Road engineering tunnel anchor rod construction monitoring system

Abstract

The utility model discloses an anchor rod construction monitoring system for a highway engineering tunnel. The anchor rod construction monitoring system comprises a sensor assembly, an anchor rod assembly and an anchor rod assembly, the central control machine receives parameters monitored by the sensor assembly, analyzes the parameters and forms output signals; the terminal displays corresponding content according to the output signal; the sensor assembly comprises a depth sensor, an angle sensor and a current sensor which are mounted on the trolley; the angle sensor comprises a steering angle sensor, the steering angle sensor comprises a photoelectric coupling element and a perforated groove plate, the perforated groove plate is arranged in the middle of the photoelectric coupling element, a steering wheel is arranged on the trolley, and the perforated groove plate is connected with the steering wheel; the photoelectric coupling element comprises a light-emitting diode and a photo-transistor; the perforated groove plate is arranged between the light-emitting diode and the photo-transistor; and small holes are formed in the perforated groove plate. The system realizes full monitoring of the construction process, detects the construction quality in real time, accurately monitors the highway engineering tunnel anchor rod construction process, and improves the construction quality.

Description

Technical Field

[0001] The utility model relates to the technical field of highway engineering, in particular to a highway engineering tunnel anchor construction monitoring system. Background Art

[0002] Anchor rods, also known as radial anchor rods, require that the driving angle must be perpendicular to the rock surface in order to achieve the maximum anchoring effect. However, in actual construction, the angle deviation of the anchor rod driving is very large, especially in the arch part, where the angle with the rock surface is only 10 to 20 degrees. The effective anchoring force of the main anchor rod is proportional to the effective length of the anchor rod, that is, the length of the anchor rod is proportional to the sin value of the angle of the surrounding rock of the anchor rod. That is, if the angle is only 20 degrees, the effective length of a 4-meter-long anchor rod is only 1.3 meters, which basically does not play an anchoring role. Therefore, the verticality of the anchor rod driving is very important. The tunnel anchor rod vehicles currently on the market have no central control interface and cannot display the angle of the anchor rod driving. They rely entirely on the operator's experience and cannot accurately monitor the construction process of highway engineering tunnel anchor rods.

[0003] Therefore, it is necessary to design a new system to realize full monitoring of the construction process and detect the construction quality in real time, accurately monitor the anchor construction process of highway engineering tunnels, and improve the construction quality. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide a highway engineering tunnel anchor construction monitoring system.

[0005] In order to solve the above technical problems, the purpose of the utility model is achieved through the following technical solutions: providing a highway engineering tunnel anchor construction monitoring system, including: a sensor assembly;

[0006] The sensor assembly includes an angle monitor mounted on the trolley drill arm;

[0007] The angle monitor is mounted on the trolley drill arm via a shock-absorbing mounting seat;

[0008] The shock-absorbing mounting seat comprises a guide rail arranged on the trolley drill arm, the guide rail is perpendicular to the trolley drill arm, the guide rail is provided with a slide seat, the slide seat is slidably connected to the guide rail, and the angle monitor is mounted on the slide seat;

[0009] The slide seat is provided with a damping spring for reducing vibration of the slide seat.

[0010] Its further technical solution is: the highway engineering tunnel anchor construction monitoring system also includes a central control computer and a terminal, the sensor component and the terminal are respectively connected to the central control computer, the sensor component is used to monitor the drilling parameters and construction equipment operation parameters in real time; the central control computer is used to receive the parameters monitored by the sensor component, and analyze them to form an output signal; the terminal is used to display the corresponding content according to the output signal.

[0011] Its further technical solution is: the angle sensor also includes a steering angle sensor, the steering angle sensor includes a photoelectric coupling element and a perforated slot plate, the perforated slot plate is placed in the middle of the photoelectric coupling element, the trolley is provided with a steering wheel, and the perforated slot plate is connected to the steering wheel.

[0012] A further technical solution is as follows: the photoelectric coupling element includes a light emitting diode and a photosensitive transistor; the perforated slot plate is placed between the light emitting diode and the photosensitive transistor.

[0013] A further technical solution is as follows: a plurality of small holes are arranged on the perforated slot plate.

[0014] Its further technical solution is: it also includes an early warning unit, and the early warning unit is connected to the central control machine.

[0015] A further technical solution is: the terminal is connected to the central control machine via a wireless communication module.

[0016] Its further technical solution is: a display screen is provided on the central control machine.

[0017] A further technical solution is: the central control machine is connected to the sensor assembly via a signal line.

[0018] A further technical solution is: the wireless communication module includes at least one of Bluetooth and WIFI.

[0019] Its further technical solution is: there are four guide rails, the four guide rails are arranged in parallel, and the four guide rails form a sliding cavity, the sliding seat is located in the sliding cavity, the cross-sectional shape of the guide rail is L-shaped, the guide rail is welded to the trolley drill arm, and a rib is welded between the guide rail and the trolley drill arm.

[0020] Its further technical solution is: the shock-absorbing spring includes an upper spring located above the slide seat and a lower spring located below the slide seat, the upper spring corresponds to the lower spring one by one, and the axis of the upper spring is coaxial with the axis of the lower spring.

[0021] Its further technical solution is: a positioning plate is provided at one end of the guide rail away from the trolley drill arm, and the positioning plate is welded to the guide rail, or the positioning plate is fixed to the guide rail by screws; one end of the upper spring is fixed to the slide seat, and the other end of the upper spring abuts against the positioning plate, and one end of the lower spring is fixed to the slide seat, and the other end of the lower spring abuts against the trolley drill arm.

[0022] Compared with the prior art, the utility model has the following beneficial effects: the utility model sets an angle monitor, which can monitor the angle of the trolley drill arm in real time. When the trolley drill arm angle is tilted, it can be discovered in time and corresponding correction can be made, thereby improving the construction quality.

[0023] In addition, the angle monitor is installed on the trolley drill arm through a shock-absorbing mount. The shock-absorbing mount is used to reduce the vibration generated by the slide, thereby providing the angle monitor with a better working environment. During the construction process, the vibration generated by the trolley drill arm has little effect on the angle monitor, thereby effectively improving the monitoring accuracy of the angle monitor and further improving the construction quality.

[0024] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0026] Figure 1 A schematic block diagram of a highway engineering tunnel anchor construction monitoring system provided by an embodiment of the utility model;

[0027] Figure 2 A schematic diagram of the installation method of an angle monitor in a highway engineering tunnel anchor construction monitoring system provided by an embodiment of the utility model;

[0028] Figure 3 A schematic diagram of a shock-absorbing mounting base in a highway engineering tunnel anchor construction monitoring system provided by an embodiment of the utility model;

[0029] Figure 4 A schematic diagram of a first angle of a slide in a highway engineering tunnel anchor construction monitoring system provided by an embodiment of the utility model;

[0030] Figure 5 A schematic diagram of a second angle of a slide in a highway engineering tunnel anchor construction monitoring system provided by an embodiment of the utility model;

[0031] Description of the symbols in the figure:

[0032] 10. Sensor assembly; 20. Central control machine; 30. Terminal.

[0033] 101. Angle monitor; 102. Trolley drill arm; 103. Slide seat; 104. Guide rail; 105. Shock-absorbing spring; 1051. Upper spring; 1052. Lower spring; 106. Positioning plate. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0035] It should be understood that when used in this specification and the appended claims, the terms "include" and "comprises" indicate the presence of described features, integers, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components and / or combinations thereof.

[0036] It should also be understood that the terms used in this utility model specification are only for the purpose of describing specific embodiments and are not intended to limit the utility model. As used in this utility model specification and the appended claims, unless the context clearly indicates otherwise, the singular forms "a", "an" and "the" are intended to include plural forms.

[0037] It should be further understood that the term “and / or” used in the present specification and the appended claims refers to any combination and all possible combinations of one or more of the associated listed items, and includes these combinations.

[0038] See also Figures 1 to 5 , Figure 1 A schematic block diagram of a highway engineering tunnel anchor construction monitoring system provided for an embodiment of the utility model can be used in the process of highway engineering tunnel anchor construction, combining the anchor drilling rig with information-based intelligent management and control technology to effectively improve the quality of engineering construction, reduce safety risks, shorten the tunnel excavation cycle, and reduce construction costs, thereby helping tunnel construction to achieve intelligent equipment and machinery, refined quality control, and intelligent engineering management.

[0039] See also Figures 2 to 5, a highway engineering tunnel anchor construction monitoring system, comprising: a sensor assembly 10;

[0040] The sensor assembly 10 includes an angle monitor 101 mounted on a trolley drill arm 102;

[0041] The angle monitor 101 is mounted on the trolley drill arm 102 via a shock-absorbing mounting seat;

[0042] The shock-absorbing mounting seat includes a guide rail 104 disposed on the trolley drill arm 102, the guide rail 104 is perpendicular to the trolley drill arm 102, the guide rail 104 is provided with a slide 103, the slide 103 is slidably connected to the guide rail 104, and the angle monitor 101 is mounted on the slide 103;

[0043] The slide seat 103 is provided with a damping spring 105 for reducing vibration of the slide seat 103 .

[0044] The angle monitor 101 is used to monitor the angle of the trolley drill arm 102 in real time. The trolley refers to mechanical equipment used to complete drilling operations. The trolley drill arm 102 refers to the part of the trolley used to support the drill rod. Usually, the trolley drill arm 102 is parallel to the drill rod. Therefore, the angle monitor 101 can be installed on the trolley drill arm 102 to monitor the angle of the drill rod.

[0045] When the drill rod is drilling, it may be subjected to certain vibrations, which may affect the accuracy of the angle monitor 101. Therefore, the vibrations generated by the angle monitor 101 should be minimized. To this end, the shock-absorbing mounting seat can absorb part of the vibrations, thereby reducing the impact of the vibrations of the trolley drill arm 102 on the slide 103, and further reducing the impact of the vibrations of the trolley drill arm 102 on the angle monitor 101.

[0046] In some embodiments: there are four guide rails 104, the four guide rails 104 are arranged in parallel, and the four guide rails 104 form a sliding cavity, the sliding seat 103 is located in the sliding cavity, the cross-sectional shape of the guide rail 104 is L-shaped, the guide rail 104 is welded to the trolley drill arm 102, and a rib is welded between the guide rail 104 and the trolley drill arm 102.

[0047] The slide 103 can be a long body, and the four corners of the slide 103 are respectively matched with the guide rail 104 to realize the guidance of the slide 103 by the guide rail 104. During the operation, the vibration of the trolley drill arm 102 may cause the slide 103 to be positioned a certain distance along the guide rail 104. During the movement, the slide 103 will not tilt under the guidance of the guide rail 104, which offsets part of the vibration and does not significantly affect the monitoring accuracy of the angle monitor 101.

[0048] In some embodiments: the shock-absorbing spring 105 includes an upper spring 1051 located above the slide 103 and a lower spring 1052 located below the slide 103, the upper spring 1051 corresponds to the lower spring 1052 one by one, and the axis of the upper spring 1051 is coaxial with the axis of the lower spring 1052.

[0049] A positioning plate 106 is provided at one end of the guide rail 104 away from the trolley drill arm 102, and the positioning plate 106 is welded to the guide rail 104, or the positioning plate 106 is fixed to the guide rail 104 by screws; one end of the upper spring 1051 is fixed to the slide seat 103, and the other end of the upper spring 1051 abuts against the positioning plate 106, and one end of the lower spring 1052 is fixed to the slide seat 103, and the other end of the lower spring 1052 abuts against the trolley drill arm 102.

[0050] The highway engineering tunnel anchor construction monitoring system also includes: a central control machine 20 and a terminal 30. The sensor component 10 and the terminal 30 are respectively connected to the central control machine 20. The sensor component 10 is used to monitor the drilling parameters and the operation parameters of the construction equipment in real time; the central control machine 20 is used to receive the parameters monitored by the sensor component 10, analyze them, and form an output signal; the terminal 30 is used to display the corresponding content according to the output signal.

[0051] Specifically, the sensor assembly 10 is fixed on the drilling equipment, that is, the trolley, and measures the parameters of the drilling and the operating parameters of the construction equipment to achieve real-time monitoring of the drilling process. The sensor assembly 10 will continuously collect data during the drilling process and send the data to the central control machine 20 through the communication interface. The central control machine 20 is the core of the entire device. It receives the data sent by the sensor assembly 10 and performs analysis and processing. The central control machine 20 will parse, calculate and process the data sent by the sensor assembly 10 to form an output signal. The terminal 30 is an interface for the user to interact with the system, and it can display the corresponding content according to the output signal. According to the output signal formed by the central control machine 20, the terminal 30 can display the relevant parameters of the drilling and the operating status of the construction equipment in real time, so that the user can understand the real-time situation during the drilling process.

[0052] The sensor assembly 10, the central control machine 20 and the terminal 30 together form a system for monitoring the anchor bolt construction process. Through continuous real-time monitoring, analysis and display, the anchor bolt construction process is fully controlled, and the construction efficiency and safety are improved.

[0053] Specifically, the central control machine 20 is connected to the sensor assembly 10 via a signal line, and a display screen is provided on the central control machine 20 to display corresponding content in real time, so that the operator can see the safe operation parameters of the equipment and the depth and angle of the drilling in real time, so as to grasp the operation status of the equipment in real time, find abnormal situations in time and take corresponding measures.

[0054] Specifically, the analysis process of the central control machine 20 is as follows: by inputting the tunnel model and parameters, a system algorithm program is formed: by inputting the parameters of the tunnel model such as the tunnel radius, anchor spacing, number, etc., the setting angle of each anchor position is automatically calculated. Since the tunnel anchors are arranged in a plum blossom shape, the system sets the AB surface, and the A surface is calculated from the centerline arch as the starting point. The calculation formula is: angle=90-(n-1)*L*180 / (πr), n is the number number, L is the anchor spacing, and r is the radius. The B surface is calculated from the 1 / 2 spacing on both sides of the centerline arch as the starting point, and the calculation formula is: angle=90-(n-1)*L*180 / (πr)-90*L / (πr).

[0055] In one embodiment, the sensor assembly 10 further includes a depth sensor, an angle sensor, and a current sensor installed on the trolley.

[0056] Depth sensors are installed on construction equipment to monitor the depth of drilling in real time by measuring the depth of the drill bit or drill rod relative to a reference position. Its working principle is generally to use ultrasonic, laser or other distance measurement principles to send and receive signals to calculate the distance from the drill bit to the ground or reference point, thereby determining the depth of the drill hole. Angle sensors are used to monitor the inclination angle of drilling equipment to ensure the verticality of the drill hole or oblique drilling at a specific angle. Its working principle is usually based on MEMS (Micro-Electro-Mechanical Systems) technology to determine the inclination angle of the drilling equipment by measuring tiny vibrations or deformations. Current sensors are used to monitor the current conditions of construction equipment, such as the working current of the motor, to determine the operating status and load conditions of the equipment. Its working principle is to measure the magnitude of the current by sensing the magnetic field or voltage drop generated by the current, thereby monitoring the current parameters of the equipment in real time.

[0057] Depth sensors, angle sensors and current sensors use different physical principles and sensing technologies in drilling equipment monitoring to achieve real-time monitoring of drilling depth, angle and equipment operating status, providing important data support for the safety and efficiency of the drilling process.

[0058] In one embodiment, the angle sensor includes a steering angle sensor, which includes a photoelectric coupling element and a perforated slot plate, which is placed in the middle of the photoelectric coupling element. The trolley is provided with a steering wheel, and the perforated slot plate is connected to the steering wheel.

[0059] In one embodiment, the photoelectric coupling element includes a light emitting diode and a photosensitive transistor; the perforated slot plate is placed between the light emitting diode and the photosensitive transistor.

[0060] In one embodiment, the perforated slot plate is provided with a plurality of small holes.

[0061] When the steering wheel is turned, the slot plate will rotate accordingly. The phototransistor responds to the light passing through the slot plate and outputs a digital pulse signal to compare the measured angle with the theoretical calculated angle to determine whether the setting angle is perpendicular to the setting surface. By setting the warning threshold of length and angle, the warning unit is used to warn the data exceeding the threshold.

[0062] The steering angle sensor of this embodiment uses the optical measurement principle to measure the steering angle. The sensor includes a light source and a photosensitive element (such as a photodiode or a photoelectric sensor). When the object rotates, the light source irradiates the object and is received by the photosensitive element after reflection. Based on the intensity or position of the received light signal, the sensor can calculate the rotation angle of the object.

[0063] Of course, in other embodiments, the steering angle sensor of this embodiment may also use a variable resistance element, such as a rotary potentiometer or an elastic film sensor. When the object rotates, the resistance value in the sensor changes. The sensor can determine the rotation angle by measuring the change in resistance. This type of sensor usually uses an analog output signal, and the size of the output signal is proportional to the rotation angle.

[0064] Specifically, each sensor carries an encoder that converts displacement into a periodic electrical signal, and then converts this electrical signal into a counting pulse, with the number of pulses representing the magnitude of the displacement. When the shaft rotates, there is a corresponding pulse output, and its counting starting point can be set arbitrarily, which can achieve unlimited accumulation and measurement of multiple turns. The measured value is compared with the set length, and it is qualified if it is greater than the set length.

[0065] The above-mentioned highway engineering tunnel anchor construction monitoring system also includes an early warning unit, which is connected to the central control computer 20.

[0066] In one embodiment, the terminal 30 is connected to the central control machine 20 via a wireless communication module.

[0067] Specifically, the wireless communication module includes at least one of Bluetooth and WIFI. The central control machine 20 is connected via Bluetooth, wifi, etc., so that on-site supervisors and technicians can check the quality parameters of the drilling.

[0068] In order to ensure the construction quality, monitor the entire construction process, and inspect the construction quality in real time, the key quality indicators are monitored during the construction process by integrating the Internet of Things (IoT) technology based on the use of tunnel anchor drilling trolleys. Various sensors and monitoring equipment are installed on the tunnel drilling trolley to collect and transmit data on the equipment operating status and key quality indicators in real time. The depth and angle of the drilling are displayed in real time on the interface of the central control machine 20, which improves the drilling quality.

[0069] The above-mentioned highway engineering tunnel anchor construction monitoring system, by setting up a sensor component 10, a central control computer 20 and a terminal 30, uses the sensor component 10 to monitor the parameters of the drilling and the operating parameters of the construction equipment in real time, and the central control computer 20 performs real-time analysis to form an output signal, which is displayed on the terminal 30, thereby realizing full monitoring of the construction process and real-time detection of the construction quality, accurately monitoring the highway engineering tunnel anchor construction process, and improving the construction quality.

[0070] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed by the utility model, and these modifications or replacements should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A highway engineering tunnel anchor construction monitoring system, characterized in that: include: A sensor component, a central control machine and a terminal, wherein the sensor component and the terminal are respectively connected to the central control machine, wherein the sensor component is used to monitor the parameters of the drilling and the operating parameters of the construction equipment in real time; the central control machine is used to receive the parameters monitored by the sensor component, analyze them and form an output signal; and the terminal is used to display corresponding content according to the output signal; The sensor assembly includes a depth sensor, an angle sensor and a current sensor mounted on the trolley; The angle sensor comprises a steering angle sensor, and the steering angle sensor comprises a photoelectric coupling element and a perforated slot plate, wherein the perforated slot plate is placed in the middle of the photoelectric coupling element, and a steering wheel is provided on the trolley, and the perforated slot plate is connected to the steering wheel; The photoelectric coupling element includes a light emitting diode and a photosensitive transistor; The perforated slot plate is placed between the light emitting diode and the phototransistor; The perforated slot plate is provided with a plurality of small holes.

2. A highway engineering tunnel anchor construction monitoring system according to claim 1, characterized in that: It also includes an early warning unit, which is connected to the central control machine.

3. A highway engineering tunnel anchor construction monitoring system according to claim 1, characterized in that: The terminal is connected to the central control machine via a wireless communication module.

4. A highway engineering tunnel anchor construction monitoring system according to claim 1, characterized in that: The central control machine is provided with a display screen.

5. A highway engineering tunnel anchor construction monitoring system according to claim 1, characterized in that: The central control machine is connected to the sensor assembly via a signal line.

6. A highway engineering tunnel anchor construction monitoring system according to claim 3, characterized in that: The wireless communication module includes at least one of Bluetooth and WIFI.

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