CN221074273U - Karst high-pressure-bearing water area shield secondary grouting device - Google Patents
Karst high-pressure-bearing water area shield secondary grouting device Download PDFInfo
- Publication number
- CN221074273U CN221074273U CN202323050273.0U CN202323050273U CN221074273U CN 221074273 U CN221074273 U CN 221074273U CN 202323050273 U CN202323050273 U CN 202323050273U CN 221074273 U CN221074273 U CN 221074273U
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- Prior art keywords
- grouting
- pipe
- shield
- water area
- duct piece
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 238000007789 sealing Methods 0.000 claims abstract description 20
- 238000007569 slipcasting Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model discloses a shield secondary grouting device for a karst high-pressure-bearing water area, which comprises a duct piece body, a duct piece outer side wall and a duct piece inner side wall, wherein the duct piece inner side wall and the duct piece outer side wall are integrally formed at the inner surface and the outer surface of the duct piece body, and the shield secondary grouting device further comprises an embedded straight pipe, a check valve, a spiral pipe, a grouting pipe, an adapter, a grouting pump, a drain valve, a grouting sealing plug, a rivet bolt and a water stop rubber block.
Description
Technical Field
The utility model relates to the technical field of shield grouting, in particular to a shield secondary grouting device for karst high-pressure-bearing water areas.
Background
Along with development and utilization of underground engineering, application of the shield in tunnel excavation is continuously developed, and in the process of shield tunneling, secondary grouting is used as an extremely important step, and grouting effect is indistinguishable from the whole safety density of the tunnel.
Along with the continuous tunneling of a shield, timely grouting is needed for pipe pieces, especially in karst high-pressure-bearing water areas, water leakage, gushing and other accidents can be generated if improper treatment is carried out, even collapse is likely to happen, construction cost and risks are increased, in the conventional secondary grouting process, as the grouting pipe does not consider gushing prevention measures after grouting holes are formed, the risks of water leakage, water gushing and the like are easily generated in the grouting process or in the later operation stage, and therefore, the secondary grouting device for the shield in the karst high-pressure-bearing water areas is provided.
Disclosure of utility model
The utility model mainly aims to provide a shield secondary grouting device for karst high-pressure-bearing water areas, which solves the problem that secondary grouting operation is complex and grouting quality is difficult to ensure through reasonable design, simplifies grouting process through application of a grouting system and a drainage system, has better plugging effect on water leakage, ensures grouting effect, reduces construction risk, has important significance in reducing resource consumption, saving cost and improving engineering economic benefit.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
The utility model provides a karst high pressure bearing water area shield constructs secondary grouting device, includes section of jurisdiction body, section of jurisdiction lateral wall and section of jurisdiction inside wall, the inside and outside face department integrated into one piece of section of jurisdiction body has section of jurisdiction inside wall and section of jurisdiction lateral wall, still includes pre-buried straight tube, check valve, spiral pipe, slip casting pipe, crossover sub, slip casting pump, drain valve, slip casting sealing plug, rivet bolt and stagnant water rubber piece, the section of jurisdiction lateral wall surface has seted up the slip casting trompil in to the section of jurisdiction body, and has beaten into the rivet bolt in the slip casting trompil; the grouting pipe is communicated with a grouting channel through a conversion joint, a grouting opening of the grouting channel is communicated with a grouting outlet of the grouting pump, a grouting switch for opening self grouting is arranged at a pump body of the grouting pump, a drainage channel is vertically communicated with the grouting pipe between the conversion joint and the spiral pipe, a drainage valve is arranged at a lower opening of the drainage channel, and the drainage switch is arranged at a valve body of the drainage valve.
Further, the embedded straight pipe, the spiral pipe and the grouting opening are coaxially arranged and communicated; the grouting can be smoothly performed through the slurry after the embedded straight pipe, the spiral pipe and the grouting opening are communicated.
Further, the inner diameter of the grouting open hole is smaller than the inner diameter of the embedded straight pipe.
Further, the adapter is screwed at the outer joint of the pipeline of the grouting pipe extending out of the pipe piece body, and the cavity of the adapter is communicated with the grouting outlet of the grouting channel; the grouting pipe can be communicated with the grouting channel through the adapter after extending out of the pipe piece body.
Further, fastening threads are arranged at the inner pipe wall of the spiral pipe; the fastening screw thread in the spiral tube can be screwed with the check valve, the spiral tube and the grouting sealing plug.
Further, a water stop rubber block is pressed between the rivet bolt and the outer side wall of the duct piece,
Further, a pressing block is integrally formed at the bolt body of the rivet bolt, and presses the water stop rubber block to squeeze into the grouting open hole; the rivet bolt can press the water stop rubber block to seal the grouting opening by means of the pressing block of the rivet bolt.
Compared with the prior art, the utility model has the following beneficial effects:
The shield secondary grouting device for the high-pressure-bearing hydraulic rock area solves the problem that the secondary grouting operation is complex and the grouting quality is difficult to ensure through reasonable design, simplifies the grouting process through the application of a grouting system and a drainage system, has better plugging effect on leakage water, ensures the grouting effect, reduces the construction risk, and has important significance in reducing the resource consumption, saving the cost and improving the engineering economic benefit.
Drawings
FIG. 1 is a schematic diagram of a one-stage grouting state structure of a shield secondary grouting device in a karst high-pressure water area.
Fig. 2 is a schematic diagram of a two-stage blocking state structure of a shield secondary grouting device in a karst high-pressure water area.
In the figure: 1. a segment body; 2. the outer side wall of the duct piece; 3. the inner side wall of the duct piece; 4. grouting and perforating; 5. embedding a straight pipe; 6. a check valve; 7. a spiral tube; 701. fastening threads; 8. grouting pipe; 9. a conversion joint; 10. grouting channels; 11. a grouting pump; 12. a grouting switch; 13. a drainage channel; 14. a drain valve; 15. a drain switch; 16. grouting a sealing plug; 17. a rivet bolt; 18. and a water stop rubber block.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
1-2, The shield secondary grouting device for the karst high-pressure water area comprises a duct piece body 1, wherein a duct piece inner side wall 3 and a duct piece outer side wall 2 are integrally formed at the inner surface and the outer surface of the duct piece body 1, and the shield secondary grouting device further comprises an embedded straight pipe 5, a check valve 6, a spiral pipe 7, a grouting pipe 8, an adapter 9, a grouting pump 11, a drain valve 14, a grouting sealing plug 16, a rivet bolt 17 and a water stop rubber block 18; a grouting opening 4 is formed in the surface of the duct piece outer side wall 2 towards the duct piece body 1, a rivet bolt 17 is driven into the grouting opening 4, and a water stop rubber block 18 is pressed between the rivet bolt 17 and the duct piece outer side wall 2; the grouting opening 4 is sequentially provided with an embedded straight pipe 5 and a spiral pipe 7 from the pipe piece body 1 towards the inner side wall 3 of the pipe piece, the spiral pipe 7 is screwed with a check valve 6 extending into the embedded straight pipe 5, and an outer pipe opening of the spiral pipe 7 far away from the check valve 6 is respectively screwed with a grouting pipe 8 and a grouting sealing plug 16 in the one-stage grouting and two-stage plugging states of the pipe piece body 1; the grouting pipe 8 is communicated with the grouting channel 10 through the adapter 9, and a grouting inlet of the grouting channel 10 is connected and communicated with a grouting outlet of the grouting pump 11; a grouting switch 12 for starting self grouting is arranged at the pump body of the grouting pump 11; the vertical intercommunication of slip casting pipe 8 department between adapter 9 and spiral pipe 7 is connected with drainage channel 13, and the lower mouth department that the drainage channel 13 kept away from slip casting pipe 8 installs drain valve 14, drain switch 15 is installed to the valve body department of drain valve 14.
Wherein the embedded straight pipe 5, the spiral pipe 7 and the grouting opening 4 are coaxially arranged and communicated; the embedded straight pipe 5, the spiral pipe 7 and the grouting opening 4 can be in smooth grouting through slurry after being communicated. The inner diameter of the grouting opening 4 is smaller than that of the embedded straight pipe 5, so that the grouting pipe 8 can be prevented from being gushed.
The adapter 9 is screwed at the outer joint of the pipeline of the grouting pipe 8 extending out of the pipe piece body 1, and the cavity of the adapter 9 is communicated with the grouting outlet of the grouting channel 10; the grouting pipe 8 can be communicated with the grouting channel 10 through the adapter 9 after extending out of the pipe piece body 1.
Wherein, the inner pipe wall of the spiral pipe 7 is provided with fastening threads 701; the fastening thread 701 in the spiral tube 7 can be screwed to the non-return valve 6, the spiral tube 7 and the grouting sealing plug 16.
Wherein, a pressing block is integrally formed at the bolt body of the rivet bolt 17, and presses the water stop rubber block 18 to squeeze into the grouting open hole 4; the rivet bolt 17 can press the water stop rubber block 18 by means of the own pressing block to press and seal the grouting hole 4.
It should be noted that, in the shield secondary grouting device for the karst high-pressure bearing water area, in the first stage, in the shield secondary grouting process, there is (a grouting channel 10, a grouting switch 12, a grouting valve 11 and a changeover joint 9) as a grouting system, and (a drainage channel 13, a drainage switch 15 and a drainage valve 14) as a drainage system, and (a spiral pipe 7, an embedded straight pipe 5 and a grouting opening 4) as a grouting system to form three major parts of the grouting device, when one-stage grouting is carried out at the duct piece body 1, the grouting pipe 8 can be screwed into the spiral pipe 7, then the grouting pipe 8 is matched with the grouting channel 10 by virtue of the changeover joint 9, then the grouting pump 11 can be installed at the drainage channel 13 below the grouting pipe 8, the grouting pump 11 can be controlled by virtue of the grouting switch 12, grouting in the area outside the pipe piece outer side wall 2 is realized by virtue of the grouting channel 10, the drainage switch 15 is controlled by virtue of the drainage valve 14 to control the drainage channel 7 to drain the drainage hole, the sealing hole of the spiral pipe 7 is realized by virtue of the sealing plug 15, the sealing hole of the spiral pipe 7 is realized by virtue of the sealing plug 17, and the sealing hole of the sealing plug 17 is completed after the sealing hole of the spiral pipe is carried out by the sealing hole, and the sealing hole of the sealing hole is completed by virtue of the sealing hole 17.
The utility model relates to a shield secondary grouting device for karst high-pressure water areas, wherein the components are all known by the skilled person, and the structure and principle of the device are known by the skilled person through technical manuals or through routine experimental methods.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a karst high pressure-bearing water area shield constructs secondary grouting device, includes section of jurisdiction body (1), section of jurisdiction lateral wall (2) and section of jurisdiction inside wall (3), the inside and outside face department integrated into one piece of section of jurisdiction body (1) has section of jurisdiction inside wall (3) and section of jurisdiction lateral wall (2), its characterized in that: the grouting device further comprises an embedded straight pipe (5), a check valve (6), a spiral pipe (7), a grouting pipe (8), an adapter (9), a grouting pump (11), a drain valve (14), a grouting sealing plug (16) and a rivet bolt (17);
Grouting holes (4) are formed in the surface of the outer side wall (2) of the duct piece towards the inner side wall (3) of the duct piece, rivet bolts (17) are driven into the grouting holes (4), embedded straight pipes (5) and spiral pipes (7) are sequentially embedded in the grouting holes (4) from the duct piece body (1) towards the inner side wall (3) of the duct piece, and check valves (6) extending into the embedded straight pipes (5) are screwed on the spiral pipes (7);
In the grouting stage: the grouting device is characterized in that the outer pipe opening of the spiral pipe (7) far away from the check valve (6) is connected with the grouting pipe (8) in a screwed mode, the grouting pipe (8) is communicated with the grouting channel (10) through the adapter (9), a grouting inlet of the grouting channel (10) is connected with a grouting outlet of the grouting pump (11), a grouting switch (12) for opening self grouting is arranged at a pump body of the grouting pump (11), a drainage channel (13) is vertically communicated at the grouting pipe (8) between the adapter (9) and the spiral pipe (7), a drainage valve (14) is arranged at a lower opening of the drainage channel (13) far away from the grouting pipe (8), and a drainage switch (15) is arranged at a valve body of the drainage valve (14);
In the plugging stage: the spiral pipe (7) is far away from the outer pipe opening of the check valve (6) and is screwed with the grouting sealing plug (16).
2. The secondary grouting device for the shield in the karst high-pressure water area, according to claim 1, is characterized in that: the embedded straight pipe (5), the spiral pipe (7) and the grouting opening (4) are coaxially arranged and communicated.
3. The secondary grouting device for the shield in the karst high-pressure water area, according to claim 1, is characterized in that: the inner diameter of the grouting open hole (4) is smaller than the inner diameter of the embedded straight pipe (5).
4. The secondary grouting device for the shield in the karst high-pressure water area, according to claim 1, is characterized in that: the adapter (9) is screwed at the outer joint of the pipeline of the grouting pipe (8) extending out of the pipe piece body (1), and the cavity of the adapter (9) is communicated with the grouting outlet of the grouting channel (10).
5. The secondary grouting device for the shield in the karst high-pressure water area, according to claim 1, is characterized in that: a fastening thread (701) is arranged at the inner pipe wall of the spiral pipe (7).
6. The secondary grouting device for the shield in the karst high-pressure water area, according to claim 1, is characterized in that: a water stop rubber block (18) is pressed between the rivet bolt (17) and the outer side wall (2) of the duct piece.
7. The secondary grouting device for the shield in the karst high-pressure water area, according to claim 6, is characterized in that: the bolt body of the rivet bolt (17) is provided with a pressing block which presses the water stop rubber block (18) to squeeze into the grouting opening (4) in an integrated mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323050273.0U CN221074273U (en) | 2023-11-10 | 2023-11-10 | Karst high-pressure-bearing water area shield secondary grouting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323050273.0U CN221074273U (en) | 2023-11-10 | 2023-11-10 | Karst high-pressure-bearing water area shield secondary grouting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221074273U true CN221074273U (en) | 2024-06-04 |
Family
ID=91260694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323050273.0U Active CN221074273U (en) | 2023-11-10 | 2023-11-10 | Karst high-pressure-bearing water area shield secondary grouting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221074273U (en) |
-
2023
- 2023-11-10 CN CN202323050273.0U patent/CN221074273U/en active Active
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