An explosion-proof array displacement meter that is easy to install

Abstract

The present invention discloses an explosion-proof array displacement meter that is easy to install, and relates to the technical field of array displacement meters. When facing the influence of blasting vibration, the fixing method of the array displacement meter is often difficult to ensure its stability in the soil. Under the strong vibration caused by blasting, the general insertion type installation is prone to the situation that the displacement meter becomes loose, skewed, or even falls out of the soil. This will not only affect the accuracy of the measurement, but may also cause damage to the displacement meter, making it impossible to continue monitoring. The present invention isolates the inner and outer soil to form a stable structure, resists the influence of blasting vibration and external force, and eliminates internal hollowing, thereby enhancing the connection stability between the overall structure and the soil, providing a reliable installation foundation for the displacement meter, ensuring that the soil displacement changes can be accurately sensed under complex soil environments and blasting vibrations, ensuring the normal operation of the displacement meter, and improving the reliability of the measurement data.

Description

Technical Field

[0001] The invention relates to the technical field of array displacement meters, in particular to an explosion-proof array displacement meter which is easy to install. Background Art

[0002] An array displacement meter is a precision instrument used to measure the displacement changes of an object. It is usually composed of multiple sensors and can monitor displacements in multiple directions at the same time. In the engineering field, array displacement meters are widely used in slope monitoring, tunnel deformation monitoring, bridge structure monitoring, etc. Through real-time collection and analysis of displacement data, the stability and safety of the structure can be understood in a timely manner, providing an important basis for the design, construction and maintenance of the project.

[0003] In this regard, the patent CN115451885A discloses a displacement meter quick locking device, an array displacement meter and an installation method, wherein the displacement meter quick locking device includes an elastic support plate structure and a locking structure; the elastic support plate structure includes two fastening rings and a plurality of adjacent claw plates, the claw plates are arranged between the two fastening rings and connected to the fastening rings, a grid is formed between the two adjacent claw plates, and the two fastening rings and the plurality of claw plates form a cylindrical structure adapted to the displacement meter housing; a locking hole adapted to the locking structure is formed on the fastening ring; the locking structure includes a locking rack and a locking nut, the locking rack is passed through the locking hole and wound around the outer wall of the fastening ring, a mounting position for the locking nut is formed on the locking rack, and the locking nut is meshed with the locking rack. Compared with the assembly process of the construction personnel manually breaking open the support claws in the prior art, the displacement meter quick locking device provided in the present application can complete the support claws with one push and one lock, which is convenient and quick, and improves the installation efficiency of the array displacement meter.

[0004] At present, in the existing technology, when facing the impact of blasting vibration, the fixing method of the array displacement meter is often difficult to ensure its stability in the soil. Under the strong vibration caused by blasting, the general insertion installation can easily cause the displacement meter to loosen, tilt or even fall out of the soil. This will not only affect the accuracy of the measurement, but may also cause damage to the displacement meter and make it impossible to continue monitoring. Moreover, in the soil environment, due to the looseness and instability of the soil, it is difficult to provide sufficient support and fixing effect by simply relying on the method of inserting it into the soil, especially when it is frequently impacted by blasting vibration. The position of the displacement meter is prone to change, thereby affecting the reliability of the monitoring data.

[0005] In view of the above problems, an explosion-proof array displacement meter which is easy to install is proposed. Summary of the invention

[0006] The purpose of the present invention is to provide an explosion-proof array displacement meter that is easy to install, thereby solving the problem of limited detection depth in the background technology.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an explosion-proof array displacement meter that is easy to install, comprising a cutting tube, a monitoring feedback unit is arranged inside the cutting tube, the monitoring feedback unit comprises an explosion-proof sleeve, the top and bottom ends of the explosion-proof sleeve are connected with a fastening nut, a flexible coupling belt is embedded inside the fastening nut, a sensor rod is connected to the bottom end of the flexible coupling belt, the sensor rod extends from the inside of the fastening nut to the inside of the explosion-proof sleeve, a protective sleeve is further connected to the surface of the explosion-proof sleeve, and a through hole is opened on the surface of the explosion-proof sleeve;

[0008] The outer surface of the explosion-proof sleeve is also connected to a compression cover, the compression cover and the explosion-proof sleeve are slidably connected, a threaded rod is embedded in the interior of the compression cover, and the rotation of the threaded rod causes the compression cover to move up and down;

[0009] The left and right sides of the explosion-proof sleeve are provided with fixing components, and the fixing components include a sliding sheet, the outer surface of the sliding sheet is fixedly connected with a clamping block, the inside of the clamping block is embedded with an insertion rod, and the bottom end of the sliding sheet is fixedly connected with a stabilizing pad.

[0010] Preferably, the flexible coupling belt is used to connect two groups of displacement meters together, and the flexible coupling belt is a solid pipe made of silicone material.

[0011] Preferably, two groups of the cutting tubes are provided, the cutting tubes are wrapped around the outer surfaces of the monitoring feedback unit and the fixing assembly, and the cutting tubes are slidably connected to the pressing cover.

[0012] Preferably, arc-shaped through holes are provided on the front and rear sides of the explosion-proof sleeve, and two groups of the explosion-proof sleeves are provided, and the two groups of the explosion-proof sleeves are connected by fastening nuts.

[0013] Preferably, the protective sleeve is configured to be arc-shaped, the protective sleeve is wrapped around the outside of the through hole, a magnet is provided on the inner wall of the protective sleeve, and the protective sleeve is adsorbed on the explosion-proof sleeve through the magnet.

[0014] Preferably, the compression cover is sleeved on the outside of the explosion-proof sleeve and the protective sleeve, and maintains a longitudinal sliding connection between the protective sleeve and the explosion-proof sleeve, and the outer edge of the compression cover is connected to the insertion rod.

[0015] Preferably, the clamping cover slides longitudinally along the protective sleeve and the explosion-proof sleeve to drive the insertion rod to slide inside the clamping block.

[0016] Preferably, the bottom end of the stabilizing pad is provided with spikes for embedding in the soil, and the insertion rod passes through a through slot provided in the middle of the stabilizing pad and is inserted into the soil.

[0017] Preferably, the stabilizing pad and the block are arranged on both sides of the cutting tube, and the stabilizing pad and the block extend from the inside of the cutting tube to the outside of the cutting tube. After the two groups of cutting tubes are combined, slots for the block and the stabilizing pad to pass through are left.

[0018] Preferably, the bottom width of the card block is small and the top width is large, and the longitudinal section of the card block is a triangle.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] The present invention provides an explosion-proof array displacement meter that is easy to install, which improves the stability of the explosion-proof array displacement meter in the soil through a unique structural design. After the cutting tube is embedded in the soil, the internal and external soil is isolated to form a stable structure to resist blasting vibration and external force. At the same time, the fixed components set in the cutting tube are further reinforced, the insertion rod is embedded in the soil to compact the internal soil, and the pressing cover is pressed down to inhibit soil overflow, eliminate internal hollowing, and enhance the connection stability between the overall structure and the soil, providing a reliable installation foundation for the displacement meter, ensuring that the soil displacement changes can be accurately sensed under complex soil environments and blasting vibrations.

[0021] The present invention provides an explosion-proof array displacement meter that is easy to install, which effectively improves the measurement accuracy and protection of the displacement meter. The cutting tube isolates the soil to prevent the entry of impurities, moisture and corrosive substances, protects the internal components and prolongs the service life. At the same time, the internal soil is less disturbed, so that the displacement meter can measure its displacement more accurately and the measurement is more targeted, which can accurately reflect the actual displacement of the soil in the surrounded area and avoid interference from the external environment. These measures combined ensure the normal operation of the displacement meter and improve the reliability of the measurement data. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0023] Figure 2 It is a structural schematic diagram of the cutting tube and the flexible coupling belt of the present invention;

[0024] Figure 3 It is a schematic diagram of the cross-sectional structure of the cutting tube of the present invention;

[0025] Figure 4 It is a schematic diagram of the structure of the sensor rod and the through hole of the present invention;

[0026] Figure 5 It is a schematic diagram of the structure of the explosion-proof sleeve and the through hole of the present invention;

[0027] Figure 6 It is a structural schematic diagram of the insert rod and the clamping block of the present invention;

[0028] Figure 7It is a schematic structural diagram of the clamping block and the stabilizing pad of the present invention.

[0029] In the figure: 11, cutting tube; 12, flexible coupling belt; 2, monitoring feedback unit; 21, fastening nut; 22, protective cover; 23, explosion-proof cover; 24, clamping cover; 25, sensor rod; 26, through hole; 3, fixing assembly; 31, insertion rod; 32, block; 33, stabilizing pad; 34, sliding sheet; 35, threaded rod. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] In order to further understand the content of the present invention, the present invention is described in detail in conjunction with the accompanying drawings.

[0032] Array displacement meters play a vital role in blasting operations. Blasting will produce strong shock waves and vibrations, which will have a significant impact on the surrounding rock and soil, buildings and other structures. Array displacement meters can monitor the displacement changes of different positions during the blasting process in real time. By arranging multiple displacement meters in key areas to form an array, the displacement information of the structure in all directions can be obtained comprehensively and accurately. This helps to assess the impact of blasting on the surrounding environment and judge the stability and safety of the structure. For example, in mine blasting, the displacement of the slope can be monitored to prevent geological disasters such as landslides; in building demolition blasting, the displacement of neighboring buildings can be monitored to ensure that they are not overly affected. Array displacement meters provide reliable data support for the safe implementation of blasting projects and the protection of the surrounding environment, and are an indispensable monitoring tool in blasting operations.

[0033] At present, the array displacement meters used in soil change monitoring have certain limitations. On the one hand, the existing array displacement meters have a relatively simple fixing method after being inserted into the soil, and it is often difficult to maintain stability in a complex soil environment. When affected by external interference or the movement of the soil itself, the displacement meter is prone to loosening or even displacement, which affects the accuracy and reliability of the measurement. On the other hand, the existing displacement meters have limited detection depth for underground soil changes, and it is difficult to fully and accurately reflect the changes in deep soil. Since the displacement changes of the soil may vary at different depths, the existing displacement meters cannot go deep underground for monitoring, resulting in an insufficient grasp of the overall changes in the soil and the inability to timely discover potential geological disaster risks. In response to this defect, this design sets a longer cylinder on the outside of the array displacement meter, which can not only increase the fixation of the displacement meter, but also use the cylinder to go deeper underground to conduct a more comprehensive detection of underground soil changes, effectively making up for the shortcomings of the existing technology. The specific operations are as follows:

[0034] Combination Figure 1-Figure 7 The present invention discloses an explosion-proof array displacement meter that is easy to install, including a cutting tube 11, wherein the cutting tube 11 is provided with two groups, the cutting tube 11 is wrapped around the outer surface of the monitoring feedback unit 2 and the fixing component 3, the cutting tube 11 and the pressing cover 24 are slidably connected, the monitoring feedback unit 2 is provided inside the cutting tube 11, and the monitoring feedback unit 2 includes an explosion-proof sleeve 23, the top and bottom ends of the explosion-proof sleeve 23 are connected with a fastening nut 21, and a flexible coupling belt 12 is embedded inside the fastening nut 21, and the flexible coupling belt 12 is used to connect the two groups of displacement meters together, and the flexible coupling belt 12 is a solid pipe made of silicone material, A sensor rod 25 is connected to the bottom end of the flexible coupling belt 12, and the sensor rod 25 extends from the inside of the fastening nut 21 to the inside of the explosion-proof sleeve 23. A protective sleeve 22 is also connected to the surface of the explosion-proof sleeve 23. A through hole 26 is provided on the surface of the explosion-proof sleeve 23, and arc-shaped through holes 26 are provided on the front and rear sides of the explosion-proof sleeve 23. The explosion-proof sleeve 23 is provided with two groups, and the two groups of explosion-proof sleeves 23 are connected by the fastening nut 21. The protective sleeve 22 is arranged in an arc shape, and the protective sleeve 22 is wrapped around the outside of the through hole 26. A magnet is provided on the inner wall of the protective sleeve 22, and the protective sleeve 22 is adsorbed on the explosion-proof sleeve 23 by the magnet.

[0035] The outer surface of the explosion-proof sleeve 23 is also connected to a clamping cover 24, which is slidably connected to the explosion-proof sleeve 23. A threaded rod 35 is embedded inside the clamping cover 24, and the threaded rod 35 rotates to move the clamping cover 24 up and down. When installing the array displacement meter, the cutting tube 11 is first embedded into the soil, and after embedding, part of the soil is framed by the cutting tube 11 to isolate the soil embedded inside the cutting tube 11 from the soil outside the cutting tube 11. When the cutting tube 11 is embedded in the soil, the soil inside it is framed and isolated from the soil outside, so that the cutting tube 11 can form a relatively independent and stable structure in the soil. This structure is similar to building a "fixed pile" in the soil, which can effectively resist the impact of blasting vibration and other external forces on the displacement meter, reduce the shaking and displacement of the displacement meter in the soil, and provide a more stable installation foundation for the displacement meter. During the blasting vibration process, the internal soil will move with the cutting tube 11 because it is confined in the cutting tube 11, reducing the instability caused by the relative sliding between the soil and the cutting tube 11, thereby enhancing the connection stability between the cutting tube 11 and the soil, and ensuring that the displacement meter can accurately sense the displacement changes of the soil; isolating the soil can prevent impurities, moisture and some corrosive substances in the external soil from entering the cutting tube 11, avoiding these substances from damaging the internal components of the displacement meter such as the sensor rod, extending the service life of the displacement meter, and ensuring its normal operation. When the internal soil is isolated, it is relatively less subject to external interference, and the displacement meter is more accurate in measuring the displacement of the internal soil. At the same time, this isolation measure also makes the displacement meter's measurement of soil displacement more targeted, and can more accurately reflect the actual displacement of the soil in the area surrounded by the cutting tube 11, avoiding the interference of the external complex soil environment on the measurement results. In addition, the cutting tube 11 can also wrap the monitoring feedback unit 2 and the fixed component 3, which plays a protective role;

[0036] After the cutting tube 11 is inserted into the soil, the explosion-proof sleeve 23 and the protective sleeve 22 as well as the flexible coupling belt 12 and the sensor rod 25 embedded inside are also embedded in the soil. The position change of the explosion-proof sleeve 23 is monitored by the sensor rod 25. During the monitoring, for example, when the explosion-proof sleeve 23 is squeezed by the soil and displaced, the position of the sensor rod 25 inside the explosion-proof sleeve 23 also changes. At the same time, the displacement of the soil will not only drive the displacement of the explosion-proof sleeve 23, but also drive the explosion-proof sleeve 23 to tilt. At this time, according to the collection of the position coordinates and the angle by the sensor rod 25, the change in soil displacement is analyzed due to the change in the soil at the detection location.

[0037] During monitoring, in order to improve accuracy, it is necessary to overcome some external environmental interferences, including the position deviation caused by unstable installation. To avoid these external interferences, firstly, the longer length of the cutting cylinder 11 can be embedded deeper into the soil, and secondly, it can also play a better stabilizing role. Based on such conditions, a fixing component 3 is set for further reinforcement. The specific operation is as follows:

[0038] Fixing components 3 are arranged on the left and right sides of the explosion-proof sleeve 23. The fixing component 3 includes a sliding piece 34. A clamping block 32 is fixedly connected to the outer surface of the sliding piece 34. A plug rod 31 is embedded in the clamping block 32. A stabilizing backing plate 33 is fixedly connected to one side of the bottom end of the sliding piece 34. The pressing cover 24 is sleeved on the outer sides of the explosion-proof sleeve 23 and the protective sleeve 22 and is longitudinally slidably connected between the protective sleeve 22 and the explosion-proof sleeve 23. The outer edge of the pressing cover 24 is connected to the plug rod 31. When the pressing cover 24 slides longitudinally along the protective sleeve 22 and the explosion-proof sleeve 23, it drives the plug rod 31 to slide inside the clamping block 32. Spikes are arranged at the bottom end of the stabilizing backing plate 33 and are used to be embedded in the soil. The plug rod 31 passes through a through groove formed in the middle of the stabilizing backing plate 33 and is inserted into the soil. The stabilizing backing plate 33 and the clamping block 32 are arranged on both sides of the cutting cylinder 11. The stabilizing backing plate 33 and the clamping block 32 extend from the inside of the cutting cylinder 11 to the outside of the cutting cylinder 11. After two groups of cutting cylinders 11 are combined, there are slots for the clamping block 32 and the stabilizing backing plate 33 to penetrate through. The width of the bottom end of the clamping block 32 is smaller than that of the top end, and the longitudinal section of the clamping block 32 is triangular. In order to better improve the installation stability, when the clamping block 32 slides downward, the depth of the plug rod 31 embedded in the soil is deeper. In addition, after the cutting cylinder 11 is embedded in the soil, with the plug rod 31 being embedded again, the soil inside the cutting cylinder 11 is squeezed due to the addition of the plug rod 31. When the volume of the internal soil remains unchanged, the internal space of the cutting cylinder 11 is reduced by the plug rod 31, and at this time the soil will be further compacted. Subsequently, rotating the threaded rod 35 drives the pressing cover 24 to press down. After pressing down, the pressing cover 24 covers the upper layer of the soil to prevent the soil from overflowing upward. In this way, the soil inside the cutting cylinder 11 is more compact. Therefore, by adding the plug rod 31 and the pressing cover 24, the soil cavity inside the cutting cylinder 11 can be eliminated.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An explosion-proof array displacement meter that is easy to install, comprising a cutting tube (11), characterized in that: A monitoring feedback unit (2) is arranged inside the cutting tube (11), and the monitoring feedback unit (2) comprises an explosion-proof sleeve (23), the top and bottom ends of the explosion-proof sleeve (23) are connected to a fastening nut (21), a flexible coupling belt (12) is embedded inside the fastening nut (21), the bottom end of the flexible coupling belt (12) is connected to a sensor rod (25), the sensor rod (25) extends from the inside of the fastening nut (21) to the inside of the explosion-proof sleeve (23), the surface of the explosion-proof sleeve (23) is also connected to a protective sleeve (22), and the surface of the explosion-proof sleeve (23) is provided with a through hole (26); The outer surface of the explosion-proof sleeve (23) is also connected to a compression cover (24), the compression cover (24) and the explosion-proof sleeve (23) are slidably connected, a threaded rod (35) is embedded in the interior of the compression cover (24), and the threaded rod (35) rotates to move the compression cover (24) up and down; The explosion-proof sleeve (23) is provided with a fixing assembly (3) on the left and right sides. The fixing assembly (3) comprises a sliding sheet (34). A clamping block (32) is fixedly connected to the outer surface of the sliding sheet (34). An inserting rod (31) is embedded in the interior of the clamping block (32). A stabilizing pad (33) is fixedly connected to one side of the bottom end of the sliding sheet (34).

2. The explosion-proof array displacement meter that is easy to install according to claim 1 is characterized in that: The flexible coupling belt (12) is used to connect two groups of displacement meters together, and the flexible coupling belt (12) is a solid pipe made of silicone material.

3. The explosion-proof array displacement meter that is easy to install according to claim 1 is characterized in that: Two groups of the cutting tubes (11) are provided. The cutting tubes (11) are wrapped around the outer surfaces of the monitoring feedback unit (2) and the fixing assembly (3). The cutting tubes (11) are slidably connected to the pressing cover (24).

4. The explosion-proof array displacement meter that is easy to install according to claim 1 is characterized in that: Arc-shaped through holes (26) are provided on the front and rear sides of the explosion-proof sleeve (23). Two groups of the explosion-proof sleeves (23) are provided, and the two groups of the explosion-proof sleeves (23) are connected via a fastening nut (21).

5. The explosion-proof array displacement meter that is easy to install according to claim 1 is characterized in that: The protective sleeve (22) is arranged in an arc shape, the protective sleeve (22) is wrapped around the outside of the through hole (26), a magnet is arranged on the inner wall of the protective sleeve (22), and the protective sleeve (22) is adsorbed on the explosion-proof sleeve (23) via the magnet.

6. The explosion-proof array displacement meter that is easy to install according to claim 1 is characterized in that: The pressing cover (24) is sleeved on the outside of the explosion-proof sleeve (23) and the protective sleeve (22), and is longitudinally slidably connected to the protective sleeve (22) and the explosion-proof sleeve (23). The outer edge of the pressing cover (24) is connected to the insertion rod (31).

7. The explosion-proof array displacement meter that is easy to install according to claim 6 is characterized in that: The pressing cover (24) slides longitudinally along the protective sleeve (22) and the explosion-proof sleeve (23), driving the insertion rod (31) to slide inside the clamping block (32).

8. The explosion-proof array displacement meter that is easy to install according to claim 7, characterized in that: The bottom end of the stabilizing pad (33) is provided with a spike, which is used to be embedded in the soil, and the insertion rod (31) passes through a through slot provided in the middle of the stabilizing pad (33) and is inserted into the soil.

9. The explosion-proof array displacement meter that is easy to install according to claim 8, characterized in that: The stabilizing pad (33) and the clamping block (32) are arranged on both sides of the cutting tube (11); the stabilizing pad (33) and the clamping block (32) extend from the inside of the cutting tube (11) to the outside of the cutting tube (11); and after the two groups of cutting tubes (11) are combined, a notch is left for the clamping block (32) and the stabilizing pad (33) to pass through.

10. The explosion-proof array displacement meter that is easy to install according to claim 9, characterized in that: The width of the bottom end of the card block (32) is small and the width of the top end is large, and the longitudinal section of the card block (32) is a triangle.

Images