Surrounding rock deformation monitoring device for shallow-buried tunnel construction
By combining components such as a base plate, inclined frame, stepper motor, worm gear, worm wheel, and square frame, the laser rangefinder achieves multi-directional swing, solving the problems of small monitoring area and blind spots, acquiring three-dimensional data of surrounding rock deformation, and improving the adaptability and flexibility of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-09
- Publication Date
- 2026-03-27
AI Technical Summary
In existing technologies, stepper motors can only drive the laser rangefinder to swing circumferentially, resulting in a small monitoring area, increased blind spots, and an inability to acquire more data on the surrounding rock surface.
The system uses a combination of components such as a base plate, inclined frame, stepper motor, worm gear, worm wheel, and square frame. The first stepper motor drives the worm gear to rotate, the worm wheel drives the support plate to swing left and right, and the second stepper motor drives the transmission table to rotate, so as to realize the left and right and forward and backward swing of the laser rangefinder, expand the monitoring area and perform three-dimensional scanning.
The laser beam covers a larger monitoring area, reduces blind spots, acquires more data on the surrounding rock surface, provides three-dimensional information on surrounding rock deformation, and improves the adaptability and flexibility of the equipment.
Smart Images
Figure CN224051277U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to tunnel construction equipment technical field, concretely is a surrounding rock deformation monitoring device for shallow tunnel construction. BACKGROUND
[0002] The overburden above the shallow tunnel is relatively thin, and the stability of the surrounding rock is more directly affected by factors such as geological structure and stratum lithology. For example, in soft soil stratum, the self-stability of the surrounding rock is poor, and collapse is prone to occur; in a broken zone, the surrounding rock may appear block peeling and other deformation conditions. The surrounding rock deformation monitoring device for shallow tunnel construction is a device for monitoring the surrounding rock during tunnel construction. The device is placed on the surrounding rock during use, and the surrounding rock can be automatically detected by controlling the device.
[0003] The common surrounding rock deformation monitoring device includes a main body and a secondary body. During use, the secondary body is first installed on the top of the surrounding rock, and then the swing of the laser range finder is driven by the stepping motor inside the secondary body, so that the top deformation of the surrounding rock can be monitored.
[0004] However, this method can only drive the laser range finder to swing in the circumferential direction, resulting in a small monitoring area covered by the laser beam, which cannot obtain more data on the surface of the surrounding rock and increases the monitoring blind area, and cannot meet the working requirements of the tunnel construction equipment. Therefore, a surrounding rock deformation monitoring device for shallow tunnel construction is proposed. UTILITY MODEL CONTENTS
[0005] (I) Technical problem solved
[0006] In view of the deficiencies of the prior art, the utility model provides a surrounding rock deformation monitoring device for shallow tunnel construction to solve the technical problem that the stepping motor can only drive the laser range finder to swing in the circumferential direction, resulting in a small monitoring area covered by the laser beam, which cannot obtain more data on the surface of the surrounding rock and increases the monitoring blind area.
[0007] (II) Technical scheme
[0008] To achieve the above purpose, the utility model provides the following technical scheme: a surrounding rock deformation monitoring device for shallow tunnel construction, comprising:
[0009] The bottom plate is connected to the inclined frame at both ends, the first stepping motor is installed on the top left side of the bottom plate, and the second stepping motor is installed on the top right side of the bottom plate.
[0010] The assembly plate is welded to the top left and right sides of the bottom plate, the transmission table is installed on the outside of the assembly plate, the rotor outer end of the first stepping motor penetrates the inside of the right transmission table, and the rotor outer end of the first stepping motor is coaxially connected to the worm.
[0011] The connecting arm is welded on the top of the transmission table, the top end of the connecting arm is provided with a square frame, the inside of the square frame is provided with an assembly block on the front and back sides, the inside of the assembly block is provided with a worm gear, the outside of the assembly block is connected with a support plate through a rotating shaft, the top end of the support plate is welded with a mounting table, and the top of the mounting table is provided with a laser range finder.
[0012] Preferably, the top end of the inclined frame is connected with an angle code, and the two groups of inclined frames are symmetrically arranged, and the inside of the angle code is provided with a through groove.
[0013] Preferably, the worm gear is engaged with the worm, and the outer end of the rotor of the second stepper motor is coaxially connected with the outside of the right transmission table, so that transmission is facilitated.
[0014] Preferably, the inside of the worm gear and the support plate is connected with the assembly block through a rotating shaft, and the length of the support plate is greater than the diameter of the worm gear, so that interference is avoided.
[0015] Preferably, the four corners of the square frame and the assembly block are circularly arranged, and the two sides of the laser range finder are connected with the middle position of the top of the mounting table through a foot support and a bolt, so that the laser range finder is convenient to disassemble and assemble.
[0016] (Three) beneficial effects
[0017] Compared with the prior art, the utility model provides a surrounding rock deformation monitoring device for shallow tunnel construction, which has the following beneficial effects:
[0018] The surrounding rock deformation monitoring device for shallow tunnel construction drives the rotation of the worm through the first stepper motor, so that the left and right swinging of the support plate and the mounting table can be driven through the worm gear, and the rotation of the right transmission table can be driven through the second stepper motor, so that the front and back swinging of the support plate and the mounting table can be driven through the square frame, the laser beam can cover a larger monitoring area, more data of the surface of the surrounding rock can be obtained, the deformation of the surrounding rock can be more comprehensively understood, the monitoring blind area can be reduced, the left and right and front and back swinging of the laser range finder can realize three-dimensional scanning of the surface of the surrounding rock, three-dimensional data of the deformation of the surrounding rock can be obtained, more abundant information can be provided for analyzing the spatial distribution and change trend of the deformation of the surrounding rock, and because the deformation of the surrounding rock is complex and changeable in the construction of the shallow tunnel, the multi-directional swinging function of the laser range finder makes it better adapt to different construction environments and surrounding rock conditions, and the adaptability and flexibility of the equipment are improved. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 The utility model structural schematic diagram is provided;
[0020] Figure 2The utility model discloses a bottom plate top structure schematic diagram.
[0021] Figure 3 The utility model discloses a square frame internal structure schematic diagram.
[0022] In the drawing: 1, bottom plate, 2, inclined frame, 3, corner code, 4, first step motor, 5, second step motor, 6, assembly board, 7, transmission platform, 8, connecting arm, 9, square frame, 10, worm, 11, assembly block, 12, support plate, 13, worm wheel, 14, mounting platform, 15, laser range finder. DETAILED DESCRIPTION
[0023] The technical scheme 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 and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.
[0024] The utility model provides a kind of technical scheme, a surrounding rock deformation monitoring device for shallow-buried tunnel construction, including bottom plate 1, inclined frame 2, corner code 3, first step motor 4, second step motor 5, assembly board 6, transmission platform 7, connecting arm 8, square frame 9, worm 10, assembly block 11, support plate 12, worm wheel 13, mounting platform 14 and laser range finder 15:
[0025] Please refer to Figure 1 , bottom plate 1, the left and right ends of bottom plate 1 are connected with inclined frame 2, the top left side of bottom plate 1 is equipped with first step motor 4, the top right side of bottom plate 1 is equipped with second step motor 5, the top of inclined frame 2 is connected with corner code 3, two groups of inclined frame 2 are symmetrically arranged, and the inside of corner code 3 is provided with through slot;
[0026] Please refer to Figure 2 , assembly board 6 is welded on the top left and right sides of bottom plate 1, and the outside of assembly board 6 is equipped with transmission platform 7, the rotor outer end of first step motor 4 penetrates the inside of right transmission platform 7, and the rotor outer end of first step motor 4 is coaxially connected with worm 10.
[0027] Connecting arm 8 is welded on the top of transmission platform 7, and the top of connecting arm 8 is equipped with square frame 9, please refer to Figure 3The interior of the square frame 9 is provided with an assembly block 11 on both sides, the interior of the assembly block 11 is provided with a worm gear 13, the outer side of the assembly block 11 is connected with a support plate 12 through an axis, the top end of the support plate 12 is welded with a mounting table 14, the top of the mounting table 14 is provided with a laser range finder 15, the rotation of the worm 10 is driven by the first stepping motor 4, so that the left and right swinging of the support plate 12 and the mounting table 14 can be driven by the worm gear 13, the rotation of the right transmission table 7 can be driven by the second stepping motor 5, and then the front and back swinging of the support plate 12 and the mounting table 14 can be driven by the square frame 9, so that the laser beam can cover a larger monitoring area and obtain more data of the surrounding rock surface, so that the deformation of the surrounding rock can be more comprehensively understood, the monitoring blind area is reduced, and the left and right and front and back swinging of the laser range finder 15 can realize three-dimensional scanning of the surface of the surrounding rock, three-dimensional data of the deformation of the surrounding rock is obtained, more information is provided for analyzing the spatial distribution and change trend of the deformation of the surrounding rock, and the multi-directional swinging function of the laser range finder 15 can better adapt to different construction environments and surrounding rock conditions, the adaptability and flexibility of the equipment are improved, the worm gear 13 is engaged with the worm 10, the outer end of the rotor of the second stepping motor 5 is coaxially connected with the outer side of the right transmission table 7, the interiors of the worm gear 13 and the support plate 12 are connected with the assembly block 11 through axes, the lengths of the support plates 12 are greater than the diameters of the worm gears 13, the outer four corners of the square frame 9 and the assembly block 11 are provided with round corners, and the two sides of the laser range finder 15 are connected with the middle position of the top of the mounting table 14 through a foot support and a bolt.
[0028] The rotation of the worm 10 is driven by the first stepping motor 4, so that the left and right swinging of the support plate 12 and the mounting table 14 can be driven by the worm gear 13, the rotation of the right transmission table 7 can be driven by the second stepping motor 5, and then the front and back swinging of the support plate 12 and the mounting table 14 can be driven by the square frame 9, so that the laser beam can cover a larger monitoring area and obtain more data of the surrounding rock surface, so that the deformation of the surrounding rock can be more comprehensively understood, the monitoring blind area is reduced, and the left and right and front and back swinging of the laser range finder 15 can realize three-dimensional scanning of the surface of the surrounding rock, three-dimensional data of the deformation of the surrounding rock is obtained, more information is provided for analyzing the spatial distribution and change trend of the deformation of the surrounding rock, and the multi-directional swinging function of the laser range finder 15 can better adapt to different construction environments and surrounding rock conditions, the adaptability and flexibility of the equipment are improved.
[0029] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0030] 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 monitoring deformation of surrounding rock in shallow tunnel construction, characterized in that, Include: The bottom plate (1), the left and right ends of the bottom plate (1) are connected with inclined shelves (2), the top left side of the bottom plate (1) is provided with a first stepping motor (4), and the top right side of the bottom plate (1) is provided with a second stepping motor (5); The assembly plate (6) is welded on the top left and right sides of the bottom plate (1), the outer side of the assembly plate (6) is provided with a transmission table (7), the outer end of the rotor of the first stepping motor (4) penetrates the inside of the right transmission table (7), and the outer end of the rotor of the first stepping motor (4) is coaxially connected with a worm (10); The connecting arm (8) is welded on the top of the transmission table (7), the top end of the connecting arm (8) is provided with a square frame (9), the inside of the square frame (9) is provided with an assembly block (11) on the front and rear sides, the inside of the assembly block (11) is provided with a worm gear (13), the outer side of the assembly block (11) is connected with a support plate (12) through a rotating shaft, the top end of the support plate (12) is welded with a mounting table (14), and the top of the mounting table (14) is provided with a laser range finder (15).
2. The surrounding rock deformation monitoring device for shallow tunnel construction according to claim 1, characterized in that: The top end of the inclined shelf (2) is connected with an angle code (3), and the two groups of inclined shelves (2) are symmetrically arranged, and the inside of the angle code (3) is provided with a through groove.
3. The surrounding rock deformation monitoring device for shallow tunnel construction of claim 1, characterized in that: The worm gear (13) is engaged with the worm (10), and the outer end of the rotor of the second stepping motor (5) is coaxially connected with the outer side of the right transmission table (7).
4. The surrounding rock deformation monitoring device for shallow tunnel construction of claim 1, characterized in that: The inside of the worm gear (13) and the support plate (12) is connected with the assembly block (11) through a rotating shaft, and the length of the support plate (12) is greater than the diameter of the worm gear (13).
5. The surrounding rock deformation monitoring device for shallow tunnel construction of claim 1, characterized in that: The four corners of the square frame (9) and the assembly block (11) are circularly arranged, and the two sides of the laser range finder (15) are connected with the top middle position of the mounting table (14) through the foot stool and the bolt.