A device and method for blocking water and mud bursts in tunnels

Abstract

The present invention belongs to the technical field of tunnel engineering, and specifically is a device and method for sealing water and mud inrush in a tunnel, comprising a sealing seat, wherein a support seat is slidably connected inside the sealing seat; a pressure ring is fixedly connected to the left and right sides of the support seat; the pressure ring is circular in shape; a gathering plate is rotatably connected inside the sealing seat; the number of the gathering plates is two and they are symmetrically arranged; a rotating shaft adapted to the gathering plate is arranged inside the sealing seat; the pressure ring will then contact and squeeze one end of the gathering plate, and then the gathering plates on both sides will rotate at a certain angle, and the two gathering plates will push the mud on both sides to gather together, so that the mud and sand can seal the water and mud inrush opening; the entire sealing seat is blocked on one side of the water and mud inrush, so as to prevent groundwater wrapped in mud from suddenly rushing into the tunnel, and the safety is high, which is conducive to the normal excavation of the tunnel.

Description

Technical Field

[0001] The invention belongs to the technical field of tunnel engineering, and in particular to a device and method for blocking water and mud inrush in a tunnel. Background Art

[0002] During the construction and use of tunnels, there are serious risks of geological disasters such as sudden water and mud. In particular, sudden water and mud disasters in deep buried tunnels are often characterized by suddenness, large flow, and high water pressure. Once a disaster occurs, the tunnel will be submerged and construction will be interrupted at the least. In serious cases, it will cause major casualties and economic losses. Some projects may even be forced to stop construction or change routes.

[0003] Most of the sudden water and mud inrush in tunnels occur in karst-developed areas, and some occur in water-rich fault zones. During the tunnel construction process, due to the release of tunnel excavation stress, the groundwater in the aquifer overcomes the resistance of impermeable layers, faults and fissure zones under the action of head pressure, wraps up mud and sand, and suddenly rushes into the tunnel. This phenomenon is called sudden water and mud inrush.

[0004] The existing devices are rather troublesome in blocking sudden water and mud. However, when sudden water and mud disasters occur, they are likely to cause adverse effects such as equipment loss, threat to personnel safety, and delay in construction period.

[0005] To this end, the present invention provides a tunnel water and mud burst blocking device and blocking method. Summary of the invention

[0006] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0007] The technical solution adopted by the present invention to solve its technical problems is: a tunnel water and mud sudden plugging device described in the present invention comprises a plugging seat, the interior of the plugging seat is slidably connected with a support seat; the left and right sides of the support seat are fixedly connected with a pressure ring; the pressure ring is circular in shape; the interior of the plugging seat is rotatably connected with a gathering plate; the number of the gathering plates is two, and they are symmetrically arranged; the interior of the plugging seat is provided with a rotating shaft adapted to the gathering plate; the shape of the gathering plate close to one end of the pressure ring is arc-shaped; the outer surface of the plugging seat is provided with a sealing plate; the existing device is more troublesome in plugging water and mud sudden, but when a water and mud sudden disaster occurs, it is easy to cause equipment loss, personnel safety is threatened, construction period delays and other adverse effects; when using this device, the staff First, align the sealing plate on the surface of the sealing seat with the inner wall of the tunnel on one side of the water and mud bursting opening. At this time, the tunnel, the sealing seat and the gathering plates on both sides will form a sealing space, and the mud and sand will be sealed in this space; when muddy water or mud flows out of this water and mud bursting opening, the support seat inside the sealing seat will be subjected to pressure and move a certain distance, and the support seat will simultaneously drive the pressure ring to move, and the pressure ring will then contact and squeeze one end of the gathering plate, and then the gathering plates on both sides will rotate at a certain angle, and the two gathering plates will push the mud and sand on both sides to gather together, so that the mud and sand will block the water and mud bursting opening; the entire sealing seat is blocked on one side of the water and mud bursting, so as to prevent groundwater wrapped in mud and sand from suddenly rushing into the tunnel, and it has high safety, avoids damage to equipment, and is conducive to the normal excavation of the tunnel.

[0008] Preferably, filter cloth is provided on the surfaces of the two gathering plates; water holes are provided inside the two gathering plates, and a plurality of water holes are provided and are equidistantly provided inside the gathering plates; the cross-sectional shape of the water holes is wide at the top and narrow at the bottom; during operation, when the gathering plates on both sides rotate and gather the mud and sand together, part of the mud and water in the mud and sand will flow out of the outside of the gathering plates through the filter cloth and the water holes; thereby reducing the pressure on the inner side of the gathering plates, which is beneficial to maintaining the pressure on one side of the water and mud gushing outlet, thereby avoiding the phenomenon that the mud and sand inside the water and mud gushing outlet enters the tunnel; the safety is high.

[0009] Preferably, the length of the filter cloth itself is greater than the length of the gathering plate; the material of the filter cloth is polyester fiber; the filter cloth made of polyester fiber has good deformation adaptability and good plane drainage ability, and its surface is soft and has multiple gaps with a good friction coefficient; it can increase the adhesion ability of soil particles, etc., prevent fine particles from passing through, block the loss of particles, and eliminate excess water, which is beneficial to maintaining the effect of stabilizing the pressure of sediment inside the gathering plate.

[0010] Preferably, the interior of the blocking seat is fixedly connected to a reinforcement cavity, and the support seat is slidably connected to the interior of the reinforcement cavity; the inner wall of the reinforcement cavity is fixedly connected to a pressure spring; the bottom surface of the support seat is connected to the upper surface of the pressure spring; the inner wall of the reinforcement cavity is fixedly connected to a telescopic rod; when working, the bottom surface of the support seat is connected to the pressure spring, the pressure spring can give the support seat a certain supporting force, and in the process of movement of the support seat, the support seat will press down the pressure spring and the telescopic rod, so that under the interaction of the pressure spring and the telescopic rod, the support seat can always be in an axial position, avoiding the support seat from being skewed during movement, which is beneficial for the pressure rings on both sides to drive the gathering plate to rotate.

[0011] Preferably, each of the water permeable holes is fixedly connected to a cross bar, and the outer surface of the cross bar is rotatably connected to a rotating ring; the outer surface of the cross bar is provided with a rotating rod adapted to the rotating ring; during operation, when part of the mud and water flows into the water permeable hole, the rotating ring inside the water permeable hole will rotate at a certain angle due to the impact of the mud and water, and the mud and water will flow out of the water permeable hole as soon as possible under the rotation of the rotating ring, which is conducive to maintaining the pressure of the mud and sand inside the gathering plate, and is more convenient to use.

[0012] Preferably, the sealing seat is fixedly connected to a pressure relief seat inside; the pressure relief seat is rotatably connected to a baffle plate inside; the number of baffle plates inside a single pressure relief seat is two, and they are symmetrically arranged; a rotating column adapted to the baffle plate is arranged inside the pressure relief seat; a pressure rod is slidably connected to the inside of the pressure relief seat; a flow pipe is fixedly connected to the sealing seat inside, and one end of the flow pipe is connected to the bottom of the pressure relief seat; in this embodiment, the pressure rod is on the side away from the baffle plates on both sides, and the baffle plates on both sides are in contact with each other; when working, when the mud and sand on the inner side of the gathering plate When there is too much, the pressure on the support seat will be too great, so that the pressure ring drives the gathering plate to rotate too much, so that the gathering plate will contact and squeeze the pressure rod, causing the pressure rod to move to the side close to the baffle, and then the pressure rod will contact the surface of the baffle, and the baffle will be compressed, so that the baffles on both sides will open, so that the baffle no longer blocks the top of the flow pipe. At this time, part of the mud and sand will be squeezed out to the outside of the gathering plate through the flow pipe, avoiding the problem of damage to the device caused by excessive mud and sand on the inside of the gathering plate, which is beneficial to the blocking of sudden water and mud, and is safer and more efficient to use.

[0013] Preferably, a pressure spring is fixedly connected to the inner wall of the pressure relief seat, and the baffle inside a single pressure relief seat is arranged in a V shape; the opposite surfaces of the two baffles are fixedly connected to an adhesive plate; a pressure spring is provided to support the baffle, and under the action of the adhesive plate, the baffles on both sides can be closed in the initial state, thereby making it more convenient to seal the circulation pipeline when it is not in use, which is more convenient to use.

[0014] Preferably, a compression spring is fixedly connected to the inside of the sealing plate, and a rubber plate is fixedly connected to the surface of the compression spring; the provision of the compression spring can help the rubber plate to better adhere to the inner wall of the tunnel when it contacts the inner wall of the tunnel, thereby conveniently making the gathering plate form a closed space.

[0015] Preferably, the lower surface of the sealing seat is fixedly connected to a connecting seat, and the left and right sides of the connecting seat are fixedly connected to connecting bolts; the sealing seat can be fixedly installed on the excavator bucket through the connecting bolts on the surface of the connecting seat, and the sealing seat can be moved to the water and mud sudden outlet position through the excavator bucket.

[0016] A method for blocking water and mud inrush in a tunnel, the method being applicable to a device for blocking water and mud inrush in a tunnel as described in any one of the above, comprising the following steps:

[0017] S1. The staff first aligns the sealing plate on the surface of the plugging seat with the inner wall of the tunnel on the side of the water and mud bursting port. At this time, the tunnel, the plugging seat and the gathering plates on both sides will form a plugging space, and the mud and sand will be sealed in this space;

[0018] S2. When muddy water or mud flows out of the water and mud bursting port, the support seat inside the blocking seat will be under pressure and move a certain distance, and the support seat will also drive the pressure ring to move, and the pressure ring will then contact and squeeze one end of the gathering plate;

[0019] S3. Afterwards, the gathering plates on both sides will rotate at a certain angle, and the two gathering plates will push the mud and sand on both sides to gather together, so that the mud and sand can block the water and mud bursting opening; so that the entire blocking seat can be blocked on one side of the water and mud bursting.

[0020] The beneficial effects of the present invention are as follows:

[0021] 1. A tunnel water and mud burst plugging device and method described in the present invention, through a pressure ring, will then contact and squeeze one end of a gathering plate, and then the gathering plates on both sides will rotate at a certain angle, and the two gathering plates will push the mud on both sides to gather together, so that the mud will block the water and mud burst opening; the entire sealing seat is blocked on one side of the water and mud burst, preventing groundwater from wrapping mud and suddenly rushing into the tunnel, and the safety is relatively high, avoiding damage to equipment, and is conducive to the normal excavation of the tunnel.

[0022] 2. The device and method for blocking sudden water and mud in a tunnel described in the present invention moves a pressure rod to the side close to the baffle plate, and then the pressure rod comes into contact with the surface of the baffle plate and the baffle plate is compressed, so that the baffle plates on both sides open, so that the baffle plate no longer blocks the upper part of the flow pipe. At this time, part of the mud and sand will be squeezed out to the outside of the gathering plate through the flow pipe, avoiding the problem of damage to the device due to excessive mud and sand on the inside of the gathering plate, which is beneficial to the blocking of sudden water and mud and is safer and more efficient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The present invention will be further described below in conjunction with the accompanying drawings.

[0024] Figure 1 is a stereogram of the present invention;

[0025] Figure 2 is a cross-sectional view of the present invention;

[0026] Figure 3 The present invention Figure 2 A local enlarged view of point A;

[0027] Figure 4 The present invention Figure 2 A partial enlarged view of point B;

[0028] Figure 5 The present invention Figure 4 A partial enlarged view of point C;

[0029] Figure 6 It is a partial structural schematic diagram of the sealing plate in the present invention;

[0030] Figure 7 is a schematic structural diagram of a connecting socket in a second embodiment of the present invention;

[0031] Figure 8 It is a flow chart of the method in the present invention.

[0032] In the figure: 1. blocking seat; 2. supporting seat; 3. pressure ring; 4. gathering plate; 41. rotating shaft; 5. sealing plate; 6. filter cloth; 7. water-permeable hole; 8. reinforcement cavity; 9. pressure spring; 10. telescopic rod; 11. cross bar; 12. rotating ring; 13. pressure relief seat; 14. baffle; 15. pressure rod; 16. circulation pipeline; 17. pressure spring; 18. adhesion plate; 19. compression spring; 20. rubber plate; 21. connecting seat; 22. connecting bolt. DETAILED DESCRIPTION

[0033] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0034] Embodiment 1

[0035] like Figures 1 to 4 As shown, a tunnel water and mud sudden burst sealing device described in an embodiment of the present invention comprises a sealing seat 1, wherein the sealing seat 1 is internally slidably connected with a support seat 2; the left and right sides of the support seat 2 are fixedly connected with a pressure ring 3; the pressure ring 3 is circular in shape; the sealing seat 1 is internally rotatably connected with a gathering plate 4; the number of the gathering plates 4 is two, and they are symmetrically arranged; the sealing seat 1 is internally provided with a rotating shaft 41 adapted to the gathering plate 4; the shape of the gathering plate 4 close to one end of the pressure ring 3 is arc-shaped; the outer surface of the sealing seat 1 is provided with a sealing plate 5; the existing device is more troublesome in sealing water and mud sudden bursts, however, when a water and mud sudden disaster occurs, it is easy to cause equipment loss, personnel safety is threatened, construction period delays and other adverse effects; when using this device, the staff first puts the sealing seat The sealing plate 5 on the surface of 1 is aligned with the inner wall of the tunnel on one side of the water and mud bursting mouth. At this time, the tunnel and the blocking seat 1 and the gathering plates 4 on both sides will form a blocking space, and the mud and sand will be blocked in this space; when muddy water or mud and sand flow out of this water and mud bursting mouth, the supporting seat 2 inside the blocking seat 1 will be subjected to pressure and move a certain distance, and the supporting seat 2 will simultaneously drive the pressure ring 3 to move, and the pressure ring 3 will then contact and squeeze one end of the gathering plate 4, and then the gathering plates 4 on both sides will rotate at a certain angle, and the two gathering plates 4 will push the mud and sand on both sides to gather together, so that the mud and sand will block the water and mud bursting mouth; the entire blocking seat 1 is blocked on one side of the water and mud bursting, so as to prevent the groundwater wrapped in mud and sand from suddenly rushing into the tunnel, and the safety is relatively high, avoiding the loss of equipment, which is conducive to the normal excavation of the tunnel.

[0036] The surfaces of the two gathering plates 4 are both provided with filter cloth 6; the interiors of the two gathering plates 4 are both provided with water-permeable holes 7, and the number of the water-permeable holes 7 is set in multiple and is equidistantly arranged inside the gathering plates 4; the cross-sectional shape of the water-permeable holes 7 is wide at the top and narrow at the bottom; during operation, when the gathering plates 4 on both sides rotate and gather the mud and sand together, part of the mud and water in the mud and sand will flow out of the outside of the gathering plates 4 through the filter cloth 6 and the water-permeable holes 7; thereby, the pressure on the inner side of the gathering plates 4 can be reduced, which is beneficial to maintaining the pressure on one side of the water and mud gushing outlet, thereby avoiding the phenomenon that the mud and sand inside the water and mud gushing outlet enters the tunnel; the safety is high.

[0037] The length of the filter cloth 6 is greater than the length of the gathering plate 4; the material of the filter cloth 6 is polyester fiber; the filter cloth 6 made of polyester fiber has good deformation adaptability and good plane drainage ability, and its surface is soft and has many gaps with a good friction coefficient; it can increase the adhesion of soil particles, prevent fine particles from passing through, block the loss of particles, and eliminate excess water, which is beneficial to maintaining the effect of stabilizing the pressure of sediment inside the gathering plate 4.

[0038] like Figures 4 to 6 As shown, the interior of the blocking seat 1 is fixedly connected to a reinforcement cavity 8, and the support seat 2 is slidably connected to the interior of the reinforcement cavity 8; the inner wall of the reinforcement cavity 8 is fixedly connected to a pressure spring 9; the bottom surface of the support seat 2 is connected to the upper surface of the pressure spring 9; the inner wall of the reinforcement cavity 8 is fixedly connected to a telescopic rod 10; when working, the bottom surface of the support seat 2 is connected to the pressure spring 9, and the pressure spring 9 can give the support seat 2 a certain supporting force, and in the process of moving the support seat 2, the support seat 2 will press down the pressure spring 9 and the telescopic rod 10, so that under the interaction of the pressure spring 9 and the telescopic rod 10, the support seat 2 can always be in an axial position, avoiding the deflection of the support seat 2 during the movement, which is beneficial for the pressure rings 3 on both sides to drive the gathering plate 4 to rotate.

[0039] Each of the water permeable holes 7 is fixedly connected to a cross bar 11, and the outer surface of the cross bar 11 is rotatably connected to a rotating ring 12; the outer surface of the cross bar 11 is provided with a rotating rod adapted to the rotating ring 12; during operation, when part of the mud and water flows into the water permeable hole 7, the rotating ring 12 inside the water permeable hole 7 will rotate at a certain angle due to the impact of the mud and water, and the rotating ring 12 will rotate the mud and water out of the water permeable hole 7 as soon as possible, which is beneficial to maintain the pressure of the mud and sand inside the gathering plate 4, and is more convenient to use.

[0040] The sealing seat 1 is fixedly connected to a pressure relief seat 13; the pressure relief seat 13 is rotatably connected to a baffle 14; the number of baffles 14 inside a single pressure relief seat 13 is two, and they are symmetrically arranged; a rotating column adapted to the baffle 14 is arranged inside the pressure relief seat 13; a pressure rod 15 is slidably connected to the pressure relief seat 13; a flow pipe 16 is fixedly connected to the sealing seat 1, and one end of the flow pipe 16 is connected to the bottom of the pressure relief seat 13; in this embodiment, the pressure rod 15 is on the side away from the baffles 14 on both sides, and the baffles 14 on both sides are in contact with each other; when working, when the inner side of the gathering plate 4 When there is too much mud and sand, the pressure on the support seat 2 will be too great, so that the pressure ring 3 drives the gathering plate 4 to rotate too much, so that the gathering plate 4 will contact and squeeze the pressure rod 15, causing the pressure rod 15 to move to the side close to the baffle 14, and then the pressure rod 15 will contact the surface of the baffle 14, and the baffle 14 will be compressed, so that the baffles 14 on both sides will open, so that the baffle 14 no longer blocks the top of the flow pipe 16. At this time, part of the mud and sand will be squeezed out to the outside of the gathering plate 4 through the flow pipe 16, avoiding the problem of damage to the device caused by excessive mud and sand inside the gathering plate 4, which is beneficial to the blocking of sudden water and mud, and is safer and more efficient to use.

[0041] like Figure 5As shown, the inner wall of the pressure relief seat 13 is fixedly connected with a pressure spring 17, and the baffle 14 inside a single pressure relief seat 13 is arranged in a V shape; the opposite surfaces of the two baffles 14 are fixedly connected with an adhesive plate 18; a pressure spring 17 is provided to support the baffle 14, and under the action of the adhesive plate 18, the baffles 14 on both sides can be closed in the initial state, thereby making it more convenient to block the flow pipe 16 when not in use, which is more convenient to use.

[0042] The sealing plate 5 is fixedly connected to the inside with a compression spring 19, and the surface of the compression spring 19 is fixedly connected to a rubber plate 20; the compression spring 19 is provided so that when the rubber plate 20 contacts the inner wall of the tunnel, the rubber plate 20 can be better attached to the inner wall of the tunnel, thereby conveniently making the gathering plate 4 form a closed space.

[0043] Embodiment 2

[0044] like Figure 7 As shown, compared with Example 1, another implementation of the present invention is: the lower surface of the blocking seat 1 is fixedly connected with a connecting seat 21, and the left and right sides of the connecting seat 21 are fixedly connected with connecting bolts 22; the blocking seat 1 can be fixedly installed on the excavator bucket through the connecting bolts 22 on the surface of the connecting seat 21, and the blocking seat 1 is moved to the water and mud sudden outlet position through the excavator bucket.

[0045] like Figure 8 As shown, a method for blocking water and mud in a tunnel, which is applicable to a device for blocking water and mud in a tunnel as described in any one of the above, comprises the following steps:

[0046] S1. The staff first aligns the sealing plate 5 on the surface of the plugging seat 1 with the inner wall of the tunnel on the side of the water and mud bursting port. At this time, the tunnel and the plugging seat 1 and the gathering plates 4 on both sides will form a plugging space, and the mud and sand will be blocked in this space;

[0047] S2. When muddy water or mud flows out of the water and mud gushing out port, the support seat 2 inside the blocking seat 1 will be subjected to pressure and move a certain distance, and the support seat 2 will simultaneously drive the pressure ring 3 to move, and the pressure ring 3 will then contact and squeeze one end of the gathering plate 4;

[0048] S3. Afterwards, the gathering plates 4 on both sides will rotate at a certain angle, and the two gathering plates 4 will push the mud and sand on both sides to gather together, so that the mud and sand will block the water and mud gushing outfall; so that the entire blocking seat 1 will be blocked on one side of the water and mud gushing outfall.

[0049] During operation, the staff first aligns the sealing plate 5 on the surface of the sealing seat 1 with the inner wall of the tunnel on one side of the water and mud gushing out hole. At this time, the tunnel and the sealing seat 1 and the gathering plates 4 on both sides will form a blocking space, and the mud and sand will be blocked in this space; when muddy water or mud and sand flow out of the water and mud gushing out hole, the support seat 2 inside the sealing seat 1 will be subjected to pressure and move a certain distance, and the support seat 2 will simultaneously drive the pressure ring 3 to move, and the pressure ring 3 will then contact and squeeze one end of the gathering plate 4, and then the gathering plates 4 on both sides will rotate at a certain angle, and the two gathering plates 4 will push the mud and sand on both sides thereof. The mud and sand are gathered together, so that the mud and sand can be blocked against the sudden water and mud outlet; the entire blocking seat 1 is blocked on one side of the sudden water and mud to prevent the groundwater wrapped in mud and sand from suddenly rushing into the tunnel, and the safety is relatively high, avoiding damage to equipment, and is conducive to the normal excavation of the tunnel; when the gathering plates 4 on both sides rotate and gather the mud and sand together, part of the muddy water in the mud and sand will flow out of the outside of the gathering plate 4 through the filter cloth 6 and the water permeable holes 7; thereby, the pressure on the inner side of the gathering plate 4 can be reduced, which is conducive to maintaining the pressure on one side of the sudden water and mud outlet, thereby preventing the mud and sand inside the sudden water and mud outlet from entering the tunnel; the safety is high.

[0050] The filter cloth 6 made of polyester fiber has good deformation adaptability and good plane drainage ability. The surface is soft and has many gaps with a good friction coefficient. It can increase the adhesion of soil particles, etc., prevent fine particles from passing through, prevent the loss of particles, and eliminate excess water, which is beneficial to maintaining the effect of stabilizing the pressure of sediment inside the gathering plate 4. During the movement of the support seat 2, the support seat 2 will press down the pressure spring 9 and the telescopic rod 10, so that under the interaction of the pressure spring 9 and the telescopic rod 10, the support seat 2 can always be in an axial position, avoiding the deflection of the support seat 2 during the movement, which is beneficial to the pressure rings 3 on both sides of it to drive the gathering plate 4 to rotate. When part of the mud and water passes into the water permeable hole 7, the rotating ring 12 inside the water permeable hole 7 will rotate at a certain angle due to the impact of the mud and water. Under the rotation of the rotating ring 12, the mud and water will flow out of the water permeable hole 7 as soon as possible, which is beneficial to maintaining the pressure of the mud and sand inside the gathering plate 4, and it is more convenient to use.

[0051] When there is too much mud and sand on the inner side of the gathering plate 4, the pressure on the support seat 2 will be too great, so that the pressure ring 3 drives the gathering plate 4 to rotate too much, so that the gathering plate 4 will contact and squeeze the pressure rod 15, so that the pressure rod 15 moves to the side close to the baffle 14, and then the pressure rod 15 will contact the surface of the baffle 14, and the baffle 14 will be compressed, so that the baffles 14 on both sides will open, so that the baffle 14 no longer blocks the top of the flow pipe 16. At this time, part of the mud and sand will be squeezed out to the outside of the gathering plate 4 through the flow pipe 16, avoiding the problem of damage to the device caused by excessive mud and sand inside the gathering plate 4, which is beneficial to the blocking of sudden water and mud, and is safer to use. High efficiency; a pressure spring 17 is provided to support the baffle 14, and under the action of the adhesive plate 18, the baffles 14 on both sides can be closed in the initial state, so that the flow pipe 16 can be more conveniently blocked when not in use, and it is more convenient to use; a compression spring 19 is provided, which can facilitate the rubber plate 20 to be better attached to the inner wall of the tunnel when it contacts the inner wall of the tunnel, so that the gathering plate 4 can be conveniently formed into a closed space; the blocking seat 1 can be fixedly installed on the excavator bucket through the connecting bolts 22 on the surface of the connecting seat 21, and the blocking seat 1 can be moved to the water and mud gushing mouth position by the excavator bucket.

[0052] The above-mentioned front, back, left, right, top and bottom are all based on the figures in the specification. Figure 1 As a benchmark, according to the person's observation perspective, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and so on.

[0053] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying 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 should not be understood as limiting the scope of protection of the present invention.

[0054] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A device for blocking water and mud inrush in a tunnel, characterized by: The invention comprises a blocking seat (1), wherein the blocking seat (1) is slidably connected to a support seat (2) inside; the support seat (2) is fixedly connected to a pressure ring (3) on both the left and right sides; the pressure ring (3) is circular in shape; the blocking seat (1) is rotatably connected to a gathering plate (4) inside; the gathering plates (4) are two in number and are symmetrically arranged; a rotating shaft (41) adapted to the gathering plate (4) is arranged inside the blocking seat (1); the shape of one end of the gathering plate (4) close to the pressure ring (3) is arc-shaped; a sealing plate (5) is arranged on the outer surface of the blocking seat (1); the sealing plate (5) is made of rubber; The sealing seat (1) is fixedly connected to a pressure relief seat (13) inside; the pressure relief seat (13) is rotatably connected to a baffle (14) inside; the number of baffles (14) inside a single pressure relief seat (13) is two, and they are symmetrically arranged; a rotating column matched with the baffle (14) is arranged inside the pressure relief seat (13); a pressure rod (15) is slidably connected inside the pressure relief seat (13); a circulation pipe (16) is fixedly connected to the sealing seat (1), and one end of the circulation pipe (16) is connected to the bottom of the pressure relief seat (13); A pressure spring (17) is fixedly connected to the inner wall of the pressure relief seat (13); a baffle (14) inside a single pressure relief seat (13) is arranged in a V shape; and an adhesive plate (18) is fixedly connected to the opposite surfaces of the two baffles (14).

2. A device for blocking water and mud inrush in a tunnel according to claim 1, characterized in that: The surfaces of the two gathering plates (4) are both provided with filter cloths (6); the interiors of the two gathering plates (4) are both provided with water-permeable holes (7); a plurality of the water-permeable holes (7) are provided and are equidistantly arranged inside the gathering plates (4); and the cross-sectional shape of the water-permeable holes (7) is wide at the top and narrow at the bottom.

3. A device for blocking water and mud inrush in a tunnel according to claim 2, characterized in that: The length of the filter cloth (6) is greater than the length of the gathering plate (4); the material of the filter cloth (6) is polyester fiber.

4. A device for blocking water and mud inrush in a tunnel according to claim 1, characterized in that: The blocking seat (1) is fixedly connected to a reinforcement cavity (8) inside, and the support seat (2) is slidably connected to the inside of the reinforcement cavity (8); the inner wall of the reinforcement cavity (8) is fixedly connected to a pressure spring (9); the bottom surface of the support seat (2) is connected to the upper surface of the pressure spring (9); and the inner wall of the reinforcement cavity (8) is fixedly connected to a telescopic rod (10).

5. A device for blocking water and mud inrush in a tunnel according to claim 2, characterized in that: A cross bar (11) is fixedly connected to the interior of each water-permeable hole (7), and a rotating ring (12) is rotatably connected to the outer surface of the cross bar (11); a rotating rod matched with the rotating ring (12) is provided on the outer surface of the cross bar (11).

6. A device for blocking water and mud inrush in a tunnel according to claim 1, characterized in that: A compression spring (19) is fixedly connected to the interior of the sealing plate (5), and a rubber plate (20) is fixedly connected to the surface of the compression spring (19).

7. A device for blocking water and mud inrush in a tunnel according to claim 1, characterized in that: A connecting seat (21) is fixedly connected to the lower surface of the blocking seat (1), and connecting bolts (22) are fixedly connected to the left and right sides of the connecting seat (21).

8. A method for blocking water and mud inrush in a tunnel, the method being applicable to a device for blocking water and mud inrush in a tunnel as claimed in any one of claims 1 to 7, characterized in that: The following steps are involved: S1. The staff first aligns the sealing plate (5) on the surface of the plugging seat (1) with the inner wall of the tunnel on the side of the water and mud bursting port. At this time, the tunnel, the plugging seat (1) and the gathering plates (4) on both sides will form a plugging space, and the mud and sand will be blocked in this space; S2. When muddy water or mud flows out of the water or mud gushing out hole, the support seat (2) inside the blocking seat (1) will be subjected to pressure and move a certain distance, and the support seat (2) will simultaneously drive the pressure ring (3) to move, and the pressure ring (3) will then contact and squeeze one end of the gathering plate (4); S3. The gathering plates (4) on both sides will then rotate at a certain angle, and the two gathering plates (4) will push the mud and sand on both sides thereof to gather together, so that the mud and sand can block the water and mud bursting opening; so that the entire blocking seat (1) is blocked on one side of the water and mud bursting opening.

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