CN217300527U

CN217300527U - Drilling hole sealing device for karst investigation

Info

Publication number: CN217300527U
Application number: CN202221206237.1U
Authority: CN
Inventors: 张继伟
Original assignee: Beijing Urban Construction Exploration and Surveying Design Research Institute Co Ltd
Current assignee: Beijing Urban Construction Exploration and Surveying Design Research Institute Co Ltd
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2022-08-26
Anticipated expiration: 2032-05-16

Abstract

The utility model provides a karst reconnaissance is with probing hole sealing device which characterized in that: the inflator comprises an inflator, wherein a non-return air nozzle is arranged at the bottom of the inflator and connected with an inflator tube, a first inflation inlet is formed in the side wall of the inflator tube, a one-way valve is arranged below the first inflation inlet, and a second inflation inlet is formed below the one-way valve; the bottom of the inflation tube is provided with a first air bag which is sleeved outside the inflation tube, the bottom of the first air bag is provided with a connecting part, the connecting part is sleeved on the inflation tube outside the one-way valve, and the connecting part is fixedly and hermetically connected with the inflation tube; the bottom of the inflation tube is fixedly connected with a positioning disc, a positioning insertion rod is arranged in the positioning disc in a sliding mode, a second inflation port is connected with a second air bag, the bottom of the second air bag is provided with a linkage mechanism, and the second air bag is inflated to drive the linkage mechanism to insert the positioning insertion rod into the inner wall of the drilling hole.

Description

Drilling hole sealing device for karst investigation

Technical Field

The utility model relates to a karst reconnaissance probing technical field, more specifically says, in particular to drilling hole sealing device is used in karst reconnaissance.

Background

Karst is also known as karst, and is a general term for geological actions mainly caused by chemical erosion and auxiliary mechanical actions such as erosion, undermining and collapse of flowing water on soluble rocks (carbonate rock, gypsum, rock salt, etc.), and phenomena caused by these actions. Based on the investigation of the karst area, the drilling channel is only flooded for stratum fluid, so that the risk of site flooding and even casualties is caused, and therefore the drilling hole needs to be plugged.

The existing drilling hole sealing device generally adopts a permanent sealing mode, part of the existing drilling hole sealing device is sealed by pouring concrete, and the existing drilling hole sealing device is lack of adjusting capacity of orifice sealing, serious in resource waste, high in sealing cost, large in required material and poor in sealing performance. In addition, in the actual hole sealing process, the steps are complex, and the operation is not convenient.

Therefore, the utility model provides a karst reconnaissance is with probing hole sealing device that the installation is convenient and can the leakproofness be good.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing the technical scheme that can solve above-mentioned problem.

A drilling hole sealing device for karst exploration comprises an inflator pump, wherein a non-return air nozzle is arranged at the bottom of the inflator pump and connected with an inflation pipe, a first inflation inlet is formed in the side wall of the inflation pipe, a one-way valve is arranged in the inflation pipe and below the first inflation inlet, and a second inflation inlet is formed in the side wall of the inflation pipe and below the one-way valve;

the bottom of the inflation tube is provided with a first air bag which is sleeved outside the inflation tube, the bottom of the first air bag is provided with a connecting part, the connecting part is sleeved outside the inflation tube outside the one-way valve, and the connecting part is fixedly and hermetically connected with the inflation tube;

the bottom of the inflation tube is fixedly connected with a positioning disc, an insertion rod is arranged in the positioning disc in a sliding mode, a second inflation port is connected with a second air bag, the bottom of the second air bag is provided with a linkage mechanism, and the second air bag is inflated to drive the linkage mechanism to insert the positioning insertion rod into the inner wall of the drilling hole.

Further, the link gear is including push pedal, push rod and the cone that from top to bottom sets gradually, just equal fixed connection between push pedal, push rod and the cone, the push pedal with the second gasbag butt, the positioning disc is seted up flutedly, cone and push rod bottom are located in the recess, the recess top be provided with the spacing hole of push rod assorted, the recess outside seted up with the spout of recess intercommunication, the location inserted bar slide set up in the spout, just the tip of location inserted bar with the cone butt.

Furthermore, the middle of the positioning inserted bar is sleeved with a limiting ring, one end, away from the groove, of the limiting ring is connected with a spring, and one end, away from the groove, of the positioning rod is of a conical structure.

Furthermore, two second inflation ports are arranged, the two second inflation ports are oppositely arranged on two sides of the inflation tube on the same horizontal position, and each second inflation port is connected with one second air bag.

Furthermore, the inflatable tube is arranged below the one-way valve and is provided with a third inflation inlet communicated with the inner side of the third airbag.

Furthermore, a reinforcing ring is sleeved at the top of the inflator pump and fixedly connected with the outer side wall of the inflator pump, and a fixing cone is arranged on the reinforcing ring.

Compared with the prior art, the beneficial effects of the utility model are that:

firstly the utility model provides a karst reconnaissance is with probing hole sealing device inflates through setting up gas cylinder, gas tube, first gasbag, inflates through the gas cylinder, and gaseous first gasbag that enters into through gas tube and first gas outlet for first gasbag is aerifyd, and the packing has gaseous first gasbag and the mutual extrusion of drilling hole inner wall, produces mutual effort, thereby first gasbag is fixed in the drilling hole, with the drilling hole shutoff. And continuously inflating the first air bag, and gradually increasing the extrusion force between the inner wall of the drilling hole and the first air bag so that the outer surface of the first air bag is tightly connected with the inner wall of the drilling hole to generate a sealing effect. When the first air bag is inflated, the second air bag drives the linkage mechanism to insert the positioning insertion rod into the inner wall of the drilling hole, and therefore the drilling hole sealing device is further fixed in the drilling hole.

This probing hole sealing device only needs the operation gas cylinder to aerify first gasbag and second gasbag when in-service use, can accomplish the installation, compares with prior art, and the step is simple, the simple operation, need not concrete placement, and sealing performance is good.

The utility model provides a karst reconnaissance is with probing sealing device, the link gear includes the push pedal, push rod and cone, push pedal and second gasbag butt, cone and location inserted bar butt, when aerifing the second gasbag, the second gasbag increases in size, extrude the push pedal downwards to make push pedal, push rod and the equal downstream of cone, the cone moves down the in-process extrusion location inserted bar, the location inserted bar inserts in the probing hole inner wall, fix the positioning disc in the probing hole, further improve probing sealing device's stability.

Third the utility model provides a drilling hole sealing device is used in karst reconnaissance, through setting up the third gasbag, when first gasbag and second gasbag are aerifyd, aerify to the third gasbag, third gasbag volume grow extrudees with the drilling hole inner wall each other, effectively strengthens this drilling hole sealing device's sealing performance to the setting of two gasbags makes one of them gasbag damaged back, and the shutoff sealing performance of another gasbag can not lead to the drilling hole sealing device to become invalid.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is the overall structure schematic diagram of drilling hole sealing device for karst investigation in the embodiment of the utility model.

Fig. 2 is a schematic view of the state of use of the drilling and sealing device for karst exploration in the embodiment of the present invention.

Fig. 3 is a partial structural view of the apparatus for boring hole sealing for karst exploration in fig. 1.

Fig. 4 is an enlarged view of a in fig. 3.

In the figure: 1. an inflator; 2. a non-return air tap; 3. an inflation tube; 4. a first inflation port; 5. a one-way valve; 6. a second inflation port; 7. a first air bag; 8. a connecting portion; 9. positioning the disc; 10. positioning the inserted rod; 11. a second air bag; 12. pushing the plate; 13. a push rod; 14. a cone; 15. a groove; 16. a limiting hole; 17. a chute; 18. a limiting ring; 19. a spring; 20. a third air cell; 21. a third inflation port; 22. a reinforcing ring; 23. and (5) fixing the cone.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The specific embodiment is as follows:

as shown in fig. 1, the drilling and sealing device for karst exploration in the present embodiment includes a gas cylinder 1. The inflator 1 is vertically arranged, the inflator 1 comprises a cylinder body and an inflating rod, the bottom of the inflating rod is arranged in the cylinder body and is provided with a piston, and the bottom of the cylinder body is provided with a non-return air nozzle 2. The bottom of the inflator 1 is provided with an inflation tube 3, the upper end of the inflation tube 3 is connected and communicated with the non-return air nozzle 2, and the lower end of the inflation tube 3 is sealed. A first inflation inlet 4 is formed in the side wall of the upper portion of the inflation tube 3, a check valve 5 for gas to flow from top to bottom is arranged in the inflation tube 3 and located below the first inflation inlet 4, and a second inflation inlet 6 is formed in the side wall of the inflation tube 3 and located below the check valve 5.

In this embodiment, the bottom of the inflator 1 is provided with a first airbag 7, the first airbag 7 is sleeved outside the inflation tube 3, and the top of the first airbag 7 is fixedly connected with the bottom edge of the inflator 1. The bottom of the first air bag 7 is fixedly provided with a connecting part 8, the upper end face and the lower end face of the specific connecting part 8 are circular, and the bottom of the first air bag 7 is fixedly connected with the edge of the connecting part 8. The connecting part 8 is sleeved on the inflation tube 3 and is fixedly connected with the inflation tube 3, and the check valve 5 and the connecting part 8 are positioned at the same horizontal position.

In this embodiment, a positioning disc 9 is fixedly connected to the bottom of the inflation tube 1, and a positioning insertion rod 10 is slidably disposed in the positioning disc 9. The second inflation inlet 6 is connected with a second air bag 11, the bottom of the second air bag 11 is provided with a linkage mechanism, and the second air bag 11 is inflated to drive the linkage mechanism to insert the positioning inserted link 10 into the inner wall of the drilling hole.

In the drilling and hole sealing device for karst exploration in this embodiment, as shown in fig. 2, by providing the inflator 1, the inflator 3, and the first airbag 7, the inflator 1 inflates air, and the air enters the first airbag 7 through the inflator 3 and the first inflation port 4, so that the first airbag 7 inflates air, and the first airbag 7 filled with air and the inner wall of the drill hole are pressed against each other to generate an interaction force, so that the first airbag 7 is fixed in the drill hole to seal the drill hole. The first air bag 7 is continuously inflated, and the extrusion force between the inner wall of the drill hole and the first air bag 7 is gradually increased, so that the outer surface of the first air bag 7 is tightly connected with the inside of the drill hole, and a sealing effect is generated. And simultaneously inflating the first air bag 7 and the second air bag 11, driving the linkage mechanism by the second air bag 11 to insert the positioning inserted rod 10 into the inner wall of the drilled hole, thereby further fixing the drilling and hole sealing device in the drilled hole. When the plugging device is in actual use, the drilling hole can be plugged only by operating the inflator pump 1 to inflate the first air bag 7 and the second air bag 11.

In the present embodiment, as shown in fig. 3 and 4, the linkage mechanism includes a push plate 12, a push rod 13, and a cone 14. Push pedal 12, push rod 13 and cone 14 set gradually from top to bottom, and equal fixed connection between push pedal 12, push rod 13 and the cone 14, push pedal 13 and second gasbag 11 butt. The positioning disc 9 is provided with a groove 15, and the cone 14 and the bottom of the push rod 13 are slidably arranged in the groove 15. The top of the groove 15 is provided with a limiting hole 16 matched with the push rod 13, and the inner diameter of the limiting hole 16 is slightly larger than the outer diameter of the push rod 13. One side of the groove 15 close to the edge of the positioning disc 9 is provided with a sliding groove 17 communicated with the groove 15, the positioning insertion rod 10 is arranged in the sliding groove 17 in a sliding mode, one end, far away from the edge of the positioning disc 9, of the positioning insertion rod 10 is provided with a beveled surface, and one end, far away from the edge of the positioning disc 9, of the positioning insertion rod 10 is abutted to the cone 14.

In this embodiment, the middle of the positioning insertion rod 10 is sleeved with a limiting ring 18, the limiting ring 18 is fixedly connected with the positioning insertion rod 10, one end of the limiting ring 18 away from the groove 15 is provided with a spring 19, one end of the spring 19 is fixedly connected with the limiting ring 18, the other end of the spring is fixedly connected with one end of the sliding groove 17 away from the groove 15, and one end of the positioning insertion rod 10 away from the groove 15 is of a conical structure. Specifically, in this embodiment, two second inflation ports 6 are disposed on the inflation tube 3, the two second inflation ports 6 are disposed on two sides of the inflation tube 3 at the same horizontal position, each second inflation port 6 is connected to a second airbag 11, a linkage mechanism is disposed below each second airbag 11, and correspondingly, the positioning disc 9 is disposed with a groove 15 and a sliding groove 17 corresponding to the linkage mechanism and is provided with a positioning insertion rod 10.

Drilling hole sealing device is used in karst reconnaissance in this embodiment, the link gear includes push pedal 12, push rod 13 and cone 14,

push pedal

12 and 11 butts of second gasbag, cone 14 and location inserted bar 10 butts, when aerifing to

second gasbag

11, 11 increase in size of second gasbag, extrude push pedal 12 downwards, thereby make push pedal 12, push rod 13 and the equal downstream of cone 14, the in-process extrusion location inserted bar 10 of cone 14 downstream, location inserted bar 10 inserts in the drilling hole inner wall, fix location disc 9 in the drilling hole, further improve drilling hole sealing device's stability.

The drilling and sealing device for karst exploration in the embodiment further comprises a third air bag 20. The third airbag 20 is arranged between the connecting portion 8 and the positioning disc 9, the upper end and the lower end of the third airbag 20 are fixedly connected with the edges of the connecting portion 8 and the positioning disc 9, the side wall of the lower portion of the inflation tube 3 is provided with a third inflation inlet 21 communicated with the inner side of the third airbag 20, and the third inflation inlet 21 is located below the one-way valve 5.

In the drilling and sealing device for karst exploration in the embodiment, by arranging the third air bag 20, the third air bag 20 is inflated when the first air bag 7 and the second air bag 11 are inflated, the size of the third air bag 20 is increased, and the third air bag 20 and the inner wall of a drilling hole are mutually extruded, so that the sealing performance of the drilling and sealing device is effectively enhanced, and due to the arrangement of the double air bags, after one air bag is damaged, the sealing performance of the other air bag can not cause the drilling and sealing device to fail.

In this embodiment, the top of the cylinder body of the inflator pump 1 is sleeved with a reinforcing ring 22, the reinforcing ring 22 is fixedly connected with the inflator pump 1, a fixing hole is formed in the reinforcing ring 22, and a fixing cone 23 is arranged in the fixing hole. The fixed cone 23 comprises a cone body and a cone head, the outer diameter of the cone head is larger than that of the cone body, and the bottom of the cone body is of a cone-shaped structure. The cone of the fixed cone 23 penetrates through the fixed hole and is inserted into the rock-soil layer outside the top of the drill hole. Through setting up reinforcing ring 22 and fixed awl 23, reinforcing ring 22 erects in the drilling hole top, and covers in the drilling hole top outside, effectively strengthens drilling hole sealing device's sealed effect, and fixed awl 23 inserts in the ground layer in the drilling hole top outside for drilling hole sealing device is firm more fixed, effectively strengthens the holistic stability of drilling hole sealing device.

The operating principle of the drilling and hole sealing device for karst exploration in the embodiment is as follows:

when the device is used, the lower part of the drilling hole sealing device is inserted into a drilling hole, the reinforcing ring 22 is erected outside the top of the drilling hole, the reinforcing ring 22 is pressed, the inflating rod moves up and down to inflate the inflating tube 3, gas enters the upper part of the inflating tube 3 through the non-return air nozzle 2 and then enters the first air bag 7 through the first inflating opening 4, the first air bag 7 is inflated with gas to enlarge the volume of the first air bag 7, and the first air bag 7 and the inner wall of the drilling hole are extruded with each other to enable the first air bag 7 and the inner wall of the drilling hole to be tightly connected to generate a sealing effect; when the first air bag 7 is inflated, air enters the lower part of the inflation tube 3 through the one-way valve 5 and enters the second air bag 11 and the third air bag 20 through the second inflation port 6 and the third inflation port 21 respectively, the second air bag 11 is inflated to extrude the push plate 12 downwards, the push rod 13 and the cone 14 also move downwards, and the cone 14 abuts against the end part of the positioning inserted rod 10 and moves downwards to extrude the positioning inserted rod 10, so that the positioning inserted rod 10 is inserted into the inner wall of the drilling hole; the third air bag 20 is inflated, the volume of the third air bag 20 is increased, and the third air bag and the inner wall of the drilling hole are mutually extruded, so that the sealing performance of the drilling hole sealing device is effectively enhanced. And after inflation, performing a drawing test on the drilling sealing device to ensure that the device is firmly fixed and well sealed, and finally penetrating the fixing cone 23 through the fixing hole and inserting the fixing cone into a rock-soil layer on the outer side of the top of the drilling hole.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a karst reconnaissance is with probing hole sealing device which characterized in that: the inflatable tube comprises an inflatable tube (1), wherein a non-return air nozzle (2) is arranged at the bottom of the inflatable tube (1), the non-return air nozzle (2) is connected with an inflatable tube (3), a first inflation inlet (4) is formed in the side wall of the inflatable tube (3), a one-way valve (5) is arranged in the inflatable tube (3) and positioned below the first inflation inlet (4), and a second inflation inlet (6) is formed in the side wall of the inflatable tube (3) and positioned below the one-way valve (5);

the bottom of the inflator pump (1) is provided with a first air bag (7), the first air bag (7) is sleeved outside the inflation tube (3), the bottom of the first air bag (7) is provided with a connecting part (8), the connecting part (8) is sleeved on the inflation tube (3) outside the one-way valve (5), and the connecting part (8) is fixedly and hermetically connected with the inflation tube (3);

inflation tube (3) bottom fixedly connected with location disc (9), it is provided with location inserted bar (10) to slide in location disc (9), second inflation inlet (6) are connected with second gasbag (11), second gasbag (11) bottom sets up link gear, second gasbag (11) are aerifyd and are driven link gear will location inserted bar (10) insert the drilling hole inner wall.

2. Drilling and sealing device for karst exploration according to claim 1, characterized in that: link gear is including push pedal (12), push rod (13) and cone (14) that from top to bottom set gradually, just equal fixed connection between push pedal (12), push rod (13) and cone (14), push pedal (12) with second gasbag (11) butt, positioning disc (9) are seted up fluted (15), cone (14) and push rod (13) bottom are located in recess (15), recess (15) top be provided with push rod (13) assorted spacing hole (16), recess (15) outside seted up with spout (17) of recess (15) intercommunication, location inserted bar (10) slide set up in spout (17), just the tip of location inserted bar (10) with cone (14) butt.

3. Drilling and sealing device for karst exploration according to claim 2, characterized in that: the locating inserted bar (10) middle part cover is equipped with spacing ring (18), spacing ring (18) are kept away from recess (15) one end and are connected with spring (19), locating inserted bar (10) are kept away from recess (15) one end is the toper structure.

4. Drilling and sealing device for karst exploration according to claim 3, characterized in that: the number of the second inflation ports (6) is two, the two second inflation ports (6) are oppositely arranged on two sides of the same horizontal position of the inflation tube (3), and each second inflation port (6) is connected with one second air bag (11).

5. The drilling and sealing device for karst exploration according to claim 4, wherein: still include third gasbag (20), third gasbag (20) set up in between connecting portion (8) and positioning disc (9), just the upper and lower both ends of third gasbag (20) respectively in the edge fixed connection of connecting portion (8) and positioning disc (9), gas tube (3) just are located check valve (5) below seted up with third inflation inlet (21) of the inboard intercommunication of third gasbag (20).

6. The drilling and sealing device for karst exploration according to claim 5, wherein: the top of the inflator pump (1) is sleeved with a reinforcing ring (22), the reinforcing ring (22) is fixedly connected with the outer side wall of the inflator pump (1), and a fixing cone (23) is arranged on the reinforcing ring (22).