CN211340810U

CN211340810U - Complicated stratum high pressure jet grouting pile waterproof curtain construction equipment

Info

Publication number: CN211340810U
Application number: CN201922298011.3U
Authority: CN
Inventors: 何龙; 孙来超; 谢强; 王志永
Original assignee: Fourth Engineering Co Ltd of CCCC First Highway Engineering Co Ltd
Current assignee: Fourth Engineering Co Ltd of CCCC First Highway Engineering Co Ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-08-25
Anticipated expiration: 2029-12-19

Abstract

The utility model discloses a construction device for a high-pressure jet grouting pile waterproof curtain in a complex stratum; belonging to the technical field of deep foundation pit waterproof curtain construction; the grouting pipe is characterized by comprising a fixed block and a grouting pipe, wherein a threaded block is fixedly arranged in the middle of the bottom end of the fixed block, an inserting block is fixedly arranged at the bottom end of the threaded block and is positioned inside the grouting pipe, a plurality of sealing strips distributed at equal intervals are arranged on the outer side wall of the inserting block in a surrounding manner, the sealing strips are attached and connected with the inner wall of the grouting pipe, a first clamping groove is formed in the top end of the side wall of the grouting pipe, and a connecting plate is arranged at the top; the utility model discloses an inside inserting the slip casting piece with the grafting piece, rethread rotating connection board is with connecting plate and screw thread piece threaded connection to fix the slip casting pipe on the fixed block, equally through rotating connection board, thereby dismantle the slip casting pipe with extracting the grafting piece, thereby be favorable to easy to assemble and dismantle the slip casting pipe, thereby conveniently change or maintain slip casting pipe or shower nozzle, it is extravagant to reduce time, avoids influencing the engineering progress.

Description

Complicated stratum high pressure jet grouting pile waterproof curtain construction equipment

Technical Field

The utility model relates to a deep basal pit stagnant water curtain construction technical field, more specifically say, especially relate to a complicated stratum high pressure jet grouting stake stagnant water curtain construction equipment.

Background

The deep foundation pit waterproof curtain adopts reinforced concrete row piles as a supporting structure, and concretes soil among the row piles by a high-pressure jet grouting method to be connected with the concrete row piles into a whole to form a closed water-intercepting barrier. In the conventional construction method of the deep foundation pit waterproof curtain, a jet grouting pile machine is adopted for construction, holes need to be led firstly, then piles are formed, a drill bit with a nozzle is drilled to a designed depth by a drilling tool of a drilling machine, cement slurry with a certain water-cement ratio is pumped to the drill bit through a high-pressure pipe under the action of high pressure of a high-pressure pump, and the injected high-pressure cement slurry is sprayed out through the nozzle to impact and cut the surrounding soil body; and meanwhile, the drilling tool rotates at a certain speed and is lifted, so that the cement slurry is forced to stir the surrounding soil body to form a cylindrical pile body. Because the grout overcomes the stratum resistance and permeates into the surrounding stratum gaps, the stratum is solidified by the characteristics of the cement grout, so that the stratum strength is improved.

However, in the existing construction device for the high-pressure jet grouting pile waterproof curtain in the complex stratum, the grouting pipe and the nozzle are inconvenient to disassemble, the grouting pipe and the nozzle are the parts which are most easily blocked and damaged when in use, and when the grouting pipe and the nozzle need to be repaired, time and energy are wasted and the progress of the project is also influenced due to the inconvenient disassembly.

Therefore, it is necessary to provide a construction device for a high-pressure jet grouting pile waterproof curtain in a complex formation to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to the not enough of above-mentioned prior art, a complicated stratum high pressure jet grouting pile stagnant water curtain construction equipment of convenient dismantlement is provided.

The technical scheme of the utility model is realized like this: the utility model provides a complicated stratum high pressure spouts stake stagnant water curtain construction equipment soon, includes fixed block and slip casting pipe, fixed block bottom middle part is fixed and is provided with the screw thread piece, screw thread piece bottom mounting is provided with the grafting piece, and the grafting piece is located slip casting intraductal portion, grafting piece lateral wall encircles the sealing strip that is provided with a plurality of equidistant distributions, and sealing strip and slip casting intraductal wall laminating are connected, first draw-in groove has been seted up on slip casting pipe lateral wall top, the fixed block top is provided with the connecting plate, the spread groove has been seted up at connecting plate top middle part, spread groove tank bottom middle part has been seted up and has been led to the groove bottom, and lead to groove bottom through the connecting plate and extend to the connecting plate bottom, the connecting plate bottom cup joints through logical groove and first draw-in groove, the.

As a further scheme of the invention: the inner wall of the bottom end of the connecting groove is annularly provided with a gasket, the fixing block, the thread block and the inserting block are of annular structures, and the fixing block is communicated with the thread block, the thread block is communicated with the inserting block and the inserting block is communicated with the grouting pipe.

As a further scheme of the invention: the fixed block one side bottom has been seted up stirs the groove, stir the groove tank bottom and seted up the square groove, the extension groove has been seted up to square groove bottom inner wall. The bottom end of the extension groove penetrates through the fixing block and extends to the bottom end of the fixing block.

As a further scheme of the invention: the fixed telescopic link that is provided with of square groove top inner wall, the telescopic link bottom mounting is provided with the roof, the spring has been cup jointed on the telescopic link, and the both ends of spring respectively with square groove top inner wall and roof top middle part fixed connection, roof bottom middle part is fixed and is provided with the kelly, and the kelly bottom runs through the extending groove and extends to the fixed block bottom.

As a further scheme of the invention: the top plate is fixedly provided with a toggle plate on one side, the toggle plate penetrates through the toggle groove and extends to one side of the fixed block, one side of the top end of the connecting plate is provided with a second clamping groove matched with the clamping rod, and the second clamping groove is located at the bottom of the clamping rod.

As a further scheme of the invention: the fixed block lower surface edge encircles and is provided with the inoxidizing coating, slip casting bottom of the tubes is provided with the shower nozzle, a plurality of orifices that are the annular array and distribute are seted up to the shower nozzle lateral wall.

As a further scheme of the invention: the outer side wall of the connecting plate is provided with a plurality of straight grooves distributed in an annular array.

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

1. the utility model discloses an inside inserting the slip casting piece, rethread rotating connection plate with connecting plate and screw thread piece threaded connection to fix the slip casting pipe on the fixed block, through rotating connection plate equally, and extract the plug casting piece and thus dismantle the slip casting pipe, be favorable to easy to assemble and dismantle the slip casting pipe, thereby conveniently change or maintain slip casting pipe or shower nozzle, reduce the time waste, avoid influencing the engineering progress;

2. the utility model pushes the clamping rod into the second clamping groove through the telescopic rod and the spring, thereby clamping the connecting plate, which is favorable for preventing the connecting plate from rotating due to vibration when in use, and separating from the thread block to influence the normal use of the grouting pipe; the arrangement of the protective layer is favorable for preventing the connecting plate from directly rubbing the fixed block to generate abrasion and influence the service life of the fixed block and the connecting plate; the arrangement of the gasket is favorable for preventing the bottom end of the thread block from wearing the inner wall of the bottom end of the connecting groove;

3. the sealing structure is beneficial to increasing the sealing performance of the inserting block and the sealing strips through the arrangement of the sealing strips, and prevents mud from flowing out through a gap between the inserting block and the grouting pipe; through the setting of straight flute, be favorable to increasing the frictional force of connecting plate, make things convenient for the swivelling joint board.

Drawings

The present invention will be described in further detail with reference to the following examples, which are not intended to limit the invention.

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

fig. 2 is a schematic structural view of the fixing block of the present invention;

fig. 3 is a schematic structural diagram of the utility model at a in fig. 2;

fig. 4 is a schematic view of the structure of fig. 1 in partial section according to the present invention;

in the figure: 1. a fixed block; 2. a grouting pipe; 3. a thread block; 4. an insertion block; 5. a sealing strip; 6. a first card slot; 7. a connecting plate; 8. connecting grooves; 9. a through groove; 10. a poking groove; 11. a square groove; 12. an extension groove; 13. a telescopic rod; 14. a top plate; 15. a spring; 16. a clamping rod; 17. a poking plate; 18. a second card slot; 19. a gasket; 20. a protective layer; 21. a straight groove; 22. a spray head; 23. and (6) spraying the holes.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

The utility model provides a complicated stratum high pressure jet grouting pile waterproof curtain construction equipment as shown in fig. 1-4, including fixed block 1 and slip casting pipe 2, the fixed screw thread piece 3 that is provided with in 1 bottom middle part of fixed block.

As shown in fig. 1, the protective layer 20 is arranged around the edge of the lower surface of the fixed block 1, and the protective layer 20 is arranged to prevent the connecting plate 7 from directly rubbing against the fixed block 1, so that abrasion is generated, the service life of the fixed block 1 and the connecting plate 7 is affected, the bottom end of the grouting pipe 2 is provided with a nozzle 22, and the side wall of the nozzle 22 is provided with a plurality of nozzles 23 distributed in an annular array.

As shown in fig. 2 and 4, the bottom end of the threaded block 3 is fixedly provided with an insertion block 4, the insertion block 4 is positioned inside the grouting pipe 2, the outer side wall of the insertion block 4 is provided with a plurality of sealing strips 5 which are distributed at equal intervals in a surrounding manner, the sealing strips 5 are connected with the inner wall of the grouting pipe 2 in a fitting manner, the arrangement of the plurality of sealing strips 5 is favorable for improving the sealing performance of the insertion block 4 and the sealing strips 5, the slurry is prevented from flowing out through the gap between the insertion block 4 and the grouting pipe 2, the top end of the side wall of the grouting pipe 2 is provided with a first clamping groove 6, the top end of the fixed block 1 is provided with a connecting plate 7, the middle part of the top end of the connecting plate 7 is provided with a connecting groove 8, the middle part of the bottom of the connecting groove 8 is provided with a through groove 9, the bottom end of the through groove 7 extends to the bottom end of the connecting, the grouting pipe 2 is fixed on the fixed block 1 by inserting the inserting block 4 into the grouting pipe 2 and connecting the connecting plate 7 with the thread block 3 by rotating the connecting plate 7, the grouting pipe 2 is also disassembled by rotating the connecting plate 7 and pulling out the inserting block 4, the grouting pipe 2 is convenient to mount and disassemble, the grouting pipe 2 or the spray head 22 is convenient to replace or maintain, the time waste is reduced, the engineering progress is prevented from being influenced, the gasket 19 is arranged around the inner wall at the bottom end of the connecting groove 8, the bottom end of the thread block 3 is prevented from being worn by the inner wall at the bottom end of the connecting groove 8 by the arrangement of the gasket 19, the fixed block 1, the thread block 3 and the inserting block 4 are all in an annular structure, the fixed block 1 is communicated with the thread block 3, the thread block 3 is communicated with the inserting block 4 and the inserting block 4 is communicated with the grouting pipe 2, the outer side wall of the connecting plate 7 is provided with a plurality of, through the setting of straight flute 21, be favorable to increasing the frictional force of connecting plate 7, make things convenient for rotatory connecting plate 7.

As shown in fig. 3, a toggle groove 10 is formed at the bottom end of one side of the fixed block 1, a square groove 11 is formed at the bottom of the toggle groove 10, and an extension groove 12 is formed on the inner wall of the bottom end of the square groove 11. The bottom end of the extension groove 12 penetrates through the fixed block 1 and extends to the bottom end of the fixed block 1, the inner wall of the top end of the square groove 11 is fixedly provided with an extension rod 13, the bottom end of the extension rod 13 is fixedly provided with a top plate 14, the extension rod 13 is sleeved with a spring 15, two ends of the spring 15 are respectively fixedly connected with the inner wall of the top end of the square groove 11 and the middle part of the top end of the top plate 14, the middle part of the bottom end of the top plate 14 is fixedly provided with a clamping rod 16, the bottom end of the clamping rod 16 penetrates through the extension groove 12 and extends to the bottom of the fixed block 1, one side of the top plate 14 is fixedly provided with a toggle plate 17, the toggle plate 17 penetrates through the toggle groove 10 and extends to one side of the fixed block 1, one side of the top end of the connecting plate 7 is provided with a second clamping groove 18 matched with the clamping rod 16, the second clamping groove 18 is, the screw block 3 is separated, and the normal use of the grouting pipe 2 is influenced.

The utility model discloses the theory of operation:

when the grouting pipe 2 and the nozzle 22 are installed, the inserting block 4 is inserted into the grouting pipe 2, the outer side wall of the inserting block 4 is fixedly provided with a plurality of sealing strips 5 which are distributed at equal intervals, the sealing strips 5 are attached to the inner wall of the grouting pipe 2, the sealing strips 5 play a sealing role to prevent slurry from flowing out from a gap between the inserting block 4 and the grouting pipe 2 and influencing normal use, then the connecting plate 7 is moved upwards until the connecting groove 8 is contacted with the thread block 3, the outer side wall of the connecting plate 7 is provided with a plurality of straight grooves 21 which are distributed at equal intervals, the straight grooves 21 can increase the friction force of the connecting plate 7, the connecting plate 7 is convenient to rotate, the thread block 3 is in threaded connection with the side wall of the connecting groove 8 by rotating the connecting plate 7, when the connecting plate 7 is moved to the bottom end of the fixing block 1, the protective layer 20 is compressed, the protective layer 20 can prevent the connecting plate 7 from directly rubbing with, when the bottom end of the threaded block 3 moves to the bottom end of the connecting groove 8, the second clamping groove 18 formed in one side of the top end of the connecting plate 7 is just positioned at the bottom end of the clamping rod 16, the clamping rod 16 is clamped in the second clamping groove 18, at the moment, the bottom end of the connecting groove 8 is just attached to the inner wall of the top end of the first clamping groove 6, so that the top of the grouting pipe 2 is clamped in the connecting groove 8, the clamping rod 16 can prevent the connecting plate 7 from rotating, vibration is prevented from driving the connecting plate 7 to rotate when the grouting pipe 2 works, and the connecting plate 7 is separated from the threaded block; when slip casting pipe 2 and shower nozzle 22 are dismantled to needs, stir and dial board 17 to drive roof 14 rebound, thereby compression telescopic link 13 and spring 15 drive kelly 16 rebound simultaneously, until breaking away from second draw-in groove 18 inside, the antiport connecting plate 7 this moment makes connecting plate 7 break away from screw block 3, again with pegging graft piece 4 from slip casting pipe 2 inside extract can realize the dismantlement of slip casting pipe 2 and shower nozzle 22.

The above embodiment is the preferred embodiment of the present invention, which is only used to facilitate the explanation of the present invention, it is not right to the present invention, which makes the restriction on any form, and any person who knows commonly in the technical field can use the present invention to make the equivalent embodiment of local change or modification without departing from the technical features of the present invention.

Claims

1. The utility model provides a complicated stratum high pressure jet grouting pile stagnant water curtain construction equipment which characterized in that: the grouting device comprises a fixed block (1) and a grouting pipe (2), wherein a threaded block (3) is fixedly arranged in the middle of the bottom of the fixed block (1), an inserting block (4) is fixedly arranged at the bottom of the threaded block (3), the inserting block (4) is positioned inside the grouting pipe (2), the outer side wall of the inserting block (4) is surrounded by a plurality of sealing strips (5) which are distributed at equal intervals, the sealing strips (5) are attached to the inner wall of the grouting pipe (2), a first clamping groove (6) is formed in the top end of the side wall of the grouting pipe (2), a connecting plate (7) is arranged at the top end of the fixed block (1), a connecting groove (8) is formed in the middle of the top end of the connecting plate (7), a through groove (9) is formed in the middle of the bottom of the connecting groove (8), the bottom end of the through groove (9) penetrates through the connecting plate (7) and extends to the bottom end of the connecting, the thread block (3) is positioned inside the connecting groove (8), and the thread block (3) is in threaded connection with the side wall of the connecting groove (8).

2. The complex formation high-pressure jet grouting pile waterproof curtain construction device as claimed in claim 1, wherein a gasket (19) is arranged around the inner wall of the bottom end of the connecting groove (8), the fixing block (1), the threaded block (3) and the insertion block (4) are all in a ring structure, and the fixing block (1) and the threaded block (3), the threaded block (3) and the insertion block (4) are all communicated with the grouting pipe (2).

3. The complicated stratum high-pressure jet grouting pile waterproof curtain construction device according to claim 1, wherein a poking groove (10) is formed in the bottom end of one side of the fixed block (1), a square groove (11) is formed in the bottom of the poking groove (10), an extension groove (12) is formed in the inner wall of the bottom end of the square groove (11), and the bottom end of the extension groove (12) penetrates through the fixed block (1) and extends to the bottom end of the fixed block (1).

4. The complicated stratum high-pressure jet grouting pile waterproof curtain construction device according to claim 3, wherein a telescopic rod (13) is fixedly arranged on the inner wall of the top end of the square groove (11), a top plate (14) is fixedly arranged on the bottom end of the telescopic rod (13), a spring (15) is sleeved on the telescopic rod (13), two ends of the spring (15) are fixedly connected with the inner wall of the top end of the square groove (11) and the middle of the top end of the top plate (14), a clamping rod (16) is fixedly arranged in the middle of the bottom end of the top plate (14), and the bottom end of the clamping rod (16) penetrates through the extension groove (12) and extends to the bottom of the fixing block (1).

5. The complicated stratum high-pressure jet grouting pile waterproof curtain construction device according to claim 4, wherein a poking plate (17) is fixedly arranged on one side of the top plate (14), the poking plate (17) penetrates through the poking groove (10) and extends to one side of the fixed block (1), a second clamping groove (18) matched with the clamping rod (16) is formed in one side of the top end of the connecting plate (7), and the second clamping groove (18) is formed in the bottom of the clamping rod (16).

6. The construction device of the high-pressure jet grouting pile waterproof curtain in the complex stratum according to claim 1, wherein a protective layer (20) is arranged around the edge of the lower surface of the fixing block (1), a nozzle (22) is arranged at the bottom end of the grouting pipe (2), and a plurality of nozzles (23) distributed in an annular array are formed in the side wall of the nozzle (22).

7. The device for constructing the high-pressure jet grouting pile waterproof curtain in the complex stratum according to claim 1, wherein a plurality of straight grooves (21) distributed in an annular array are formed in the outer side wall of the connecting plate (7).