CN220248086U - Long-distance diversion blasting device for controlling super-undermining of tunnel - Google Patents
Long-distance diversion blasting device for controlling super-undermining of tunnel Download PDFInfo
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- CN220248086U CN220248086U CN202321035537.2U CN202321035537U CN220248086U CN 220248086 U CN220248086 U CN 220248086U CN 202321035537 U CN202321035537 U CN 202321035537U CN 220248086 U CN220248086 U CN 220248086U
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- 238000005422 blasting Methods 0.000 title claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 61
- 238000005259 measurement Methods 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 4
- 238000009412 basement excavation Methods 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 230000001360 synchronised effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 230000005641 tunneling Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model belongs to the technical field of tunnel construction, in particular to a long-distance diversion blasting device for controlling over-excavation of a tunnel, which comprises a vault used for protecting and supporting in the tunnel, wherein a baffle is fixedly connected to the inner bottom wall of the vault, and a water level measuring device is arranged on the upper surface of the baffle; when in use, the water level measuring device is used for feeding water. This a long distance diversion blasting unit for tunnel control is surpassed and is dug installs water level measurement device through setting up in the vault, water level measurement device is through installing two screwed pipes respectively in the inside and outside of tunnel to connect two screwed pipes through communicating pipe, and then introduce rivers back in the tunnel, after the water level risees and gets into the screwed pipe in the tunnel, the water level is synchronous to rise in the external screwed pipe of tunnel, and then is convenient for directly know the water level in the tunnel, this application simple structure, low in cost, convenient to use, thereby make have the characteristics that provide water level monitoring for diversion blasting in the tunnel.
Description
Technical Field
The utility model relates to the technical field of tunnel construction, in particular to a long-distance diversion blasting device for controlling super-undermining of tunnels.
Background
Tunnel long-distance diversion blasting is a blasting technique for tunneling. The process mainly comprises three steps: firstly, in the preparation work, a pipeline is required to be drilled at the top and the bottom of a tunnel respectively, and the two pipelines are connected; secondly, before blasting, introducing water from a pipeline at the top of the tunnel, and slowly injecting the water into the tunnel through the pipeline; finally, a positioning device is used to detect the water level in the tunnel when water starts to flow into the tunnel. Once the water level reaches the preset water level line, detonation operation can be started, and blasting tunneling of the tunnel is realized. The advantage of this process is that it can greatly reduce the impact of blasting on the surrounding environment. Since water can effectively suppress shock waves of explosion and splashing of particles, noise and dust can be reduced. In addition, the process can also improve the blasting efficiency, reduce the cost and ensure that tunneling is safer and more efficient.
Although the safety protection device (publication number: CN 214997680U) for blasting and drilling operation of the diversion tunnel disclosed on the Chinese patent website solves the technical problems that in the construction of the traditional diversion tunnel, a drilling blasting method is often needed, but in the blasting excavation process, disturbance is inevitably caused to surrounding reserved rock mass, in addition, due to the fact that surrounding rock is weak, collapse is easy to occur in the excavation process even if advanced support is adopted, and the construction safety link is weak, the following problems still exist:
in the work progress of tunnel, not only need support the tunnel inner wall, avoid the tunnel to take place to collapse, simultaneously, in order to reduce the influence of blasting to surrounding environment, need pour into the water level of certain degree of depth into in the tunnel into, because the water level in the tunnel is too dark, be inconvenient for carry out the manual work and explore, simultaneously because the interior environment of tunnel is complicated, general level sensor produces the deviation under the interference of the interior environment of tunnel easily for detect inaccurately, thereby be inconvenient for use.
Disclosure of Invention
Based on the technical problem that the water diversion blasting water level in the existing tunnel is inconvenient to observe in real time, the utility model provides a long-distance water diversion blasting device for controlling super-undermining of the tunnel.
The utility model provides a long-distance diversion blasting device for controlling super-underexcavation of a tunnel, which comprises a vault used for protecting and supporting in the tunnel, wherein a baffle is fixedly connected to the inner bottom wall of the vault, and a water level measuring device is arranged on the upper surface of the baffle; when the water level measuring device is used, after water enters the water level measuring device, the water level heights at the two ends of the water level measuring device are the same, and then the water level in the tunnel is read.
Preferably, the water level measuring device comprises a threaded pipe, wherein the lower ends of the threaded pipes are fixedly connected with connecting hoses, the opposite surfaces of the connecting hoses are fixedly connected with communicating pipes, the upper surface of the baffle is fixedly connected with a fixing piece, and the upper end of the fixing piece is fixedly sleeved with the surface of the communicating pipes.
Through the technical scheme, the communicating pipe is used for connecting the two threaded pipes inside and outside the tunnel, so that the two threaded pipes and the communicating pipe are conveniently combined to form the communicating vessel.
Preferably, the inner wall of the upper end of the threaded pipe is fixedly connected with a telescopic hose, the upper end surface of the telescopic hose is fixedly connected with a mounting ring, the outer surface of the upper end of the threaded pipe is in threaded connection with a sleeve, and the upper end surface of the sleeve is in rotary connection with the lower end surface of the mounting ring.
Through above-mentioned technical scheme, utilize with sleeve pipe drive flexible hose follow the surface tensile of screwed pipe to the opening height of flexible hose is convenient for increase.
Preferably, the upper end surface of the mounting ring is connected with a cover plate in a sliding manner, and the lower end of the cover plate is spliced with the inner wall of the mounting ring.
Through above-mentioned technical scheme, thereby utilize the lower extreme of apron to stretch out the installation ring and be convenient for avoid impurity in the tunnel to get into in the screwed pipe, avoid screwed pipe jam to influence the use.
Preferably, the surface of the sleeve is in sliding sleeve connection with a movable ring, and the outer side wall surface of the movable ring is fixedly connected with a buoyancy ring.
Through above-mentioned technical scheme, utilize to float the buoyancy ring after receiving buoyancy effect, and then drive the apron through the expansion ring and drop from the surface of collar.
Preferably, the upper surface fixedly connected with articulated seat of baffle, the inside wall of articulated seat rotates and is connected with the mounting panel, and two the mounting panel is located the both sides of screwed pipe respectively, two the equal fixedly connected with limiting plate of opposite surface of mounting panel.
Through above-mentioned technical scheme, utilize mounting panel and limiting plate to install spacingly to the screwed pipe in the tunnel to be convenient for keep the screwed pipe firm, and through deflecting the mounting panel, further adjust the opening height of collar.
The beneficial effects of the utility model are as follows:
through setting up installation water level measurement device in the vault, water level measurement device is through installing two screwed pipes respectively in the inside and outside of tunnel to through communicating pipe connection two screwed pipes, and then introduce the rivers back in the tunnel, after the water level risees and gets into the screwed pipe in the tunnel, the outside screwed pipe internal water level of tunnel risees in step, and then is convenient for directly know the water level in the tunnel, this application simple structure, low in cost, convenient to use, thereby make have the characteristics that the diversion blasting in the tunnel of being convenient for provides water level monitoring.
Drawings
FIG. 1 is a schematic diagram of a long-distance diversion blasting device for tunnel control over undermining;
FIG. 2 is a perspective view of a threaded pipe structure of a long-distance diversion blasting device for controlling super-undermining of a tunnel;
fig. 3 is a cross-sectional view of a sleeve structure of a long-distance diversion blasting device for tunnel control super-undermining.
In the figure: 1. a vault; 2. a baffle; 3. a water level measuring device; 31. a threaded tube; 32. a connecting hose; 33. a communicating pipe; 34. a fixing member; 35. a flexible hose; 36. a mounting ring; 37. a sleeve; 38. a cover plate; 39. a movable ring; 310. a buoyancy ring; 4. a hinge base; 5. a mounting plate; 6. and a limiting plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-3, a long-distance diversion blasting device for controlling super-undermining of a tunnel comprises a vault 1 for protecting and supporting in the tunnel, wherein a baffle plate 2 is fixedly connected with the inner bottom wall of the vault 1, and a water level measuring device 3 is arranged on the upper surface of the baffle plate 2; when the device is used, after the water level measuring device 3 is used for feeding water, the water level heights at two ends of the water level measuring device 3 are the same, and then the water level in the tunnel is read.
In order to communicate the inside and outside of tunnel, set up at water level measuring device 3 and include screwed pipe 31, the equal fixedly connected with coupling hose 32 of lower extreme of two screwed pipes 31, the equal fixedly connected with communicating pipe 33 of relative surface of two coupling hoses 32, the last fixedly connected with mounting 34 of baffle 2, the upper end of mounting 34 cup joints with the fixed surface of communicating pipe 33, utilize two screwed pipes 31 inside and outside communicating pipe 33 switch on the tunnel on, thereby be convenient for make up two screwed pipes 31 and communicating pipe 33 and form the intercommunication ware, the upper end inner wall fixedly connected with flexible hose 35 of screwed pipe 31, the upper end fixed surface of flexible hose 35 is connected with collar 36, the upper end surface threaded connection of screwed pipe 31 has sleeve 37, the upper end surface of sleeve 37 rotates with the lower extreme surface of collar 36 to be connected, utilize to drive flexible hose 35 from the surface tension of screwed pipe 31 with sleeve 37, thereby the opening height of flexible hose 35 is convenient for increase.
In order to control opening and closing of the surface of the mounting ring 36, a cover plate 38 is slidably connected to the surface of the upper end of the mounting ring 36, the lower end of the cover plate 38 is inserted into the inner wall of the mounting ring 36, impurities in a tunnel are prevented from entering the threaded pipe 31 by extending out of the lower end of the cover plate 38, the threaded pipe 31 is prevented from being blocked, the use is prevented from being influenced, a movable ring 39 is slidably sleeved on the surface of the sleeve 37, a buoyancy ring 310 is fixedly connected to the surface of the outer side wall of the movable ring 39, the buoyancy ring 310 is floated after being subjected to buoyancy, and the cover plate 38 is driven to fall off the surface of the mounting ring 36 through the movable ring 39.
Through setting up water level measurement device 3 in vault 1, water level measurement device 3 is through installing two screwed pipes 31 respectively in the inside and outside of tunnel to through connecting two screwed pipes 31 of communicating pipe 33, and then introduce rivers back in the tunnel, after the water level risees entering screwed pipe 31 in the tunnel, the water level rises in step in the outside screwed pipe 31 of tunnel, and then is convenient for directly know the water level in the tunnel, this application simple structure, low in cost, convenient to use, thereby make have the characteristics of being convenient for provide water level monitoring for the diversion blasting in the tunnel.
In order to carry out movable mounting to screwed pipe 31, at the last fixed surface of baffle 2 be connected with articulated seat 4, the inside wall of articulated seat 4 rotates and is connected with mounting panel 5, and two mounting panels 5 are located screwed pipe 31's both sides respectively, and the equal fixedly connected with limiting plate 6 of the relative surface of two mounting panels 5 utilizes mounting panel 5 and limiting plate 6 to install spacing to screwed pipe 31 in the tunnel to be convenient for keep screwed pipe 31 firm, and through deflecting mounting panel 5, further adjust the opening height of collar 36.
Working principle:
the two threaded pipes 31 are respectively arranged inside and outside the tunnel, the two threaded pipes 31 are connected through the communicating pipe 33, the sleeve 37 is screwed upwards on the surface of the threaded pipe 31 according to the water diversion level height actually required, and the threaded pipe 31 in the tunnel is fixed through the mounting plate 5 and the limiting plate 6;
diversion in to the tunnel, the water level rises in the tunnel, and buoyancy ring 310 floats in the tunnel, and buoyancy ring 310 drives the expansion ring 39 to rise and upwards jack-up apron 38, and the rivers in the tunnel get into in the screwed pipe 31, and the water level rises in the outer screwed pipe 31 of tunnel, erects the outer screwed pipe 31 of tunnel, and when the water level in the outer screwed pipe 31 of tunnel up to standard, the water level in the tunnel up to standard promptly can detonate.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a long distance diversion blasting unit for tunnel control is surpassed and is dug, is including vault (1) that are used for protection to support in the tunnel, the interior bottom wall fixedly connected with baffle (2) of vault (1), its characterized in that: the upper surface of the baffle plate (2) is provided with a water level measuring device (3);
when the device is used, after the water level measuring device (3) is filled with water, the water level heights at the two ends of the water level measuring device (3) are the same, and then the water level in the tunnel is read.
2. The long-distance diversion blasting device for tunnel control super undermining according to claim 1, wherein: the water level measuring device (3) comprises threaded pipes (31), wherein the lower ends of the threaded pipes (31) are fixedly connected with connecting hoses (32), the opposite surfaces of the connecting hoses (32) are fixedly connected with communicating pipes (33), the upper surface of the baffle (2) is fixedly connected with a fixing piece (34), and the upper ends of the fixing pieces (34) are fixedly sleeved with the surfaces of the communicating pipes (33).
3. The long-distance diversion blasting device for tunnel control super-underexcavation according to claim 2, wherein: the inner wall of the upper end of the threaded pipe (31) is fixedly connected with a telescopic hose (35), the surface of the upper end of the telescopic hose (35) is fixedly connected with a mounting ring (36), the outer surface of the upper end of the threaded pipe (31) is in threaded connection with a sleeve (37), and the surface of the upper end of the sleeve (37) is rotationally connected with the surface of the lower end of the mounting ring (36).
4. A long-distance diversion blasting apparatus for tunnel controlled super-undermining according to claim 3, wherein: the upper end surface of the mounting ring (36) is connected with a cover plate (38) in a sliding manner, and the lower end of the cover plate (38) is spliced with the inner wall of the mounting ring (36).
5. A long-distance diversion blasting apparatus for tunnel controlled super-undermining according to claim 3, wherein: the surface of the sleeve (37) is in sliding sleeve connection with a movable ring (39), and the surface of the outer side wall of the movable ring (39) is fixedly connected with a buoyancy ring (310).
6. The long-distance diversion blasting device for tunnel control super-underexcavation according to claim 2, wherein: the upper surface fixedly connected with articulated seat (4) of baffle (2), the inside wall of articulated seat (4) rotates and is connected with mounting panel (5), two mounting panel (5) are located the both sides of screwed pipe (31) respectively, two the equal fixedly connected with limiting plate (6) of relative surface of mounting panel (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321035537.2U CN220248086U (en) | 2023-05-04 | 2023-05-04 | Long-distance diversion blasting device for controlling super-undermining of tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321035537.2U CN220248086U (en) | 2023-05-04 | 2023-05-04 | Long-distance diversion blasting device for controlling super-undermining of tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220248086U true CN220248086U (en) | 2023-12-26 |
Family
ID=89231743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321035537.2U Active CN220248086U (en) | 2023-05-04 | 2023-05-04 | Long-distance diversion blasting device for controlling super-undermining of tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220248086U (en) |
-
2023
- 2023-05-04 CN CN202321035537.2U patent/CN220248086U/en active Active
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