Earthquake monitoring device with grouting and filling functions

Abstract

The utility model belongs to the technical field of earthquake monitoring equipment, and discloses an earthquake monitoring device with grouting and filling functions, which comprises an observation cylinder. The observation cylinder is vertically arranged in a pre-excavated observation pit; wherein the observation cylinder is of a hollow cylinder structure with an upper opening and a lower opening; the cylinder bottom plate is mounted at the bottom end of the observation cylinder in a matched manner, and mounting through holes are uniformly formed in the cylinder bottom plate; the grouting rod is vertically inserted into the soil body below the bottom plate of the barrel body through the mounting through hole and is used for pouring cement paste into the soil body below the bottom plate of the barrel body; the top end of the grouting rod extends to the top face of the barrel bottom plate, and the outer side of the top end of the grouting rod and the inner wall of the mounting through hole are sealed and fixedly connected. The seismograph is mounted in the center of the top surface of the cylinder bottom plate; cement paste is poured into the soil body through the grouting rod, so that the soil body at the bottom of the observation pit forms a composite foundation, and the bearing capacity and the stability of the foundation are improved; meanwhile, a cavity is prevented from being formed below the bottom plate of the cylinder body, and the accuracy of earthquake monitoring data is effectively improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of earthquake monitoring equipment, relates to earthquake flow monitoring, and particularly relates to an earthquake monitoring device with a grouting and filling function. Background Art

[0002] A shallow-buried seismic monitoring station is a specific way of setting up seismic monitoring facilities, which means that the seismic monitoring station or its key equipment (such as a seismograph) is shallowly buried underground. Due to the propagation characteristics of seismic waves, the underground environment can usually provide clearer seismic signals than the bottom environment. Therefore, shallow-buried seismic monitoring stations can reduce the interference of bottom environmental noise on seismic monitoring equipment and improve the accuracy of monitoring data.

[0003] Traditional shallow-buried seismic monitoring stations usually involve excavating an observation pit on the surface, then casting piers or laying steel plate pads at the bottom of the pit, and then installing and deploying seismographs on the piers or steel plate pads. However, the on-site casting of piers has the problems of long construction period and high construction difficulty. Although the method of setting steel plate pads can effectively speed up the construction progress, the poor contact performance between the steel plate pads and the bottom soil layer makes it very easy to form voids, which directly affects the accuracy of earthquake monitoring results. Utility Model Content

[0004] In response to the technical problems existing in the prior art, the utility model provides an earthquake monitoring device with a grouting filling function to solve the technical problem that when traditional shallow-buried earthquake monitoring stations are constructed by laying steel plate pads, cavities are easily formed between the steel plate pads and the bottom soil, which directly affects the accuracy of earthquake monitoring results.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] The utility model provides a seismic monitoring device with a grouting filling function, comprising an observation tube, a tube bottom plate, a grouting rod and a seismograph;

[0007] The observation tube is vertically arranged in a pre-excavated observation pit; wherein the observation tube is a hollow cylindrical structure with upper and lower openings; the cylinder bottom plate is mounted on the bottom end of the observation tube, and the cylinder bottom plate is evenly provided with mounting holes;

[0008] The grouting rod is vertically inserted into the soil below the bottom plate of the cylinder through the installation through hole, and is used to inject cement slurry into the soil below the bottom plate of the cylinder; wherein the top end of the grouting rod extends to the top surface of the bottom plate of the cylinder, and the outer side of the top end of the grouting rod is sealed and fixedly connected to the inner wall of the installation through hole;

[0009] The seismograph is installed at the center of the top surface of the cylinder bottom plate.

[0010] Furthermore, the outer wall of the top end of the grouting rod is provided with a mounting thread, and the inner wall of the mounting through hole is provided with an internal thread; the mounting thread is matched with the internal thread to connect the top end of the grouting rod to the mounting through hole in a sealed and fixed manner.

[0011] Furthermore, it also includes a power supply and a data acquisition device, both of which are installed on the inner wall of the observation tube; wherein the power supply is used to provide electrical energy to the seismograph and the data acquisition device, and the input end of the data acquisition device is connected to the output end of the seismograph.

[0012] Furthermore, a first partition and a second partition are vertically spaced apart on the inner wall of the observation tube; the first partition and the second partition are horizontally fixed on the inner wall of the observation tube, and the first partition is located below the second partition; the power supply is installed on the upper surface of the first partition, and the data acquisition device is installed on the upper surface of the second partition.

[0013] Furthermore, a bottom plate groove is provided on the circumference of the upper surface of the bottom plate of the cylinder, and the bottom end of the cylinder of the observation cylinder is inserted into the bottom plate groove.

[0014] Furthermore, the outer edge top surface of the bottom plate groove extends vertically upward to form a bottom plate boss, and the inner surface of the bottom plate boss is sealed and fitted with the outer surface of the bottom end of the cylinder body of the observation tube.

[0015] Furthermore, it also includes grouting equipment; the grouting port of the grouting equipment is connected to the grouting inlet of the grouting rod through a grouting pipeline, and is used to provide cement slurry with a preset pressure to the grouting rod.

[0016] Furthermore, it also includes a solar power supply system; the solar power supply system is arranged on the side surface of the observation tube, and the output end of the solar power supply system is connected to the power supply.

[0017] Furthermore, it also includes a cylinder cover plate, which is detachably mounted on the top end of the observation cylinder.

[0018] Furthermore, the mounting through holes on the bottom plate of the cylinder are distributed in a plum blossom shape, and a grouting rod is inserted into each of the mounting through holes.

[0019] Compared with the prior art, the beneficial effects of the present invention are:

[0020] The utility model provides an earthquake monitoring device with a grouting filling function, wherein a grouting rod is arranged in the soil below the bottom plate of the cylinder, and the top end of the grouting rod is sealed and fixedly connected to the installation through hole on the bottom plate of the cylinder, and cement slurry is poured into the soil by using the grouting rod to form a composite foundation of the bottom soil of the observation pit, which plays a role in reinforcing the foundation and improves the bearing capacity and stability of the foundation; at the same time, the grouting rod can connect the bottom plate of the cylinder and the composite foundation as a whole, avoid the occurrence of voids under the bottom plate of the cylinder, and effectively improve the accuracy of earthquake monitoring data; the device has a simple structure and low construction difficulty, and can effectively avoid damage to the seismograph and extend its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0022] Figure 1 A schematic diagram of the overall structure of the earthquake monitoring device with grouting filling function provided in Example 1;

[0023] Figure 2 This is a top view of the bottom plate of the cylinder in Example 1;

[0024] Figure 3 Schematic diagram of the structure of the grouting rod in Example 1;

[0025] Figure 4 It is a structural schematic diagram of the grouting equipment in Example 1;

[0026] Figure 5 Schematic diagram of the usage status of the earthquake monitoring device with grouting filling function provided in Example 2.

[0027] Among them, 1 observation tube, 2 cylinder bottom plate, 3 cylinder cover, 4 grouting rod, 5 seismograph, 6 power supply, 7 data acquisition equipment, 8 grouting equipment, 9 composite foundation, 10 solar power supply system; 11 first partition, 12 second partition; 21 installation through hole, 22 bottom plate groove, 23 bottom plate boss; 41 grouting hole, 42 installation thread; 81 cement silo, 82 sand silo, 83 stone silo, 84 water silo, 85 mixing silo, 86 equipment silo, 87 pressure silo, 88 mixing motor, 89 mixing blade, 810 press, 811 pressure port, 812 slurry outlet, 813 grouting pipe; 101 support rod foundation, 102 support rod, 103 solar panel, 104 connecting wire. DETAILED DESCRIPTION

[0028] In order to make the technical problems, technical solutions, and beneficial effects solved by this application more clearly understood, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of this application; it is obvious that the described embodiments are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of this application.

[0029] Example 1

[0030] As attached Figure 1-4 As shown, this embodiment 1 provides an earthquake monitoring device with a grouting filling function, including an observation tube 1, a tube bottom plate 2, a tube cover 3, a grouting rod 4, a seismograph 5, a power supply 6, a data acquisition device 7 and a grouting device 8.

[0031] The observation tube 1 is vertically arranged in a pre-excavated observation pit, and the observation tube 1 adopts a hollow cylinder structure with upper and lower openings; the cylinder bottom plate 2 is installed in cooperation with the bottom end of the observation tube 1, and the cylinder cover 3 is detachably installed on the top end of the observation tube 1; wherein, the observation tube 1, the cylinder bottom plate 2 and the cylinder cover 3 together form a sealed cylinder structure, providing a reliable installation space for the seismograph 5, the power supply 6 and the data acquisition equipment 7; the observation tube 1 and the cylinder cover 3 are both made of APS material; preferably, the diameter of the observation tube 1 is 1m and the depth is 1.6m; the cylinder cover 3 is detachably installed, which is convenient for installation or maintenance of the equipment in the observation tube 1.

[0032] The cylinder bottom plate 2 is evenly provided with mounting through holes 21, and the mounting through holes 21 are used as mounting channels and fixing holes for the grouting rods 4; wherein, the upper ends of the mounting through holes 21 are communicated with the upper surface of the cylinder bottom plate 2, and the lower ends of the mounting through holes 21 are communicated with the lower surface of the cylinder bottom plate 2; preferably, the mounting through holes 21 on the cylinder bottom plate 2 are distributed in a plum blossom shape, and a grouting rod 4 is inserted into each of the mounting through holes 21 to ensure uniform grouting of the soil below the cylinder bottom plate 2; for example: when the number of the mounting through holes 21 is five, one of the mounting through holes is arranged at the center of the cylinder bottom plate 2, and the remaining four mounting through holes are evenly distributed around the mounting through hole located in the center.

[0033] A bottom plate groove 22 is provided on the circumference of the upper surface of the cylinder bottom plate 2. The diameter of the bottom plate groove 22 matches the diameter of the observation tube 1, and the width of the bottom plate groove 22 matches the thickness of the observation tube 1. The bottom end of the cylinder body of the observation tube 1 is inserted into the bottom plate groove 22 to achieve a sealed fixation between the observation tube 1 and the cylinder bottom plate 2. The outer edge top surface of the bottom plate groove 22 extends vertically upward to form a bottom plate boss 23, that is, the bottom plate boss 23 is a circular ring structure provided on the circumference of the upper surface of the cylinder bottom plate 2. structure; wherein, the bottom end of the bottom plate boss 23 is fixedly connected to the upper surface of the cylinder bottom plate 2, the lower end of the inner surface of the bottom plate boss 23 is connected to the outer circumferential surface of the bottom plate groove 22, and the upper end of the inner surface of the bottom plate boss 23 is sealed with the outer surface of the cylinder bottom end of the observation tube 1; it should be noted that, by arranging the bottom plate groove 22 and the bottom plate boss 23 on the cylinder bottom plate 2, the observation tube 1 and the cylinder bottom plate 2 are squeezed and connected together, ensuring that the observation tube 1 will not shift or shake after the observation pit is filled.

[0034] The grouting rod 4 is vertically inserted into the soil below the cylinder bottom plate 2 through the mounting through hole 21, and is used to pour cement slurry into the soil below the cylinder bottom plate 2; wherein, the top end of the grouting rod 4 extends to the top surface of the cylinder bottom plate 2, and the outer side of the top end of the grouting rod 4 is sealed and fixedly connected to the inner wall of the mounting through hole 21.

[0035] Specifically, the grouting rod 4 adopts a hollow rod structure; the bottom end of the grouting rod 4 is conical so that the grouting rod 4 can be inserted into the soil; the top of the grouting rod 4 is a slurry inlet, which is used to be connected to the grouting equipment 8; the outer wall of the rod body of the grouting rod 4 is evenly provided with a number of grouting holes 41 for the slurry in the rod body to flow out; the outer wall of the top end of the grouting rod 4 is provided with a mounting thread 42, and the inner wall of the mounting through hole 21 is provided with an internal thread; the mounting thread 42 is connected in cooperation with the internal thread so that the top end of the grouting rod 4 is sealed and fixedly connected to the mounting through hole 21.

[0036] The seismograph 5 is installed at the center of the top surface of the cylinder bottom plate 2, and is used to monitor and collect seismic data near the observation pit; the power supply 6 and the data acquisition device 7 are both installed on the inner wall of the observation cylinder 1, and the power supply 6 is located below the data acquisition device 7; specifically, a first partition 11 and a second partition 12 are vertically spaced apart on the inner wall of the observation cylinder 1, and the first partition 11 and the second partition 12 are both horizontally fixed on the inner wall of the observation cylinder 1, and the first partition 11 is located below the second partition 12; wherein, one end of the first partition 11 or the second partition 12 is vertically fixed to the inner wall of the observation cylinder 1, and the other end of the first partition 11 or the second partition 12 extends horizontally toward the center of the observation cylinder 1; the power supply 6 is installed on the upper surface of the first partition 11, and the data acquisition device 7 is installed on the upper surface of the second partition 12.

[0037] The power supply 6 is used to provide electrical energy to the seismograph 5 and the data acquisition device 7. The data acquisition device 7 is used to collect monitoring data of the seismograph 5 and can send the collected monitoring data to a preset data storage device. Specifically, the first output end of the power supply 6 is connected to the power supply end of the seismograph 5, and the second output end of the power supply 6 is connected to the power supply end of the data acquisition device 7. The input end of the data acquisition device 7 is connected to the output end of the seismograph 5, and the output end of the data acquisition device 7 is used to be connected to the data storage device via wireless communication.

[0038] The grouting equipment 8 is arranged on the ground and is arranged close to the observation tube 1; wherein the grouting port of the grouting equipment 8 is connected to the grouting inlet of the grouting rod 4 through a grouting pipeline, which is used to provide cement slurry of preset pressure to the grouting rod 4.

[0039] Specifically, the grouting equipment 8 includes a grouting box, a stirring motor 88, a stirring blade 89, a press 810 and a grouting pipe 813; the grouting box is a hollow box structure, and the internal space of the grouting box is divided into a raw material layer, a mixing bin 85 and an equipment layer from top to bottom; three vertical partitions are provided in the raw material layer to divide the raw material layer into a cement bin 81, a sand bin 82, a stone bin 83 and a water bin 84 in turn, and the bottoms of the cement bin 81, the sand bin 82, the stone bin 83 and the water bin 84 are all connected to the mixing bin 85; wherein, the cement bin 81 is used to store cement, the sand bin 82 is used to store sand, the stone bin 83 is used to store aggregate, and the water bin 84 is used to store water.

[0040] The stirring blade 89 is disposed in the stirring chamber 85 and is used to stir the raw materials entering the stirring chamber 85 .

[0041] A sealed partition is vertically arranged in the equipment layer, and the sealed partition divides the internal space of the equipment layer into an equipment bin 86 and a pressure bin 87; the equipment bin 86 is used as an installation space for the stirring motor 88 and the press 810, that is, the stirring motor 88 and the press 810 are both installed in the equipment bin 86; wherein, the output end of the stirring motor 88 is vertically upward and extends into the stirring bin 85, and the stirring blade 89 is fixedly installed at the output end of the stirring motor 88 to drive the stirring blade 89 to rotate; the upper end of the pressure bin 87 is connected to the bottom end of the stirring bin 85, and is used to store the stirred cement slurry; the press 810 is arranged near one end of the pressure bin 87, and the pressurization port 811 of the press 810 extends into the pressure bin 87, and is used to pressurize the cement slurry in the pressure bin 87.

[0042] A slurry outlet 812 is provided on the side wall of the bottom end of the grouting box. One end of the slurry outlet 812 is connected to the pressure chamber 87, and the other end of the slurry outlet 812 is connected to the slurry inlet of the grouting rod 4 through a grouting pipe 813.

[0043] It should be noted that when the grouting equipment 8 is in operation, the grouting equipment 8 is first connected to the grouting rod 4 through the grouting pipe 813, and then cement, sand, stone and water are added to each silo of the raw material layer. The raw materials in the mixing silo are stirred by stirring blades to prepare cement slurry; after the prepared cement slurry enters the pressure silo, it is injected into the grouting rod 4 through the grouting pipe 813 under the pressure of the press, thereby forming a dense composite foundation 9 in the soil below the bottom plate of the cylinder.

[0044] Construction process:

[0045] The earthquake monitoring device with grouting filling function described in Example 1 is constructed as follows:

[0046] Step 1: dig a pit that meets the requirements for seismic data observation at a location on the surface to obtain an observation pit.

[0047] Step 2: After leveling the bottom of the observation pit, install the cylinder bottom plate 2.

[0048] Step 3: vertically insert the grouting rod 4 into the soil below the cylinder bottom plate 2 through the mounting through hole 21 on the cylinder bottom plate 2 , and tighten and fix the top end of the grouting rod 4 to the mounting through hole 21 .

[0049] Step 4: Connect the grouting equipment 8 to the grouting rod 4 through the grouting pipe 813; then, turn on the grouting equipment 8 to inject cement slurry into the soil below the cylinder bottom plate 2 through the grouting rod 4 to form a composite foundation 9 below the cylinder bottom plate 2.

[0050] Step 5: Install the observation tube 1 , and then install the first partition plate 11 and the second partition plate 12 in the observation tube 1 .

[0051] Step 6: Install the seismograph 5 , power supply 6 and data acquisition equipment 7 in the observation tube 1 .

[0052] Step 7: Install the cylinder cover 3 to the top of the observation cylinder 1. Now the installation of the earthquake monitoring device is completed.

[0053] The earthquake monitoring device with grouting filling function described in this embodiment 1 is used to place the power supply and data acquisition equipment by arranging a first partition and a second partition on the inner wall of the observation tube; a mounting through hole is opened on the bottom plate of the tube for installing the grouting rod, and then the mixed cement slurry is pressurized and injected into the bottom of the tube bottom plate through the grouting equipment to form a composite foundation under the bottom plate of the tube, achieving the same use effect as the observation pier; after the observation tube is installed, the seismograph, power supply and data acquisition equipment are assembled in sequence to form a fully functional and effective earthquake observation station.

[0054] In this embodiment 1, by grouting and filling the bottom of the cylinder to reinforce it, the device structure is simple and easy to operate, and at the same time it can improve the density of the soil under the device, improve the observation quality and data accuracy; the bottom of the observation cylinder is reinforced with soil by grouting, and there is no need to construct an observation pier separately. The installation method is simple, and the observation effect is better than using a steel plate as the bottom plate alone.

[0055] Example 2

[0056] As attached Figure 5 As shown, the structure and principle of the earthquake monitoring device with grouting filling function provided in this embodiment 2 are basically the same as those of the earthquake monitoring device with grouting filling function described in the above embodiment 1.

[0057] The differences are as follows:

[0058] This embodiment 2 also includes a solar power supply system 10, which is arranged on the side surface of the observation tube 1, and the output end of the solar power supply system 10 is connected to the power supply 6; wherein, the solar power supply system 10 is used to charge the power supply 6; preferably, the power supply 6 is a battery.

[0059] Specifically, the solar power supply system 10 includes a support pole base 101, a support pole 102, a solar panel 103, a connecting wire 104, a controller and an inverter; the support pole base 101 is buried in the side of the observation tube 1, and the support pole 102 is vertically fixed above the support pole base 101; the solar panel 103 is installed at the top of the support pole 102, and the output end of the solar panel 103 is connected to the input end of the solar controller via the connecting wire 104, and the output end of the solar controller is connected to the power supply 6; the output end of the power supply 6 is directly connected to the power supply end of the seismograph 5 and the data acquisition equipment 7, or is connected to the power supply end of the seismograph 5 or the data acquisition equipment 7 through the solar controller and the inverter.

[0060] The remaining structures of the earthquake monitoring device with grouting filling function provided in this embodiment 2 are basically the same as the earthquake monitoring device with grouting filling function described in the above embodiment 1, and will not be repeated here; in this embodiment 2, a solar power supply system 10 is provided to provide continuous power to the power supply 6 in the observation tube 1, thereby ensuring the continuous and reliable operation of the device and effectively improving the scope of application of the device.

[0061] The earthquake monitoring device described in the present invention forms a relatively stable observation environment by vertically setting the observation tube in a pre-excavated observation pit and equipping it with a tube bottom plate, which helps to reduce the impact of external interference, such as surface vibration, temperature change, etc., on the earthquake monitoring data, thereby improving the accuracy and reliability of the data; the grouting rod is vertically inserted into the soil through the installation hole on the tube bottom plate, and cement slurry is poured into the soil, which can reinforce the foundation, improve the bearing capacity and stability of the soil, thereby ensuring the stability and safety of the earthquake monitoring device during long-term use; at the same time, the grouting rod can connect the tube bottom plate and the composite foundation as a whole to avoid the occurrence of voids under the tube bottom plate, thereby effectively improving the accuracy of the earthquake monitoring data.

[0062] In the utility model, the grouting filling function is used to form a composite foundation of the bottom soil of the observation pit, replacing the traditional observation pier, so that the device can adapt to the earthquake monitoring needs under various geological conditions. Whether on a soft soil foundation or a hard soil foundation, the foundation can be reinforced by grouting to ensure the stability and accuracy of the earthquake monitoring device; it has the advantages of easy installation and simple operation.

[0063] The above embodiment is only one of the implementation methods that can realize the technical solution of the present invention. The scope of protection claimed by the present invention is not limited only to this embodiment, but also includes within the technical scope disclosed by the present invention, any changes, replacements and other implementation methods that can be easily thought of by any technician familiar with this technical field.

Claims

1. An earthquake monitoring device with grouting filling function, characterized in that: It comprises an observation tube (1), a bottom plate of the tube (2), a grouting rod (4) and a seismograph (5); The observation tube (1) is vertically arranged in a pre-excavated observation pit; wherein the observation tube (1) is a hollow cylindrical structure with upper and lower openings; the cylindrical bottom plate (2) is cooperatively mounted on the bottom end of the observation tube (1), and the cylindrical bottom plate (2) is evenly provided with mounting through holes (21); The grouting rod (4) is vertically inserted into the soil below the cylinder bottom plate (2) through the installation through hole (21) to inject cement slurry into the soil below the cylinder bottom plate (2); wherein the top end of the grouting rod (4) extends to the top surface of the cylinder bottom plate (2), and the outer side of the top end of the grouting rod (4) is sealed and fixedly connected to the inner wall of the installation through hole (21); The seismograph (5) is installed at the center of the top surface of the cylinder bottom plate (2).

2. The earthquake monitoring device with grouting filling function according to claim 1, characterized in that: The top outer wall of the grouting rod (4) is provided with a mounting thread (42), and the inner wall of the mounting through hole (21) is provided with an internal thread; the mounting thread (42) is connected in cooperation with the internal thread, so that the top end of the grouting rod (4) and the mounting through hole (21) are sealed and fixedly connected.

3. The earthquake monitoring device with grouting filling function according to claim 1, characterized in that: The invention also includes a power supply (6) and a data acquisition device (7), both of which are mounted on the inner wall of the observation tube (1); wherein the power supply (6) is used to provide electrical energy to the seismograph (5) and the data acquisition device (7), and the input end of the data acquisition device (7) is connected to the output end of the seismograph (5).

4. The earthquake monitoring device with grouting filling function according to claim 3, characterized in that: A first partition (11) and a second partition (12) are vertically spaced apart on the inner wall of the observation tube (1); the first partition (11) and the second partition (12) are both horizontally fixed on the inner wall of the observation tube (1), and the first partition (11) is located below the second partition (12); the power supply (6) is installed on the upper surface of the first partition (11), and the data acquisition device (7) is installed on the upper surface of the second partition (12).

5. The earthquake monitoring device with grouting filling function according to claim 1, characterized in that: A bottom plate groove (22) is provided on the circumference of the upper surface of the cylinder bottom plate (2), and the bottom end of the cylinder body of the observation cylinder (1) is inserted into the bottom plate groove (22).

6. The earthquake monitoring device with grouting filling function according to claim 5, characterized in that: The outer edge top surface of the bottom plate groove (22) extends vertically upward to form a bottom plate boss (23), and the inner surface of the bottom plate boss (23) is sealed and fitted with the outer surface of the bottom end of the cylinder body of the observation cylinder (1).

7. The earthquake monitoring device with grouting filling function according to claim 1, characterized in that: It also includes grouting equipment (8); the grouting port of the grouting equipment (8) is connected to the grouting port of the grouting rod (4) via a grouting pipeline, and is used to provide cement slurry of a preset pressure to the grouting rod (4).

8. The earthquake monitoring device with grouting filling function according to claim 3, characterized in that: It also includes a solar power supply system (10); the solar power supply system (10) is arranged on the side surface of the observation tube (1), and the output end of the solar power supply system (10) is connected to the power supply (6).

9. The earthquake monitoring device with grouting filling function according to claim 1, characterized in that: It also includes a cylinder cover plate (3), which is detachably mounted on the top end of the observation cylinder (1).

10. The earthquake monitoring device with grouting filling function according to claim 1, characterized in that: The mounting through holes (21) on the cylinder bottom plate (2) are distributed in a plum blossom shape, and a grouting rod (4) is inserted into each mounting through hole (21).

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