CN214783856U - Grouting pipe for construction of rotary jet pile composite foundation - Google Patents

Grouting pipe for construction of rotary jet pile composite foundation Download PDF

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Publication number
CN214783856U
CN214783856U CN202120187916.8U CN202120187916U CN214783856U CN 214783856 U CN214783856 U CN 214783856U CN 202120187916 U CN202120187916 U CN 202120187916U CN 214783856 U CN214783856 U CN 214783856U
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grouting pipe
adjusting block
installation
blocking
grouting
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CN202120187916.8U
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马淳
陈宇
杨化峰
邢仲星
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Beijing Tengyuxiang Construction Engineering Co ltd
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Beijing Tengyuxiang Construction Engineering Co ltd
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Abstract

The application relates to the field of foundation construction, in particular to a grouting pipe for constructing a composite foundation of a jet grouting pile, which is arranged on a drilling machine and connected with high-pressure grouting equipment; an installation part is integrally formed at one end of the grouting pipe facing the inside of the foundation, nozzles are installed on two sides of the installation part, installation grooves are formed in two sides of the installation part, and the nozzles are located in the installation grooves; the mounting part is provided with an anti-blocking component for sealing the opening of the mounting groove; prevent stifled subassembly including sliding connection prevent stifled board on the installation department with set up and be used for driving in the installation department and prevent the gliding regulating part of stifled board. This application has and plays better guard action to the nozzle, reduces the effect that nozzle blocking phenomenon appears.

Description

Grouting pipe for construction of rotary jet pile composite foundation
Technical Field
The application relates to the field of foundation construction, in particular to a grouting pipe for construction of a jet grouting pile composite foundation.
Background
A rotary jet pile composite foundation is a foundation structure for reinforcing the foundation, when a rotary jet grouting method is used for construction, firstly a drilling machine is used for drilling out a pilot hole, then a grouting pipe is inserted into the pilot hole, nozzles are arranged on two sides of the inner end part of the pilot hole of the grouting pipe, the grouting pipe is connected with high-pressure grouting equipment, grout is sprayed out of the nozzles after being pressurized, the sprayed grout damages the surrounding soil body, and in the spraying process, the grouting pipe is lifted while rotating, so that the sprayed grout and the soil body are fully mixed, a columnar fixing body with a certain diameter is formed, and the foundation is reinforced.
With respect to the related art in the above, the inventors found that: after drilling is completed, more slurry exists in the guide hole, the grouting pipe is inserted into the guide hole, the nozzle is located on the outer side of the grouting pipe, and in the process of descending, the phenomenon that the nozzle is blocked possibly occurs, so that the subsequent normal slurry spraying process is influenced.
SUMMERY OF THE UTILITY MODEL
In order to reduce the phenomenon that the normal guniting process is influenced by the occurrence of nozzle blockage, the application provides a grouting pipe for the construction of a composite foundation of a jet grouting pile.
The application provides a grouting pipe for construction of jet grouting pile composite foundation adopts following technical scheme:
a grouting pipe for construction of a rotary jet pile composite foundation is arranged on a drilling machine and connected with high-pressure grouting equipment; an installation part is integrally formed at one end of the grouting pipe facing the inside of the foundation, nozzles are installed on two sides of the installation part, installation grooves are formed in two sides of the installation part, and the nozzles are located in the installation grooves; the mounting block is provided with an anti-blocking component for sealing the opening of the mounting groove; prevent stifled subassembly including sliding connection prevent stifled board on the installation department with set up and be used for driving in the installation department and prevent the gliding regulating part of stifled board.
Through adopting above-mentioned technical scheme, use and prevent that the closure plate seals the opening of mounting groove, plays better guard action to the nozzle, when inserting the slip casting pipe in the lead hole of ground, can reduce the phenomenon that causes the jam to the nozzle, reduce the process production influence to follow-up slip casting, reduced the work of maintaining or changing the nozzle.
Optionally, prevent that stifled board is located the nozzle towards the one side of tip in the ground, offer the recess that is used for the installation to prevent stifled board on the installation department, prevent that the stifled board is L shape, prevent stifled board including being located the recess with installation department sliding connection's connecting portion and the shutoff portion of rigid coupling on connecting portion, set up the intercommunicating pore with the mounting groove intercommunication on the recess lateral wall, the shutoff portion pierces through to the opening of mounting groove in the mounting groove from the intercommunicating pore and seals.
Through adopting above-mentioned technical scheme, recess and mounting groove are in the partition state, and after preventing that the jam plate slides and open the opening of mounting groove, prevent that some of jam portion is located the intercommunicating pore, carry out the shutoff to the intercommunicating pore, reduce the phenomenon that outside thick liquid enters into to the recess, prevent that the hookup location department of jam plate keeps apart with the thick liquid, reduce the slip process of preventing the jam plate and receive the influence for the slip process of preventing the jam plate keeps smoothly.
Optionally, a plurality of guide rods are fixedly connected in the groove, the length direction of each guide rod is the same as the length direction of the grouting pipe, and each guide rod is connected with the connecting part in a sliding manner; the guide rod is sleeved with an anti-blocking spring, and the anti-blocking spring is positioned on one side, far away from the nozzle, of the connecting part.
Through adopting above-mentioned technical scheme, under the natural state, prevent stifled spring to preventing that stifled board applies the elasticity towards the nozzle direction, promote and prevent stifled board to the opening confined steadiness of mounting groove, be difficult to take place to prevent that stifled board slides and make the opening of mounting groove produce the phenomenon in gap, promote the protective effect to the nozzle.
Optionally, the adjusting member includes an adjusting block slidably connected in the mounting portion and an abutting spring disposed between the mounting portion and the adjusting block, and the abutting spring applies an elastic force to the adjusting block toward the upper side of the foundation; the connecting part is connected on the adjusting block.
Through adopting above-mentioned technical scheme, under the natural state, prevent stifled board and be in the opening confined state to the mounting groove, along with the injection of high-pressure thick liquid, exert elasticity to the regulating block, make the regulating block slide and compress the butt spring, it slides to drive prevents stifled board, open the opening of mounting groove, in order to carry out follow-up normal slip casting process, the in-process of use need not carry out extra operation, and is comparatively convenient, and after stopping the slip casting process, under the spring action of butt spring to the regulating block, it slides to drive the anti-blocking piece, seal the opening of mounting groove, promote the protecting effect to the nozzle.
Optionally, a closing piece is arranged at the end of the grouting pipe, the closing piece comprises a closing shell in threaded connection with the end of the mounting part, and one end, far away from the mounting part, of the closing shell shrinks towards the middle to form a tip; the closed shell is connected with a mounting plate in a rotating mode, a plurality of mounting columns are fixedly connected to the mounting plate, a connecting groove for inserting the mounting columns is formed in the adjusting block, and the abutting spring sleeves are arranged on the mounting columns.
Through adopting above-mentioned technical scheme, when inserting the slip casting pipe and draw in the hole, can be comparatively convenient with the most advanced insertion soil horizon of slip casting pipe, after in installing the installation department to the regulating block, install the enclosure at installation department tip, insert the spliced pole to the spread groove that corresponds in to tighten the enclosure on the installation department, fix the butt spring, it is comparatively convenient to tear open the ann of regulating block, follow-up can be comparatively convenient clear up the regulating block, it is more convenient to use.
Optionally, a connecting piece for connecting with the anti-blocking plate is arranged on the adjusting block, the connecting piece comprises a connecting column connected in the adjusting block in a sliding manner, a positioning spring arranged between the adjusting block and the connecting column, and a shifting rod fixed on the connecting column, the shifting rod penetrates out of the lower side of the adjusting block, and a strip-shaped hole for the shifting rod to slide is formed in the adjusting block; the anti-blocking plate is provided with a positioning groove for inserting the connecting column, and one side of the end part of the connecting column facing the nozzle is provided with an inclined surface.
Through adopting above-mentioned technical scheme, when installing the regulating block, insert the regulating block in the installation, regulating block male in-process, the inclined plane of spliced pole with prevent stifled board butt, it is inboard to drive the spliced pole and slide to the regulating block, slide to the spliced pole and the position back that the constant head tank aligns at the regulating block, the spliced pole inserts in the constant head tank under positioning spring's effect, fix preventing stifled board, it is comparatively convenient to carry out the operation of fixing to the regulating block with preventing stifled board, and positioning spring produces the elasticity of preventing stifled board direction towards the spliced pole, promote to the regulating block with prevent the fixed steadiness of stifled board.
Optionally, the thickness of the connecting position of the adjusting block and the anti-blocking plate towards one side of the nozzle is larger than the size of the groove in the length direction of the grouting pipe.
Through adopting above-mentioned technical scheme, at the gliding in-process of regulating block, the opening of recess is in all the time by regulating block confined state, can reduce the phenomenon that thick liquid flows to the recess appearing, reduces to the normal slip production influence that prevents stifled board for the slip of preventing stifled board keeps smoothly.
Optionally, a retaining ring is fixedly connected to the grouting pipe, the retaining ring is located on one side, facing the upper side of the foundation, of the nozzle on the grouting pipe, and the peripheral surface of the retaining ring is attached to the side wall of the drilled hole.
Through adopting above-mentioned technical scheme, at the in-process of carrying out the slip casting, can reduce the influence that the slip casting phenomenon produced normal work progress, reduce the dissipation of slip casting pressure, reduce size and the quality to spouting the stake soon and produce the influence.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the opening of the mounting groove is sealed by the arranged anti-blocking plate, so that the phenomenon that the nozzle is blocked is reduced in the process of inserting the grouting pipe into the guide hole, the influence on the normal grouting process is reduced, the follow-up maintenance or replacement work of the nozzle is reduced, and the use convenience is improved;
2. the adjusting block and the anti-blocking plate can be conveniently connected through the adjusting piece and the connecting piece, the sealing shell is arranged and connected to the mounting part in a threaded mode, the adjusting block can be conveniently disassembled and assembled, after grouting is completed, the adjusting block can be conveniently disassembled and cleaned, and the use is convenient;
3. through the retaining ring that sets up, can reduce the phenomenon of bleeding and exert an influence to normal work progress, reduce grouting pressure's dissipation for the size and the quality of the jet grouting pile that the construction formed can reach predetermined requirement, and can reduce extravagant phenomenon.
Drawings
FIG. 1 is a schematic view of a grout tube according to an embodiment of the present application;
FIG. 2 is a schematic view showing the structure of the anti-blocking assembly;
FIG. 3 is an enlarged schematic view of portion A of FIG. 2;
FIG. 4 is a schematic view showing the structure of the connector;
fig. 5 is an enlarged schematic view of a portion B in fig. 4.
Description of reference numerals: 1. a grouting pipe; 11. an installation part; 111. mounting grooves; 112. a groove; 113. a communicating hole; 12. a guide bar; 13. an anti-blocking spring; 2. a nozzle; 3. a closure; 31. a containment vessel; 32. mounting a plate; 33. mounting a column; 4. an anti-clogging component; 41. an anti-blocking plate; 411. a connecting portion; 412. a plugging section; 413. positioning a groove; 42. an adjustment member; 421. an adjusting block; 4211. connecting grooves; 4212. a strip-shaped hole; 422. an abutment spring; 5. a connecting member; 51. connecting columns; 52. a positioning spring; 53. a deflector rod; 6. and (4) a baffle ring.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses a grouting pipe for construction of a jet grouting pile composite foundation, wherein the grouting pipe 1 is arranged on a drilling machine and is connected with high-pressure grouting equipment, and the other end of the grouting pipe 1 is inserted into a guide hole of the foundation; referring to fig. 1 and 2, the end of the grouting pipe 1 inserted into the guiding hole is integrally provided with a mounting part 11, nozzles 2 are mounted on two opposite sides of the mounting part 11, and the end of the mounting part 11 is provided with a closing part 3 for closing the end opening of the grouting pipe 1; the installation part 11 is provided with an anti-blocking assembly 4 for protecting the nozzle 2.
Referring to fig. 2 and 3, the mounting portion 11 is provided with a mounting groove 111 for mounting the nozzle 2; the anti-blocking component 4 is used for sealing an opening of the mounting groove 111 facing the outer side of the grouting pipe 1, the anti-blocking component 4 comprises an anti-blocking plate 41 connected to the mounting part 11 in a sliding manner and an adjusting piece 42 arranged in the mounting part 11 and used for driving the anti-blocking plate 41 to slide, and the anti-blocking plate 41 slides to open and close the opening of the mounting groove 111; the installation part 11 is provided with a groove 112 at a position corresponding to the anti-blocking plate 41, the anti-blocking plate 41 comprises a connecting part 411 and a blocking part 412, the connecting part 411 is positioned in the groove 112, the side wall of the groove 112 is provided with a communication hole 113, and the blocking part 412 penetrates into the installation groove 111 from the communication hole 113.
Referring to fig. 2 and 3, two guide rods 12 are fixed in the groove 112, the length direction of the guide rods 12 is the same as that of the grouting pipe 1, and the guide rods 12 penetrate through the connecting part 411 and are connected in a sliding manner; an anti-blocking spring 13 is sleeved on the guide rod 12, the anti-blocking spring 13 is positioned on one side of the connecting part 411 far away from the nozzle 2, one end of the anti-blocking spring 13 is fixedly connected with the connecting part 411, and the other end of the anti-blocking spring 13 is fixedly connected with the side wall of the groove 112; under the natural state, shutoff portion 412 seals the opening of mounting groove 111, inserts slip casting pipe 1 in the in-process of leading the hole, plays better guard action to nozzle 2, reduces the phenomenon that nozzle 2 is blockked up for the process of follow-up whitewashing is comparatively smooth and easy.
Referring to fig. 2 and 3, the adjusting member 42 is disposed in the mounting portion 11, and includes an adjusting block 421 slidably connected to the mounting portion 11 and an elastic member disposed between the adjusting member 42 and the closing member 3, the anti-blocking plate 41 is connected to the adjusting block 421, in a natural state, the anti-blocking plate 41 seals an opening of the mounting groove 111, after high-pressure slurry is injected into the grouting pipe 1, the elastic member is compressed, and the adjusting block 421 drives the anti-blocking plate 41 to slide, so that the opening of the mounting groove 111 is in an open state, and the slurry is sprayed out; specifically, referring to fig. 2 and 4, the closing member 3 includes a closing shell 31 screwed to the end of the mounting portion 11, and the closing shell 31 is contracted toward the middle toward the end far away from the slurry pipe to form a tip structure; a mounting plate 32 is rotatably connected in the closed shell 31, a plurality of mounting columns 33 are fixed on the mounting plate 32, a connecting groove 4211 for the mounting columns 33 to be inserted is formed in the adjusting block 421, and the mounting columns 33 are slidably connected with the adjusting block 421; the elastic member is an abutting spring 422, the abutting springs 422 are multiple, and the abutting springs 422 are respectively sleeved on the mounting column 33.
Referring to fig. 4 and 5, the adjusting block 421 is provided with a connecting piece 5 for connecting the anti-blocking plate 41, when mounting, the adjusting block 421 is inserted into the mounting portion 11 from the opening at the end of the mounting portion 11, and the anti-blocking plate 41 and the adjusting block 421 are fixed by the connecting piece 5; install adjusting block 421 to installation department 11 in the back, screw up at installation department 11 tip with closed shell 31, when installing closed shell 31, in spliced pole 51 inserts the spread groove 4211 that corresponds, can accomplish the installation, the operation of installation is comparatively convenient, after accomplishing the slip casting, can be comparatively convenient dismantle adjusting block 421, clear up adjusting block 421, reduce the thick liquid and solidify on adjusting block 421, it is comparatively convenient to carry out the operation of clearing up adjusting block 421.
Meanwhile, in order to reduce the phenomenon that the slurry enters the groove 112 and is adhered to the anti-blocking plate 41, referring to fig. 3, the thickness of the position, connected with the anti-blocking plate 41, of the adjusting block 421 towards one side of the nozzle 2 is larger than the size of the groove 112 in the length direction of the grouting pipe 1, namely, in the sliding process of the adjusting block 421, the opening of the groove 112 is always sealed by the adjusting block 421, the phenomenon that the slurry flows into the groove 112 can be reduced, the cleanness inside the groove 112 is maintained, the condition that the slurry needs to be cleaned is reduced, and the use convenience is improved.
Referring to fig. 4 and 5, there are two connecting pieces 5, the two connecting pieces 5 are respectively arranged on the adjusting block 421 at positions corresponding to the two anti-blocking plates 41, each connecting piece 5 includes a connecting column 51 slidably connected in the adjusting block 421, a positioning spring 52 arranged between the adjusting block 421 and the connecting column 51, and a shift lever 53 fixed on the connecting column 51, and the anti-blocking plate 41 is provided with a positioning groove 413 for the connecting column 51 to be inserted; the shifting lever 53 penetrates out of the adjusting block 421, and a strip-shaped hole 4212 for the shifting lever 53 to slide is formed in the adjusting block 421; the positioning spring 52 is positioned on one side of the connecting column 51 facing the middle part of the adjusting block 421; the portion of the connecting post 51 outside the adjusting block 421 is provided as a slope toward the side of the slurry introducing pipe 1.
When the adjusting block 421 is installed in the installation part 11, the adjusting block 421 is directly inserted into the installation part 11, in the insertion process, the inclined surface at the end part of the connecting column 51 is abutted to the anti-blocking plate 41 to drive the connecting column 51 to slide into the adjusting block 421, after the adjusting block 421 slides to the position where the connecting column 51 is aligned with the positioning groove 413, the connecting column 51 is inserted into the positioning groove 413 under the action of the positioning spring 52 to fix the anti-blocking plate 41 and the adjusting block 421, the operation is convenient, the positioning spring 52 applies elastic force to the connecting column 51 towards the direction of the anti-blocking plate 41, the phenomenon that the connecting column 51 slides out of the positioning groove 413 is not easy to occur, and the fixing stability of the anti-blocking plate 41 is improved; when the adjusting block 421 needs to be separated from the anti-blocking plate 41, the connecting rod 51 can be conveniently slid out of the positioning groove 413 through the shift lever 53, and the operation is simple and convenient.
In the grouting process, a slurry bleeding phenomenon easily occurs, namely, slurry sprayed by a grouting pipe 1 overflows from a gap between the grouting pipe 1 and the side wall of a guide hole, so that raw materials are wasted, and simultaneously, the grouting pressure is reduced, the phenomenon that the grouting pressure is reduced is more obvious in the process that the grouting gradually approaches the ground, so that the size and the quality of a formed rotary jet grouting pile are influenced, and in order to reduce the influence of the slurry bleeding on the construction process of the rotary jet grouting pile, referring to fig. 1, a baffle ring 6 is fixedly connected to the grouting pipe 1, the baffle ring 6 is positioned on one side of a nozzle 2, which is far away from a sealing part 3, and the peripheral surface of the baffle ring 6 is attached to the side wall of a drilled hole; during the grouting process, the dissipation of grouting pressure can be reduced, and the influence of the slurry overflow phenomenon on the size and quality of the formed rotary jet grouting pile can be reduced.
The implementation principle of the grouting pipe for the construction of the jet grouting pile composite foundation is as follows: the opening of the mounting groove 111 is sealed through the arranged anti-blocking plate 41, so that the nozzle 2 is well protected, the phenomenon of blocking the nozzle 2 can be reduced in the process of inserting the grouting pipe 1 into the guide hole, and the influence on the normal construction process is reduced; when carrying out the whitewashing, along with the injection of high pressure thick liquid, to regulating block 421 pressure that produces for regulating block 421 drives prevents that closure plate 41 slides, makes mounting groove 111 opening be in open state, can carry out normal slip casting process, stops the back at the slip casting, and regulating block 421 drives under the effect of butt spring 422 and prevents that closure plate 41 slides, seals the opening of mounting groove 111, has promoted the convenience of using.
By the aid of the arranged closing piece 3, the adjusting block 421 can be detached conveniently, the adjusting block 421 is cleaned to reduce the phenomenon that slurry is solidified on the adjusting block 421, the adjusting block 421 is cleaned conveniently, and influence on the sliding process of the adjusting block 421 is reduced; in addition, set up connecting piece 5 and fix stifled board 41 and regulating block 421, when installing regulating block 421, can be comparatively convenient fix stifled board 41 and regulating block 421, easy and simple to handle, and exert the elasticity towards stifled board 41 direction through positioning spring 52 to the connecting rod, promote spliced pole 51 to stifled fixed steadiness of board 41 and regulating block 421.
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. The utility model provides a compound foundation construction of jet grouting pile is with slip casting pipe which characterized in that: the grouting pipe (1) is arranged on the drilling machine and is connected with high-pressure grouting equipment; an installation part (11) is integrally formed at one end of the grouting pipe (1) facing the inside of the foundation, nozzles (2) are installed on two sides of the installation part (11), installation grooves (111) are formed in two sides of the installation part (11), and the nozzles (2) are located in the installation grooves (111); the installation part (11) is provided with an anti-blocking component (4) for sealing the opening of the installation groove (111); the anti-blocking component (4) comprises an anti-blocking plate (41) which is connected to the installation part (11) in a sliding mode and an adjusting piece (42) which is arranged in the installation part (11) and used for driving the anti-blocking plate (41) to slide.
2. The grouting pipe for construction of the jet grouting pile composite foundation according to claim 1, characterized in that: prevent that jam board (41) are located nozzle (2) one side towards the ground tip, offer recess (112) that are used for installing anti-jam board (41) on installation department (11), anti-jam board (41) are L shape, prevent that jam board (41) are including being located recess (112) connecting portion (411) and the shutoff portion (412) of rigid coupling on connecting portion (411) with installation department (11) sliding connection, set up intercommunicating pore (113) with mounting groove (111) intercommunication on recess (112) lateral wall, shutoff portion (412) are followed intercommunicating pore (113) and are penetrated through to the opening of mounting groove (111) and are sealed in mounting groove (111).
3. The grouting pipe for construction of the jet grouting pile composite foundation according to claim 2, characterized in that: a plurality of guide rods (12) are fixedly connected in the groove (112), the length direction of each guide rod (12) is the same as that of the grouting pipe (1), and the guide rods (12) are connected with the connecting part (411) in a sliding manner; an anti-blocking spring (13) is sleeved on the guide rod (12), and the anti-blocking spring (13) is positioned on one side, far away from the nozzle (2), of the connecting part (411).
4. The grouting pipe for construction of the jet grouting pile composite foundation according to claim 3, characterized in that: the adjusting piece (42) comprises an adjusting block (421) connected in the mounting part (11) in a sliding manner and an abutting spring (422) arranged between the mounting part (11) and the adjusting block (421), and the abutting spring (422) exerts elastic force towards the upper side of the foundation on the adjusting block (421); the connecting part (411) is connected to the adjusting block (421).
5. The grouting pipe for construction of the jet grouting pile composite foundation according to claim 4, characterized in that: the end part of the grouting pipe (1) is provided with a closing part (3), the closing part (3) comprises a closing shell (31) in threaded connection with the end part of the mounting part (11), and one end, far away from the mounting part (11), of the closing shell (31) shrinks towards the middle part to form a tip; the rotary connection has mounting panel (32) in closed shell (31), and the rigid coupling has many erection columns (33) on mounting panel (32), offers on regulating block (421) to supply erection column (33) male spread groove (4211), and butt spring (422) cover is established on erection column (33).
6. The grouting pipe for construction of the jet grouting pile composite foundation according to claim 4, characterized in that: the anti-blocking device is characterized in that a connecting piece (5) used for being connected with the anti-blocking plate (41) is arranged on the adjusting block (421), the connecting piece (5) comprises a connecting column (51) connected in the adjusting block (421) in a sliding mode, a positioning spring (52) arranged between the adjusting block (421) and the connecting column (51) and a shifting rod (53) fixed on the connecting column (51), the shifting rod (53) penetrates out of the lower side of the adjusting block (421), and a strip-shaped hole (4212) for the shifting rod (53) to slide is formed in the adjusting block (421); the anti-blocking plate (41) is provided with a positioning groove (413) for inserting the connecting column (51), and one side of the end part of the connecting column (51) facing the nozzle (2) is provided with a slope.
7. The grouting pipe for construction of the jet grouting pile composite foundation according to claim 4, characterized in that: the thickness of the connecting position of the adjusting block (421) and the anti-blocking plate (41) towards one side of the nozzle (2) is larger than the size of the groove (112) in the length direction of the grouting pipe (1).
8. The grouting pipe for construction of the jet grouting pile composite foundation according to claim 1, characterized in that: a blocking ring (6) is fixedly connected to the grouting pipe (1), the blocking ring (6) is located on one side, facing the upper side of the foundation, of the nozzle (2) on the grouting pipe (1), and the peripheral face of the blocking ring (6) is attached to the side wall of the drilled hole.
CN202120187916.8U 2021-01-23 2021-01-23 Grouting pipe for construction of rotary jet pile composite foundation Active CN214783856U (en)

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Application Number Priority Date Filing Date Title
CN202120187916.8U CN214783856U (en) 2021-01-23 2021-01-23 Grouting pipe for construction of rotary jet pile composite foundation

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Application Number Priority Date Filing Date Title
CN202120187916.8U CN214783856U (en) 2021-01-23 2021-01-23 Grouting pipe for construction of rotary jet pile composite foundation

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Publication Number Publication Date
CN214783856U true CN214783856U (en) 2021-11-19

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114086547A (en) * 2021-12-19 2022-02-25 江苏省无锡探矿机械总厂有限公司 Rotary mechanism of high pressure jet grouting
CN114960636A (en) * 2022-05-17 2022-08-30 国网江苏省电力有限公司连云港供电分公司 Two-stage turning stirring pressure grouting screw pile and pile forming process
CN115874601A (en) * 2022-11-10 2023-03-31 中化学土木工程有限公司 Efficient anti-solidification grouting device and grouting method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114086547A (en) * 2021-12-19 2022-02-25 江苏省无锡探矿机械总厂有限公司 Rotary mechanism of high pressure jet grouting
CN114086547B (en) * 2021-12-19 2024-05-03 江苏省无锡探矿机械总厂有限公司 High-pressure rotary spraying rotating mechanism
CN114960636A (en) * 2022-05-17 2022-08-30 国网江苏省电力有限公司连云港供电分公司 Two-stage turning stirring pressure grouting screw pile and pile forming process
CN115874601A (en) * 2022-11-10 2023-03-31 中化学土木工程有限公司 Efficient anti-solidification grouting device and grouting method
CN115874601B (en) * 2022-11-10 2023-11-10 中化学土木工程有限公司 High-efficiency solidification-preventing grouting device and grouting method

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