A tunnel water gushing plugging and draining device

Abstract

The application provides a tunnel water gushing plugging and draining device, and relates to the technical field of tunnel construction. The device comprises a supporting mechanism, a driving mechanism, an outer pipe and an inner pipe. The supporting mechanism comprises a base, a top seat and a vertical seat which is telescopically arranged between the base and the top seat. The driving mechanism comprises a driving electric cylinder and a driving seat. The driving seat is arranged on the piston rod of the driving electric cylinder. The driving seat is provided with a clamping mechanism. The outer pipe is provided with a flange for clamping by the clamping mechanism. The end of the outer pipe towards the water gushing hole is provided with an inner abutting piece. The end of the outer pipe away from the water gushing hole is provided with an outer abutting piece. The outer pipe is provided with a plurality of groups of expansion abutting pieces along the length direction of the outer pipe. The inner pipe is arranged in the outer pipe and has a threaded connection section with the outer pipe. The application can quickly plug the water gushing hole and directly guide the water from the end of the water gushing hole to the outside of the working face, so that the water gushing does not continue to accumulate on the ground.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of tunnel construction, in particular to a tunnel water gushing plugging and drainage device. BACKGROUND

[0002] Tunnel blasting construction is a construction method of breaking rock mass by using explosive explosion energy to form a tunnel or a cavern. For poor geology and special rock sections, advanced drilling should be used before construction to verify the geological conditions and develop measures to deal with sudden large water gushing. When water gushing occurs, plugging and drainage of the water gushing hole are required, otherwise the water gushing hole will be washed away by the water flow, causing significant hidden dangers in terms of safety construction risks. At present, for tunnel water gushing, the water needs to be first concentrated into a water pit and then pumped out of the hole by a water pump, so the subsequent construction cannot be continued until the water is completely drained after the water gushing is completely discharged, which affects the overall construction progress. SUMMARY

[0003] The purpose of the present application is to provide a tunnel water gushing plugging and drainage device which can quickly plug the water gushing hole and directly guide the water from the end of the water gushing hole to the outside of the working face, so that the water gushing does not continue to accumulate on the ground, thereby reducing the impact on the construction progress and avoiding the expansion of the water gushing hole under the impact and soaking of water.

[0004] The present application is implemented by the following technical scheme: a tunnel water gushing plugging and drainage device, comprising: a support mechanism, the support mechanism comprising a base, a vertical seat and a top seat, the base and the top seat are both horizontally arranged, the vertical seat is telescopically arranged between the base and the top seat in the vertical direction; a driving mechanism, the driving mechanism comprising a driving electric cylinder and a driving seat, the driving electric cylinder is fixedly arranged at one end of the top seat, the driving seat is arranged on the piston rod of the driving electric cylinder, the driving seat is provided with a clamping mechanism; an outer pipe, the outer pipe is provided with a flange for clamping by the clamping mechanism, one end of the outer pipe towards the water gushing hole is provided with an inner abutting piece, the other end of the outer pipe towards the outside of the water gushing hole is provided with an outer abutting piece, a plurality of sets of expansion abutting pieces are distributed along the length direction of the outer pipe, and the plurality of sets of expansion abutting pieces are all located between the inner abutting piece and the outer abutting piece; an inner pipe, the inner pipe is arranged in the outer pipe, the outer circumference of the inner pipe is provided with an external thread, and the inner circumference of the outer pipe is provided with an internal thread matched with the inner pipe.

[0005] Further, the inner abutting piece comprises a plurality of abutting blocks distributed along the circumferential direction of the outer pipe, the abutting blocks are slidingly arranged on the pipe wall of the outer pipe in the radial direction of the outer pipe, and the inner pipe is provided with a first driving ring for driving the plurality of abutting blocks to move outward simultaneously.

[0006] Furthermore, the outer abutment is an abutment plate, and the end of the outer tube located outside the water inlet hole is provided with an external thread. The abutment plate is provided with a threaded hole and is threadedly connected to the external thread of the outer tube.

[0007] Furthermore, the expansion abutment component includes a pressing airbag, the outer wall of the outer tube is provided with an annular groove, the pressing airbag is embedded in the mounting groove, the inner wall of the outer tube is provided with a compression airbag, multiple air guide channels are provided between the compression airbag and the pressing airbag, and a second drive ring is provided on the inner tube for driving multiple compression airbags to compress simultaneously.

[0008] Furthermore, both the first drive ring and the second drive ring have a tapered surface at the end facing the water inlet hole, and the outer tube has a first groove for the first drive ring to move and a second groove for the second drive ring to slide.

[0009] Furthermore, the abutment block has a first protrusion at one end outside the outer tube and a second protrusion at one end inside the outer tube. The outer tube has a first recess for placing the first protrusion and a second recess for placing the second protrusion.

[0010] Furthermore, the clamping mechanism includes a support base, a drive motor, a dual-axis lead screw, two drive blocks, and two clamping seats. The support base has a drive groove, the dual-axis lead screw is rotatably disposed in the drive groove, the drive motor is fixedly disposed at one end of the support base and the output shaft of the drive motor is coaxially connected to the dual-axis lead screw, the two drive blocks are slidably disposed in the drive groove and are respectively located at both ends of the dual-axis lead screw, and the two clamping seats are fixedly disposed on the top of the two drive blocks one to one.

[0011] Furthermore, anti-rotation blocks are provided on both sides of the flange, and anti-rotation grooves for inserting the anti-rotation blocks are provided on both clamping seats. A limit protrusion is provided on the side of the clamping seat facing the water inlet.

[0012] Furthermore, a water guide pipe is provided on the top seat, and a drain pipe is provided at the end of the inner tube facing outward from the water inlet. The diameter of the water guide pipe is larger than the diameter of the drain pipe and can accommodate the drain pipe.

[0013] Furthermore, the water guide pipe includes a horizontal section, an elbow section, and a vertical section, and the drain pipe is a flexible pipe with its end located within the elbow section.

[0014] The technical solution of the present invention has at least the following advantages and beneficial effects:

[0015] 1. The clamping mechanism clamps the outer pipe, and the driving mechanism drives the outer pipe to insert into the water gushing hole, then the inner abutting piece and the outer abutting piece fix the outer pipe in the water gushing hole, so that the clamping mechanism can be taken off from the outer pipe to facilitate the plugging of the next water gushing hole.

[0016] 2. The present application sets multiple groups of expansion abutting pieces between the inner abutting piece and the outer abutting piece, the second driving ring on the inner pipe can abut against the extrusion air bag and make the extrusion air bag compressed, the gas in the extrusion air bag is transported to the abutting air bag through the gas guide channel, and the abutting air bag is expanded and abuts against the inner wall of the water gushing hole. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0018] Figure 2 It is a schematic diagram of the structure of the clamping mechanism and the outer pipe of the present application;

[0019] Figure 3 It is a sectional view of the inner pipe and the outer pipe of the present application;

[0020] Figure 4 It is a schematic diagram of the structure of the inner abutting piece on the outer pipe of the present application;

[0021] Figure 5 It is a schematic diagram of the structure of the expansion abutting piece of the present application;

[0022] Figure 6 It is a schematic diagram of the structure of the inner pipe and the water guide pipe of the present application;

[0023] The drawings show that: 1 is a support mechanism, 11 is a base, 12 is a vertical seat, 121 is a lower support, 122 is an upper support, 123 is a lifting electric cylinder, 13 is a top seat, 14 is a water guide pipe, 141 is a horizontal section, 142 is a elbow section, 143 is a vertical section, 2 is a driving mechanism, 21 is a driving electric cylinder, 22 is a driving seat, 3 is a clamping mechanism, 31 is a support seat, 311 is a driving groove, 32 is a driving motor, 33 is a double-shaft screw, 34 is a driving block, 35 is a clamping seat, 351 is a rotation-stopping groove, 352 is a limiting protrusion, 4 is an outer pipe, 41 is a flange, 411 is a rotation-stopping block, 42 is an inner abutting piece, 421 is an abutting block, 422 is a first protruding part, 423 is a second protruding part, 43 is an outer abutting piece, 44 is an expansion abutting piece, 441 is an abutting air bag, 442 is an extrusion air bag, 443 is a gas guide channel, 45 is an annular groove, 46 is a first sliding groove, 47 is a second sliding groove, 48 is a first recessed part, 49 is a second recessed part, 5 is an inner pipe, 51 is a first driving ring, 52 is a second driving ring, 53 is a drain pipe. DETAILED DESCRIPTION

[0024] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some but not all of the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0025] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative labor are within the scope of protection of the present application.

[0026] Embodiment 1

[0027] The following refers to Figures 1-6 As shown, further illustrated in conjunction with specific embodiments, the present embodiment provides a tunnel water gushing plugging and drainage device, which comprises a supporting mechanism 1, a driving mechanism 2, an outer pipe 4 and an inner pipe 5. The supporting mechanism 1 plays a supporting role on the ground. The driving mechanism 2 is installed on the supporting mechanism 1 and can send the outer pipe 4 and the inner pipe 5 into the water gushing hole. The outer pipe 4 is fitted with the hole wall of the water gushing hole after entering the water gushing hole. The inner pipe 5 is installed inside the outer pipe 4 and is used to guide the water gushing out.

[0028] Referring to Figure 1 As shown, the supporting mechanism 1 comprises a base 11, a vertical seat 12 and a top seat 13. The base 11 and the top seat 13 are both horizontally arranged. The vertical seat 12 is telescopically arranged between the base 11 and the top seat 13 along the vertical direction. Specifically, the vertical seat 12 comprises a lower seat 121 and an upper seat 122 slidingly installed in the lower seat 121. The lower seat 121 is welded on the top of the base 11. The upper seat 122 is welded on the bottom of the top seat 13. The lower seat 121 is provided with a lifting electric cylinder 123 for driving the upper seat 122 to move up and down. By driving the upper seat 122 to move along the vertical direction through the lifting electric cylinder 123, the top seat 13 can be adjusted to a specified height to facilitate the plugging operation.

[0029] The driving mechanism 2 comprises a driving electric cylinder 21 and a driving seat 22. The cylinder barrel of the driving electric cylinder 21 is fixedly installed at one end of the top seat 13. The driving seat 22 is welded on the piston rod of the driving electric cylinder 21. The driving seat 22 is provided with a clamping mechanism 3. The outer pipe 4 is provided with a flange 41 for clamping by the clamping mechanism 3. By clamping the flange 41 on the clamping mechanism 3, the relative position between the outer pipe 4 and the driving seat 22 can be fixed. Then, by driving the driving seat 22 to move along the length direction of the top seat 13 through the driving electric cylinder 21, the outer pipe 4 can be inserted into the water gushing hole.

[0030] Referring toFigure 1 、 Figure 2 As shown in FIG. 3, the clamping mechanism 3 comprises a support base 31, a driving motor 32, a double-shaft screw 33, two driving blocks 34 and two clamping bases 35. The support base 31 is provided with a driving groove 311, the double-shaft screw 33 is rotationally arranged in the driving groove 311, the driving motor 32 is fixedly arranged at one end of the support base 31 and the output shaft of the driving motor 32 is coaxially connected with the double-shaft screw 33, the two driving blocks 34 are slidingly arranged in the driving groove 311 and located at two ends of the double-shaft screw 33 respectively, and the two clamping bases 35 are fixedly arranged on the top of the two driving blocks 34 respectively. The driving motor 32 is started to drive the double-shaft screw 33 to rotate, thereby driving the two driving blocks 34 to move towards each other. When the driving blocks 34 move, the two clamping bases 35 are driven to abut against the flange 41 of the outer pipe 4. In order to prevent relative rotation between the outer pipe 4 and the clamping base 35 after abutting, the flange 41 is provided with a rotation stopping block 411 on each side, and the two clamping bases 35 are provided with a rotation stopping groove 351 for inserting the rotation stopping block 411. When the clamping base 35 abuts against the outer pipe 4, the rotation stopping block 411 is inserted into the rotation stopping groove 351 to limit the relative rotation between the outer pipe 4 and the clamping base 35. The clamping base 35 is provided with a limiting protrusion 352 on the side facing the water gushing hole. When the driving base 22 drives the clamping mechanism 3 to move as a whole, the limiting protrusion 352 abuts against the end surface of the flange 41 to ensure that the outer pipe 4 is smoothly pushed into the water gushing hole.

[0031] Referring to FIG. 4, the outer pipe 4 is provided with an inner abutting part 42 on the end facing the water gushing hole, and an outer abutting part 43 on the end facing outside of the water gushing hole. A plurality of sets of expansion abutting parts 44 are distributed along the length direction of the outer pipe 4, and the plurality of sets of expansion abutting parts 44 are located between the inner abutting part 42 and the outer abutting part 43. The inner pipe 5 is installed in the outer pipe 4. The outer circumferential surface of the inner pipe 5 is provided with a section of external thread, and the inner circumferential surface of the outer pipe 4 is provided with a section of internal thread matched with the inner pipe 5. Figure 3 、 Figure 4 The inner abutting part 42 comprises a plurality of abutting blocks 421 distributed along the circumferential direction of the outer pipe 4. The abutting blocks 421 are slidingly arranged on the wall of the outer pipe 4 along the radial direction of the outer pipe 4. The inner pipe 5 is provided with a first driving ring 51 for driving the plurality of abutting blocks 421 to move towards the outside of the outer pipe 4 simultaneously. The outer abutting part 43 is an abutting disc. The end of the outer pipe 4 located outside of the water gushing hole is provided with an external thread. The abutting disc is provided with a threaded hole and is threadedly connected with the external thread of the outer pipe 4.

[0032] The outer tube 4 is inserted into the water gushing hole through the driving mechanism 2, and the end of the outer tube 4 is extended from one end of the water gushing hole away from the tunnel face, then the inner tube 5 is rotated and the position between the inner tube 5 and the outer tube 4 is relatively moved, the first driving ring 51 is driven to move to drive the plurality of abutting blocks 421 to move towards the outer tube 4, then the outer tube 4 is pulled out a distance away from the water gushing hole and the abutting blocks 421 abut against one end of the water gushing hole away from the tunnel face, then the abutting disc is rotated and abuts against one end of the water gushing hole towards the tunnel face, so that the position of the outer tube 4 is fixed, and then the clamping mechanism 3 is removed from the outer tube 4 to facilitate the plugging of the next water gushing hole.

[0033] Referring to Figure 3 , Figure 5 As shown in the figure, the expansion abutting piece 44 includes a tight air bag 441, the outer wall of the outer tube 4 is provided with an annular groove 45, the tight air bag 441 is embedded in the mounting groove, the inner wall of the outer tube 4 is provided with a pressing air bag 442, a plurality of air guide channels 443 are provided between the tight air bag 441 and the pressing air bag 442, and the inner tube 5 is provided with a second driving ring 52 for driving the plurality of pressing air bags 442 to be compressed at the same time. After the outer tube 4 is fixed in the water gushing hole through the inner abutting piece 42 and the outer abutting piece 43, the inner tube 5 is continuously rotated to drive the second driving ring 52 to move, the second driving ring 52 can abut against the pressing air bag 442 to compress the pressing air bag 442, so that the gas in the pressing air bag 442 is transported to the tight air bag 441 through the air guide channel 443, the tight air bag 441 is expanded and tightly abuts against the inner wall of the water gushing hole, thereby avoiding the water gushing out from the gap between the outer tube 4 and the water gushing hole.

[0034] Referring to Figure 4 , Figure 6 As shown in the figure, the first driving ring 51 and the second driving ring 52 are provided with tapered surfaces towards one end of the water gushing hole, so as to improve the smoothness when driving the inner abutting piece 42 and the expansion abutting piece 44, and the outer tube 4 is provided with a first sliding groove 46 for the movement of the first driving ring 51 and a second sliding groove 47 for the sliding of the second driving ring 52.

[0035] Referring to Figure 4 As shown in the figure, the abutting block 421 is provided with a first protruding part 422 at one end outside the outer tube 4, and is provided with a second protruding part 423 at one end inside the outer tube 4, and the outer tube 4 is provided with a first recess 48 for placing the first protruding part 422 and a second recess 49 for placing the second protruding part 423. The first protruding part 422 can increase the contact area between the abutting block 421 and the end wall of the water gushing hole, thereby improving the stability after abutting; the second protruding part 423 can limit the position of the abutting block 421, so as to avoid the abutting block 421 moving out of the outer tube 4 completely.

[0036] Referring toFigure 1 , Figure 6 As shown, a water guide pipe 14 is provided on the top seat 13. A drain pipe 53 is provided at the end of the inner pipe 5 facing the water inlet. The diameter of the water guide pipe 14 is larger than the diameter of the drain pipe 53 and can accommodate the drain pipe 53. The water guide pipe 14 includes a horizontal section 141, an elbow section 142, and a vertical section 143. The drain pipe 53 is a flexible pipe, and its end is located inside the elbow section 142. During the rotation of the inner pipe 5, the drain pipe 53 is always located inside the elbow section 142, and under the action of the elbow section 142, the outlet end of the drain pipe 53 always faces downward. Therefore, water can be smoothly guided into a designated collection container such as a bucket or tank, and is less likely to leak onto the ground and cause water accumulation in the tunnel.

[0037] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A device for sealing and draining water in tunnels, characterized in that, include: The support mechanism (1) includes a base (11), a vertical seat (12) and a top seat (13). The base (11) and the top seat (13) are both horizontally arranged, and the vertical seat (12) is telescopically arranged between the base (11) and the top seat (13) in the vertical direction. The drive mechanism (2) includes a drive cylinder (21) and a drive seat (22). The drive cylinder (21) is fixedly mounted on one end of the top seat (13). The drive seat (22) is mounted on the piston rod of the drive cylinder (21). The drive seat (22) is provided with a clamping mechanism (3). The outer tube (4) is provided with a flange (41) for clamping by the clamping mechanism (3). The end of the outer tube (4) facing the water inlet hole is provided with an inner abutment (42), and the end of the outer tube (4) facing the water inlet hole is provided with an outer abutment (43). Multiple sets of expansion abutments (44) are distributed along the length of the outer tube (4). The multiple sets of expansion abutments (44) are located between the inner abutment (42) and the outer abutment (43). Inner tube (5), the inner tube (5) is set inside the outer tube (4), the outer circumferential surface of the inner tube (5) is provided with an external thread, and the inner circumferential surface of the outer tube (4) is provided with an internal thread that matches the inner tube (5); The inner abutment (42) includes a plurality of abutment blocks (421) distributed along the circumferential direction of the outer tube (4). The abutment blocks (421) are slidably disposed on the tube wall of the outer tube (4) along the radial direction of the outer tube (4). The inner tube (5) is provided with a first drive ring (51) for driving the plurality of abutment blocks (421) to move simultaneously to the outside of the outer tube (4). The outer abutment (43) is an abutment plate. The outer tube (4) has an external thread at one end outside the water inlet hole. The abutment plate has a threaded hole and is threaded to the external thread of the outer tube (4). The expansion abutment component (44) includes a pressing airbag (441), the outer wall of the outer tube (4) is provided with an annular groove (45), the pressing airbag (441) is embedded in the mounting groove, the inner wall of the outer tube (4) is provided with a compression airbag (442), a plurality of air guiding channels (443) are provided between the compression airbag (442) and the pressing airbag (441), and a second driving ring (52) is provided on the inner tube (5) for driving the plurality of compression airbags (442) to compress simultaneously; The first drive ring (51) and the second drive ring (52) are both provided with a tapered surface at the end facing the water inlet hole. The outer tube (4) is provided with a first groove (46) for the first drive ring (51) to move and a second groove (47) for the second drive ring (52) to slide.

2. The tunnel water inrush sealing and drainage device according to claim 1, characterized in that, The abutment block (421) has a first protrusion (422) at one end outside the outer tube (4), and a second protrusion (423) at one end inside the outer tube (4). The outer tube (4) has a first recess (48) for placing the first protrusion (422) and a second recess (49) for placing the second protrusion (423).

3. The tunnel water inrush sealing and drainage device according to claim 1, characterized in that, The clamping mechanism (3) includes a support base (31), a drive motor (32), a dual-axis lead screw (33), two drive blocks (34), and two clamping seats (35). The support base (31) has a drive groove (311). The dual-axis lead screw (33) is rotatably disposed in the drive groove (311). The drive motor (32) is fixedly disposed at one end of the support base (31), and the output shaft of the drive motor (32) is coaxially connected to the dual-axis lead screw (33). The two drive blocks (34) are slidably disposed in the drive groove (311) and are respectively located at both ends of the dual-axis lead screw (33). The two clamping seats (35) are fixedly disposed on the top of the two drive blocks (34) one by one.

4. The tunnel water inrush sealing and drainage device according to claim 3, characterized in that, Both sides of the flange (41) are provided with anti-rotation blocks (411), and both clamping seats (35) are provided with anti-rotation grooves (351) for inserting the anti-rotation blocks (411). The clamping seat (35) is provided with a limit protrusion (352) on the side facing the water inlet hole.

5. The tunnel water inrush sealing and drainage device according to claim 1, characterized in that, A water guide pipe (14) is provided on the top seat (13), and a drain pipe (53) is provided at the end of the inner pipe (5) facing the water inlet hole. The diameter of the water guide pipe (14) is larger than the diameter of the drain pipe (53) and can accommodate the drain pipe (53).

6. The tunnel water inrush sealing and drainage device according to claim 5, characterized in that, The water guide pipe (14) includes a horizontal section (141), an elbow section (142) and a vertical section (143), and the drain pipe (53) is a flexible pipe with the end of the drain pipe (53) located inside the elbow section (142).

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