Monitoring equipment for steel bar net protection layer distance control and trolley

Abstract

The utility model provides a monitoring device for steel bar net protection layer distance control and a trolley. A distance measuring module is used for measuring the distance between the distance measuring module and a second lining steel bar layer; the output end of the relay is correspondingly connected to a main control circuit of the trolley; a controller is arranged in the main body, the controller is correspondingly connected with the distance measuring module and the input end of the relay, and the controller is further correspondingly connected with a display module and a warning module. The monitoring equipment provided by the utility model can be arranged on the secondary lining trolley, and the monitoring equipment can monitor the distance between the surface of the trolley and a reinforcing steel bar layer in the pushing process of the trolley through accurate cooperation between the multiple execution elements and the sensors, so that real-time monitoring on the distance of a reinforcing steel bar protective layer is realized. The device does not need tedious manual measurement operation by technicians, so that the working efficiency is remarkably improved, and the labor intensity of the field technicians is effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of tunnel construction, specifically relates to a kind of monitoring equipment and trolley of steel bar net protective layer distance control. BACKGROUND

[0002] In the tunnel construction process, the thickness control of steel bar protective layer is one of the key factors affecting the quality of tunnel engineering. If the steel bar protective layer is not properly controlled, it may lead to insufficient tunnel structure strength, reduced waterproof performance, and even endanger the overall safety of the project. Therefore, accurate control of the steel bar protective layer has become a key process in tunnel construction, directly related to the construction quality of the secondary lining of the tunnel.

[0003] In traditional construction methods, due to the relatively backward measurement means, there are not only great safety hazards, but also a large amount of manpower is needed for auxiliary operation, the construction efficiency is low, and it is difficult to meet the dual requirements of high quality and high efficiency of modern tunnel engineering. At the same time, the accuracy of manual detection is limited, and errors are easily produced, which further affects the overall reliability and service life of the project.

[0004] Therefore, it is necessary to provide an improved technical solution for the above-mentioned deficiencies of the prior art. UTILITY MODEL CONTENTS

[0005] The utility model aims to overcome the deficiencies in the prior art, and provides a kind of monitoring equipment and trolley of steel bar net protective layer distance control.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A kind of monitoring equipment of steel bar net protective layer distance control, comprising:

[0008] Distance measuring module, the distance measuring module is used to measure the interval between itself and the second lining steel bar layer;

[0009] Relay, the output end of the relay is connected on the main control circuit of trolley;

[0010] Main body, the controller is arranged in the main body, the controller is connected with the distance measuring module and the input end of the relay, the controller is also connected with display module and warning module.

[0011] Preferably, the warning module includes a light-emitting diode and a buzzer, and the buzzer is connected to the controller through a quick socket.

[0012] The light-emitting diode is connected to the controller in series with a resistor.

[0013] Preferably, the distance measuring module is an ultrasonic distance measuring device.

[0014] The display module is a 4-digit nixie tube display.

[0015] Preferably, the distance measuring module is multiple, and the multiple distance measuring modules are uniformly distributed on the periphery of the upper surface of the trolley.

[0016] The light emitting diode is multiple, and the multiple light emitting diodes and the multiple distance measuring modules correspond one-to-one.

[0017] Preferably, the distance measuring module is arranged in the shell, the shell includes an upper shell and a lower shell that are buckled to each other, and the upper shell of the shell is provided with a notch corresponding to the monitoring end of the distance measuring module.

[0018] The lower surface of the lower shell is provided with a sliding block, and the trolley is provided with a sliding groove corresponding to the sliding block and extending along the periphery of the upper surface of the trolley.

[0019] Preferably, the shell is provided with an extension plate corresponding to the two sides of the sliding block, one side of the extension plate close to the sliding groove is provided with a middle convex elastic limiting piece, and the outer wall of the sliding groove is provided with uniformly distributed limiting grooves corresponding to the elastic limiting piece.

[0020] Preferably, the upper shell includes a frame and a panel, the frame corresponds to the buckled lower shell, the panel is made of rubber material, and the panel edge is correspondingly fixed in the inner side of the frame.

[0021] A trolley for controlling the distance of the clean protective layer of steel bars, the trolley is provided with a monitoring device.

[0022] Beneficial effects: the monitoring device provided by the application can be arranged on the secondary lining trolley, and through the accurate cooperation between the multiple execution elements and the sensors, the monitoring device can monitor the distance between the surface of the trolley and the steel bar layer during the advancing of the trolley, so as to realize the real-time monitoring of the distance of the steel bar protective layer. This device does not need technical personnel to perform tedious manual measurement operation, significantly improves the work efficiency, and effectively reduces the labor intensity of the on-site technical personnel. BRIEF DESCRIPTION OF DRAWINGS

[0023] The drawings accompanying the specification of this application are used to provide a further understanding of the present application, the schematic embodiments of the present application and the explanations thereof are used to explain the present application, and do not constitute an improper limitation on the present application. Among them:

[0024] Figure 1 It is a circuit design schematic diagram of the detection device in the specific embodiment provided by the present application;

[0025] Figure 2 It is a structure diagram of the shell in the specific embodiment provided by the present application;

[0026] Figure 3The elastic spring piece assembly schematic diagram provided in the specific embodiment of the utility model.

[0027] Figure 4 The structure diagram of the chute in the specific embodiment provided by the utility model.

[0028] In the figure: 1, frame; 2, panel; 3, sliding block; 4, extension plate; 5, display module; 6, light emitting diode; 7, resistor; 8, distance measuring module; 9, relay; 10, controller; 11, buzzer; 12, quick socket; 13, elastic spring piece; 14, chute; 15, limiting groove. DETAILED DESCRIPTION

[0029] The technical scheme in the embodiments of the utility model will be described clearly and completely below, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art belong to the scope of protection of the utility model.

[0030] In the description of the utility model, the orientation or position relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" and the like is the orientation or position relationship shown based on the drawings, and is only for the convenience of describing the utility model and does not require the utility model to be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model. The terms "connected", "connected" used in the utility model should be understood broadly, for example, it can be fixed connection, can also be detachable connection, can be directly connected, also can be indirectly connected through intermediate parts, for the person skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0031] The utility model will be described in detail below with reference to the drawings and in combination with the embodiments. It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.

[0032] As Figures 1-4As shown, a kind of steel bar net protection layer distance control monitoring equipment, including ranging module 8, relay 9 and main body, ranging module 8 is used to measure the interval between itself and two lining steel bar layer, the interval between trolley surface and steel bar layer is monitored in the process of trolley advancing, so as to realize the real-time monitoring of steel bar protection layer interval.The controller 10 is arranged in the main body, the main body is distribution box or square box body, the controller 10 is preferably Arduino UNO R3 development board as the core control unit of equipment, carries ATmega328P microcontroller 10, with the maximum operating frequency of up to 20MHz and 20MIPS performance, powerful and widely used.Ardunio UNO R3 development board is responsible for the data acquisition, processing and control signal output of the whole equipment.Ardunio UNO R3 is equipped with multiple input / output interfaces, which can be easily connected with various sensors and execution elements, has strong expansibility and compatibility, can process data from sensors, and control the action of related components according to predetermined logic.

[0033] The controller 10 is connected to the input end of the ranging module 8 and the relay 9, and the controller 10 is also connected to the display module 5 and the warning module. The ranging module 8 measures the height of the two lining steel bar layer as the trolley advances. When the measured data reaches the threshold value, the alarm and the power-off function of the trolley advancement are triggered. Specifically, the output end of the relay 9 is connected to the main control circuit of the trolley. The power supply of the trolley is cut off through the relay 9, so as to avoid the trolley from bumping into the steel bar layer.

[0034] In this embodiment, the device is programmed through the setup and loop functions of Arduino code, so as to realize the function logic control. In this application, Arduino UNO R3 is a mature existing device, and the device control programming is a conventional technology, which will not be limited too much. In addition, the parameters of the steel bar distance range can be modified to flexibly adjust the on-site construction. The device can adapt to various specifications and operation requirements, so as to further improve the practicality and safety of the device.

[0035] When the measured distance is less than the set distance, the alarm and power-off components are activated immediately. When the distance of the object is greater than the set distance, only the alarm component is activated.

[0036] In this embodiment, the development board is equipped with 14 digital input / output pins (6 of which support PWM output), 6 analog inputs, a 16MHz ceramic resonator, a USB interface, a power jack, an ICSP interface and a reset button. The relay 9 is a KY-019 relay 9 module, which realizes the intelligent control function of the device, can control the switch of external high-voltage equipment according to the data collected by the sensor, and ensures that the device can trigger relevant alarms or other safety measures when needed.

[0037] The ranging module 8 is an ultrasonic ranging device, specifically an HC-SR04 ultrasonic sensor: widely used in distance measurement, obstacle detection and other projects. It has high precision, a measurement upper limit range of 4m, a measurement error of 3mm, no contact measurement, and high stability and strength, and is not easily affected by external interference.

[0038] The display module 5 is a TM1637-driven 4-digit nixie tube display. This module has the advantages of simplicity, comprehensive functionality, high stability and low cost. The TM1637-driven 4-digit nixie tube display module 5 can display the measurement data of the steel bar net protective layer in real time, and the technician can intuitively understand the current distance value. Its low power consumption and high reliability make it an important part of the device, suitable for long-term stable use.

[0039] The warning module includes a light-emitting diode 6 and a buzzer 11. The buzzer 11 is connected to the controller 10 through a quick socket 12. The quick socket 12 can be a Dupont socket. The active buzzer 11 is an easy-to-use alarm device that can emit a fixed frequency sound without external control signals. Its simple design and efficient function make it very suitable for use in such devices, for timely sound alarm when the steel bar net protective layer distance exceeds the preset range, reminding the operator to adjust.

[0040] The light-emitting diode 6 is connected to the controller 10 in series with a resistor 7. The diode in this device has unidirectional conductivity, rectification capability, fast response and anti-interference. These advantages of the diode make it play an important role in the circuit, effectively protecting the device from reverse current effects and ensuring stable operation of the system. The resistor 7 is a 220Ω resistor.

[0041] In an optional embodiment, in order to monitor the steel bar layer of multiple points at the same time, the ranging module 8 is provided in multiple, and the multiple ranging modules 8 are evenly distributed on the circumferential surface of the trolley, so that the steel bar layer corresponding to the same section can be monitored synchronously. Correspondingly, the light-emitting diode 6 is also multiple, and the multiple light-emitting diodes 6 correspond one-to-one to the multiple ranging modules 8.

[0042] In actual use, the light-emitting diode 6 and the corresponding ranging module 8 are bound, and the corresponding light-emitting diode 6 emits light when the measurement data of the ranging module 8 reaches the threshold value, thereby facilitating the operator to perform maintenance.

[0043] In an optional embodiment, the ranging module 8 is provided in the shell, and the shell is designed with 3D printing PETG material, which has good strength, transparency, chemical resistance and environmental protection, effectively ensuring the stability of the device during long-term operation and avoiding damage during use.

[0044] The shell comprises an upper shell and a lower shell which are buckled to each other, the upper shell of the shell is provided with a notch corresponding to a monitoring end of the distance measuring module 8; the notch comprises two holes corresponding to an ultrasonic output end and a receiving end of the distance measuring module 8 respectively, and the distance measuring module 8 is fixed on the lower surface of the upper shell in the form of screwing or gluing.

[0045] The lower surface of the lower shell is provided with a sliding block 3 which is in dovetail structure, and the trolley is provided with a sliding groove 14 corresponding to the sliding block 3 and extending along the circumferential surface of the upper surface of the trolley, and the sliding groove 14 is fixed to the upper surface of the trolley in the form of screwing or welding, so that the number and position of the distance measuring module 8 can be accurately adjusted according to actual requirements.

[0046] In the embodiment, in order to be able to position the shell of the distance measuring module 8, the shell is provided with an extension plate 4 corresponding to both sides of the sliding block 3, the interval between the extension plates 4 is matched with the sliding groove 14, and the lower surface of the extension plate 4 can be designed to be arc-shaped corresponding to the trolley. The side of the extension plate 4 close to the sliding groove 14 is provided with a middle protruding elastic limiting piece, the outer wall of the sliding groove 14 is provided with uniformly distributed limiting grooves 15 corresponding to the elastic limiting piece, and the elastic limiting piece can be an elastic spring piece 13 or a rubber protrusion. Taking the elastic spring piece 13 as an example, the elastic spring piece 13 passes through the corresponding limiting groove 15 by deformation, and after reaching the specified position, the elastic spring piece 13 is clamped into the limiting groove 15 to realize positioning.

[0047] Further, the upper shell comprises a frame 1 and a panel 2, the upper surface of the frame 1 is higher than the upper surface of the panel 2, the shape of the frame 1 is matched with the lower shell, the frame 1 is buckled to the lower shell and used for protecting the distance measuring module 8 in the middle, in addition, the panel 2 is made of rubber material, the edge of the panel 2 is fixed to the inner side of the frame 1, and the panel 2 is recessed downward by deformation when being pressed in the longitudinal direction, so as to avoid bumping and damaging the distance measuring module 8.

[0048] In an optional embodiment, the application further provides a trolley for controlling the distance of the clean protective layer of steel bars, and the trolley is provided with a monitoring device. The distance measuring module 8 of the monitoring device is adjusted in position and number according to actual requirements, and the corresponding controller 10 is arranged in a box, which is provided with an external corner code and a fixing clamp and used for being fixed to the trolley, and the box is designed in consideration of the maintainability and upgradability of the device, and a panel 2 DC power supply port and a communication interface are left on the left side, so as to facilitate subsequent hardware maintenance, module upgrading and system expansion. The technical personnel can conveniently connect an external power supply or perform data transmission, and the flexibility and application range are improved.

[0049] The above only describes the preferred embodiments of the application and is not used to limit the application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the application is within the protection scope of the application.

Claims

1. A monitoring device for controlling the distance between the net protective layer of steel bars, characterized in that: include: A distance measuring module, which is used to measure the distance between itself and the second lining steel bar layer; Relay, the output end of the relay is correspondingly connected to the main control circuit of the trolley; The main body includes a controller disposed therein, the controller being correspondingly connected to the distance measuring module and the input end of the relay, and the controller being correspondingly connected to a display module and an alarm module.

2. The monitoring device for controlling the distance between the net protective layer of steel bars according to claim 1 is characterized in that: The warning module includes a light emitting diode and a buzzer, and the buzzer is connected to the controller via a quick socket; The light emitting diode is connected in series with a resistor and then connected to the controller accordingly.

3. The monitoring device for controlling the distance between the net protective layer of steel bars according to claim 1 is characterized in that: The distance measuring module is an ultrasonic distance measuring device; The display module is a 4-digit digital tube display.

4. The monitoring device for controlling the distance between the net protective layer of steel bars according to claim 2 is characterized in that: There are multiple ranging modules, and the multiple ranging modules are evenly distributed in the circumferential direction of the upper surface of the trolley; There are a plurality of light emitting diodes, and the plurality of light emitting diodes correspond to the plurality of distance measuring modules in a one-to-one manner.

5. The monitoring device for controlling the distance between the net protective layer of steel bars according to claim 4 is characterized in that: The distance measuring module is arranged in a housing, and the housing comprises an upper housing and a lower housing that are buckled with each other, and the upper housing is provided with a notch corresponding to the monitoring end of the distance measuring module; A slider is provided on the lower surface of the lower shell, and a sliding groove corresponding to the slider and extending along the circumferential direction of the upper surface of the trolley is provided on the trolley.

6. The monitoring device for controlling the distance between the net protective layer of steel bars according to claim 5, characterized in that: The housing is provided with extension plates corresponding to both sides of the slider, and a side of the extension plate close to the slide groove is provided with an elastic limiting piece with a central protrusion, and the outer wall of the slide groove is provided with evenly distributed limiting grooves corresponding to the elastic limiting piece.

7. The monitoring device for controlling the distance between the net protective layer of steel bars according to claim 6, characterized in that: The upper shell includes a frame and a panel. The frame is buckled with the lower shell. The panel is made of rubber. The edge of the panel is fixed to the inner side of the frame.

8. A trolley for controlling the distance between the net protective layer of steel bars, characterized in that: The trolley is provided with the monitoring device according to any one of claims 1 to 7.

Images