Roadway top safety assessment intelligent detection device
By designing an intelligent detection device for safety assessment at the top of the tunnel including a motor-driven knocking mechanism and a vibration sensor, the physical exhaust problem caused by long-term knocking tools in the prior art is solved, automatic knocking and vibration detection is realized, and operation efficiency and safety are improved.
Patent Information
- Application Number
- CN202411662897.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-20
- Publication Date
- 2025-03-28
AI Technical Summary
In the prior art, when conducting safety assessments at the top of the tunnel, operators need to raise their arms and hold the knocking tool for a long time to knock on the top of the tunnel and coal, resulting in a large amount of operational strength and physical strength consumption.
An intelligent detection device for safety assessment of the tunnel top safety assessment including a pallet, a fixing frame, a handle, a first mounting frame, a top knocking mechanism and a shock sensing mechanism is designed. The first toggle wheel is controlled to rotate through the motor, and the movable lever and a rotating rod are driven to rotate. The torsion spring is used to drive the knocking ball to automatically knock the tunnel top plate and coal gang, and the vibration condition is detected through the vibration sensor.
It realizes automatic knocking of the tunnel roof and coal gang during the operation process, reducing the working intensity and physical energy consumption, and improving the working efficiency and safety.
Smart Images
Figure CN119715207A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of coal mine safety, and in particular to an intelligent detection device for safety assessment of a tunnel top. Background Art
[0002] Tunnel roof safety assessment is an important part of coal mine safety production. It mainly determines whether the tunnel roof has the risk of roof collapse by conducting a series of tests, analyses and assessments on the stability of the rock formation at the tunnel roof. Roof knocking and roof vibration are commonly used safety protection measures in underground coal mine operations to detect whether the tunnel roof and coal wall are stable and prevent roof collapse accidents.
[0003] At present, when carrying out knocking and vibrating roof inspection operations, workers are required to hold knocking tools, start from a safe place, knock on the tunnel roof and coal wall in turn, listen to the knocking sound, and detect the vibration generated during the knocking process to identify whether there are potential delamination, looseness and other problems.
[0004] However, the existing technology requires workers to raise their arms for a long time to hold the knocking tools to knock on the tunnel roof and coal side, which results in high work intensity and physical exertion. Therefore, in response to the above problems, an intelligent detection device for tunnel top safety assessment has been developed that can automatically knock on the tunnel roof and coal side during the operation process, reduce work intensity and physical exertion, and is more labor-saving. Summary of the invention
[0005] In order to overcome the shortcomings of the prior art that requires workers to raise their arms for a long time to hold knocking tools to knock on the tunnel roof and coal side, which results in high work intensity and physical exertion, the present invention provides an intelligent detection device for tunnel top safety assessment that can automatically knock on the tunnel roof and coal side during the operation process, thereby reducing work intensity and physical exertion and saving effort.
[0006] Technical solution: An intelligent detection device for tunnel top safety assessment, including a support plate, a fixed frame, a handle, a first mounting frame, a top knocking mechanism and a vibration sensing mechanism. The right side of the support plate is connected to the fixed frame, the middle part of the fixed frame is connected to the handle, the right part of the fixed frame is connected to the first mounting frame, the first mounting frame is provided with a top knocking mechanism for automatically knocking on the tunnel roof and coal side, and the first mounting frame is provided with a vibration sensing mechanism for detecting the vibration conditions of the tunnel roof and coal side.
[0007] Preferably, the support plate is an arc-shaped structure.
[0008] Preferably, reinforcing ribs are provided between the fixing frame and the supporting plate.
[0009] Preferably, the knocking mechanism includes a motor, a first driving wheel, a rotating rod, a knocking ball, a movable driving rod and a torsion spring. The motor is connected to the middle part of the first mounting frame, the first driving wheel is connected to the motor output shaft, the right part of the first mounting frame is rotatably connected to the rotating rod, the front and rear sides of the rotating rod are connected to the first mounting frame with a torsion spring, the upper right part of the rotating rod is connected to a knocking ball, and the left part of the rotating rod is slidably connected to the movable driving rod. The rotation of the motor output shaft drives the first driving wheel to rotate, and the rotation of the first driving wheel drives the rotating rod to rotate on the first mounting frame through the movable driving rod. The torsion spring is deformed under the force, thereby driving the knocking ball to knock on the tunnel roof and coal seam.
[0010] Preferably, the vibration sensing mechanism includes a second mounting frame, a vibration sensor, a spring and a data terminal. The second mounting frame is connected to the upper left side of the first mounting frame, and the vibration sensor is slidably connected to the second mounting frame. A spring is connected between the vibration sensor and the first mounting frame, and a data terminal is connected to the upper side of the handle. The vibration sensor is electrically connected to the data terminal. Under the action of the spring, the vibration sensor contacts the tunnel roof and the coal side. The vibration of the tunnel roof and the coal side causes the vibration sensor to slide up and down on the second mounting frame. The vibration conditions of the tunnel roof and the coal side are detected by the vibration sensor, and the detection data is transmitted to the data terminal for display and recording.
[0011] Preferably, a switching mechanism is also included, which includes an electric push rod, a connecting frame and a second toggle wheel. The electric push rod is connected to the first mounting frame, the movable toggle rod is connected to the connecting frame, the telescopic end of the electric push rod is slidably and rotatably connected to the connecting frame, the second toggle wheel is connected to the motor output shaft, and the second toggle wheel is located on the rear side of the first toggle wheel. The connecting frame is driven backward by the telescopic end of the electric push rod, and the movement of the connecting frame drives the movable toggle rod to slide backward, so that the movable toggle rod contacts the second toggle wheel, thereby driving the movable toggle rod and the rotating rod to rotate through the second toggle wheel, so that the rotation amplitude of the rotating rod can be switched.
[0012] Preferably, a protective mechanism is also included, which includes a protective cover and a protective plate. The protective cover is connected to the upper side of the first mounting frame, and the protective plate is connected to the upper left side of the protective cover. The mechanical equipment on the first mounting frame is shielded and protected by the protective cover, and the vibration sensor is shielded and protected by the protective plate.
[0013] Preferably, a groove is provided at the lower right portion of the protective cover.
[0014] Beneficial effects: 1. The present invention controls the first driving wheel to rotate through a motor. The rotation of the first driving wheel drives the rotating rod and the knocking ball on the first mounting frame to rotate through the movable driving rod, and the knocking ball is repeatedly knocked under the action of the torsion spring, so that the tunnel roof and coal seam can be automatically knocked during the operation, reducing the working intensity and physical exertion, and having a more labor-saving effect.
[0015] 2. In the present invention, under the action of the spring, the vibration sensor is brought into contact with the tunnel roof and the coal wall. The vibration of the tunnel roof and the coal wall causes the vibration sensor to slide up and down on the second mounting frame, thereby achieving the effect of detecting the vibration conditions of the tunnel roof and the coal wall through the vibration sensor during the knocking process.
[0016] 3. The present invention drives the connecting frame to move through the telescopic end of the electric push rod, and the movement of the connecting frame drives the movable lever to move, thereby controlling the contact between the movable lever and the first and second driving wheels, thereby achieving the effect of switching the rotation amplitude of the rotating rod and adjusting the striking force of the knocking ball.
[0017] 4. The present invention shields and protects the mechanical equipment on the first mounting frame through a protective cover, and shields and protects the vibration sensor through a protective plate, thereby preventing the equipment from being damaged by gravel falling from the tunnel roof and coal seam. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.
[0019] Figure 2 It is a partial three-dimensional structural schematic diagram of the present invention.
[0020] Figure 3 It is a three-dimensional structural schematic diagram of the knocking mechanism of the present invention.
[0021] Figure 4 It is a structural schematic diagram of the vibration sensing mechanism of the present invention.
[0022] Figure 5 It is a partial three-dimensional structural schematic diagram of the vibration sensing mechanism of the present invention.
[0023] Figure 6 It is a structural schematic diagram of the switching mechanism of the present invention.
[0024] Figure 7 It is a schematic diagram of the three-dimensional structure of the switching mechanism of the present invention.
[0025] Figure 8 It is a three-dimensional structural schematic diagram of the protection mechanism of the present invention.
[0026] Explanation of the reference numerals: 1_support plate, 11_fixing frame, 12_handle, 13_first mounting frame, 2_knocking mechanism, 20_motor, 21_first driving wheel, 22_rotating rod, 23_knocking ball, 24_movable driving rod, 25_torsion spring, 3_vibration sensing mechanism, 30_second mounting frame, 31_vibration sensor, 32_spring, 33_data terminal, 4_switching mechanism, 40_electric push rod, 41_connecting frame, 42_second driving wheel, 5_protection mechanism, 50_protection cover, 51_protection plate. DETAILED DESCRIPTION
[0027] The present invention will be further described below in conjunction with the embodiments shown in the accompanying drawings.
[0028] An intelligent detection device for roadway top safety assessment, such as Figure 1 and Figure 2 As shown, it includes a support plate 1, a fixing frame 11, a handle 12, a first mounting frame 13, a top knocking mechanism 2 and a shock sensing mechanism 3. The fixing frame 11 is connected to the right side of the support plate 1, the handle 12 is connected to the middle part of the fixing frame 11, the right part of the fixing frame 11 is connected to the first mounting frame 13, the first mounting frame 13 is provided with the top knocking mechanism 2, and the shock sensing mechanism 3 is provided on the first mounting frame 13.
[0029] like Figure 1 and Figure 3 As shown, the knocking mechanism 2 includes a motor 20, a first driving wheel 21, a rotating rod 22, a knocking ball 23, a movable driving rod 24 and a torsion spring 25. The motor 20 is connected to the middle part of the first mounting frame 13, the first driving wheel 21 is connected to the output shaft of the motor 20, the right part of the first mounting frame 13 is rotatably connected to the rotating rod 22, the front and rear sides of the rotating rod 22 are connected to the first mounting frame 13 with a torsion spring 25, the upper right part of the rotating rod 22 is connected to the knocking ball 23, and the left part of the rotating rod 22 is slidably connected to the movable driving rod 24.
[0030] like Figure 1 , Figure 4 and Figure 5 As shown, the vibration sensing mechanism 3 includes a second mounting frame 30, a vibration sensor 31, a spring 32 and a data terminal 33. The second mounting frame 30 is connected to the upper left side of the first mounting frame 13, the vibration sensor 31 is slidably connected to the second mounting frame 30, a spring 32 is connected between the vibration sensor 31 and the first mounting frame 13, the data terminal 33 is connected to the upper side of the handle 12, and the vibration sensor 31 is electrically connected to the data terminal 33.
[0031] like Figure 5-Figure 7As shown, a switching mechanism 4 is also included, which includes an electric push rod 40, a connecting frame 41 and a second toggle wheel 42. The electric push rod 40 is connected to the first mounting frame 13, and the movable toggle rod 24 is connected to the connecting frame 41. The telescopic end of the electric push rod 40 is slidably and rotatably connected to the connecting frame 41. The second toggle wheel 42 is connected to the output shaft of the motor 20, and the second toggle wheel 42 is located at the rear side of the first toggle wheel 21.
[0032] like Figure 1 and Figure 8 As shown, a protection mechanism 5 is also included, and the protection mechanism 5 includes a protection cover 50 and a protection plate 51. The upper side of the first mounting frame 13 is connected to the protection cover 50, and the upper left side of the protection cover 50 is connected to the protection plate 51.
[0033] When the present invention is in use, the operator first needs to hold the handle 12 to pick up the present invention, and support the support plate 1 against the operator's abdomen or thigh to support it, and then start the motor 20. The output shaft of the motor 20 rotates to drive the first toggle wheel 21 and the second toggle wheel 42 to rotate. The first toggle wheel 21 rotates through the movable toggle rod 24 to drive the rotating rod 22 to rotate on the first mounting frame 13, and the torsion spring 25 is deformed by the force, thereby driving the knocking ball 23 to knock on the tunnel roof and the coal side. After the first toggle wheel 21 is separated from the movable toggle rod 24, the torsion spring 25 rebounds and drives the rotating rod 22 and the knocking ball 23 to rotate and reset, so that the knocking ball 23 can repeatedly knock on the tunnel roof and the coal side. During the knocking process, the vibration sensor 31 is in contact with the tunnel roof and the coal side under the action of the spring 32. The tunnel roof and the coal side vibrate, causing the vibration sensor 31 to be on the second mounting frame 30 It slides up and down, detects the vibration conditions of the tunnel roof and coal seam through the vibration sensor 31, and transmits the detection data to the data terminal 33 for display and recording. When performing the knocking operation, the mechanical equipment on the first mounting frame 13 is shielded and protected by the protective cover 50, and the vibration sensor 31 is shielded and protected by the protective plate 51, which can prevent the equipment from being damaged by the debris falling from the tunnel roof and coal seam. When the knocking force needs to be adjusted, the telescopic end of the electric push rod 40 can drive the connecting frame 41 to move backward, and the movement of the connecting frame 41 drives the movable lever 24 to slide backward, so that the movable lever 24 contacts the second driving wheel 42. At this time, the movable lever 24 and the rotating rod 22 are driven to rotate by the second driving wheel 42, so that the rotation amplitude of the rotating rod 22 can be switched and adjusted to control the knocking force of the knocking ball 23. After the operation is completed, the motor 20 can be turned off.
[0034] The above embodiments are only preferred embodiments of the present invention and are not intended to limit the scope of implementation of the present invention. Therefore, all equivalent changes made to the contents described in the claims of the present invention should be included in the scope of the claims of the present invention.
Claims
1. An intelligent detection device for tunnel top safety assessment, characterized in that: The invention comprises a supporting plate (1), a fixing frame (11), a handle (12), a first mounting frame (13), a top knocking mechanism (2) and a vibration sensing mechanism (3), wherein the right side of the supporting plate (1) is connected to the fixing frame (11), the middle part of the fixing frame (11) is connected to the handle (12), the right part of the fixing frame (11) is connected to the first mounting frame (13), the first mounting frame (13) is provided with a top knocking mechanism (2) for automatically knocking the tunnel roof and the coal wall, and the first mounting frame (13) is provided with a vibration sensing mechanism (3) for detecting the vibration conditions of the tunnel roof and the coal wall.
2. The intelligent detection device for tunnel top safety assessment as claimed in claim 1, characterized in that: The supporting plate (1) is an arc-shaped structure.
3. The intelligent detection device for tunnel top safety assessment as claimed in claim 2, characterized in that: Reinforcing ribs are provided between the fixing frame (11) and the supporting plate (1).
4. The intelligent detection device for tunnel top safety assessment as claimed in claim 3, characterized in that: The knocking mechanism (2) comprises a motor (20), a first driving wheel (21), a rotating rod (22), a knocking ball (23), a movable driving rod (24) and a torsion spring (25). The middle part of the first mounting frame (13) is connected with the motor (20), the output shaft of the motor (20) is connected with the first driving wheel (21), the right part of the first mounting frame (13) is rotatably connected with the rotating rod (22), and the torsion spring (25) is connected between the front and rear sides of the rotating rod (22) and the first mounting frame (13). 25), a knocking ball (23) is connected to the upper right part of the rotating rod (22), a movable lever (24) is slidably connected to the left part of the rotating rod (22), the output shaft of the motor (20) rotates to drive the first toggle wheel (21) to rotate, the first toggle wheel (21) rotates through the movable lever (24) to drive the rotating rod (22) to rotate on the first mounting frame (13), the torsion spring (25) is deformed under force, thereby driving the knocking ball (23) to knock the tunnel roof and coal seam.
5. The intelligent detection device for tunnel top safety assessment as claimed in claim 4, characterized in that: The vibration sensing mechanism (3) comprises a second mounting frame (30), a vibration sensor (31), a spring (32) and a data terminal (33). The second mounting frame (30) is connected to the upper left side of the first mounting frame (13). The second mounting frame (30) is slidably connected to the vibration sensor (31). A spring (32) is connected between the vibration sensor (31) and the first mounting frame (13). The upper side of the handle (12) is connected to the data terminal (33). The vibration sensor (31) and the data terminal (33) are electrically connected. Under the action of the spring (32), the vibration sensor (31) contacts the tunnel roof and the coal wall. The vibration of the tunnel roof and the coal wall causes the vibration sensor (31) to slide up and down on the second mounting frame (30). The vibration of the tunnel roof and the coal wall is detected by the vibration sensor (31), and the detected data is transmitted to the data terminal (33) for display and recording.
6. The intelligent detection device for tunnel top safety assessment as claimed in claim 5, characterized in that: The invention also comprises a switching mechanism (4), which comprises an electric push rod (40), a connecting frame (41) and a second toggle wheel (42). The first mounting frame (13) is connected to the electric push rod (40), the connecting frame (41) is connected to the movable toggle rod (24), the telescopic end of the electric push rod (40) is connected to the connecting frame (41) in a sliding and rotatable manner, the output shaft of the motor (20) is connected to the second toggle wheel (42), the second toggle wheel (42) is located at the rear side of the first toggle wheel (21), the telescopic end of the electric push rod (40) drives the connecting frame (41) to move backward, the movement of the connecting frame (41) drives the movable toggle rod (24) to slide backward, so that the movable toggle rod (24) contacts the second toggle wheel (42), thereby driving the movable toggle rod (24) and the rotating rod (22) to rotate through the second toggle wheel (42), and the rotation amplitude of the rotating rod (22) can be switched.
7. The intelligent detection device for tunnel top safety assessment as claimed in claim 6, characterized in that: The invention also comprises a protection mechanism (5), the protection mechanism (5) comprising a protection cover (50) and a protection plate (51), the upper side of the first mounting frame (13) is connected to the protection cover (50), the upper left side of the protection cover (50) is connected to the protection plate (51), the mechanical equipment on the first mounting frame (13) is shielded and protected by the protection cover (50), and the vibration sensor (31) is shielded and protected by the protection plate (51).
8. The intelligent detection device for tunnel top safety assessment as claimed in claim 7, characterized in that: The lower right part of the protective cover (50) is provided with a groove.