Grouting and water plugging integrated equipment for underground water leakage in tunnel

Abstract

The invention belongs to the technical field of tunnel grouting equipment, and particularly relates to grouting and water plugging integrated equipment for underground water leakage in a tunnel, the grouting and water plugging integrated equipment comprises a carriage, a stock bin, a discharging bin and a water plugging grouting head, the stock bin is installed on the right side of the top of the carriage and inclines downwards, the discharging bin is installed on the left side of the stock bin, and a discharging pump is installed in the discharging bin; the discharging pump is communicated with the stock bin; a discharging pipe is installed on the left side of the discharging bin and communicates with a discharging pump. An adapter is mounted at the left end of the discharging pipe; according to the scheme, integrated operation can be achieved, grouting and water plugging can be carried out at the same time, the air bag arranged on the outer side of the water plugging head can block water leaking out of the grouting position, good conditions are created for smooth grouting, interference of water flow to the grouting process is avoided, and the grouting efficiency and the success rate are improved; and meanwhile, the contact head can feed back the geological condition of the grouting position, a basis is provided for grouting adjustment, and grouting operation is more scientific and reasonable.

Description

Technical Field

[0001] The invention relates to the technical field of tunnel grouting equipment, in particular to integrated grouting and water blocking equipment for groundwater leakage in tunnels. Background Art

[0002] A tunnel is an engineering structure, usually buried underground, underwater or in a mountain. The main function of a tunnel is to allow vehicles, pedestrians, water, pipelines, etc. to pass through. It is also used in special fields such as military engineering and mining. According to their location and purpose, tunnels can be divided into different types, such as urban tunnels, mountain tunnels, underwater tunnels (including river crossing tunnels and submarine tunnels), as well as highway tunnels, railway tunnels, pedestrian tunnels, water or pipeline tunnels and special tunnels for military use. In addition, according to their location and purpose, tunnels can also be divided into mountain tunnel engineering, underwater tunnel engineering and urban tunnel engineering. During the tunnel construction process, it is necessary to fill the gaps in the excavated tunnel surface to make the supporting surface more stable and reduce the risk of collapse. However, due to the presence of groundwater in the tunnel, it will flow or gush out from the gaps. If it is filled directly, it is easy to cause the filling slurry to be washed away, and it is not easy to form accumulation. The filling slurry is seriously wasted and the filling effect is not good. Therefore, it is necessary to block or reduce the impact of water flow on the filling slurry during the filling process. For this reason, we proposed an integrated grouting and water blocking equipment for groundwater leakage in tunnels to improve the grouting efficiency. Summary of the invention

[0003] The purpose of the present invention is to provide an integrated grouting and water plugging device for groundwater leakage in a tunnel, so as to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an integrated grouting and water plugging device for groundwater leakage in a tunnel, comprising a carriage, a silo, a discharge silo and a water plugging grouting head, wherein a silo is installed on the top right side of the carriage, the silo is inclined downward, a discharge silo is installed on the left side of the silo, a discharge pump is installed in the discharge silo, and the discharge pump and the silo are connected to each other; A discharge pipe is installed on the left side of the discharge bin, and the discharge pipe is connected to the discharge pump; a switching joint is installed on the left end of the discharge pipe, a plurality of connecting pipes are installed on the left side of the switching joint, and a water plugging grouting head is installed on the left end of the connecting pipe; The grouting head is connected to the connecting pipe, and the grouting holes are evenly distributed on the surface of the grouting head; the water blocking grouting head is composed of a grouting head and a water blocking head, and the water blocking head is arranged on the left side of the grouting head; An air bag is arranged outside the water plugging head, and an air valve and an air pressure sensor are arranged on the outer wall of the water plugging head. The air valve is connected to the air pipe, and the air bag is inflated by the air valve. The diameter of the air bag after expansion is larger than the diameter of the grouting head. A contact head is installed at the left end of the water blocking head. The contact head is disc-shaped, and a detection sensor is symmetrically arranged on the left side of the contact head. The detection sensor is embedded in the contact head, and the detection sensor includes a temperature sensor, a humidity sensor, and an ultrasonic sensor.

[0005] Preferably, a plurality of discharge valves are installed in the adapter, and the number of the discharge valves corresponds to the number of the connecting pipes, and each discharge valve is respectively communicated with the corresponding connecting pipe.

[0006] Preferably, a protective tube is fixed to the top of the inner cavity of the connecting tube, and connecting wires are arranged in the protective tube, and the connecting wires include an air pipe and a data line.

[0007] Preferably, a retaining ring is installed on the right side of the grouting head, the retaining ring is movably sleeved on the connecting pipe, and extension plates are symmetrically welded on both sides of the retaining ring, and locking bolts are screwed on the extension plates to fix the retaining ring on the rock wall.

[0008] Preferably, the grouting hole adopts a tapered inner diameter, with the largest diameter close to the material source end, which is conducive to the rapid outflow of the slurry, and the diameter gradually decreases away from the material source end, so that the slurry can be sprayed outward when passing through the grouting hole, thereby enhancing the grouting penetration effect; at the same time, an anti-stick coating is coated on the inner wall of the grouting hole.

[0009] Preferably, a squeeze sensor is provided on a side of the abutment head close to the airbag, and the airbag contacts the squeeze sensor when it expands.

[0010] Preferably, a slurry outlet is provided in the middle of the abutment head, the slurry outlet is communicated with the grouting head, and a control valve is installed at the connection between the slurry outlet and the grouting head.

[0011] Integrated operation process: When performing the operation, first inject the filling slurry into the silo, use an electric drill to grind the grouting position in advance to make it flat, and then plug the water-blocking grouting head into the grouting position; start the discharge pump to pump the filling slurry to the water-blocking grouting head and inject it through the grouting hole; before grouting, inflate the airbag through the valve to block water, and the detection sensor and control valve work together to realize the control of the grouting process and complete the integrated grouting and water-blocking operation.

[0012] The role of ultrasonic sensors: In tunnel grouting and water blocking operations, ultrasonic sensors can detect the geological structure of the grouting location by emitting and receiving ultrasonic signals; due to the different reflection, refraction and scattering characteristics of different geological structures such as rock density and porosity to ultrasonic waves, the sensor can analyze relevant information of the geological structure based on the received echo signals.

[0013] The role of temperature sensors: In tunnels, temperature is an important environmental parameter; temperature sensors can monitor the temperature of the grouting location and the surrounding environment in real time; this has an important impact on the performance of grouting materials, because the setting time, fluidity and other characteristics of grouting materials are usually related to temperature.

[0014] Function of humidity sensor: Humidity sensor is mainly used to detect air humidity or medium humidity near the grouting position in the tunnel; in the groundwater leakage area, the air humidity is usually higher; humidity sensor can quantify the humidity change in the leakage area, so as to intuitively understand the degree of groundwater leakage; this helps to make a more accurate assessment of the leakage situation before grouting, determine the key areas of grouting and the required grouting amount.

[0015] Compared with the prior art, the present invention has the following beneficial effects: This solution can realize integrated operation, grouting and water plugging are carried out simultaneously, multiple water plugging grouting heads can realize grouting at multiple grouting positions at the same time, and the grouting work of a single water plugging grouting head can be easily closed through the discharge valve at the adapter, realizing precise control of grouting, and being able to flexibly adjust the grouting position according to the actual leakage situation, which is very convenient; The grouting hole adopts a variable diameter design. It is slightly larger near the source end, which is conducive to the rapid outflow of slurry, and gradually becomes smaller at the far end, so that the slurry can be sprayed farther and more evenly, enhancing the grouting penetration effect and being able to more effectively fill leakage channels and cracks. At the same time, an anti-stick coating is applied to the inner wall of the grouting hole to prevent slurry residue from clogging, ensuring the smooth flow of the grouting hole and further improving the grouting quality; The airbag installed on the outside of the water plugging head has a diameter larger than the diameter of the grouting head after inflation, which can block the water leaking from the grouting position, creating good conditions for smooth grouting, avoiding the interference of water flow on the grouting process, and improving the grouting efficiency and success rate. In addition, the airbag is made of highly elastic and aging-resistant rubber material, and a wear-resistant protective layer is added on the outside to increase its service life, so it can play a stable role in multiple grouting operations; The valve is linked with the air pressure sensor to accurately inflate according to the preset air pressure value, maintain the stable expansion state of the airbag, effectively block the leakage of water, and avoid the situation where the airbag is under-inflated or over-inflated, which affects the water blocking effect or damages the equipment. The detection sensor in the contact head can realize real-time and rapid analysis of multiple data such as temperature, humidity, and ultrasound, and can timely feedback the geological conditions of the grouting location, providing a basis for adjusting the grouting parameters, making the grouting operation more scientific and reasonable, and improving the treatment effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is the front view of the present invention; Figure 2 It is a schematic diagram of the water plugging grouting head of the present invention; Figure 3 This is a front view of the water plugging grouting head of the present invention; Figure 4 It is a first side view of the present invention; Figure 5 It is a second side view of the present invention; Figure 6 This is a schematic diagram of the valve installation position of the present invention; Figure 7 It is a plan view of the water plugging grouting head of the present invention; Figure 8 It is a cross-sectional view of the adapter of the present invention.

[0017] In the figure: 1. Carriage; 2. Silo; 3. Discharge silo; 4. Discharge pipe; 5. Adapter; 5-1. Discharge valve; 6. Connecting pipe; 7. Water-blocking grouting head; 7-1. Retaining ring; 7-2. Grouting head; 7-3. Grouting hole; 7-4. Water-blocking head; 7-5. Air bag; 7-6. Contact head; 7-7. Extrusion sensor; 7-8. Slurry outlet; 7-9. Detection sensor; 7-10. Protection tube; 7-11. Connecting wire; 7-12. Valve; 7-13. Air pressure sensor. DETAILED DESCRIPTION

[0018] 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.

[0019] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0020] Example: See also Figure 1-8 The present invention provides the following technical solutions: an integrated grouting and water plugging device for groundwater leakage in a tunnel, comprising a carriage 1, a silo 2, a discharge silo 3 and a water plugging grouting head 7; the carriage 1 is a bearing body, has the convenience of movement, can quickly reach the leakage point for operation, and is dragged forward by traction; A silo 2 is installed on the top right side of the carriage 1. The silo 2 is tilted downward to facilitate the natural flow of materials. A discharge silo 3 is installed on the left side of the silo 2. A discharge pump is installed in the discharge silo 3, and the discharge pump is connected to the silo 2. A discharge pipe 4 is installed on the left side of the discharge bin 3, and the discharge pipe 4 is connected to the discharge pump; an adapter 5 is installed on the left end of the discharge pipe 4, and a plurality of connecting pipes 6 are installed on the left side of the adapter 5, and a water-blocking grouting head 7 is installed on the left end of the connecting pipe 6; the plurality of water-blocking grouting heads 7 can realize grouting at multiple grouting positions at the same time, and the grouting work of a single water-blocking grouting head 7 can be closed through the discharge valve 5-1 at the connection between the connecting pipe 6 and the adapter 5, so as to achieve the purpose of grouting control; A plurality of discharge valves 5-1 are installed in the adapter 5, and the number of the discharge valves 5-1 corresponds to the number of the connecting pipes 6, and each discharge valve 5-1 is respectively connected to the corresponding connecting pipe 6; A protective tube 7-10 is fixed on the top of the inner cavity of the connecting tube 6, and a connecting wire 7-11 is arranged inside the protective tube 7-10, and the connecting wire 7-11 includes a gas pipe and a data wire; the function of the protective tube 7-10 is to protect the gas pipe and the data wire, and separate the gas pipe and the data wire from the filling slurry; the protective tube 7-10 is made of high-strength and corrosion-resistant material to ensure the safety of the connecting wire 7-11 including the gas pipe and the data wire arranged inside, prevent it from being squeezed and worn by external forces in a complex tunnel environment, and ensure stable data transmission and smooth gas transmission; A retaining ring 7-1 is installed on the right side of the grouting head 7-2, and the retaining ring 7-1 is movably sleeved on the connecting pipe 6. Extension plates are symmetrically welded on both sides of the retaining ring 7-1, and locking bolts are screwed on the extension plates. The retaining ring 7-1 can be fixed to the rock wall using the locking bolts on both sides, as a support for the connecting pipe 6 and the water-blocking grouting head 7, reducing shaking displacement; The grouting head 7-2 is interconnected with the connecting pipe 6, and the grouting holes 7-3 are evenly distributed on the surface of the grouting head 7-2; the grouting holes 7-3 adopt a tapered variable diameter design, which is slightly larger near the source end to facilitate the rapid outflow of the slurry, and gradually becomes smaller at the far end, so that the slurry can be sprayed farther and more evenly, thereby enhancing the grouting penetration effect; at the same time, an anti-stick coating is applied to the inner wall of the grouting hole 7-3 to prevent clogging by residual slurry; The water-blocking grouting head 7 is composed of a grouting head 7-2 and a water-blocking head 7-4. The water-blocking head 7-4 is arranged on the left side of the grouting head 7-2. An airbag 7-5 is arranged on the outside of the water-blocking head 7-4. An air valve 7-12 and an air pressure sensor 7-13 are arranged on the outer wall of the water-blocking head 7-4. The air pressure sensor 7-13 is used to detect the air pressure data in the airbag 7-5. The air valve 7-12 is connected to the air pipe. The airbag 7-5 is inflated by the air valve 7-12. The diameter of the airbag 7-5 after expansion is larger than the diameter of the grouting head 7-2. The left end of the water plugging head 7-4 is equipped with a contact head 7-6, which is disc-shaped, and a detection sensor 7-9 is symmetrically arranged on the left side of the contact head 7-6. The detection sensor 7-9 is embedded in the contact head 7-6, and the detection sensor 7-9 includes a temperature sensor, a humidity sensor, and an ultrasonic sensor; A slurry outlet 7-8 is provided in the middle of the contact head 7-6, and the slurry outlet 7-8 is communicated with the grouting head 7-2, and a control valve is installed at the connection between the slurry outlet 7-8 and the grouting head 7-2; an extrusion sensor 7-7 is provided on the side of the contact head 7-6 close to the airbag 7-5, and the airbag 7-5 contacts the extrusion sensor 7-7 when it expands; an air pump is also installed on the carriage 1, and the air pump is communicated with the air pipe to provide an air source for the airbag 7-5.

[0021] This solution can realize integrated operation, grouting and water plugging are carried out at the same time, and the filling slurry is injected into the silo. Before use, the grouting position is polished with an electric drill, and the sharp protrusions at the grouting position are polished flat, and then the water plugging grouting head 7 is plugged into the grouting position, and the filling slurry in the silo 2 is pumped to the water plugging grouting head 7 by a discharge pump, and the filling slurry is input to the grouting position through the grouting hole 7-3; Before grouting, the air is inflated at the valve 7-12, and the valve 7-12 delivers air to the airbag 7-5 to expand the airbag 7-5. The diameter of the inflated airbag 7-5 is larger than that of the grouting head 7-2. Therefore, the airbag 7-5 is used to block the water leaking from the grouting position, which facilitates smooth grouting and improves the grouting efficiency. The airbag 7-5 is made of highly elastic and aging-resistant rubber material, and a wear-resistant protective layer is added on the outside to increase the service life. The valve 7-12 is an electromagnetic self-controlled valve, which is linked with the air pressure sensor 7-13 and inflated according to the preset air pressure value to maintain the stable expansion state of the airbag 7-5 and effectively block the leakage water flow. The detection sensor 7-9 realizes real-time and rapid analysis of multiple data such as temperature, humidity, and ultrasonic waves, and feeds back the geological conditions of the grouting location, providing a basis for adjusting the grouting parameters; the control valve in the slurry outlet 7-8 is an electric regulating valve, which can control the opening size of the electric regulating valve, control the slurry flow, and realize the grouting operation at the front end of the grouting head 7-2; The extrusion sensor 7-7 is linked to the inflation of the airbag 7-5. When it is detected that the airbag 7-5 is expanded and exposed to extrusion, the inflation is suspended to avoid damage to the equipment due to over-inflation. At the same time, feedback is given to the control system, and then the grouting process is started. The air pump is equipped with an air purification filter to ensure that the gas input into the airbag 7-5 is pure and free of impurities, which does not affect the performance and life of the airbag 7-5 and is convenient for controlling the inflation volume.

[0022] Working principle: Material transportation: With the carriage 1 as the main body, it can be conveniently moved to the groundwater leakage point in the tunnel by traction; a downwardly inclined silo 2 is installed on the top right side of the carriage 1, which is conducive to the natural flow of materials to the discharge silo 3 connected with it. The discharge pump in the discharge silo 3 extracts the filling slurry in the silo 2 and transports it through the discharge pipe 4; The left end of the discharge pipe 4 is connected to the adapter 5, which is further connected to multiple connecting pipes 6. The left end of the connecting pipe 6 is installed with a water plugging grouting head 7 to achieve simultaneous grouting at multiple grouting positions; and the grouting work of a single water plugging grouting head 7 can be closed through the discharge valve 5-1 in the adapter 5 corresponding to the connecting pipe 6, so as to flexibly control the grouting; Water blocking grouting: Connection and fixation: A protective tube 7-10 is provided at the top of the inner cavity of the connecting pipe 6 to protect the connecting wire 7-11 including the gas pipe and the data cable inside; the retaining ring 7-1 on the right side of the grouting head 7-2 is movably sleeved on the connecting pipe 6, and can be fixed to the rock wall through the locking bolts on the extension plates on both sides of the retaining ring 7-1, thereby reducing the shaking and displacement of the connecting pipe 6 and the water-blocking grouting head 7; The grouting head 7-2 is connected to the connecting pipe 6, and the surface of the grouting hole 7-3 with a tapered variable diameter design is evenly distributed, which is large near the source end and gradually becomes smaller at the far end, which is conducive to the rapid outflow of the slurry and the spraying is farther and more uniform, thereby enhancing the grouting penetration effect. At the same time, the inner wall of the grouting hole 7-3 is coated with an anti-stick coating to prevent clogging; The water-blocking grouting head 7 is composed of a grouting head 7-2 and a water-blocking head 7-4. An airbag 7-5 is arranged on the outside of the water-blocking head 7-4, and a valve 7-12 and an air pressure sensor 7-13 are arranged on the outer wall. The air pump on the carriage 1 is connected to the valve 7-12 through an air pipe to inflate the airbag 7-5. The air pressure sensor 7-13 detects the air pressure in the airbag 7-5. The valve 7-12 is an electromagnetic self-controlled valve, which is linked with the air pressure sensor 7-13 and inflated according to the preset air pressure value, so that the diameter of the airbag 7-5 after expansion is larger than the grouting head 7-2, thereby blocking the leaking water, facilitating grouting and improving efficiency. The airbag 7-5 is made of highly elastic and aging-resistant rubber material and is provided with a wear-resistant protective layer to improve the service life. There is a slurry outlet 7-8 in the middle of the contact head 7-6 at the left end of the water plugging head 7-4, which is connected to the grouting head 7-2, and an electric regulating valve is installed at the connection to control the slurry flow rate; there is a detection sensor 7-9 on the left side of the contact head 7-6, including temperature, humidity, and ultrasonic sensors, which analyze the geological conditions of the grouting position in real time and provide a basis for adjusting the grouting parameters; an extrusion sensor 7-7 is arranged on the side of the contact head 7-6 close to the airbag 7-5, and the extrusion sensor 7-7 is linked to the inflation of the airbag 7-5. When the airbag 7-5 expands and contacts the extrusion sensor 7-7, the inflation of the airbag 7-5 is suspended and fed back to the control system, and then the grouting process is started; in addition, the air pump is equipped with an air purification filter to ensure that the gas input into the airbag 7-5 is pure, does not affect the performance and life of the airbag 7-5, and is also convenient for accurate control of the inflation volume; Integrated operation process: when performing the operation, first inject the filling slurry into the silo, use an electric drill to grind the grouting position in advance to make it flat, and then plug the water-blocking grouting head 7 into the grouting position; start the discharge pump, pump the filling slurry to the water-blocking grouting head 7, and inject it through the grouting hole 7-3; before grouting, inflate the airbag 7-5 through the valve 7-12 to block the water, and the detection sensor 7-9 and the control valve work together to realize the control of the grouting process and complete the integrated grouting and water-blocking operation; at the same time, at least one control system is installed on the carriage 1, and the control system mainly consists of two parts: hardware and software; the hardware part includes various sensors (such as air pressure sensor 7-13, detection sensor 7-9, extrusion sensor 7-7, etc.), controller (such as programmable logic controller PLC or microcontroller), actuator (such as discharge pump, air pump, electric control valve, etc.) and data connection line; the software part is the program code running in the controller, which is used to process the data collected by the sensor and control the action of the actuator according to this data; Function of ultrasonic sensors: In tunnel grouting and water blocking operations, ultrasonic sensors can detect the geological structure of the grouting location by emitting and receiving ultrasonic signals. Due to the different reflection, refraction and scattering characteristics of ultrasonic waves due to different geological structures such as rock density and porosity, the sensor can analyze relevant information about the geological structure based on the received echo signal; for example, it can determine whether there are cavities around the grouting location, the distribution and depth of cracks, etc. This information is very important for evaluating the difficulty and potential risks of grouting. During the installation of the water plugging grouting head, the ultrasonic sensor can assist in determining the relative position of the water plugging grouting head 7 and the tunnel wall or leakage point; and during the grouting process, the diffusion range and flow path of the grouting material are continuously monitored; by comparing the changes in the ultrasonic reflection signal at different times, it is understood whether the grouting material fills the cracks or voids as expected, ensuring that the grouting effect is uniform and effective; According to the geological conditions fed back by the ultrasonic sensor, it provides a basis for adjusting the parameters such as grouting pressure, grouting speed and grouting volume. If it is detected that the geological structure is relatively loose or there are large voids, it may be necessary to appropriately reduce the grouting speed and increase the grouting volume to prevent excessive loss of grouting materials or damage to the surrounding geological structure. The role of temperature sensors: In tunnels, temperature is an important environmental parameter; temperature sensors can monitor the temperature of the grouting location and the surrounding environment in real time; this has an important impact on the performance of grouting materials, because the solidification time, fluidity and other characteristics of grouting materials are usually related to temperature; for example, in a low temperature environment, the solidification time of some grouting materials may be prolonged. At this time, it is necessary to adjust the grouting plan appropriately according to the feedback of the temperature sensor, such as extending the waiting time after grouting to ensure that the grouting material can fully solidify and achieve a good water blocking effect; Temperature changes may also indicate changes in geological conditions; for example, in groundwater leakage areas, the water temperature may be different from the ambient temperature; temperature anomalies detected by temperature sensors can help determine the direction and range of groundwater flow and further understand the leakage situation; in addition, during the grouting process, if the temperature rises abnormally, it may be due to the chemical reaction of the grouting material or the interaction with the surrounding geological structure. This can serve as an early warning signal to remind operators to pay attention to the grouting effect and equipment operation to prevent safety hazards; Function of humidity sensor: humidity sensor is mainly used to detect air humidity or medium humidity near the grouting location in the tunnel; in the groundwater leakage area, the air humidity is usually higher; humidity sensor can quantify the humidity change in the leakage area, so as to intuitively understand the degree of groundwater leakage; this helps to make a more accurate assessment of the leakage situation before grouting, determine the key areas of grouting and the required grouting amount; During the grouting process and after the grouting is completed, the humidity sensor can continuously monitor the changes in the ambient humidity; if the humidity gradually decreases, it means that the grouting measures have effectively reduced the leakage of groundwater and achieved the purpose of water blocking; on the contrary, if the humidity does not change significantly or even increases, it may indicate that the grouting effect is not good, and it is necessary to further check whether there are unblocked leakage channels at the grouting location or whether the grouting material is evenly distributed so that remedial measures can be taken in time.

[0023] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is limited by the attached claims rather than the above description. Therefore, it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the present invention, and any figure marks in the claims should not be regarded as limiting the claims involved.

[0024] 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 that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An integrated grouting and water plugging device for groundwater leakage in a tunnel, comprising a carriage (1), a silo (2), a discharge silo (3) and a water plugging grouting head (7), characterized in that: A silo (2) is installed on the right side of the top of the carriage (1), the silo (2) is tilted downward, a discharge silo (3) is installed on the left side of the silo (2), a discharge pump is installed in the discharge silo (3), and the discharge pump and the silo (2) are connected to each other; A discharge pipe (4) is installed on the left side of the discharge bin (3), and the discharge pipe (4) is connected to the discharge pump; a switching joint (5) is installed on the left end of the discharge pipe (4), a plurality of connecting pipes (6) are installed on the left side of the switching joint (5), and a water plugging grouting head (7) is installed on the left end of the connecting pipe (6); The grouting head (7-2) and the connecting pipe (6) are interconnected, and the grouting holes (7-3) are evenly distributed on the surface of the grouting head (7-2); the water-blocking grouting head (7) is composed of a grouting head (7-2) and a water-blocking head (7-4), and the water-blocking head (7-4) is arranged on the left side of the grouting head (7-2); An air bag (7-5) is arranged outside the water plugging head (7-4), and an air valve (7-12) and an air pressure sensor (7-13) are arranged on the outer wall of the water plugging head (7-4); the air valve (7-12) and the air transmission pipe are connected to each other, and the air bag (7-5) is inflated by the air valve (7-12); the diameter of the air bag (7-5) after expansion is larger than the diameter of the grouting head (7-2); A contact head (7-6) is installed at the left end of the water plugging head (7-4); the contact head (7-6) is disc-shaped, and a detection sensor (7-9) is symmetrically arranged on the left side of the contact head (7-6); the detection sensor (7-9) is embedded in the contact head (7-6), and the detection sensor (7-9) comprises a temperature sensor, a humidity sensor, and an ultrasonic sensor.

2. The integrated grouting and water blocking equipment for groundwater leakage in tunnels according to claim 1 is characterized in that: A plurality of discharge valves (5-1) are installed in the adapter (5), and the number of the discharge valves (5-1) corresponds to the number of the connecting pipes (6), and each discharge valve (5-1) is respectively connected to a corresponding connecting pipe (6).

3. The integrated grouting and water blocking equipment for groundwater leakage in tunnels according to claim 1 is characterized in that: A protective tube (7-10) is fixed to the top of the inner cavity of the connecting tube (6), and connecting wires (7-11) are arranged inside the protective tube (7-10). The connecting wires (7-11) include an air transmission pipe and a data wire.

4. The integrated grouting and water blocking equipment for groundwater leakage in tunnels according to claim 1 is characterized in that: A retaining ring (7-1) is installed on the right side of the grouting head (7-2), the retaining ring (7-1) is movably sleeved on the connecting pipe (6), and extension plates are symmetrically welded on both sides of the retaining ring (7-1), and locking bolts are screwed on the extension plates, and the retaining ring (7-1) is fixed to the rock wall by means of the locking bolts.

5. The integrated grouting and water blocking equipment for groundwater leakage in tunnels according to claim 1 is characterized in that: The grouting hole (7-3) has a tapered inner diameter, with the largest diameter near the material source end, which is conducive to the rapid outflow of slurry, and the diameter gradually decreases away from the material source end, so that the slurry can be sprayed outward when passing through the grouting hole (7-3), thereby enhancing the grouting penetration effect; at the same time, an anti-stick coating is coated on the inner wall of the grouting hole (7-3).

6. The integrated grouting and water blocking equipment for groundwater leakage in tunnels according to claim 1 is characterized in that: A squeeze sensor (7-7) is provided on one side of the abutment head (7-6) close to the airbag (7-5), and contacts the squeeze sensor (7-7) when the airbag (7-5) expands.

7. The integrated grouting and water blocking equipment for groundwater leakage in tunnels according to claim 1 is characterized in that: A slurry outlet (7-8) is provided in the middle of the abutment head (7-6), the slurry outlet (7-8) and the grouting head (7-2) are in communication with each other, and a control valve is installed at the connection between the slurry outlet (7-8) and the grouting head (7-2).

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