CN211974935U

CN211974935U - Layering water stop device is used in hydrogeology probing

Info

Publication number: CN211974935U
Application number: CN202020680562.6U
Authority: CN
Inventors: 张珊珊; 谢文苹; 路睿
Original assignee: Qinghai Geological Survey Bureau
Current assignee: Qinghai Geological Survey Bureau
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-11-20
Anticipated expiration: 2030-04-29

Abstract

The utility model discloses a layering watertight fittings is used in hydrogeology probing, including the drilling pipeline, the fixed lantern ring, the rubber inner circle, soft rubber seal cover, rubber seal gasbag, gas filled tube and external gas tube, the outside cover of drilling pipeline is equipped with the fixed lantern ring, fixedly connected with rubber inner circle on the inner wall of the fixed lantern ring, it is equipped with soft rubber seal cover all to overlap between the upper portion in clearance and the lower part between the fixed lantern ring and the drilling pipeline, fixedly connected with rubber seal gasbag on the outer wall of the fixed lantern ring, set up gas filled tube in the rampart of the fixed lantern ring, gas filled tube passes through pipe connection head and external gas tube fixed connection. The utility model discloses, through the drilling pipeline, the fixed lantern ring, rubber inner circle, soft rubber seal cover, rubber seal gasbag, gas filled tube and the external gas tube that sets up, solved the slip casting shutoff or adopted special expanding material to keep apart, not only the cost is high, and the process is very complicated moreover, takes place the obstructed problem of slip casting pipe very easily.

Description

Layering water stop device is used in hydrogeology probing

Technical Field

The utility model relates to a relevant equipment technical field of hydrogeological exploration specifically is a layering watertight fittings is used in hydrogeological probing.

Background

In hydrogeological investigation, in order to find out the permeability of an aquifer, the size of water inflow, the buried motion characteristics of underground water and the hydraulic connection between aquifers, a pumping test method is often used for measuring hydrogeological parameters such as the permeability coefficient of the aquifer. Used drilling stagnant water prevents mostly to be slip casting shutoff or adopts special expanding material to keep apart in the hydrogeological survey nowadays, and not only the cost is high, and the process is very complicated moreover, takes place the slip casting pipe very easily and blocks to reduce work efficiency, still can lead to the drilling pore wall to collapse in the relatively poor region of stratum nature, seriously influence going on smoothly of geological survey work.

Disclosure of Invention

Technical problem to be solved

The not enough to prior art, the utility model provides a hydrogeology is layering watertight fittings for probing has solved the slip casting shutoff or has adopted special expanded material to keep apart, and not only the cost is high, and the process is very complicated moreover, takes place the obstructed problem of slip casting pipe very easily.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a hydrogeology is layering watertight fittings for probing, includes drilling pipeline, the fixed lantern ring, rubber inner circle, soft rubber seal cover, rubber seal gasbag, gas tube and external gas tube, the outside cover of drilling pipeline is equipped with the fixed lantern ring, fixedly connected with rubber inner circle on the inner wall of the fixed lantern ring, it is equipped with soft rubber seal cover all to overlap between the upper portion in clearance and the lower part between the fixed lantern ring and the drilling pipeline, fixedly connected with rubber seal gasbag on the outer wall of the fixed lantern ring, set up gas tube in the rampart of the fixed lantern ring, gas tube passes through pipe connection head and external gas tube fixed connection.

Preferably, the rubber inner ring is bonded at the middle position of the inner side of the fixed sleeve ring, the rubber inner ring and the fixed sleeve ring are both in a circular tube shape, an air bag containing groove is formed in the position, corresponding to the installation position of the rubber sealing air bag, of the side wall of the outer wall of the fixed sleeve ring, and the rubber sealing air bag is arranged in the air bag containing groove.

Preferably, the gas outlet of the inflation pipeline arranged inside the fixed lantern ring is located in the air bag containing groove, the gas outlet of the inflation pipeline is communicated with the rubber sealing air bag, and the pipeline ends of the inflation pipeline, which are located on the upper end face and the lower end face of the fixed lantern ring, are fixedly connected with the connecting female heads.

Preferably, the lower part integral type of connecting female head is provided with the plug ring, and connects female head and pass through plug ring and fixed cover ring fixed connection, the one side integral type that deviates from the plug ring on connecting female head is provided with threaded connection head.

Preferably, the female connection head is in threaded connection with a threaded connection groove formed in the male connection head through a threaded connection head, the threaded connection head is matched with the threaded connection groove, and the male connection head is fixedly connected to the external inflation tube.

Preferably, the soft rubber sealing sleeve is integrally provided with an insertion sleeve, and the insertion sleeve is inserted into a gap between the rubber inner ring and the outer wall of the drilling pipeline.

(III) advantageous effects

The utility model provides a hydrogeology is layering watertight fittings for probing possesses following beneficial effect:

the utility model, through the arrangement of the drilling pipe in the drilled hole, the stability of the drilled hole is ensured, the drilled hole is prevented from collapsing, the drilled hole is kept smooth, the arrangement of the fixed lantern ring is convenient for bearing the rubber sealing air bag for sealing, thereby the rubber sealing air bag can be stably fixed at the use position after being inflated, thereby the stable sealing effect is achieved, the arrangement of the rubber inner ring and the soft rubber sealing cover is convenient for being matched with each other, thereby the gap between the fixed lantern ring and the outer wall of the drilling pipe is filled, the gap between the fixed lantern ring and the outer wall of the drilling pipe is sealed, the rubber sealing air bag is convenient for being inflated to expand to seal the inner wall between the fixed lantern ring and the drilling hole, thereby the sealing is achieved, the whole structure is simple, the use is simple and convenient, and the layered water stopping of the drilling hole is convenient and rapid according to the needs, the practicality is strong, has solved the slip casting shutoff or has adopted special expanded material to keep apart, and not only the cost is high, and the process is very complicated moreover, takes place the obstructed problem of slip casting pipe very easily.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the soft rubber sealing sleeve in fig. 1 according to the present invention;

figure 3 is a cross-sectional view of the retaining collar of figure 1 in accordance with the present invention;

fig. 4 is a schematic structural view of the pipe joint of fig. 1 according to the present invention.

The reference numbers in the figures are: 1. drilling a pipeline; 2. a fixed collar; 3. a rubber inner ring; 4. a soft rubber sealing sleeve; 5. a rubber sealing air bag; 6. an inflation conduit; 7. a pipe joint; 8. an inflation tube is connected externally; 9. an insertion sleeve; 10. an air bag placing groove; 11. connecting the female head; 12. a plug-in ring; 13. a threaded connector; 14. connecting a male head; 15. and (4) connecting the grooves by screw threads.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1-4, an embodiment of the present invention is shown; a layered water stop device for hydrogeological drilling comprises a drilling pipeline 1, a fixed sleeve ring 2, a rubber inner ring 3, a soft rubber sealing sleeve 4, a rubber sealing air bag 5, an air charging pipeline 6 and an external air charging pipe 8, wherein the fixed sleeve ring 2 is sleeved outside the drilling pipeline 1, the drilling pipeline 1 is arranged and used for being arranged in a drilled hole, so that the stability of the drilled hole is ensured, the drilled hole is prevented from collapsing, the drilled hole is kept smooth, the rubber sealing air bag 5 for sealing is conveniently borne by the fixed sleeve ring 2, so that the rubber sealing air bag 5 can be stably fixed at a use position after being inflated, a stable sealing effect is achieved, the rubber inner ring 3 is fixedly connected to the inner wall of the fixed sleeve ring 2, and the soft rubber sealing sleeve 4 is sleeved between the upper part and the lower part of a gap between the fixed sleeve ring 2 and the drilling pipeline 1, the setting of rubber inner circle 3 and soft rubber seal cover 4 is convenient for mutually support, thereby pack the clearance between its fixed lantern ring 2 and the 1 outer wall of drilling pipeline, thereby seal the clearance between the fixed lantern ring 2 and the 1 outer wall of drilling pipeline, fixedly connected with rubber seal gasbag 5 on the outer wall of fixed lantern ring 2, the inflation is got up after the rubber seal gasbag 5 of being convenient for utilize the setting inflates between the inner wall between sealed fixed lantern ring 2 and the drilling, thereby seal, inflation duct 6 has been seted up in the rampart of fixed lantern ring 2, inflation duct 6 passes through pipe connector 7 and external gas tube 8 fixed connection, be convenient for utilize the pipe connector 7 of setting to be connected between its the two, and utilize setting up of inflation duct 6 and external gas tube 8 to be inflated for rubber seal gasbag 5.

Rubber inner circle 3 bonds in the inboard intermediate position department of the fixed lantern ring 2, and rubber inner circle 3 all is the pipe shape with the fixed lantern ring 2, gasbag arrangement groove 10 has been seted up to the outer wall lateral wall department that the fixed lantern ring 2 corresponds rubber seal gasbag 5, and rubber seal gasbag 5 settles in gasbag arrangement groove 10, be convenient for utilize the gasbag arrangement groove 10 that sets up with its stable arrangement of rubber seal gasbag 5 on the fixed lantern ring 2, thereby stable good rubber seal gasbag 5 of settling, guarantee its stable operation and use.

The gas outlet of the inside gas filled tube 6 of seting up of fixed lantern ring 2 is located gasbag resettlement groove 10, and gas filled tube 6's gas outlet and rubber seal gasbag 5 communicate each other, the gas filled tube 6 of being convenient for aerifys for its rubber seal gasbag 5, the equal fixedly connected with of pipeline end on gas filled tube 6 is located the up end of fixed lantern ring 2 and the lower terminal surface connects female head 11, be convenient for utilize the female head 11 of connection that sets up to communicate its gas filled tube 6 on the external gas tube 8 connect public head 14, thereby guarantee the dismouting that can be quick between the two, thereby promote the convenience of use.

Connect female 11's lower part integral type and be provided with plug ring 12, and connect female 11 through plug ring 12 and the fixed 2 fixed connection of lantern ring, be convenient for utilize plug ring 12 with its fixed lantern ring 2 of connecting that female 11 is stable, promote the stability of connecting female 11, the one side integral type that deviates from plug ring 12 on connecting female 11 is provided with threaded connection head 13, threaded connection head 13 set up be convenient for connect female 11 with be connected public 14 threaded connection together.

Connect female head 11 through threaded connection head 13 with connect the threaded connection groove 15 threaded connection who sets up on the public head 14, and threaded connection head 13 and threaded connection groove 15 mutually support, connect public head 14 fixed connection on external gas tube 8, be convenient for connect public head 14 and connect female head 11 stable threaded connection together to it seals to stop the sticky tape at the junction of the two department ligature, guarantees sealing connection between the two.

The integral type is provided with on the soft rubber seal cover 4 and inserts cover 9, inserts in the clearance of cover 9 grafting between rubber inner circle 3 and drilling pipeline 1 outer wall, and the stable sealed clearance of living between the fixed lantern ring 2 of fixing and drilling pipeline 1 of the stable seal of the cover 9 of inserting on the soft rubber seal cover 4 of being convenient for utilize guarantees that stable sealing connection is in the same place between the two.

The working principle is as follows: when in use, the fixed lantern ring 2 is sleeved on the outer wall of the drilling pipeline 1 at the position needing sealing and water stopping according to the actual use requirement, then the soft rubber sealing sleeve 4 is sleeved at the upper end and the lower end of the connecting part of the fixed lantern ring 2 and the drilling pipeline 1, and the inserting sleeve 9 on the soft rubber sealing sleeve 4 is inserted into the gap between the rubber inner ring 3 and the outer wall of the drilling pipeline 1, then the pipeline connector 7 and the external inflation pipe 8 are used for connecting the inflation pipelines 6 on two adjacent fixed lantern rings 2 together, and the external inflation tube 8 connected in the uppermost fixed lantern ring 2 is connected with an inflation pump, and then the fixed lantern ring 2 is inserted into the drill hole along with the drill hole pipeline 1, and finally, the inflator pump is operated to inflate the rubber sealing air bag 5, and the inflated rubber sealing air bag 5 is inflated and filled between the fixed lantern ring 2 and the inner wall of the drill hole.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hydrogeological drilling is with layering watertight fittings, includes drilling pipeline (1), the fixed lantern ring (2), rubber inner circle (3), soft rubber seal cover (4), rubber seal gasbag (5), gas pipeline (6) and external gas tube (8), its characterized in that: the outside cover of drilling pipeline (1) is equipped with fixed lantern ring (2), fixedly connected with rubber inner circle (3) on the inner wall of the fixed lantern ring (2), all the cover is equipped with soft rubber seal cover (4) between the upper portion in clearance and the lower part between the fixed lantern ring (2) and drilling pipeline (1), fixedly connected with rubber seal gasbag (5) on the outer wall of the fixed lantern ring (2), set up gas pipeline (6) in the rampart of the fixed lantern ring (2), gas pipeline (6) are through pipe connection head (7) and external gas tube (8) fixed connection.

2. The layered water stopping device for hydrogeological drilling according to claim 1, characterized in that: rubber inner circle (3) bond in the inboard intermediate position department of fixed lantern ring (2), and rubber inner circle (3) all are the pipe shape with fixed lantern ring (2), gasbag arrangement groove (10) have been seted up to the outer wall lateral wall department of the corresponding rubber seal gasbag (5) of fixed lantern ring (2), and rubber seal gasbag (5) are settled in gasbag arrangement groove (10).

3. The layered water stopping device for hydrogeological drilling according to claim 2, characterized in that: the gas outlet of the inflation pipeline (6) arranged inside the fixed lantern ring (2) is located in the air bag containing groove (10), the gas outlet of the inflation pipeline (6) is communicated with the rubber sealing air bag (5), and the inflation pipeline (6) is located at the upper end face and the lower end face of the fixed lantern ring (2) and is fixedly connected with the connecting female head (11).

4. The layered water stopping device for hydrogeological drilling according to claim 3, characterized in that: the lower part integral type of connecting female (11) is provided with plug ring (12), and connects female (11) through plug ring (12) and the fixed lantern ring (2) fixed connection, the one side integral type that deviates from plug ring (12) on connecting female (11) is provided with threaded connection head (13).

5. The layered water stopping device for hydrogeological drilling according to claim 4, characterized in that: female head of connection (11) are through threaded connection head (13) and the threaded connection groove (15) threaded connection who offers on connecting public head (14), and threaded connection head (13) and threaded connection groove (15) mutually support, connect public head (14) fixed connection on external gas tube (8).

6. The layered water stopping device for hydrogeological drilling according to claim 1, characterized in that: the soft rubber sealing sleeve (4) is integrally provided with an insertion sleeve (9), and the insertion sleeve (9) is inserted into a gap between the rubber inner ring (3) and the outer wall of the drilling pipeline (1).