Detection device and control system for settlement of lap joint surface of new roadbed and old roadbed

Abstract

The utility model discloses a detection device and a control system for settlement of a lap joint surface of a new roadbed and an old roadbed, and relates to the technical field of road engineering monitoring, the detection device comprises a first support plate, a second support plate, two solar panels, two vibration sensors and two storage batteries, a placing box is mounted on the supporting rod, a laser displacement sensor and an industrial camera are mounted in the placing box, a detection plate is mounted on the second supporting plate, and a fluorescent graduated scale is mounted on the detection plate; according to the utility model, the traditional threaded rod and threaded cylinder adjusting mode is replaced by optimizing the adjusting mechanisms, the problems that a threaded structure is easy to wear and block and the manual operation efficiency is low are effectively solved, and a composite monitoring mode of the laser displacement sensor, the industrial camera and the fluorescent graduated scale is adopted, so that the monitoring precision is improved. And a multi-dimensional auxiliary assembly is combined to improve the reliability of the system.

Description

TECHNICAL FIELD

[0001] The utility model relates to road engineering monitoring technical field, concretely is a kind of detection device and control system for new and old roadbed lap joint surface settlement. BACKGROUND

[0002] In the new and old roadbed lap joint surface settlement monitoring of road reconstruction and extension project, the stability and adaptability of support adjustment system directly determine the reliability of detection data.The current mainstream support adjustment mode in the related art relies on the matching structure of threaded rod and threaded cylinder, the extension length of threaded cylinder is changed by rotating threaded rod, to adjust the support spacing, so as to adapt to different road surface width, slope and elevation difference.However, this traditional adjustment structure exposes significant limitations in actual engineering application, and it is difficult to meet the monitoring needs under complex working conditions.

[0003] The wear and jamming problem of threaded structure is prominent in the related art.The matching accuracy of threaded rod and threaded cylinder depends on the integrity of thread profile, and in the process of frequent adjustment (such as installation calibration at the beginning of the project or multiple adjustments due to roadbed deformation later), the threaded surface is easy to produce debris due to metal friction, and long-term accumulation will cause adjustment jamming or even jamming.Especially in soft soil roadbed or permafrost regions, the creep, frost heaving and thawing settlement of roadbed soil will generate continuous lateral force and axial force on the support system, forcing the threaded rod and threaded cylinder to be in a non-uniform speed stress state for a long time, and the threaded teeth bear alternating load, accelerating the wear and deformation of the thread.For example, in soft soil foundation, the post-construction settlement of new roadbed may cause the support system to be deflected, and the threaded structure may be "locked" due to excessive unilateral force, so that the horizontal state of the detection assembly cannot be restored by adjustment, and even the threaded rod may be broken due to forced operation, directly causing the interruption of monitoring.The manual operation is inefficient and difficult to adapt to large-scale engineering needs.The traditional threaded adjustment requires workers to rotate the threaded rod one by one, and the support height and angle are repeatedly calibrated by level, so the adjustment of a single support takes a long time.Therefore, the technical personnel in the field provide a detection device and control system for new and old roadbed lap joint surface settlement to solve the problems raised in the above background technology. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a detection device and control system for new and old roadbed lap joint surface settlement to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A detection device for new and old roadbed lap joint surface settlement, comprising:

[0007] A first support plate is fixedly installed with a support rod, and a placing box is installed on the support rod, and a laser displacement sensor and an industrial camera are installed in the placing box;

[0008] A second support plate is provided with a detection plate, and the detection plate is provided with a fluorescent scale;

[0009] The first support plate and the second support plate are provided with an inclination sensor and an adjusting mechanism.

[0010] Preferably, the placing box is provided with a box door, and the box door is provided with a baffle.

[0011] Preferably, the adjusting mechanism comprises an electric push rod, two ball head bearings, a first connecting plate and a second connecting plate, the two ball head bearings are respectively arranged at the fixed end and the output end of the electric push rod, the ball head bearing of the fixed end of the electric push rod is connected with the first connecting plate, the ball head bearing of the output end of the electric push rod is connected with the second connecting plate, and the first connecting plate is connected with the first support plate and the second support plate through bolts.

[0012] Preferably, the second connecting plate is connected with a fixing plate through bolts, and the fixing plate is provided with a mounting threaded hole.

[0013] Preferably, the first support plate is provided with a wire displacement sensor, and the steel wire rope of the wire displacement sensor is connected with the second support plate.

[0014] A control system of a detection device for new and old roadbed lap joint surface settlement comprises two solar panels, two vibration sensors and two storage batteries, the two solar panels and the two vibration sensors are respectively arranged on a first support plate and a second support plate, the first support plate and the second support plate are both provided with mounting grooves, and the storage batteries are arranged in the mounting grooves.

[0015] Preferably, the support rod is provided with a PLC controller, and the PLC controller is electrically connected with a laser displacement sensor, an industrial camera, an inclination sensor, an electric push rod, a wire displacement sensor, a solar panel, a vibration sensor and a storage battery.

[0016] Compared with the prior art, the control system has the advantages that:

[0017] 1. The utility model discloses a replace traditional screw rod and thread barrel adjusting mode with optimization adjusting mechanism, effectively solve the problem of easy wear and tear, jam and low artificial operation efficiency of thread structure. Adjusting mechanism can according to the horizontal state data of real -time feedback of inclination sensor, automatically complete the accurate adjustment of support height and angle, need not artificial repeated calibration, and the deployment efficiency in large -scale engineering is improved greatly. Meanwhile, the adjusting mechanism avoids the mechanical friction loss of thread cooperation, can resist the non -uniform load of soil creep, frost heaving and melting sinking under the complex geological conditions such as soft soil, frozen soil, ensure that the first support plate and second support plate always keep horizontal stability, provide reliable measurement datum for laser displacement sensor and industrial camera, reduce the monitoring error caused by device inclination.

[0018] 2. The utility model discloses a composite monitoring mode of " laser displacement sensor + industrial camera + fluorescent scale ruler", which significantly improves the reliability and monitoring efficiency of the system. The laser displacement sensor can realize real-time high-precision measurement of the overlap surface settlement, and the industrial camera cooperates with the fluorescent scale ruler to form a redundant backup. In case of adverse weather such as rain, snow and haze causing laser failure, the image recognition technology can still obtain settlement data, ensuring the continuity of all-weather monitoring. In addition, the independent power supply system composed of solar panels and storage batteries can adapt to the working condition of no external power supply in the field, and the vibration sensor can capture dynamic interference such as vehicle load in real time, so that the control system can distinguish between instantaneous vibration and permanent settlement and improve the data accuracy. The linkage of the inclination sensor and the adjusting mechanism further ensures the relative position stability between the detection plate and the laser displacement sensor, reduces the measurement deviation from the hardware level, and provides more comprehensive and reliable technical support for the overlap surface settlement monitoring of new and old roadbeds. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structure schematic diagram of the detection device for the overlap surface settlement of new and old roadbeds in the embodiment of the application.

[0020] Figure 2 It is a control system sectional structure schematic diagram of the detection device for the overlap surface settlement of new and old roadbeds in another embodiment of the application.

[0021] Figure 3 It is Figure 2 The enlarged view of A in the figure.

[0022] In the figure: 1, the first support plate; 2, support rod; 3, the placement box; 4, laser displacement sensor; 5, industrial camera; 6, the second support plate; 7, detection plate; 8, fluorescent scale; 9, tilt sensor; 10, box door; 11, baffle; 12, electric push rod; 13, ball head bearing; 14, the first connecting plate; 15, the second connecting plate; 16, fixed plate; 17, mounting threaded hole; 18, guyed displacement sensor; 19, steel wire rope; 20, solar panel; 21, vibration sensor; 22, battery; 23, mounting groove; 24, PLC controller. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Embodiment one

[0025] Please refer to Figure 1 and Figure 2 The utility model provides a technical scheme:

[0026] A detection device for the settlement of a new and old roadbed overlap surface, comprising:

[0027] The first support plate 1 is fixedly provided with the support rod 2, the support rod 2 is provided with the placement box 3, the placement box 3 is provided with the laser displacement sensor 4 and the industrial camera 5, the placement box 3 is provided with the box door 10, and the box door 10 is provided with the baffle 11;

[0028] The second support plate 6 is provided with the detection plate 7, the detection plate 7 is provided with the fluorescent scale 8, the first support plate 1 is provided with the guyed displacement sensor 18, and the steel wire rope 19 of the guyed displacement sensor 18 is connected with the second support plate 6;

[0029] The first support plate 1 and the second support plate 6 are both provided with an inclination sensor 9, and the first support plate 1 and the second support plate 6 are both provided with an adjusting mechanism, which comprises an electric push rod 12, two ball head bearings 13, a first connecting plate 14 and a second connecting plate 15, the two ball head bearings 13 are respectively arranged at the fixed end and the output end of the electric push rod 12, the ball head bearing 13 at the fixed end of the electric push rod 12 is connected with the first connecting plate 14, the ball head bearing 13 at the output end of the electric push rod 12 is connected with the second connecting plate 15, and the first connecting plate 14 is connected with the first support plate 1 and the second support plate 6 through bolts respectively, and the second connecting plate 15 is connected with a fixed plate 16 through bolts, and the fixed plate 16 is provided with a mounting threaded hole 17.

[0030] In the installation and debugging stage, the first support plate 1 is fixed above the surface of the new roadbed, the second support plate 6 is fixed above the surface of the old roadbed, and then the fastening is completed through the mounting threaded hole 17 of the fixed plate 16. The PLC controller 24 is started, the inclination sensor 9 detects the inclination angles of the two support plates in real time and feeds back to the PLC controller 24, the PLC controller 24 controls the extension and retraction of the electric push rod 12, when the electric push rod 12 extends and retracts, the ball head bearings 13 at the fixed end and the output end of the electric push rod 12 drive the first connecting plate 14 and the second connecting plate 15 to rotate relatively, so as to adjust the relative angles of the two support plates, until the two support plates are in a horizontal state, and the baffle 11 is in an open state during the adjustment process. The alignment of the laser displacement sensor 4 and the detection plate 7 is checked to ensure that the laser beam is vertically projected on the center of the fluorescent scale 8, and the lens of the industrial camera 5 is aligned with the scale area of the scale. The tension of the steel wire rope 19 of the pull wire displacement sensor 18 is verified to ensure that the connection point of the steel wire rope 19 and the second support plate 6 is on the horizontal reference line.

[0031] In the running monitoring stage, during daily monitoring, the PLC controller 24 starts the laser displacement sensor 4 regularly, and emits laser to the fluorescent scale 8, the laser displacement sensor 4 emits laser beam to the fluorescent scale 8 on the second support plate 6, calculates the vertical distance change of the two support plates by using the reflection principle of light, measures the vertical settlement difference of the two support plates in real time, and synchronously transmits the data to the PLC controller 24, which directly reflects the settlement difference of the roadbed lap surface.

[0032] The industrial camera 5 synchronously captures the fluorescent scale 8 image, obtains the visual measurement data through image gray scale analysis and scale identification, and forms double verification with the laser displacement sensor 4 data, thereby improving the detection precision. The wire displacement sensor 18 measures the horizontal displacement change of the two support plates through the extension and contraction of the steel wire rope 19, supplements the dimension of the vertical settlement monitoring, realizes three-dimensional settlement monitoring, and feeds back the horizontal direction settlement difference to the PLC controller 24 in real time. The inclination sensor 9 collects the inclination angle signal of the support plate in real time, converts the electric signal into an electric signal and transmits to the PLC controller 24. When the angle deviates from the horizontal reference, the PLC controller 24 outputs a control signal to the electric push rod 12 to drive the extension and contraction of the electric push rod 12, and the electric push rod 12 drives the first connecting plate 14 and the second connecting plate 15 to rotate relative to each other through the ball bearing 13 at both ends, so as to realize the posture fine adjustment of the support plate, and ensure that the detection reference surface is always in a horizontal state, thereby eliminating the measurement error caused by the inclination of the foundation. The PLC controller 24 collects the laser displacement, industrial camera 5 image, wire displacement, inclination and other data, performs comprehensive analysis and calculation, and obtains the settlement value. After the data is processed by the PLC controller 24, it can be transmitted to the remote terminal through wired or wireless mode, and the key data is stored locally.

[0033] Embodiment two

[0034] Please refer to Figure 2 and Figure 3 The utility model also provides a kind of control system of detection device for new and old roadbed lap joint surface settlement, including two solar panels 20, two vibration sensors 21 and two batteries 22: two solar panels 20 and two vibration sensors 21 are respectively installed on the first support plate 1 and the second support plate 6, and the first support plate 1 and the second support plate 6 are all provided with mounting groove 23, and the battery 22 is installed in the mounting groove 23.

[0035] Solar panel 20 converts light energy into electrical energy, and the charging and discharging management module of PLC controller 24 charges battery 22, and battery 22 provides stable power supply for the whole device;PLC controller 24 monitors the battery 22 power in real time, and when the power is lower than the threshold value, the solar panel 20 is preferentially used to supply power;When light is insufficient, automatically switch to battery 22 power supply, to ensure continuous operation of equipment;When vibration sensor 21 detects violent vibration, immediately send signal to PLC controller 24, and PLC controller 24 controls box door 10 to close, and baffle 11 shields laser emitting port and camera lens, and automatically opens after vibration ends.

[0036] In embodiment one and embodiment two, the support rod 2 is provided with a PLC controller 24, and the PLC controller 24 is electrically connected with the laser displacement sensor 4, the industrial camera 5, the inclination sensor 9, the electric push rod 12, the wire displacement sensor 18, the solar panel 20, the vibration sensor 21 and the battery 22 respectively.

[0037] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A device for detecting settlement at the interface between new and old roadbeds, characterized in that, include: A first support plate (1) is provided, on which a support rod (2) is fixedly installed. A placement box (3) is installed on the support rod (2), and a laser displacement sensor (4) and an industrial camera (5) are installed inside the placement box (3). A second support plate (6) is provided, on which a detection plate (7) is installed, and on which a fluorescent scale (8) is installed; Tilt sensors (9) are installed on both the first support plate (1) and the second support plate (6), and adjustment mechanisms are installed on both the first support plate (1) and the second support plate (6).

2. The device for detecting settlement at the interface between new and old roadbeds according to claim 1, characterized in that: The placement box (3) is equipped with a box door (10), and a baffle (11) is installed on the box door (10).

3. The device for detecting settlement at the interface between new and old roadbeds according to claim 2, characterized in that: The adjustment mechanism includes an electric push rod (12), two ball bearings (13), a first connecting plate (14), and a second connecting plate (15). The two ball bearings (13) are respectively installed at the fixed end and the output end of the electric push rod (12). The ball bearing (13) at the fixed end of the electric push rod (12) is connected to the first connecting plate (14), and the ball bearing (13) at the output end of the electric push rod (12) is connected to the second connecting plate (15). The first connecting plate (14) is connected to the first support plate (1) and the second support plate (6) respectively by bolts.

4. The device for detecting settlement at the interface between new and old roadbeds according to claim 3, characterized in that: The second connecting plate (15) is connected to a fixing plate (16) by bolts, and the fixing plate (16) has a mounting thread hole (17).

5. The device for detecting settlement at the interface between new and old roadbeds according to claim 4, characterized in that: A pull-wire displacement sensor (18) is installed on the first support plate (1), and the wire rope (19) of the pull-wire displacement sensor (18) is connected to the second support plate (6).

6. A control system for a settlement detection device at the interface between new and old roadbeds as described in any one of claims 1-5, comprising two solar panels (20), two vibration sensors (21), and two batteries (22), characterized in that: The two solar panels (20) and the two vibration sensors (21) are respectively mounted on the first support plate (1) and the second support plate (6). The first support plate (1) and the second support plate (6) are each provided with a mounting groove (23), and the battery (22) is installed in the mounting groove (23).

7. The control system of the detection device for settlement of the joint surface between new and old roadbeds according to claim 6, characterized in that: A PLC controller (24) is installed on the support rod (2). The PLC controller (24) is electrically connected to the laser displacement sensor (4), industrial camera (5), tilt sensor (9), electric push rod (12), pull-wire displacement sensor (18), solar panel (20), vibration sensor (21) and battery (22).

Images