CN111997073B - Air bag type curtain leakage blocking device and method - Google Patents

Abstract

The application relates to the field of constructional engineering, in particular to an air bag type curtain leakage plugging device and method. The air bag type curtain leakage plugging device comprises a storage hopper, a positioning mechanism, a driving mechanism, a drill bit, a drill rod and a grouting head, wherein the drill bit, the drill rod and the grouting head are sequentially connected; the positioning cone is provided with a tip end, and the tip end of the positioning cone is opposite to the positioning hole when the positioning cone retracts into the accommodating cavity; the drill rod is rotationally connected with the inner diameter of the connecting casing and can move along the vertical direction relative to the connecting casing; elastic pieces are arranged in the storage hopper, and elastic piece injection channels communicated with the storage hopper are arranged on the drill rod and the drill bit. The method and the device have the advantages of being capable of accurately stopping leakage points and achieving good leakage stopping effect.

Description

Air bag type curtain leakage blocking device and method

Technical Field

The application relates to the field of constructional engineering, in particular to an air bag type curtain leakage plugging device and method.

Background

At present, a measure for draining underground water needs to be taken when a foundation pit below an underground water level is constructed, and when the water content of a water-bearing stratum is rich and is difficult to dry, or precipitation possibly causes damage such as deformation of surrounding buildings, a curtain water stopping scheme is often adopted.

Under the influence of factors such as stratum conditions, curtain forms, lap joint modes, the quality of construction medium control and the like, various leakage points often appear on the surface of the curtain after the foundation pit is excavated. Underground water seeps or is sprayed into the foundation pit through defects such as cracks and holes in the curtain, and when the condition is serious, a large amount of water and soil outside the foundation pit is lost, so that potential safety hazards are brought to a foundation pit enclosure structure and surrounding buildings (structures). Therefore, leakage at the leakage point of the curtain needs to be stopped.

The Chinese patent with the publication number of CN105421475B discloses a leakage blocking device and a method for air bag type curtain leakage, and the key points of the technical scheme are as follows: comprises the following steps that: the drilling device comprises a drill bit, an anchoring drill rod, a grouting drill rod and a grouting head; the grouting drill rod sequentially penetrates through the mattress, the surface air bag and the sealing cover plate, one end of the grouting drill rod is exposed out of the sealing cover plate and connected with the grouting head, and the other end of the grouting drill rod is connected with the anchoring drill rod. The equipment such as the surface air bag, the sealing cover plate and the like can effectively prevent a large amount of water and sand from flowing out in the plugging process, thereby solving the condition that large-area holes are formed outside the foundation pit. However, in the drilling process of the drill bit, the soil body may have the condition of different hardness at two sides, and at the moment, the drill bit may deviate relative to the leakage point, so that the leakage point cannot be accurately plugged. Meanwhile, after the injected slurry is solidified, because the solidified slurry has the characteristics of expansion with heat and contraction with cold, when the temperature change at each position is uneven, the contraction and expansion degrees at each position of the solidified slurry are different, so that cracks can be generated, and the leaking stoppage effect is poor.

In view of the above-mentioned related technologies, the inventor believes that there are defects that leakage points cannot be accurately plugged and the plugging effect is poor.

Disclosure of Invention

In order to solve the defects that leakage points cannot be accurately blocked and the leakage blocking effect is poor, the application provides a leakage blocking device and method for air bag type curtain leakage.

In a first aspect, the application provides an air bag type curtain leakage plugging device which adopts the following technical scheme:

an air bag type curtain leakage plugging device comprises a mattress, a surface air bag, a sealing cover plate, a drill bit, a drill rod and a grouting head, wherein the drill bit, the drill rod and the grouting head are sequentially connected, the drill rod sequentially penetrates through the mattress, the surface air bag and the sealing cover plate, one end of the drill rod is exposed out of the sealing cover plate and connected with the grouting head, the other end of the drill rod is connected with the drill bit, and the drill bit is provided with a spiral blade along the circumferential direction; the method is characterized in that: the device comprises a storage hopper, a positioning mechanism and a driving mechanism, wherein the positioning mechanism comprises a connecting casing and a positioning cone, the connecting casing is provided with an accommodating cavity, the connecting casing is provided with an inner diameter and an outer diameter, the outer surface of the outer diameter is provided with a positioning hole communicated with the accommodating cavity, the positioning cone can extend out of or retract into the accommodating cavity relative to the positioning hole, and the driving mechanism is used for driving the positioning cone to move; the positioning cone is provided with a tip end, and the tip end of the positioning cone is opposite to the positioning hole when the positioning cone retracts into the accommodating cavity; the drill rod is rotationally connected with the inner diameter of the connecting casing and can move along the vertical direction relative to the connecting casing; an elastic part is arranged in the storage hopper, the storage hopper is provided with a discharge hole, an elastic part injection channel and a grouting channel are arranged on the drill rod and the drill bit, the drill rod is communicated with the elastic part injection channel of the drill bit, and the discharge hole is communicated with the elastic part injection channel; the drill bit is provided with an elastic injection part outlet and a grouting outlet, and the elastic injection part channel is communicated with the elastic injection part outlet; the grouting head is provided with a grouting inlet, the grouting inlet is communicated with one end of the grouting channel, and the grouting outlet is communicated with the other end of the grouting channel.

Through adopting above-mentioned technical scheme, make the drill bit earlier during the construction and drill out shallow hole along the leak source, then make the connection cover shell get into the hole that the drill bit bored, then actuating mechanism drive location awl stretches out through the locating hole and holds the chamber and insert the pore wall in the hole that the drill bit bored, and at this moment under the effect of location awl, the hole wall in connection cover shell and hole keeps relatively fixed. When the drill bit continues down-hole, because the drilling rod can be for connecting the cover shell along the motion of vertical direction, so the drill bit also can continue down-hole for connecting the cover shell along vertical direction this moment, thereby the drill bit is difficult for the skew at drilling in-process, thereby the motion that the drill bit can be accurate to the leakage department, after the drill bit moves to the leakage department, slip casting entry through the slip casting head pours into the thick liquid, the thick liquid can be discharged to the leakage department by the slip casting export on the drill bit, just can leaking stoppage leakage point after the thick liquid solidifies, so the defect of unable accurate leaking stoppage leakage point can be solved to this gasbag formula curtain leakage plugging device.

Simultaneously, storage hopper also can follow and annotate the elastic component passageway and pour into the elastic component when pouring into the thick liquid, and the elastic component can be followed and annotated the elastic component export and discharged and solidify the leaking stoppage whole that forms leaking stoppage leaking point together with the thick liquid that pours into, because the elastic component has elasticity, exerts partial power and can make the elastic component warp on the elastic component, but the elastic component can resume the original state after the power of exerting disappears. When the volume of the solidified slurry is changed due to temperature change, the elastic part can be compressed, but the whole leakage stoppage is not easy to deform, and the solidified slurry is not easy to crack, so that the air bag type curtain leakage stoppage device has a good leakage stoppage effect.

In conclusion, the air bag type curtain leakage plugging device solves the defects that leakage points cannot be accurately plugged and the leakage plugging effect is poor.

Preferably, the cavity wall of the accommodating cavity is provided with a guide groove, the length direction of the guide groove is the same as that of the positioning cone, a guide block is slidably arranged in the guide groove, and the guide block is fixedly connected with the positioning cone.

Through adopting above-mentioned technical scheme, the guide block can only slide along the guide way to can slide along the length direction of guide way when the guide block receives the drive, because location awl and guide block fixed connection, so the location awl also can only slide along the length direction of guide way, thereby the motion of location awl is more accurate, difficult skew.

Preferably, the driving mechanism comprises a driving piece and a restoring piece, and the driving piece is used for driving the positioning cone to extend out of the accommodating cavity; the restoring piece is used for providing restoring force for the positioning cone to move to retract into the accommodating cavity.

Through adopting above-mentioned technical scheme, the reply piece has the restoring force to when the driving piece does not exert force, the location awl can reply to the state that the chamber was held to the retraction automatically, thereby the location awl is difficult for wearing out from the locating hole when depositing the transportation and influences the transportation, and this gasbag formula curtain seepage plugging device's transportation is comparatively convenient.

Preferably, the driving member is a driving airbag, and the driving mechanism further comprises an inflating member, the driving airbag is inflatable, and the inflating member is used for inflating the driving airbag to expand the driving airbag; the cavity wall of holding the chamber is equipped with the locating part, one side and the locating part counterbalance of drive gasbag, the opposite side of drive gasbag with the location awl deviates from most advanced one end counterbalance.

Through adopting above-mentioned technical scheme, when aerifing the piece and starting to aerify the drive gasbag, the drive gasbag inflation, because the both sides of drive gasbag offset with locating part and the one end that the location awl deviates from most advanced respectively, and locating part and the chamber wall fixed connection who holds the chamber, so the locating part can be kept away from to the location awl when the drive gasbag inflation, because the pointed end of location awl can be relative with the locating hole when the location awl retraction holds the chamber, so when the locating part is kept away from to the one end that the location awl deviates from most advanced, the locating hole can be worn out to the pointed end of location awl, the location awl just stretches out and holds the chamber this moment, so the location awl just can stretch out and hold the chamber when the drive gasbag inflation.

Preferably, a guide rod is arranged in the guide groove, the guide rod penetrates through the guide block, the restoring piece is a spring, the spring is sleeved on the guide rod, one end of the spring is fixedly connected with the guide block, and the other end of the spring is fixedly connected with the groove wall of the guide groove; and under the natural state of the spring, the positioning cone retracts into the accommodating cavity.

Through adopting above-mentioned technical scheme, spring self has elastic restoring force, because the both ends of spring are connected with the cell wall of guide block and guide way respectively, so when the spring is not in natural state, the spring can apply for the guide block along the power that the guide way slided, when not atress on the guide block, the restoring force of spring just can drive the guide block and slide along the guide way, until the guide block moves to the spring and is in natural state, the location awl retraction holds the chamber this moment.

Preferably, the connecting device further comprises a bearing, and an outer ring of the bearing is fixedly connected with the inner diameter of the connecting casing; the inner ring of the bearing is provided with a limiting protrusion, the drill rod is provided with a limiting groove for the insertion of the limiting protrusion, and the length direction of the limiting groove is along the vertical direction.

Through adopting above-mentioned technical scheme, when spacing protruding when sliding along the spacing groove, the drilling rod just slides along vertical direction for connecting the shell, when the drilling rod rotates, because spacing protruding state in inserting the spacing groove, so the drilling rod can drive the inner circle rotation of bearing, and the drilling rod just rotates for connecting the shell this moment. The drill rod can rotate relative to the connecting casing and can move in the vertical direction relative to the connecting casing. When the positioning cone in the connecting casing extends out to ensure that the connecting casing and the hole drilled by the drill bit are kept relatively fixed, the drill rod can continuously rotate relative to the connecting casing along the vertical direction to drill into the deep part of the soil body.

Preferably, the storage hopper also comprises a fixing part, the grouting head is provided with an elastic part inlet communicated with the elastic part channel, the elastic part inlet is provided with a connecting convex edge, the discharge port of the storage hopper is provided with a connecting piece, and the connecting piece is inserted into the elastic part inlet and the outer side wall of the connecting piece is abutted against the inner wall of the connecting convex edge when the connecting piece is inserted; the fixing piece sequentially penetrates through the connecting convex edge and the connecting piece so that the material storage hopper and the grouting head are kept relatively fixed.

Through adopting above-mentioned technical scheme, storage funnel and slip casting head can be convenient be connected and separation, and both separable transport when the transport to the transport is comparatively convenient, and the elastic component in the two connection back storage funnel can get into the elastic component entry of slip casting head via the discharge gate, then the elastic component just can convenient motion to the elastic component passageway.

Preferably, the elastic member is made of rubber or plastic.

By adopting the technical scheme, the rubber or the plastic has elasticity, and the rubber or the plastic deforms when a part of force is applied to the rubber or the plastic, but the rubber or the plastic can recover after the applied force disappears. When the rubber or plastic and the injected slurry are solidified together to form a whole body for plugging the plugging and leaking point, the solidified slurry is not easy to generate cracks, so that the plugging effect is better.

Preferably, the elastic member is an air bag.

By adopting the technical scheme, the air bag is formed by filling compressed air or water medium into a flexible rubber capsule, and the elastic action is realized by utilizing the compressibility of air and the fluidity of water. When the air bag and the injected slurry are solidified together to form a whole body for plugging the plugging and leaking point, the solidified slurry is not easy to generate cracks, so that the plugging effect is better.

In a second aspect, the application provides a method for leaking and plugging an air bag type curtain, which adopts the following technical scheme:

the air bag type curtain leakage plugging method adopts the air bag type curtain leakage plugging device and comprises the following steps:

s1, drilling the drill bit and the drill rod into the soil surface;

s2, connecting the drill rod with the connecting casing and placing the connecting casing into the hole drilled by the drill bit;

s3, starting the inflating piece to inflate the driving air bag, and inflating and expanding the driving air bag to enable the tip of the positioning cone to be inserted into the hole wall;

s4, the drill bit and the drill rod continue to drill into the deep soil;

s5, laying a mattress, a surface air bag and a sealing cover plate on the surface of the soil body in sequence, and simultaneously, enabling the drill rod to penetrate through the sealing cover plate;

s6, connecting the storage hopper with the grouting head, and then connecting the grouting head with the end part of the drill rod penetrating out of the sealing cover plate;

s7, injecting the elastic part into the elastic part injection channel by the storage hopper, and injecting the slurry into the grouting channel from the grouting inlet;

and S8, mixing the elastic piece and the slurry, injecting the mixture into the soil body, and finally solidifying, and then removing the surface air bag to finish the plugging construction.

By adopting the technical scheme, during construction, the drill bit drills out a shallow hole along a leakage point, then the connecting casing enters the hole drilled by the drill bit, then the air bag is driven to inflate and expand to drive the positioning cone to insert into the hole wall of the hole drilled by the drill bit, and at the moment, under the action of the positioning cone, the connecting casing and the hole wall of the hole are kept relatively fixed. When the drill bit continues to drill downwards, because the drilling rod can move along the vertical direction for connecting the shell, so the drill bit also can continue to drill downwards along the vertical direction for connecting the shell this moment, thereby the drill bit is difficult for squinting at the drilling in-process, thereby the motion that the drill bit can be accurate reaches the leakage department, after the drill bit moves to the leakage department, slip casting entry through the slip casting head pours into the thick liquid, the thick liquid can be discharged to the leakage department by the slip casting passageway on the drill bit, just can leaking stoppage leaking point after the thick liquid solidifies, so the defect that unable accurate leaking stoppage leaking point can be solved to this gasbag formula curtain leaking stoppage method.

Simultaneously, storage hopper also can follow and annotate the elastic component passageway and pour into the elastic component when pouring into thick liquid, and the elastic component can solidify the leaking stoppage whole that forms leaking stoppage leaking point together with the thick liquid of pouring into, because the elastic component has elasticity, exerts partial power and can make the elastic component warp on the elastic component, but the elastic component can the reconversion after the power of exerting disappears. When the volume of the solidified slurry is changed due to temperature change, the elastic part is compressed, but the whole leakage stoppage is not easy to deform, and the solidified slurry is not easy to crack, so that the air bag type curtain leakage stoppage method has a good leakage stoppage effect.

In conclusion, the leakage stopping method for the air bag type curtain leakage solves the defects that leakage points cannot be stopped accurately and the leakage stopping effect is poor.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the air bag type curtain leakage plugging device solves the defects that leakage points cannot be accurately plugged and the leakage plugging effect is poor;

2. the air bag type curtain leakage plugging device is convenient to transport.

Drawings

Fig. 1 is a schematic cross-sectional view of a leakage stoppage device of a gas bag type curtain according to an embodiment of the present application.

Fig. 2 is a schematic structural view of a connection between a drill rod and a positioning mechanism according to an embodiment of the present application.

Fig. 3 is an enlarged schematic view of a structure at a in fig. 1.

Fig. 4 is a schematic view showing the assembling relationship between the limit plate and the connection sleeve in fig. 2.

Fig. 5 is an enlarged schematic view of the structure at B in fig. 1.

Description of reference numerals: 1. a mattress pad; 2. a surface airbag; 3. sealing the cover plate; 4. a drill bit; 5. a drill stem; 6. a grouting head; 7. a helical blade; 8. a positioning mechanism; 81. a connecting casing; 811. an inner diameter; 812. an outer diameter; 82. positioning a cone; 9. a drive mechanism; 91. driving the air bag; 92. a recovery member; 93. an inflatable member; 10. grouting a channel; 11. a grouting outlet; 12. a grouting inlet; 13. an accommodating chamber; 14. positioning holes; 15. a guide groove; 16. a guide block; 17. a guide bar; 18. a limiting member; 19. a limiting plate; 20. inserting grooves; 21. a bearing; 22. a limiting bulge; 23. a limiting groove; 24. fixing the bolt; 25. a lap joint groove; 26. a material storage hopper; 27. a fixing member; 28. an elastic member; 29. a discharge port; 30. an elastomeric member inlet; 31. connecting the convex edges; 32. a connecting member; 33. injecting an elastic piece channel; 34. and an outlet of the elastic injection piece.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a leakage stoppage device for air bag type curtain leakage. Referring to fig. 1, gasbag formula curtain seepage leaking stoppage device includes mattress 1, surface gasbag 2, seal apron 3, drill bit 4, drilling rod 5 and slip casting head 6, mattress 1, surface gasbag 2 and seal apron 3 and lay in proper order on the surface of the leakage point soil body, drill bit 4, drilling rod 5 and slip casting head 6 connect gradually, drill bit 4 is equipped with helical blade 7 along circumference, helical blade 7 can be for the welding with the connected mode of drill bit 4, can cut the soil body through helical blade 7 when drill bit 4 rotates, thereby drill bit 4 just can be to the soil body drilling. Drill bit 4 and the one end threaded connection of drilling rod 5, drilling rod 5 are cylindrical pole, and the one end that drilling rod 5 deviates from drill bit 4 passes mattress 1, surperficial gasbag 2 and seals apron 3 in proper order, and drilling rod 5 exposes the tip of closing apron 3 and be connected with slip casting head 6, and the connected mode can be threaded connection. All be equipped with slip casting passageway 10 on drilling rod 5 and the drill bit 4, slip casting passageway 10 is vertical to be set up, is equipped with slip casting entry 12 on the slip casting head 6, and slip casting entry 12 communicates with the upper end of slip casting passageway 10 on the drilling rod 5, is equipped with slip casting export 11 on the drill bit 4, and slip casting export 11 communicates with the lower extreme of slip casting passageway 10 on the drill bit 4. During construction, the drill rod 5 is connected with a device which can provide rotating force, such as a drilling machine, so that the drill rod 5 can drive the drill bit 4 to rotate to drill a soil body, after a hole is drilled, slurry is communicated with the grouting inlet 12, the slurry can be discharged into the drilled hole from the grouting outlet 11 through the grouting channel 10 to cover a leakage point, and the leakage point is blocked after the slurry is finally solidified.

In order to prevent the drill bit 4 from shifting during the drilling of the soil, referring to fig. 2, the air bag curtain leakage plugging device further comprises a positioning mechanism 8, wherein the positioning mechanism 8 comprises a connecting casing 81 and a positioning cone 82, the positioning cone 82 has a tip, the positioning cone 82 is arranged on the connecting casing 81, and the connecting casing 81 is kept relatively fixed with the hole wall of the hole drilled by the drill bit 4 by inserting the tip of the positioning cone 82 into the hole wall of the hole drilled by the drill bit 4. Connecting shell 81 is the type of ring, connecting shell 81 has internal diameter 811 and external diameter 812, the internal diameter 811 of the connecting ring cover is connected with bearing 21, bearing 21's outer lane and the internal diameter 811 fixed connection of the connecting ring cover, bearing 21's inner circle is equipped with spacing arch 22, spacing arch 22 is square bulge, be equipped with spacing groove 23 on the drilling rod 5, the length direction of spacing groove 23 is along vertical direction, spacing arch 22 inserts spacing groove 23, when spacing arch 22 slided along spacing groove 23, drilling rod 5 just slides along vertical direction for connecting shell 81, when drilling rod 5 rotates, because spacing arch 22 is in the state of inserting spacing groove 23, so drilling rod 5 can drive the inner circle rotation of bearing 21, drilling rod 5 just rotates for connecting shell 81 this moment. So that the drill rod 5 can both rotate relative to the connection housing 81 and move in the vertical direction relative to the connection housing 81. When the positioning cone 82 in the connecting casing 81 makes the connecting casing 81 and the hole drilled by the drill bit 4 keep relatively fixed, the drill rod 5 can continuously rotate along the vertical direction relative to the connecting casing 81 to drill into the deep part of the soil body, so that the drill rod 5 is not easy to deviate in the drilling process, the drill bit 4 can accurately move to a leakage position, and the air bag type curtain leakage plugging device can solve the defect that a leakage point cannot be accurately plugged.

Further, with respect to the specific manner in which the positioning cone 82 is disposed on the connection housing 81, referring to fig. 3, the connection housing 81 has an accommodating cavity 13, the outer surface of the outer diameter 812 has a positioning hole 14 communicating with the accommodating cavity 13, the positioning cone 82 can extend out of or retract into the accommodating cavity 13 relative to the positioning hole 14, the tip of the positioning cone 82 is opposite to the positioning hole 14 when the positioning cone 82 retracts into the accommodating cavity 13, so that the tip of the positioning cone 82 faces outwards when the positioning cone 82 extends out of the accommodating cavity 13, and the positioning cone 82 can be conveniently inserted into the hole wall. The cavity bottom wall that holds chamber 13 has guide way 15, guide way 15 can be square groove, the length direction of guide way 15 is the same with the length direction of location awl 82, the gliding is equipped with guide block 16 in guide way 15, guide block 16 is corresponding also square, guide block 16 and location awl 82 fixed connection, fixed connection can be welding or integrated into one piece, thereby guide block 16 just can be corresponding when sliding along guide way 15 location awl 82 stretch out locating hole 14 or shrink into and hold chamber 13.

Further, the air bag type curtain leakage plugging device further comprises a driving mechanism 9, referring to fig. 3, the driving mechanism 9 comprises a driving piece and a restoring piece 92, the driving piece is used for driving the positioning cone 82 to extend out of the accommodating cavity 13 through the positioning hole 14; the restoring member 92 serves to provide a restoring force for the positioning cone 82 to move into the receiving chamber 13. Specifically, a guide rod 17 is arranged in the guide groove 15, two ends of the guide rod 17 are respectively and fixedly connected with two opposite end walls of the guide groove 15, the middle section of the guide rod 17 penetrates through the guide block 16, the restoring piece 92 is a spring, the spring is sleeved on the guide rod 17, one end of the spring is fixedly connected with the guide block 16, and the other end of the spring is fixedly connected with the groove wall of the guide groove 15; in the natural state of the spring, the positioning cone 82 retracts into the accommodating cavity 13. The spring has elastic restoring force, and because the two ends of the spring are respectively connected with the groove walls of the guide block 16 and the guide groove 15, when the spring is not in a natural state, the spring can apply the force of sliding the guide block 16 along the guide groove 15, when the guide block 16 is not stressed, the restoring force of the spring can drive the guide block 16 to slide along the guide groove 15 until the guide block 16 moves to the state that the spring is in the natural state, and at the moment, the positioning cone 82 retracts into the accommodating cavity 13.

Further, regarding the specific setting of the driving element, referring to fig. 4, the driving element is the driving airbag 91, the driving mechanism 9 further includes an inflating element 93, the inflating element 93 may be a micro air pump, the micro air pump is disposed in the accommodating cavity 13, the micro air pump may be fixedly connected to the cavity wall of the accommodating cavity 13, the driving airbag 91 may expand, an exhaust port of the micro air pump is connected to the driving airbag 91, and thus the micro air pump can drive the driving airbag 91 to expand. The cavity wall of the containing cavity 13 close to the inner diameter 811 is provided with a limiting piece 18, the connecting mode of the limiting piece 18 and the cavity wall of the containing cavity 13 can be welding, the driving air bag 91 can be annular, one side of the driving air bag 91 abuts against the limiting piece 18, and the other side, opposite to the driving air bag 91, abuts against one end, away from the tip, of the positioning cone 82. When the driving airbag 91 is inflated, the positioning cone 82 is far away from the limiting member 18, and since the tip of the positioning cone 82 is opposite to the positioning hole 14 when the positioning cone 82 is retracted into the accommodating cavity 13, when the end of the positioning cone 82 far away from the tip is far away from the limiting member 18, the tip of the positioning cone 82 penetrates through the positioning hole 14, and at this time, the positioning cone 82 extends out of the accommodating cavity 13, so that the positioning cone 82 extends out of the accommodating cavity 13 when the driving airbag 91 is inflated.

In addition, referring to fig. 4, the number of the positioning cones 82 is plural, and the number of the restoring member 92, the limiting member 18 and the guide rod 17 is the same as that of the positioning cones 82 and corresponds to one another. The positioning cones 82 can make the connection between the connection casing 81 and the hole wall drilled by the drill bit 4 more stable, so that the drill bit 4 is not easy to deviate in the drilling process. Meanwhile, one positioning cone 82 and the corresponding limiting member 18 form a driving groove, and each section of the driving airbag 91 is clamped into a different driving groove, so that only one driving airbag 91 is required to be expanded to drive a plurality of positioning cones 82 to move simultaneously.

Further, referring to fig. 2 and 4, the air bag type curtain leakage plugging device further includes a limiting plate 19 and a fixing bolt 24, an opening is formed in the upper end of the connection sleeve 81, the limiting plate 19 is open and closed, an insertion groove 20 is formed in the limiting plate 19, the number of the insertion grooves 20 is the same as that of the limiting members 18, the insertion grooves 20 are in one-to-one correspondence, one limiting member 18 is inserted into one insertion groove 20, the lower end of the limiting plate 19 abuts against the upper end of the driving air bag 91, an annular overlapping groove 25 is formed in a portion, close to the outer diameter 812, of the connection sleeve 81, one end, away from the limiting member 18, of the limiting plate 19 is overlapped in the overlapping groove 25, meanwhile, the fixing bolt 24 sequentially penetrates through the groove walls of the limiting plate 19 and the overlapping groove 25, and the limiting plate 19 is kept fixed relative to the connection sleeve 81. The drive gasbag 91 is because the upper end offsets with limiting plate 19, so when drive gasbag 91 inflation, the difficult vertical inflation of drive gasbag 91, and drive gasbag 91 can transversely expand and stretch out the power that holds chamber 13 in order to provide location awl 82 to the drive location awl 82 that can be more convenient when drive gasbag 91 inflation moves to stretching out and holds chamber 13.

In addition, referring to fig. 5, the air bag type curtain leakage plugging device further comprises a storage hopper 26 and a fixing member 27, wherein an elastic member 28 is arranged in the storage hopper 26, the storage hopper 26 is provided with a discharge port 29, an elastic member inlet 30 is arranged on the grouting head 6, a connecting convex edge 31 is arranged at the position of the elastic member inlet 30, the connecting convex edge 31 is in a square cylinder shape, the connecting mode of the connecting convex edge 31 and the wall of the elastic member inlet 30 can be welding, a connecting member 32 is arranged at the position of the discharge port 29 of the storage hopper 26, the connecting member 32 is inserted into the elastic member inlet 30, and the outer side wall of the connecting convex edge 31 is abutted against the inner wall of the connecting convex edge 31 when the connecting member 32 is inserted; the fixing member 27 is a screw, the fixing member 27 sequentially passes through the connecting flange 31 and the connecting member 32, and the end part of the fixing member is in threaded connection with the connecting member 32, so that the storage hopper 26 and the grouting head 6 can be kept relatively fixed, at this time, the discharge port 29 is communicated with the elastic member inlet 30, and the elastic member 28 in the storage hopper 26 enters the grouting head 6 through the elastic member inlet 30.

Referring to fig. 1, an elastomer injection channel 33 is arranged on each of the drill rod 5 and the drill bit 4, the drill rod 5 is communicated with the elastomer injection channel 33 of the drill bit 4, the elastomer inlet 30 is communicated with the elastomer injection channel 33 at the upper end of the drill rod 5, an elastomer injection outlet 34 is arranged on the drill bit 4, and the elastomer injection outlet 34 is communicated with the lower end of the elastomer injection channel 33 on the drill bit 4. Such that elastomer 28 entering through elastomer inlet 30 will enter elastomer channel 33 and eventually exit through elastomer outlet 34. The storing hopper 26 also injects the elastic member 28 along the elastic member injecting passage 33 when injecting the grout, the elastic member 28 is discharged along the elastic member injecting outlet 34 to be solidified with the injected grout to form a leak stopping body of a leak stopping point, and due to the elasticity of the elastic member 28, the elastic member 28 is deformed by applying a part of force to the elastic member 28, but the elastic member 28 is restored after the application of the force is removed. When the volume of the solidified slurry is changed due to temperature change, the elastic part 28 is compressed, but the whole leakage stoppage body is not easy to deform, and the solidified slurry is not easy to crack, so that the air bag type curtain leakage stoppage device has a good leakage stoppage effect.

Finally, referring to fig. 1, the elastic member 28 may be made of rubber or plastic. Furthermore, the elastic member 28 may be an air bag. The air bag is a flexible rubber capsule filled with compressed air or water medium, and the elasticity is realized by utilizing the compressibility of air and the fluidity of water. When the air bag and the injected slurry are solidified together to form a whole body for plugging the plugging and leaking point, the solidified slurry is not easy to generate cracks, so that the plugging effect is better.

The implementation principle of the air bag type curtain leakage plugging device in the embodiment of the application is as follows: during construction, a shallow hole is drilled by the drill 4 along a leakage point, then the connecting casing 81 enters the hole drilled by the drill 4, then the driving air bag 91 is inflated by the inflating part 93 to expand the driving air bag 91, because two sides of the driving air bag 91 respectively abut against the limiting part 18 and one end of the positioning cone 82, which is far away from the tip end, of the positioning cone 18 and the cavity wall of the accommodating cavity 13, the positioning cone 82 is far away from the limiting part 18 when the driving air bag 91 is expanded, because the tip end of the positioning cone 82 is opposite to the positioning hole 14 when the positioning cone 82 retracts into the accommodating cavity 13, when one end of the positioning cone 82, which is far away from the limiting part 18, the tip end of the positioning cone 82 penetrates through the positioning hole 14, at the moment, the positioning cone 82 extends out of the accommodating cavity 13, and therefore, the positioning cone 82 extends out of the accommodating cavity 13 when the driving air bag 91 is expanded. After the positioning cone 82 extends out of the accommodating cavity 13 through the positioning hole 14, the hole wall of the hole drilled by the drill 4 is inserted, and at this time, under the action of the positioning cone 82, the connecting casing 81 and the hole wall of the hole are kept relatively fixed. When drill bit 4 continues down-hole, because drilling rod 5 can follow the vertical direction motion for connection housing 81, so drill bit 4 also can continue down-hole for connection housing 81 along vertical direction this moment, thereby drill bit 4 is difficult for the skew at drilling in-process, thereby motion to leakage department that drill bit 4 can be accurate, after drill bit 4 moves to leakage department, slip casting entry 12 through slip casting head 6 pours into the thick liquid, the thick liquid can be discharged to leakage department by slip casting export 11 on the drill bit 4, just can leaking stoppage leakage point after the thick liquid solidifies, so this gasbag formula curtain leakage stoppage device can solve the defect of unable accurate leaking stoppage leakage point.

Meanwhile, when the slurry is injected, the storage hopper 26 also injects the elastic member 28 along the elastic member injection passage 33, the elastic member 28 is discharged along the elastic member injection outlet 34 and is solidified together with the injected slurry to form a leakage stoppage whole body of a leakage stoppage leakage point, and due to the elasticity of the elastic member 28, partial force is applied to the elastic member 28 to deform the elastic member 28, but the elastic member 28 is restored after the applied force is removed. When the volume of the solidified slurry is changed due to temperature change, the elastic part 28 is compressed, but the whole leakage stoppage body is not easy to deform, and the solidified slurry is not easy to crack, so that the air bag type curtain leakage stoppage device has a good leakage stoppage effect.

In conclusion, the air bag type curtain leakage plugging device solves the defects that leakage points cannot be accurately plugged and the leakage plugging effect is poor.

The embodiment of the application also discloses an air bag type curtain leakage plugging method, which comprises the following steps:

s1, the drill bit 4 and the drill rod 5 are drilled into the surface of the soil body, the drill rod 5 and the drilling machine can be connected when in use, so that the drilling machine can rotate the drill rod 5 and the drill bit 4, the drill bit 4 can cut the soil body when rotating, and holes can be drilled when drilling.

S2, the drill rod 5 is connected to the connection housing 81 and the connection housing 81 is put into the hole drilled by the drill bit 4.

S3, the inflating member 93 is actuated to inflate the driving airbag 91, and the driving airbag 91 is inflated to make the tip of the positioning cone 82 insert into the hole wall, so that the connecting sleeve 81 is fixed relative to the hole wall.

S4, the drill bit 4 and drill pipe 5 continue to drill deep into the earth.

S5, paving the mattress 1, the surface air bag 2 and the sealing cover plate 3 on the surface of the soil body in sequence, and simultaneously enabling the drill rod 5 to penetrate through the sealing cover plate 3, so that injected slurry and the like are not easy to seep out under the action of the mattress 1, the surface air bag 2 and the sealing cover plate 3.

And S6, connecting the storage hopper 26 with the grouting head 6, and then connecting the grouting head 6 with the end part of the drill rod 5 penetrating out of the sealing cover plate 3.

S7, the hopper 26 feeds the elastic member 28 to the injection elastic member passage 33, and the grout is fed from the injection inlet 12 to the injection passage 10.

S8, after the elastic part 28 and the slurry are mixed and injected into the soil body for final setting, the surface air bag 2 is removed, and the plugging construction is completed.

The implementation principle of the leakage plugging method for the air bag type curtain in the embodiment of the application is as follows: during construction, the drill bit 4 drills a shallow hole along a leakage point, then the connecting casing 81 enters the hole drilled by the drill bit 4, then the air bag 91 is driven to inflate and expand to drive the positioning cone 82 to insert into the hole wall of the hole drilled by the drill bit 4, and at the moment, under the action of the positioning cone 82, the connecting casing 81 and the hole wall of the hole are kept relatively fixed. When the drill bit 4 continues to drill downwards, because the drilling rod 5 can move along the vertical direction for the connection housing 81, so the drill bit 4 also can continue to drill downwards along the vertical direction for the connection housing 81 at this moment, thereby the drill bit 4 is difficult for squinting in the drilling process, thereby the drill bit 4 can be accurate moves to the leakage position, after the drill bit 4 moves to the leakage position, the grouting inlet 12 through the grouting head 6 injects the grout, the grout can be discharged to the leakage position by the grouting channel 10 on the drill bit 4, just can leaking stoppage leakage point after the grout solidifies, so the air bag type curtain leakage stoppage method can solve the defect that the leakage point can not be accurately blocked.

Meanwhile, the storage hopper 26 also injects the elastic member 28 along the elastic member injection passage 33 when injecting the grout, the elastic member 28 is solidified together with the injected grout to form a leak stopping body of a leak stopping point, and due to the elasticity of the elastic member 28, a part of force applied to the elastic member 28 deforms the elastic member 28, but the elastic member 28 is restored after the applied force disappears. When the volume of the solidified grout changes due to temperature change, the elastic part 28 is compressed, but the whole leaking stoppage is not easy to deform, and the solidified grout is not easy to crack, so that the leaking stoppage effect of the air bag type curtain leaking stoppage method is good.

In conclusion, the leakage stopping method for the air bag type curtain leakage solves the defects that leakage points cannot be stopped accurately and the leakage stopping effect is poor.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. An air bag type curtain leakage plugging device comprises a mattress (1), a surface air bag (2), a sealing cover plate (3), a drill bit (4), a drill rod (5) and a grouting head (6), wherein the drill bit (4), the drill rod (5) and the grouting head (6) are sequentially connected, the drill rod (5) sequentially penetrates through the mattress (1), the surface air bag (2) and the sealing cover plate (3), one end of the drill rod (5) is exposed out of the sealing cover plate (3) and connected with the grouting head (6), the other end of the drill rod (5) is connected with the drill bit (4), and the drill bit (4) is circumferentially provided with a helical blade (7); the method is characterized in that: the storage hopper is characterized by further comprising a storage hopper (26), a positioning mechanism (8) and a driving mechanism (9), wherein the positioning mechanism (8) comprises a connecting casing (81) and a positioning cone (82), the connecting casing (81) is provided with an accommodating cavity (13), the connecting casing (81) is provided with an inner diameter (811) and an outer diameter (812), the outer surface of the outer diameter (812) is provided with a positioning hole (14) communicated with the accommodating cavity (13), the positioning cone (82) can extend out of or retract into the accommodating cavity (13) relative to the positioning hole (14), and the driving mechanism (9) is used for driving the positioning cone (82) to move;

the positioning cone (82) is provided with a tip, and the tip of the positioning cone (82) is opposite to the positioning hole (14) when the positioning cone (82) is retracted into the accommodating cavity (13);

the drill rod (5) is rotatably connected with the inner diameter (811) of the connecting casing (81) and can move along the vertical direction relative to the connecting casing (81);

an elastic part (28) is arranged in the storage hopper (26), the storage hopper (26) is provided with a discharge hole (29), an elastic part injection channel (33) and a grouting channel (10) are arranged on the drill rod (5) and the drill bit (4), the drill rod (5) is communicated with the elastic part injection channel (33) of the drill bit (4), and the discharge hole (29) is communicated with the elastic part injection channel (33);

an elastic injection part outlet (34) and a grouting outlet (11) are formed in the drill bit (4), and the elastic injection part channel (33) is communicated with the elastic injection part outlet (34);

a grouting inlet (12) is formed in the grouting head (6), the grouting inlet (12) is communicated with one end of the grouting channel (10), and the grouting outlet (11) is communicated with the other end of the grouting channel (10);

the connecting device further comprises a bearing (21), wherein the outer ring of the bearing (21) is fixedly connected with the inner diameter (811) of the connecting sleeve shell (81);

the inner ring of the bearing (21) is provided with a limiting protrusion (22), the drill rod (5) is provided with a limiting groove (23) into which the limiting protrusion (22) is inserted, and the length direction of the limiting groove (23) is along the vertical direction;

the grouting device is characterized by further comprising a fixing part (27), an elastic part inlet (30) communicated with an elastic part channel (33) is formed in the grouting head (6), a connecting convex edge (31) is arranged at the position of the elastic part inlet (30), a connecting piece (32) is arranged at the position of a discharge hole (29) of the storage hopper (26), and the connecting piece (32) is inserted into the elastic part inlet (30) and the outer side wall of the connecting piece is abutted against the inner wall of the connecting convex edge (31) when the connecting piece (32) is inserted;

the fixing piece (27) sequentially penetrates through the connecting convex edge (31) and the connecting piece (32) so as to enable the storage hopper (26) and the grouting head (6) to be relatively fixed.

2. The air bag curtain leakage plugging device according to claim 1, wherein: the cavity wall of the accommodating cavity (13) is provided with a guide groove (15), the length direction of the guide groove (15) is the same as that of the positioning cone (82), a guide block (16) is arranged in the guide groove (15) in a sliding mode, and the guide block (16) is fixedly connected with the positioning cone (82).

3. A gas bag curtain leakage plugging device according to claim 2, wherein: the driving mechanism (9) comprises a driving piece and a restoring piece (92), wherein the driving piece is used for driving the positioning cone (82) to extend out of the accommodating cavity (13);

the restoring piece (92) is used for providing restoring force for moving the positioning cone (82) to retract into the accommodating cavity (13).

4. A gas bag curtain leakage plugging device according to claim 3, wherein: the driving part is a driving air bag (91), the driving mechanism (9) further comprises an inflating part (93), the driving air bag (91) can be expanded, and the inflating part (93) is used for inflating the driving air bag (91) to expand the driving air bag (91);

the cavity wall of holding chamber (13) is equipped with locating part (18), one side and locating part (18) of drive gasbag (91) offset, the opposite side of drive gasbag (91) with location awl (82) deviate from the tip one end and offset.

5. The air bag curtain leakage plugging device according to claim 4, wherein: a guide rod (17) is arranged in the guide groove (15), the guide rod (17) penetrates through the guide block (16), the restoring piece (92) is a spring, the spring is sleeved on the guide rod (17), one end of the spring is fixedly connected with the guide block (16), and the other end of the spring is fixedly connected with the groove wall of the guide groove (15);

in the natural state of the spring, the positioning cone (82) retracts into the accommodating cavity (13).

6. The air bag curtain leakage plugging device according to claim 5, wherein: the elastic piece (28) is made of rubber or plastic.

7. The air bag curtain leakage plugging device of claim 6, wherein: the elastic member (28) is an air bag.

8. The use method of the leakage plugging device of the air bag type curtain as claimed in any one of claims 1 to 7, wherein: the method comprises the following steps:

s1, drilling the drill bit (4) and the drill rod (5) into the soil surface;

s2, connecting the drill rod (5) with the connecting casing (81), and placing the connecting casing (81) into the hole drilled by the drill bit (4);

s3, starting the inflating piece (93) to inflate the driving air bag (91), inflating and expanding the driving air bag (91) so as to enable the tip of the positioning cone (82) to be inserted into the hole wall;

s4, the drill bit (4) and the drill rod (5) continue to drill into the depth of the soil body;

s5, paving a mattress (1), a surface air bag (2) and a sealing cover plate (3) on the surface of a soil body in sequence, and enabling a drill rod (5) to penetrate through the sealing cover plate (3);

s6, connecting the storage hopper (26) with the grouting head (6), and connecting the grouting head (6) with the drill rod (5) through the end part of the sealing cover plate (3);

s7, the storage hopper (26) injects the elastic piece (28) into the injection elastic piece channel (33), and the grout is injected into the injection channel (10) from the injection inlet (12);

s8, after the elastic piece (28) and the slurry are mixed and injected into the soil body for final setting, the surface air bag (2) is removed, and the plugging construction is completed.

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