag body fills the cracks in a fluid state, and the rubbing of the cracks is completed when the magnetorheological fluid is in a solid state. Still further, the pressing portion includes: the rack I is fixedly connected with the inner frame and is arranged in the outer box in a sliding manner; the gear is rotatably arranged in the outer box; A rack II meshed with the gear and slidingly arranged in the outer box and The extrusion block is fixedly connected with the second rack; the extrusion piece moves downwards when the inner frame moves upwards and extrudes the capsule body. Further, the plurality of pull-out assemblies are arranged on two sides of the inner frame pair respectively; the extraction assembly includes: laying cloth, one end of which is fixed at the bottom of the bag body and is in a folded state when in an initial state, and The power part is used for pulling the laying cloth; The other end of the laying cloth is connected with the power part, and when in an initial state, part of the laying cloth is positioned at the bottom of the bag body and the other part of the laying cloth is positioned at the side wall of the bag body. Still further, the power section includes: the phase change group is powered by phase change; A lever rotatably disposed in the outer case, and One end of the pull rope is fixed at the end part of the lever, the other end is connected with the bedding cloth; The phase change group provides power for the lever through phase change, and the position that the lever rotated to connect is kept away from the position of stay cord. Still further, the phase change group includes: The memory alloy wire starts t