Landfill settlement early warning device

Abstract

The utility model provides a landfill subsidence early warning device, include: benchmark column and be located in its one side's pump station connecting base, the bottom end of benchmark column is sharp conical shape, fixed mounting in the top of pump station connecting base's sliding sleeve, slidingly connect in the sliding bushing of sliding sleeve, fixed mounting in the measuring rod of sliding bushing, the cross section of measuring rod is T shape. Through connecting rod makes benchmark column and measuring rod between connection state, makes the measuring head of mobile displacement sensor and measuring rod to resist, installs initial time, records the initial reading of displacement sensor as benchmark, when pump station foundation subsidence and benchmark column does not move, measuring rod and sliding sleeve occurs relative displacement, through displacement sensor real -time detection this sliding displacement, when exceeding the preset safety threshold, audible -visual alarm alarm and reports remote monitoring center, therefore realizes the effect of continuous early warning monitoring subsidence from this, effectively improved the effect and use safety of subsidence monitoring.

Description

Technical Field

[0001] This utility model relates to the field of landfill settlement detection technology, specifically to a landfill settlement early warning device. Background Technology

[0002] Landfills are centralized waste disposal sites that use sanitary landfill methods. Sanitary landfills are widely used in China because of their low cost and good sanitation.

[0003] To ensure the safety of critical structures within landfills, such as leachate pumping stations and equalization tanks, settlement monitoring is necessary. Currently, settlement monitoring of these critical structures typically relies on traditional leveling instruments and total stations for periodic measurements. However, this method suffers from long intervals and delayed responses, making continuous early warning monitoring difficult. It also makes it challenging for personnel to detect settlement issues promptly and take appropriate measures, posing certain safety hazards and ultimately reducing the effectiveness and safety of settlement monitoring. Utility Model Content

[0004] This invention proposes a landfill settlement early warning device, which solves the problem of inconvenience in continuous early warning monitoring in related technologies.

[0005] The technical solution of this utility model is as follows: A landfill settlement early warning device includes: a reference column and a pump station connecting base disposed on one side thereof, wherein the bottom end of the reference column is conical;

[0006] A sliding sleeve that is fixedly installed on the top of the pump station connection base;

[0007] A sliding bushing that is slidably connected inside a sliding sleeve;

[0008] A measuring rod is fixedly installed inside a sliding bushing, and the cross-section of the measuring rod is T-shaped;

[0009] A displacement sensor is fixedly installed on the surface of a measuring rod, and the movable measuring head of the displacement sensor abuts against the top end of the measuring rod;

[0010] A connecting rod that is installed together at the top of the reference column and the measuring rod;

[0011] And an alarm mechanism installed on the connection base of the pump station.

[0012] Preferably, the alarm mechanism includes a mounting plate fixedly installed on one side of the top of the pump station connection base, a controller fixedly installed on one side of the mounting plate, a wireless transmission module disposed in the controller, and an audible and visual alarm fixedly installed on one side of the mounting plate and located above the controller.

[0013] The displacement sensor, wireless transmission module, and audible and visual alarm are all electrically connected to the controller.

[0014] Preferably, the sliding bushing is made of a material with a low coefficient of friction, and the surface of the sliding bushing is integrally formed with several protrusions, and the inner wall of the sliding sleeve is provided with a groove that slides and connects with the protrusions.

[0015] Preferably, the surface of the reference column is provided with a support mechanism for maintaining stability.

[0016] Preferably, the support mechanism includes three support rods movably mounted on the surface of the reference column, a rectangular sleeve slidably sleeved on the surface of the support rods, a hand-tightening bolt threaded through and connected to one side of the top of the rectangular sleeve, and a limiting component provided at the bottom of the rectangular sleeve for fixing to the ground. The support rods are rectangular, and one end of the hand-tightening bolt abuts against the support rod.

[0017] Preferably, the limiting component includes a connecting block movably mounted on the bottom end of a rectangular housing, an insertion rod rotatably connected to the connecting block and having a pointed cone shape at the bottom end, and a spiral blade fixedly mounted on the surface of the insertion rod.

[0018] The working principle and beneficial effects of this utility model are as follows:

[0019] By driving a reference column into the stable soil layer, fixing the pump station connecting base to the pump station foundation, and adjusting the position of the measuring rod, the reference column and the measuring rod are connected via a connecting rod, so that the measuring head of the displacement sensor contacts the measuring rod. Initially, the initial reading of the displacement sensor is recorded as a reference. When the pump station foundation settles while the reference column remains stationary, the measuring rod and the sliding sleeve experience relative displacement. This displacement is detected in real time by the displacement sensor. When the displacement exceeds a preset safety threshold, an audible and visual alarm is triggered and reported to the remote monitoring center. Therefore, continuous early warning monitoring of settlement is achieved. The monitoring results are transmitted and alerts are issued promptly, avoiding the inability to provide timely feedback in traditional periodic monitoring, reducing the probability of safety hazards, and effectively improving the effectiveness and safety of settlement monitoring. Attached Figure Description

[0020] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0021] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model;

[0022] Figure 2 This is a partial three-dimensional structural diagram of the pump station connection base of this utility model;

[0023] Figure 3 This is a cross-sectional three-dimensional structural diagram of the sliding sleeve of this utility model;

[0024] Figure 4 This is a partial three-dimensional structural diagram of the reference column of this utility model;

[0025] In the diagram: 1. Reference column; 2. Pump station connecting base; 3. Sliding sleeve; 4. Sliding bushing; 5. Measuring rod; 6. Displacement sensor; 7. Connecting rod; 8. Mounting plate; 9. Controller; 10. Audible and visual alarm; 11. Support rod; 12. Rectangular sleeve; 13. Hand-tightening bolt; 14. Connecting block; 15. Insertion rod; 16. Helical blade. Detailed Implementation

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

[0027] Example 1

[0028] Please see Figure 1 - Figure 4 The present invention provides a landfill settlement early warning device, comprising: a reference column 1 and a pump station connecting base 2 located on one side thereof, wherein the bottom end of the reference column 1 is cone-shaped.

[0029] The sliding sleeve 3 is fixedly installed on the top of the pump station connection base 2;

[0030] The sliding bushing 4 is slidably connected inside the sliding sleeve 3;

[0031] The measuring rod 5 is fixedly installed inside the sliding bushing 4, and the cross-section of the measuring rod 5 is T-shaped;

[0032] The displacement sensor 6 is fixedly installed on the surface of the measuring rod 5. The movable measuring head of the displacement sensor 6 abuts against the top end of the measuring rod 5. The displacement sensor 6 is a spring self-resetting displacement sensor, such as the KTR11 and KTR12 series displacement sensors from Shenzhen Milang Technology Co., Ltd., which are existing mature technologies and will not be described in detail here.

[0033] A connecting rod 7 is installed together at the top of the reference column 1 and the measuring rod 5;

[0034] And an alarm mechanism installed on the pump station connection base 2.

[0035] Preferably, the alarm mechanism includes a mounting plate 8 fixedly installed on one side of the top of the pump station connection base 2, a controller 9 fixedly installed on one side of the mounting plate 8, a wireless transmission module disposed in the controller 9, and an audible and visual alarm 10 fixedly installed on one side of the mounting plate 8 and located above the controller 9.

[0036] The displacement sensor 6, the wireless transmission module, and the audible and visual alarm 10 are all electrically connected to the controller 9. The controller 9 can transmit data to an external remote monitoring center through the wireless transmission module.

[0037] The technical solution provided in this embodiment is as follows: In use, the reference column 1 is driven into the undisturbed original stable soil layer next to the pump station. Then, the pump station connecting base 2 is fixed to the pump station foundation using expansion bolts. The measuring rod 5 is moved, causing the sliding bushing 4 to slide within the sliding sleeve 3 to adjust the position of the measuring rod 5. Finally, the connecting rod 7 is installed at the ends of the reference column 1 and the measuring rod 5 using bolts, so that the reference column 1 and the measuring rod 5 are connected. Simultaneously, the movable measuring head of the displacement sensor 6 moves with the measuring rod 5 and its end contacts it, thus completing the installation of the device. Initially, the initial reading of the displacement sensor 6 is recorded as a reference, and the controller 9 is operated to preset the settlement safety threshold. When settlement occurs in the pump station foundation... When the reference column 1 remains stationary, the measuring rod 5 stays stationary with the reference column 1 under the action of the connecting rod 7. This causes the measuring rod 5 to undergo relative displacement through the sliding bushing 4 and the sliding sleeve 3. Simultaneously, the displacement sensor 6 detects this sliding displacement in real time. When the displacement exceeds the preset safety threshold, it indicates that settlement has occurred and reached a dangerous level. The signal is fed back to the controller 9, which controls the audible and visual alarm 10 to issue an on-site audible and visual alarm. At the same time, it is reported to the remote monitoring center through the wireless transmission module. Therefore, the effect of continuous early warning monitoring of settlement is achieved. The monitoring results can be transmitted and warned in a timely manner, avoiding the situation where traditional periodic monitoring cannot provide timely feedback. This reduces the probability of safety hazards and effectively improves the effect and safety of settlement monitoring.

[0038] Furthermore, the sliding bushing 4 is made of a material with a low coefficient of friction. Several protrusions are integrally formed on the surface of the sliding bushing 4. The inner wall of the sliding sleeve 3 is provided with a groove that slides and connects with the protrusions. The sliding bushing 4 can be made of graphene material. Graphene has excellent low friction characteristics, which can ensure the smooth sliding of the sliding bushing 4 and the sliding sleeve 3.

[0039] Specifically, by using a sliding bushing 4 made of a material with a low coefficient of friction, the friction between it and the sliding sleeve 3 can be reduced, so as to accurately reflect the settlement situation. Through the sliding fit of the protrusion and the groove, the position of the sliding bushing 4 can be limited to prevent the sliding bushing 4 from rotating and shifting, thus ensuring the stability between the sliding bushing 4 and the sliding sleeve 3.

[0040] Example 2

[0041] Based on Embodiment 1, in this embodiment: the surface of the reference column 1 is provided with a support mechanism for maintaining stability.

[0042] The support mechanism includes three support rods 11 movably mounted on the surface of the reference column 1, a rectangular sleeve 12 slidably sleeved on the surface of the support rods 11, a hand-tightening bolt 13 threadedly connected to one side of the top of the rectangular sleeve 12, and a limiting component provided at the bottom of the rectangular sleeve 12 for fixing to the ground. The support rods 11 are rectangular, and one end of the hand-tightening bolt 13 abuts against the support rods 11.

[0043] The limiting component includes a connecting block 14 movably mounted on the bottom of the rectangular housing 12, an insertion rod 15 rotatably connected to the connecting block 14 and having a pointed cone shape at the bottom, and a spiral blade 16 fixedly mounted on the surface of the insertion rod 15.

[0044] The technical solution provided in this embodiment is as follows: After the reference column 1 is inserted into the stable soil layer, the hand-tightening bolt 13 is loosened, and the overall length and angle of the rectangular sleeve 12 and the support rod 11 are adjusted relative to each other according to the position. After adjustment, the hand-tightening bolt 13 is tightened to lock the support rod 11. Then, the insertion rod 15 is rotated to drive the spiral blade 16 to rotate, so that the insertion rod 15 is smoothly inserted into the soil layer under the action of the spiral blade 16, so as to fix the connecting block 14 in a suitable position. Thus, the rectangular sleeve 12 and the support rod 11 cooperate to provide effective lateral support for the reference column 1, which is conducive to improving the stability of the reference column 1 and avoiding the tilting situation.

[0045] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A landfill settlement early warning device, characterized in that, include: A reference column (1) and a pump station connecting base (2) located on one side thereof, wherein the bottom end of the reference column (1) is conical; A sliding sleeve (3) is fixedly installed on the top of the pump station connection base (2); A sliding bushing (4) is slidably connected to the sliding sleeve (3); A measuring rod (5) is fixedly installed inside a sliding bushing (4), and the cross-section of the measuring rod (5) is T-shaped; A displacement sensor (6) is fixedly installed on the surface of the measuring rod (5), and the movable measuring head of the displacement sensor (6) abuts against the top end of the measuring rod (5); A connecting rod (7) is installed together at the top of the reference column (1) and the measuring rod (5); And an alarm mechanism installed on the pump station connection base (2).

2. The landfill settlement early warning device according to claim 1, characterized in that, The alarm mechanism includes a mounting plate (8) fixedly installed on one side of the top of the pump station connection base (2), a controller (9) fixedly installed on one side of the mounting plate (8), a wireless transmission module located in the controller (9), and an audible and visual alarm (10) fixedly installed on one side of the mounting plate (8) and located above the controller (9).

3. The landfill settlement early warning device according to claim 2, characterized in that, The displacement sensor (6), wireless transmission module and audible and visual alarm (10) are all electrically connected to the controller (9).

4. The landfill settlement early warning device according to claim 1, characterized in that, The sliding bushing (4) is made of a material with a low coefficient of friction. Several protrusions are integrally formed on the surface of the sliding bushing (4). The inner wall of the sliding sleeve (3) is provided with a groove that slides and connects with the protrusions.

5. A landfill settlement early warning device according to claim 1, characterized in that, The surface of the reference column (1) is provided with a support mechanism for maintaining stability.

6. A landfill settlement early warning device according to claim 5, characterized in that, The support mechanism includes three support rods (11) movably mounted on the surface of the reference column (1), a rectangular sleeve (12) slidably sleeved on the surface of the support rods (11), a hand-tightening bolt (13) threaded through and connected to one side of the top of the rectangular sleeve (12), and a limiting component provided at the bottom of the rectangular sleeve (12) for fixing to the ground. The support rods (11) are rectangular, and one end of the hand-tightening bolt (13) abuts against the support rods (11).

7. A landfill settlement early warning device according to claim 6, characterized in that, The limiting component includes a connecting block (14) movably mounted on the bottom of a rectangular housing (12), an insertion rod (15) rotatably connected to the connecting block (14) and having a pointed cone shape at the bottom, and a spiral blade (16) fixedly mounted on the surface of the insertion rod (15).

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