Skid-mounted GNSS deformation monitoring device for coal mining subsidence area

Abstract

The utility model discloses a skid-mounted GNSS (Global Navigation Satellite System) deformation monitoring device for a coal mining subsidence area, which comprises a base, the top wall of the base is fixedly connected with an upright post, and the top of the upright post is connected with a detection assembly; a first reinforcing assembly is arranged in the base; according to the utility model, the design structure is reasonable, the base, the stand column and the detection assembly form a whole body, and then the base is reinforced by the first reinforcing assembly, so that the stability of the whole body in installation, disassembly and transportation is improved; meanwhile, the stress surface between the whole device and the foundation is prolonged through a second reinforcing assembly, so that the device can be better coupled with the foundation after being mounted, the device can keep stable detection work after being repeatedly used and mounted, and the problems that when an existing device is dismounted every time, a base needs to be broken firstly, and the detection efficiency is high are solved. And the problems that the dismounting and mounting processes each time are tedious, the construction period is long, and the equipment is easily damaged are solved.

Description

Technical Field

[0001] This utility model relates to the fields of geological disaster management and ecological engineering restoration technology, specifically a skid-mounted GNSS deformation monitoring device for coal mining subsidence areas. Background Technology

[0002] In coal mine goaf surface deformation monitoring, GNSS deformation monitoring is an important engineering technique. In practice, due to the fact that the stabilization time of goaf formed by fully mechanized mining and total caving roof management methods is mostly 1 to 3 years, the monitoring time of GNSS deformation monitoring devices is also mostly 1 to 3 years. After the completion of the phased monitoring task, the monitoring equipment needs to be disassembled and reinstalled as the working face advances, thus forming a rolling ground deformation monitoring method. Therefore, a large number of GNSS deformation monitoring devices are repeatedly disassembled and reinstalled every year in coal mine goaf areas.

[0003] When installing GNSS deformation detection devices, a base is poured, and a column is installed on the base. Then, GNSS and other components are installed on the column. Since the base is a poured concrete block, each time it is disassembled, the base must be broken up, the column and other components removed, and the device transported to the next installation location. Then, a new base is poured, and the column and other components are installed. This makes the disassembly and installation process cumbersome, which not only takes a long time but also easily damages the equipment. Utility Model Content

[0004] The purpose of this invention is to overcome the shortcomings of the existing technology and provide a skid-mounted GNSS deformation monitoring device for coal mining subsidence areas.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A skid-mounted GNSS deformation monitoring device for coal mining subsidence areas includes a base, a column fixedly connected to the top wall of the base, and a detection component connected to the top of the column; a first reinforcement component is provided inside the base to improve the overall stability of the base, column and detection component during skid mounting.

[0007] A second reinforcing component is also provided on the top of the base. One side of the second reinforcing component extends to the outside of the base and connects to the foundation. It is used to improve the overall stability between the base, column and detection component and the foundation after installation.

[0008] Furthermore, the base is made of cast concrete.

[0009] Furthermore, the distance between the bottom of the column and the top of the base is greater than or equal to half the height of the base.

[0010] Furthermore, the first reinforcing structure includes several reinforcing rods, all of which are installed inside the base and are connected in a crisscross pattern to form a steel cage for reinforcing the base.

[0011] Furthermore, at least two vertical reinforcing bars on the steel cage extend to the top of the base, and the portion of the reinforcing bar outside the base is bent to form a skid ring for skid-mounting and transporting the entire device.

[0012] Furthermore, the second reinforcement component includes several anchor plates, one end of which is hinged to the top of the base near the column. The side of the anchor plate away from the column extends to the outside of the base, and an anchor is provided on the side of the anchor plate outside the base so that the anchor is inserted into the ground to anchor the anchor plate to the ground.

[0013] Furthermore, the detection components include a GNSS antenna, with the bottom of the GNSS antenna mounted on top of the column.

[0014] Furthermore, solar photovoltaic panels are installed on the side of the column near the top.

[0015] Furthermore, a positioning ring is fixedly fitted on the outer side of the column, and several positioning rods are fixedly connected to the top of the positioning ring. A reinforcing plate is provided on the top of the positioning rods, and the bottom of the reinforcing plate contacts the top of the anchor plate.

[0016] A protective plate is inserted into the top of the reinforcing plate, and a limit hole is opened at the bottom of the protective plate. The limit hole is fitted onto the top of the positioning rod.

[0017] Compared with existing technologies, this skid-mounted GNSS deformation monitoring device for coal mining subsidence areas has the following advantages:

[0018] I. This utility model integrates a base, a column, and a detection component into a single unit. The first reinforcing component strengthens the base, thereby improving the overall stability during installation, disassembly, and transportation. Simultaneously, the second reinforcing component extends the load-bearing surface between the device and the foundation, resulting in better coupling between the device and the foundation after installation. This allows the device to maintain stable detection operation after repeated installations, thus solving the problem that existing devices require breaking the base each time they are disassembled, making each disassembly and installation process cumbersome, time-consuming, and prone to damaging the equipment.

[0019] Second, this utility model integrates easily damaged electronic components such as GNSS antennas, solar photovoltaic panels, and distribution boxes onto galvanized steel pipe columns, making the entire device more integrated. During repeated use, it can achieve skid-mounted installation and movement, thereby reducing equipment damage caused by repeated disassembly of components. Attached Figure Description

[0020] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0021] Figure 2 This is a cross-sectional view of the reinforcing plate in this utility model;

[0022] Figure 3 This is a three-dimensional structural diagram of the base in this utility model;

[0023] Figure 4 This is a cross-sectional view of the positioning ring in this utility model;

[0024] Figure 5 This is a cross-sectional view of the base in this utility model.

[0025] In the diagram: 1. Base; 2. Reinforcing rod; 3. Skid-mounted ring; 4. Column; 5. Anchor plate; 6. Hinge; 7. Anchor nail; 8. Anchor ring; 9. GNSS antenna; 10. Solar photovoltaic panel; 11. Distribution box; 12. Positioning ring; 13. Protective plate; 14. Positioning rod; 15. Reinforcing plate. Detailed Implementation

[0026] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0027] like Figure 1-5 As shown, this utility model provides a technical solution: a skid-mounted GNSS deformation monitoring device for coal mining subsidence areas, including a base 1, a column 4 fixedly connected to the top wall of the base 1, and a detection component connected to the top of the column 4; a first reinforcement component is provided inside the base 1 to improve the overall stability of the base 1, column 4 and detection component during skid mounting; a second reinforcement component is also provided on the top of the base 1, one side of which extends to the outside of the base 1 and connects to the foundation, to improve the overall stability between the base 1, column 4 and detection component and the foundation after installation.

[0028] In use, the base 1 and the detection component are integrated into a whole by the column 4, and a first reinforcement component is installed inside the base 1. By reinforcing the base 1, the stability of the device can be guaranteed under complex geological conditions, and the installation, transportation and disassembly of the whole device can be facilitated. At the same time, a second reinforcement component is further set on the base 1. The second reinforcement component increases the stress surface between the whole device and the foundation after installation, so that the coupling between the device and the foundation is better after the whole device is skid-mounted and the foundation can maintain the stability of the device after repeated use.

[0029] The base 1 is cast from C30 concrete. The distance between the bottom of the column 4 and the top of the base 1 is greater than or equal to half the height of the base 1 to ensure the stability of the connection between the column 4 and the base 1. The first reinforcing structure includes several reinforcing rods 2, which are all set inside the base 1 and are connected horizontally and vertically to form a steel cage for reinforcing the base 1. The steel cage is adapted to the shape of the base 1, which can be circular or square. At least two vertical reinforcing rods 2 on the steel cage extend to the top of the base 1, and the part of the reinforcing rod 2 outside the base 1 is bent to form a skid ring 3 for skid-mounting and transporting the entire device. Several skid rings 3 are evenly distributed around the column 4. If there are multiple skid rings 3, they are evenly distributed in a circular or square shape around the column 4 to maintain stability during hoisting and transportation.

[0030] In use, the reinforcing rod 2 is made of HRB335 steel bar with a diameter of 18mm. The vertical steel bar extends 20cm from the top of the base 1 to form a skid ring 3, and there are four of them, which are distributed in a rectangular shape around the column 4. Several reinforcing rods 2 reinforce the base 1 through the part located inside the base 1, and the part located outside the skid ring 3 is used to suspend the device to the skid ring 3 by pry bar or lifting ring, so as to transport the skid-mounted coal mining subsidence area GNSS deformation monitoring device.

[0031] The second reinforcement component includes several anchor plates 5. One end of each anchor plate 5 is hinged to the top of the base 1 near the column 4. The side of the anchor plate 5 away from the column 4 extends to the outside of the base 1. An anchor 7 is provided on the side of the anchor plate 5 located outside the base 1 so that the anchor 7 can be inserted into the ground to anchor the anchor plate 5 to the ground. In use, the column 4 is made of galvanized steel pipe with a diameter of not less than 20cm and a wall thickness of not less than 4mm. A hinge 6 is welded at the connection between the column 4 and the base 1. The hinge 6 connects the anchor plate 5, allowing the anchor plate 5 to move up and down in a fan shape, which facilitates the leveling and compaction of the foundation during installation. The anchor plate 5 is a galvanized steel plate of 20cm×90cm×2cm. The anchor 7 has a diameter of 18mm, a length of 2m, and an anchor ring 8 with a diameter of 10cm is formed at the top. The anchor 7 is inserted 25cm away from the edge of the galvanized steel plate and penetrates the anchor plate 5 into the ground, so that the coupling between the anchor plate 5 and the foundation is better and the stability of the monitoring device is controlled.

[0032] The detection components include a GNSS antenna 9, the bottom of which is mounted on the top of a column 4. A solar photovoltaic panel 10 is installed on the side of the column 4 near the top. During use, a distribution box 11 is also installed on the column 4. By integrating sensitive electronic components such as the GNSS antenna 9, solar photovoltaic panel 10, and distribution box 11 onto the galvanized steel pipe column 4, the overall integrity of the device is improved. During repeated use, it can be installed and moved in a skid-mounted manner, thereby reducing equipment damage caused by repeated disassembly of components. The GNSS antenna 9, solar photovoltaic panel 10, and distribution box 11 can all be installed using existing installation methods.

[0033] A positioning ring 12 is fixedly sleeved on the outer side of the column 4. Several positioning rods 14 are fixedly connected to the top of the positioning ring 12. A reinforcing plate 15 is provided on the top of each positioning rod 14, and the bottom of the reinforcing plate 15 contacts the top of the anchor plate 5. In use, the positioning ring 12 is annularly sleeved on the outside of the column 4 and welded to it. The upper surface of the positioning ring 12 is coplanar with the top of the base 1. A protrusion is welded to the outer side of the positioning ring 12, and a positioning rod 14 is welded to the top of the protrusion. The top is equipped with bolts and threads; the reinforcing plate 15 is square in shape with a circular hole in the middle, and is fitted onto the outside of the column 4. The surface is also provided with positioning holes corresponding to the number and position of the positioning rods 14. It is fitted onto the positioning rods 14 through the positioning holes and then fastened with bolts, so that the reinforcing plate 15 presses down to support the anchor plate 5, reducing the load on the hinge 6 after installation and extending its service life. The parts of the reinforcing plate 15 that contact the anchor plate 5 are smooth surfaces, and a flexible rubber pad is provided between them.

[0034] A protective plate 13 is inserted into the top of the reinforcing plate 15. A limiting hole is opened at the bottom of the protective plate 13, and the limiting hole is fitted onto the top of the positioning rod 14. In use, a circular hole is provided in the middle of the protective plate 13, which is fitted onto the outside of the column 4, and the bottom is inserted into the reinforcing plate 15, engaging with the reinforcing plate 15. This allows it to be fitted onto the top of several positioning rods 14 after installation, protecting the bolts and the top of the positioning rods 14. The bolts can be quick-release bolts, such as wing nuts with handles, and the top of the bolts contacts the inner wall of the limiting hole to improve disassembly efficiency. After fixing, the limiting hole restricts the bolts from loosening. The surfaces of the protective plate 13, the reinforcing plate 15, the positioning rods 14, and the positioning ring 12 are all coated with anti-rust and anti-corrosion coatings to improve service life.

[0035] During installation, a 1m×1m×1m foundation pit is first excavated. The original soil at the bottom of the pit is compacted, and foundation treatments such as 3:7 lime-soil replacement are performed. Then, the GNSS deformation monitoring device for coal mining subsidence areas is hoisted to the skid ring 3 using crowbars or lifting rings and placed in the foundation pit. The anchor plate 5 is then retracted, and the original soil within a 1m radius of the monitoring device foundation is compacted. Next, the anchor plate 5 is laid flat to ensure it is in perfect contact with the ground without gaps, and the anchors 7 are inserted into the ground to anchor the anchor plate 5 to the foundation. Finally, the site is leveled and cleaned, and the equipment is tested. At this point, the installation of the GNSS deformation monitoring device for coal mining subsidence areas is complete.

[0036] During dismantling, the device is first hoisted to the anchor ring 8 using a crowbar or lifting ring, and the anchor rod 7 is pulled out. Then, the reinforcing plate 15 is removed, thereby retracting the anchor plate 5. Next, part of the foundation sidewall soil is excavated, and the device is hoisted to the skid-mounted ring 3 using a crowbar or lifting ring to lift it out of the pit. Debris on the foundation surface is cleaned, and the device is carefully dragged and placed. Finally, the pit is backfilled, compacted, and the site is cleaned. At this point, the dismantling of the skid-mounted coal mining subsidence area GNSS deformation monitoring device is complete.

Claims

1. A skid-mounted GNSS deformation monitoring device for coal mining subsidence areas, comprising a base (1), wherein a column (4) is fixedly connected to the top wall of the base (1), and a detection component is connected to the top of the column (4); Its features are, The base (1) is provided with a first reinforcement component inside, which is used to improve the overall stability of the base (1), column (4) and detection component during the skid installation process; The base (1) is also provided with a second reinforcement component on its top. One side of the second reinforcement component extends to the outside of the base (1) and is connected to the foundation. It is used to improve the overall stability of the base (1), column (4) and detection component with the foundation after installation.

2. The skid-mounted GNSS deformation monitoring device for coal mining subsidence areas according to claim 1, characterized in that: The base (1) is formed by concrete casting.

3. The skid-mounted GNSS deformation monitoring device for coal mining subsidence areas according to claim 1, characterized in that: The distance between the bottom of the column (4) and the top of the base (1) is greater than or equal to half the height of the base (1).

4. The skid-mounted GNSS deformation monitoring device for coal mining subsidence areas according to claim 1, characterized in that: The first reinforcement component includes several reinforcing rods (2), all of which are disposed inside the base (1), and the several reinforcing rods (2) are connected horizontally and vertically to form a steel cage for reinforcing the base (1).

5. The skid-mounted GNSS deformation monitoring device for coal mining subsidence areas according to claim 4, characterized in that: The top of at least two vertical reinforcing rods (2) on the steel cage extends above the base (1), and the portion of the reinforcing rod (2) located outside the base (1) is bent to form a skid ring (3) for skid-mounting and transporting the entire device.

6. The skid-mounted GNSS deformation monitoring device for coal mining subsidence areas according to claim 1, characterized in that: The second reinforcement component includes a plurality of anchor plates (5), one end of which is hinged to the top of the base (1) near the column (4). The anchor plate (5) extends to the outside of the base (1) on the side away from the column (4), and an anchor (7) is provided on the side of the anchor plate (5) located outside the base (1) so that the anchor (7) is inserted into the ground to anchor the anchor plate (5) to the ground.

7. The skid-mounted GNSS deformation monitoring device for coal mining subsidence areas according to claim 1, characterized in that: The detection component includes a GNSS antenna (9), the bottom of which is mounted on top of a column (4).

8. The skid-mounted GNSS deformation monitoring device for coal mining subsidence areas according to claim 1, characterized in that: The column (4) is equipped with a solar photovoltaic panel (10) on the side near the top.

9. The skid-mounted GNSS deformation monitoring device for coal mining subsidence areas according to claim 6, characterized in that: A positioning ring (12) is fixedly sleeved on the outside of the column (4). A number of positioning rods (14) are fixedly connected to the top of the positioning ring (12). A reinforcing plate (15) is provided on the top of the number of positioning rods (14). The bottom of the reinforcing plate (15) is in contact with the top of the anchor plate (5). A protective plate (13) is inserted into the top of the reinforcing plate (15), and a limiting hole is opened at the bottom of the protective plate (13), which is sleeved on the top of the positioning rod (14).

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