CN-224231681-U - Precast member grouting monitoring device

CN224231681UCN 224231681 UCN224231681 UCN 224231681UCN-224231681-U

Abstract

The application relates to the technical field of prefabricated part monitoring, and particularly provides a prefabricated part grouting monitoring device, which comprises a fixed ring, a protective shell, a signal processing assembly, an optical fiber wire and an induction assembly, wherein the fixed ring is arranged on the fixed ring; the protection shell body set up in on the solid fixed ring, the signal processing subassembly is fixed in the inside of protection shell body, the response subassembly interval set up in the outside of protection shell body, the one end of optic fibre wire with the signal processing subassembly is connected, and the other end is to keeping away from the direction of protection shell body extends, and is connected with the response subassembly. According to the application, the prefabricated part grouting monitoring device is fixed on the steel bar by arranging the fixing ring, so that the prefabricated part grouting monitoring device can enter and be fixed in the sleeve along with the steel bar, and thus the slurry state can be monitored in real time during grouting. And acquiring various parameters in the slurry by arranging the induction component, and transmitting the parameters to the signal processing component through the optical fiber lead.

Inventors

YANG SENLONG
Xu Banghu
CHEN XIWEI
LI QI
ZHENG SHUANG
RONG GUOHONG
SUN LIFENG
HE YANLIN
ZHANG QINGLIANG
QIN YUCHANG

Assignees

中国建筑第四工程局有限公司
中建四局土木工程有限公司

Dates

Publication Date: 20260512
Application Date: 20250402

Claims (10)

1. The prefabricated part grouting monitoring device is characterized by comprising a fixing ring, a protection shell, a signal processing assembly, an optical fiber wire and an induction assembly, wherein the protection shell is arranged on the fixing ring, the signal processing assembly is fixed inside the protection shell, the induction assembly is arranged on the outer side of the protection shell at intervals, one end of the optical fiber wire is connected with the signal processing assembly, and the other end of the optical fiber wire extends in a direction away from the protection shell and is connected with the induction assembly.
2. The grouting monitoring device for prefabricated parts according to claim 1, wherein an outwardly extending bracket is arranged on the outer side wall of the protective housing, the sensing assembly comprises a metal strain gauge and a piezoelectric crystal, the metal strain gauge is embedded in the piezoelectric crystal, the piezoelectric crystal is fixed on the bracket, one end of the optical fiber wire is connected with the piezoelectric crystal, and the other end of the optical fiber wire penetrates through the protective housing to be connected with the signal processing assembly.
3. The precast element grouting monitoring device according to claim 1, wherein the signal processing assembly comprises a resistance strain gauge connected to the sensing assembly by the optical fiber lead and an integrated circuit board electrically connected to the resistance strain gauge.
4. The precast member grouting monitoring device according to claim 1, wherein the optical fiber guide wire is wrapped with a shielding layer.
5. The precast element grouting monitoring device according to claim 1, wherein the sensing assembly and the fixing ring are located at the same height.
6. The precast element grouting monitoring device according to claim 3, wherein the signal processing assembly further comprises a wireless transmission component, and the wireless transmission component is electrically connected with the integrated circuit board.
7. The precast element grouting monitoring device of claim 1, wherein the sensing assembly has a diameter of less than or equal to 10mm.
8. The grouting monitoring device for prefabricated parts according to claim 1, wherein an elastic clip or bolt is provided on the fixing ring to tighten the fixing ring.
9. The precast element grouting monitoring device according to claim 1, wherein the material of the protective housing is a metal material or a plastic material.
10. The grouting monitoring device for prefabricated parts according to claim 1, wherein a buffer layer is arranged in the protective housing, the buffer layer is filled in a gap between the signal processing assembly and the protective housing, and the buffer layer is made of elastic materials.

Description

Precast member grouting monitoring device Technical Field The application relates to the technical field of prefabricated part monitoring, in particular to a prefabricated part grouting monitoring device. Background The sleeve grouting connection is a novel vertical steel bar connection mode of prefabricated components, and is characterized in that a specially designed sleeve is sleeved at the end part of a steel bar, and high-performance grouting material is filled in the sleeve, so that two steel bars are integrated after the grouting material is solidified. The traditional sleeve grouting technology relies on manual experience or post detection means, such as post detection methods, such as endoscope observation, X-ray flaw detection, ultrasonic detection and the like, are required to be implemented after grouting solidification, and cannot feed back grouting process states in real time, namely cannot acquire grouting fullness information in the grouting process, and a large amount of effort is required to repair a formed prefabricated member with insufficient grouting fullness. Therefore, there is a need for a precast member grouting monitoring device capable of monitoring a state during grouting forming in real time. Disclosure of utility model In view of the above-mentioned shortcomings of the prior art, an object of the present application is to provide a grouting monitoring device for a prefabricated member, which aims to realize real-time monitoring and feedback of grouting state in a prefabricated member sleeve. The technical scheme includes that the prefabricated part grouting monitoring device comprises a fixed ring, a protection shell, a signal processing assembly, an optical fiber wire and an induction assembly, wherein the protection shell is arranged on the fixed ring, the signal processing assembly is fixed in the protection shell, the induction assembly is arranged on the outer side of the protection shell at intervals, one end of the optical fiber wire is connected with the signal processing assembly, and the other end of the optical fiber wire extends in a direction far away from the protection shell and is connected with the induction assembly. Optionally, a support extending outwards is arranged on the outer side wall of the protective casing, the induction component comprises a metal strain gauge and a piezoelectric crystal, the metal strain gauge is embedded in the piezoelectric crystal, the piezoelectric crystal is fixed on the support, one end of the optical fiber wire is connected with the piezoelectric crystal, and the other end of the optical fiber wire penetrates through the protective casing and is connected with the signal processing component. Optionally, the signal processing component includes a resistive strain gauge connected to the sensing component by the optical fiber wire and an integrated circuit board electrically connected to the resistive strain gauge. Optionally, a shielding layer is wrapped on the optical fiber wire. Optionally, the sensing component and the fixing ring are located at the same height. Optionally, the signal processing component further includes a wireless transmission component, and the wireless transmission component is electrically connected with the integrated circuit board. Optionally, the diameter of the sensing component is less than or equal to 10mm. Optionally, an elastic clip or a bolt is provided on the fixing ring, so that the fixing ring is tightened. Optionally, the material of the protection shell is a metal material or a plastic material. Optionally, a buffer layer is disposed in the protective housing, the buffer layer is filled in a gap between the signal processing component and the protective housing, and the buffer layer is made of an elastic material. Compared with the prior art, the grouting monitoring device for the prefabricated part is fixed on the steel bar through the fixing ring, so that the grouting monitoring device can enter and be fixed in the sleeve along with the steel bar, and the state of slurry is monitored in real time during grouting. The sensor assembly is arranged to acquire various parameters in the slurry, the parameters are transmitted to the signal processing assembly through the optical fiber wire, the parameters in the slurry can be intuitively acquired through the sensor assembly, photoelectric signal conversion is realized through the optical fiber wire, the conductor exposed in the slurry is prevented from being interfered, and the signal processing assembly converts the internal state of the slurry into a readable signal and transmits the readable signal to the equipment end. Thereby realizing real-time and accurate slurry state detection. Drawings FIG. 1 is a front view of a precast element grouting monitoring device according to an embodiment of the present application; FIG. 2 is a top view of a precast element grouting monitoring device according to an embodiment of the present application;