CN217681734U - Quick-mixing grouting device for shield machine - Google Patents
Quick-mixing grouting device for shield machine Download PDFInfo
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- CN217681734U CN217681734U CN202123223686.5U CN202123223686U CN217681734U CN 217681734 U CN217681734 U CN 217681734U CN 202123223686 U CN202123223686 U CN 202123223686U CN 217681734 U CN217681734 U CN 217681734U
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Abstract
The utility model discloses a quick-mixing grouting device for a shield machine, comprising a grouting pipeline I, a grouting pipeline II and a mixer, wherein the mixer comprises a feeding pipe and a mixing pipe, one end of the feeding pipe is provided with a gradual-change pipe with a small caliber end extending into the feeding pipe, the large caliber end of the gradual-change pipe is communicated with the grouting pipeline I, the other end of the feeding pipe is in flange connection with one end of the mixing pipe, the other end of the mixing pipe is provided with a grouting head, a ring groove is arranged around the body of the feeding pipe, the grouting pipeline II is communicated with the bottom of the ring groove, and a plurality of liquid inlet holes are arranged on the body of the feeding pipe in the ring groove; and a mixing head is arranged at one end of the mixing pipe, which is connected with the flange of the feeding pipe. The utility model discloses can carry out the intensive mixing to the thick liquid of different components, be favorable to the crack filling work among the tunnel construction process, strengthen the intensity of shield structure.
Description
Technical Field
The utility model relates to a shield constructs quick mix's slip casting device for machine belongs to the slip casting device field.
Background
In the tunnel construction process, the shield method is widely applied, water leakage on the surface of a lining behind the lining is a main defect of the tunnel, particularly when the tunnel passes through a water-rich quicksand layer or passes through geological strata which are particularly rich in underground water and high in water seepage pressure, the self-waterproof effect of the lining structure is not ideal, finally, cracks are always generated at construction joints or relatively weak positions to seep water, and the service quality and the service life of the tunnel are influenced. The existing water stopping technology of the tunnel mainly adopts a wall-postgrouting water stopping method, wherein the wall-postgrouting water stopping method is characterized in that after shield segments are assembled, a gap exists between the outside of the segments and a soil body, and the gap needs to be filled by wall-postgrouting, so that the segments and the soil body are prevented from settling; but in the grout device that has now only passed through different pipeline pumps with the thick liquid of different components to the slip casting pipe, the thick liquid mixed effect is poor, influences the slip casting effect.
Disclosure of Invention
For solving prior art's not enough, the utility model provides a quick mix's slip casting device for shield constructs machine can carry out the intensive mixing to the thick liquid of different components, is favorable to the crack filling work among the tunnel construction process, has strengthened the intensity that the shield constructs the structure.
The utility model discloses the technical scheme who adopts does:
a quick-mixing grouting device for a shield tunneling machine comprises a grouting pipeline I, a grouting pipeline II and a mixer, wherein the mixer comprises a feeding pipe and a mixing pipe, one end of the feeding pipe is provided with a gradual-change pipe, a small-caliber end of the gradual-change pipe extends into the feeding pipe, a large-caliber end of the gradual-change pipe is communicated with the grouting pipeline I, the other end of the feeding pipe is connected with one end of the mixing pipe through a flange, the other end of the mixing pipe is provided with a grouting head, an annular groove is formed in the body of the feeding pipe in a surrounding mode, the grouting pipeline II is communicated with the bottom of the annular groove, and a plurality of liquid inlet holes are formed in the body of the feeding pipe in the annular groove; be provided with the mixing head in the one end of hybrid tube and inlet pipe flange joint, the mixing head includes the reposition of redundant personnel piece and the water conservancy diversion piece of setting at the reposition of redundant personnel piece wide-bore end of the round platform shape structure that the small-bore end set up towards the inlet pipe, and the wide-bore end diameter of reposition of redundant personnel piece is less than the internal diameter of hybrid tube, and the fixed setting of reposition of redundant personnel piece is provided with a plurality of arc guiding gutter in the hybrid tube and around the reposition of redundant personnel piece.
Preferably, a helical fin is further provided in the mixing tube between the mixing head and the grouting head.
Further preferably, flow control valves are arranged on the first grouting pipeline and the second grouting pipeline.
Further preferably, a sealing gasket is arranged at the flange joint of the feeding pipe and the mixing pipe.
Further preferably, a nipple is arranged in the annular groove, and the second grouting pipeline is connected with a nipple flange.
Further preferably, the first grouting pipeline is also in flange connection with the gradual change pipe.
The beneficial effects of the utility model reside in that:
the grout of different components is sent to the feed pipe and is mixed earlier, makes the grout of different components obtain further intensive mixing under the effect of reposition of redundant personnel piece, water conservancy diversion piece and flight again, has improved the mixed effect, is favorable to the crack filling work in the tunnel construction process, has strengthened the intensity of shield structure.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a front view of a flow guide block;
fig. 3 is a left side view of the flow guide block;
fig. 4 is a right side view of the guide block;
the main reference numerals in the figures have the following meanings:
1. the grouting device comprises a first grouting pipeline, a second grouting pipeline, a third grouting pipeline, a mixer 31, a feeding pipe, a mixing pipe, a gradual change pipe 34, a grouting head 35, an annular groove 36, a flow dividing block 37, a flow guiding block 38, a spiral sheet 39, a sealing gasket 310, a short connecting pipe 311, an arc-shaped flow guiding groove 4 and a flow control valve.
Detailed Description
The present invention will be specifically described with reference to the accompanying drawings and examples.
As shown in fig. 1-4: the embodiment is a quick-mixing grouting device for a shield machine, which comprises a grouting pipeline I1, a grouting pipeline II 2 and a mixer 3, wherein the mixer 3 comprises a feeding pipe 31 and a mixing pipe 32, one end of the feeding pipe 31 is provided with a gradual change pipe 33 with a small caliber end extending into the feeding pipe 31, a large caliber end of the gradual change pipe 33 is communicated with the grouting pipeline I1, the other end of the feeding pipe 31 is connected with one end of the mixing pipe 32 by a flange, the other end of the mixing pipe 32 is provided with a grouting head 34, an annular groove 35 is formed in the body of the feeding pipe 31 in a surrounding manner, the grouting pipeline II 2 is communicated with the bottom of the annular groove 35, and a plurality of liquid inlet holes are formed in the body of the feeding pipe 31 positioned in the annular groove 35; be provided with the mixing head in the one end of hybrid tube 32 with inlet pipe 31 flange joint, the mixing head includes that the small-bore end is towards the reposition of redundant personnel piece 36 of the round platform shape structure of inlet pipe 31 setting and sets up the water conservancy diversion piece 37 at the big bore end of reposition of redundant personnel piece 36, and the big bore end diameter of reposition of redundant personnel piece 36 is less than the internal diameter of hybrid tube 32, and reposition of redundant personnel piece 36 is fixed to be set up in hybrid tube 32 and is provided with a plurality of arc guiding gutter 311 around reposition of redundant personnel piece 36.
A flight 38 is also provided within the mixing tube 32 between the mixing head and the grouting head 34.
And flow control valves 4 are arranged on the grouting pipeline I1 and the grouting pipeline II 2.
A gasket 39 is provided at the flange joint of the feed pipe 31 and the mixing pipe 32.
A nipple 310 is arranged in the annular groove 35, and the second grouting pipe 2 is flange-connected with the nipple 310.
The grouting pipeline I1 and the transition pipe 33 are also in flange connection.
In practical application, a kind of thick liquid passes through grouting pipeline one 1, gradual change pipe 33 gets into in the inlet pipe 31, mix with the second kind thick liquid that gets into in the inlet pipe 31 through grouting pipeline two 2, ring channel 35, then mix the thick liquid and get into in the mixture pipe 32 through a plurality of arc guiding gutter 311 that encircles setting on guiding block 37 under the effect of reposition of redundant personnel piece 36, thick liquid pressure makes the thick liquid that gets into through arc guiding gutter 311 can more abundant mix, and further improvement mixing effect under the effect of flight 38, thick liquid after the intensive mixing accomplishes synchronous slip casting through the blowout of slip casting head 34.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides a shield constructs quick mixture's slip casting device which characterized in that: the grouting device comprises a grouting pipeline I (1), a grouting pipeline II (2) and a mixer (3), wherein the mixer (3) comprises a feeding pipe (31) and a mixing pipe (32), one end of the feeding pipe (31) is provided with a gradual change pipe (33) with a small caliber end extending into the feeding pipe (31), the large caliber end of the gradual change pipe (33) is communicated with the grouting pipeline I (1), the other end of the feeding pipe (31) is connected with one end of the mixing pipe (32) through a flange, the other end of the mixing pipe (32) is provided with a grouting head (34), an annular groove (35) is arranged on the pipe body of the feeding pipe (31) in a surrounding manner, the grouting pipeline II (2) is communicated with the bottom of the annular groove (35), and a plurality of liquid inlet holes are formed in the pipe body of the feeding pipe (31) positioned in the annular groove (35); be provided with the mixing head in hybrid tube (32) and inlet pipe (31) flange joint's one end, the mixing head includes that small-bore end divides stream block (36) and the water conservancy diversion piece (37) of setting at dividing stream block (36) big-bore end towards round platform shape structure that inlet pipe (31) set up, the big-bore end diameter of dividing stream block (36) is less than the internal diameter of hybrid tube (32), divide stream block (36) fixed setting in hybrid tube (32) and encircle and divide stream block (36) and be provided with a plurality of arc guiding gutter (311).
2. The rapid mixing grouting device for a shield tunneling machine according to claim 1, characterized in that a spiral plate (38) is further provided in the mixing pipe (32) between the mixing head and the grouting head (34).
3. The fast-mixing grouting device for the shield tunneling machine according to claim 1, characterized in that flow control valves (4) are arranged on the first grouting pipeline (1) and the second grouting pipeline (2).
4. The rapid mixing grouting device for the shield tunneling machine according to claim 1, characterized in that a gasket (39) is arranged at the flange joint of the feeding pipe (31) and the mixing pipe (32).
5. The fast-mixing grouting device for the shield tunneling machine according to claim 1, characterized in that a nipple (310) is arranged in the annular groove (35), and the second grouting pipeline (2) is flange-connected with the nipple (310).
6. The rapid mixing grouting device for the shield tunneling machine according to claim 1, characterized in that the grouting pipeline I (1) and the transition pipe (33) are also flange-connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123223686.5U CN217681734U (en) | 2021-12-21 | 2021-12-21 | Quick-mixing grouting device for shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123223686.5U CN217681734U (en) | 2021-12-21 | 2021-12-21 | Quick-mixing grouting device for shield machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217681734U true CN217681734U (en) | 2022-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123223686.5U Active CN217681734U (en) | 2021-12-21 | 2021-12-21 | Quick-mixing grouting device for shield machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217681734U (en) |
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2021
- 2021-12-21 CN CN202123223686.5U patent/CN217681734U/en active Active
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