CN220748261U - Rectangular pipe pushing jack excavation surface blind area crushing mechanism - Google Patents
Rectangular pipe pushing jack excavation surface blind area crushing mechanism Download PDFInfo
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- CN220748261U CN220748261U CN202322571417.0U CN202322571417U CN220748261U CN 220748261 U CN220748261 U CN 220748261U CN 202322571417 U CN202322571417 U CN 202322571417U CN 220748261 U CN220748261 U CN 220748261U
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- excavation
- pipe
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- blind area
- jacking
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- 238000009412 basement excavation Methods 0.000 title claims abstract description 55
- 230000007246 mechanism Effects 0.000 title claims abstract description 15
- 238000009434 installation Methods 0.000 claims abstract description 29
- 238000005192 partition Methods 0.000 claims abstract description 23
- 239000011435 rock Substances 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 33
- 239000007921 spray Substances 0.000 claims description 9
- 230000005641 tunneling Effects 0.000 abstract description 6
- 230000001141 propulsive effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model relates to the technical field of rectangular push bench, and discloses a dead zone crushing mechanism for an excavation surface of a rectangular push bench, which comprises a rectangular push bench and a backrest, wherein an installation partition plate is fixedly installed on the inner side wall of the rectangular push bench, and one side of the installation partition plate is provided with a high-pressure cutting device for separating the rock wall of the excavation dead zone from an underground rock stratum. This rectangle push bench excavation face blind area breaker constructs, through set up high-pressure cutting device in one side of installation baffle, it adopts rotatory excavation to have solved the rectangle push bench, there is great excavation blind area, lead to the resistance of jacking to increase, the problem of tunneling propulsion has been increased, through the cutting shower nozzle of rectangle push bench excavation one side, the rock wall of excavation blind area cuts with the stratum of ground, when high-order blade disc and low-order blade disc cut the rock wall, the rock wall of excavation blind area can fall down, the resistance of jacking has been reduced, the propulsive efficiency of tunneling has been improved.
Description
Technical Field
The utility model relates to the technical field of rectangular push bench, in particular to a dead zone crushing mechanism for an excavation surface of a rectangular push bench.
Background
With the progress of society and the rapid promotion of urban construction, the demands of people on underground spaces are higher and higher, and particularly, the demands of subways, urban underground pipelines, underground parking garages, underground pipe galleries and the like are higher and higher, and the application of pipe jacking technology is more and more common.
The rectangular pipe jacking machine can effectively utilize underground space, improves section utilization rate, has better shallow earthing adaptability, can greatly reduce gradient and depth of various structures to be penetrated down, has small disturbance to surrounding soil, can effectively control ground subsidence, has smaller rectangular pipe jacking construction working well than shield working well, can reduce occupied area, and has good applicability.
However, the rectangular push bench adopts the rotary excavation of the multi-cutter structure, the circular structure of the cutter head determines that the cutter head cannot cover all areas of the rectangle, a larger excavation blind area exists, the jacking resistance is increased, the tunneling propelling difficulty is increased, and the rectangular push bench excavation face blind area crushing mechanism is provided.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a dead zone crushing mechanism for the excavation surface of a rectangular pipe-jacking machine, which has the advantages of crushing the excavation dead zone and the like, and solves the problems that the rectangular pipe-jacking machine adopts a multi-cutter structure to rotationally excavate, has larger excavation dead zone, increases jacking resistance and increases tunneling and propelling difficulty.
In order to achieve the purposes of crushing the open blind area and the like, the utility model provides the following technical scheme: the dead zone crushing mechanism for the excavation surface of the rectangular pipe jacking machine comprises a rectangular pipe jacking and a backrest, wherein an installation partition plate is fixedly installed on the inner side wall of the rectangular pipe jacking, and a high-pressure cutting device for separating the dead zone rock wall from the underground rock stratum is arranged on one side of the installation partition plate;
the high-pressure cutting device comprises a pressurizing water pump fixedly mounted on one side of the excavation of the mounting partition board, a plurality of communicating pipes are fixedly mounted at the output end of the pressurizing water pump, a shunt pipe is fixedly mounted in one end of each communicating pipe and the side wall of each rectangular jacking pipe, an output pipe is fixedly mounted at the output end of each shunt pipe, a cutting spray head is fixedly mounted on the excavation face, close to the edge, of each rectangular jacking pipe, and the output end of each output pipe is fixedly connected with the input end of each cutting spray head.
Further, the connector is fixedly arranged at the input end of the pressurizing water pump, the connector is positioned at one side of the installation partition plate far away from the pressurizing water pump, and the input end of the pressurizing water pump is communicated with the water delivery hose through the connector.
Further, the excavation face of installation baffle rotates and installs high-order pivot, and high-order blade disc is installed to high-order pivot's one end fixed mounting.
Further, the excavation face of installation baffle rotates the low level pivot of installation, and low level cutter head is fixed mounting to the one end of low level pivot.
Further, the high-position rotating shafts and the low-position rotating shafts are distributed on the excavation surface of the installation partition board in a staggered mode, and a cutter motor with an output end fixedly connected with one end of the high-position rotating shaft and one end fixedly connected with one end of the low-position rotating shaft is fixedly installed on one side of the installation partition board.
Further, a main top is fixedly arranged on one side of the backrest, a top block is fixedly arranged at the movable end of the main top, one side of the top block is contacted with one side of the rectangular top pipe, and the water delivery hose movably penetrates through the top block and is connected with a water source.
Compared with the prior art, the utility model provides the dead zone crushing mechanism for the excavation surface of the rectangular pipe jacking machine, which has the following beneficial effects:
this rectangle push bench excavation face blind area breaker constructs, through set up high-pressure cutting device in one side of installation baffle, it adopts rotatory excavation to have solved the rectangle push bench, there is great excavation blind area, lead to the resistance of jacking to increase, the problem of tunneling propulsion has been increased, through the cutting shower nozzle of rectangle push bench excavation one side, the rock wall of excavation blind area cuts with the stratum of ground, when high-order blade disc and low-order blade disc cut the rock wall, the rock wall of excavation blind area can fall down, the resistance of jacking has been reduced, the propulsive efficiency of tunneling has been improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic illustration of an excavation face of the present utility model;
FIG. 3 is a schematic view of a high pressure cutting apparatus according to the present utility model;
fig. 4 is a cross-sectional view of a rectangular push bench of the present utility model.
In the figure: 1. rectangular jacking pipes; 2. installing a partition board; 3. a high pressure cutting device; 31. a pressurized water pump; 32. a communicating pipe; 33. a shunt; 34. an output pipe; 35. cutting a spray head; 4. a connector; 5. a water hose; 6. a high-order rotating shaft; 7. high-order cutterhead; 8. a lower rotating shaft; 9. a low-level cutter head; 10. a cutter motor; 11. a backrest; 12. a main roof; 13. and (5) a top block.
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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, an excavation surface blind area crushing mechanism of a rectangular pipe jacking machine comprises a rectangular pipe jacking 1 and a backrest 11, wherein an installation partition plate 2 is fixedly installed on the inner side wall of the rectangular pipe jacking 1, and a high-pressure cutting device 3 for separating an excavation blind area rock wall from an underground rock stratum is arranged on one side of the installation partition plate 2.
The high-pressure cutting device 3 comprises a pressurizing water pump 31 fixedly installed on one side of the excavation of the installation partition plate 2, a plurality of communicating pipes 32 are fixedly installed at the output end of the pressurizing water pump 31, a shunt pipe 33 is fixedly installed in the side wall of the rectangular jacking pipe 1 at one end of each communicating pipe 32, an output pipe 34 is fixedly installed at the output end of each shunt pipe 33, a cutting spray head 35 is fixedly installed on the excavation face of the rectangular jacking pipe 1 close to the edge, the output end of each output pipe 34 is fixedly connected with the input end of each cutting spray head 35, the cutting spray heads 35 spray high-pressure water to the excavation direction along the edge of the rectangular jacking pipe 1, underground strata are cut, the excavated rock wall is separated from the underground strata, hard soil in the underground strata is softened by sprayed water, excavation resistance is reduced, and propelling efficiency is increased.
Secondly, the input end of the pressurized water pump 31 is fixedly provided with a connector 4, the connector 4 is positioned on one side of the installation partition plate 2 far away from the pressurized water pump 31, the input end of the pressurized water pump 31 is communicated with the water delivery hose 5 through the connector 4, and the water delivery hose 5 synchronously moves forward along with the rectangular jacking pipe 1 during excavation and propulsion.
Meanwhile, the high-position rotating shaft 6 is rotatably arranged on the excavation surface of the installation partition plate 2, the high-position cutter 7 is fixedly arranged at one end of the high-position rotating shaft 6, the low-position rotating shaft 8 is rotatably arranged on the excavation surface of the installation partition plate 2, and the low-position cutter 9 is fixedly arranged at one end of the low-position rotating shaft 8.
The high-position rotating shafts 6 and the low-position rotating shafts 8 are distributed on the excavation surface of the installation partition plate 2 in a staggered mode, so that the area where the high-position cutterhead 7 and the low-position cutterhead 9 excavate is wider, the excavation blind area is reduced, a cutterhead motor 10 with an output end fixedly connected with one end of the high-position rotating shafts 6 and one end fixedly connected with one end of the low-position rotating shafts 8 is fixedly installed on one side of the installation partition plate 2, and the cutterhead motor 10 drives the movement of the high-position rotating shafts 6 and the low-position rotating shafts 8 to rotate so as to provide power for the excavation of the high-position cutterhead 7 and the low-position cutterhead 9.
Secondly, a main top 12 is fixedly arranged on one side of the backrest 11, a top block 13 is fixedly arranged at the movable end of the main top 12, one side of the top block 13 is contacted with one side of the rectangular jacking pipe 1, and the water delivery hose 5 movably penetrates through the top block 13 and is connected with a water source.
When the device is used, the backrest 11 is installed in a working well, the main roof 12 is connected with the backrest 11, the ejector block 13 is installed at the movable end of the main roof 12, then the rectangular jacking pipe 1 is placed on one side of the ejector block 13, the cutter motor 10 is started to drive the high-position cutter 7 and the low-position cutter 9 to rotate, meanwhile, a water source is connected to the water delivery hose 5, then the main roof 12 is started to push the rectangular jacking pipe 1 to move forwards, the high-position cutter 7 and the low-position cutter 9 excavate an excavated rock wall, the pressurized water pump 31 is started, the cutting nozzle 35 ejects high-pressure water along the edge of the rectangular jacking pipe 1 to the excavation direction, and the excavated rock wall is separated from the underground rock stratum before the high-position cutter 7 and the low-position cutter 9 are contacted with the excavated rock wall, so that the rock wall of a dead zone falls, and the propelling resistance is reduced.
The electrical components appearing herein are all electrically connected with the master controller and the power supply, the master controller can be a conventional known device for controlling a computer and the like, and the prior art of power connection is not described in detail herein.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a broken mechanism of rectangle push bench excavation face blind area, includes rectangle push pipe (1) and back (11), its characterized in that: the inner side wall of the rectangular jacking pipe (1) is fixedly provided with an installation partition board (2), and one side of the installation partition board (2) is provided with a high-pressure cutting device (3) for separating the rock wall of an excavation dead zone from the underground rock stratum;
the high-pressure cutting device (3) comprises a pressurizing water pump (31) fixedly installed on one side of the excavation of the installation partition plate (2), a plurality of communicating pipes (32) are fixedly installed at the output end of the pressurizing water pump (31), a shunt pipe (33) is fixedly installed in one end of each communicating pipe (32) and the side wall of each rectangular jacking pipe (1), an output pipe (34) is fixedly installed at the output end of each shunt pipe (33), a cutting spray head (35) is fixedly installed on the excavation surface, close to the edge, of each rectangular jacking pipe (1), and the output end of each output pipe (34) is fixedly connected with the input end of each cutting spray head (35).
2. The rectangular pipe jacking machine excavation face blind area crushing mechanism according to claim 1, wherein: the input end of the pressurizing water pump (31) is fixedly provided with a connector (4), the connector (4) is positioned on one side of the installation partition plate (2) far away from the pressurizing water pump (31), and the input end of the pressurizing water pump (31) is communicated with the water delivery hose (5) through the connector (4).
3. The rectangular pipe jacking machine excavation face blind area crushing mechanism according to claim 1, wherein: the excavation face of installation baffle (2) rotates and installs high-order pivot (6), and high-order blade disc (7) are installed to one end fixed mounting of high-order pivot (6).
4. The excavating face blind area crushing mechanism of the rectangular pipe jacking machine according to claim 3, wherein: the excavation face of installation baffle (2) rotates installation low level pivot (8), and low level blade disc (9) are installed to one end fixed mounting of low level pivot (8).
5. The rectangular pipe jacking machine excavation face blind area crushing mechanism according to claim 4, wherein: the high-position rotating shafts (6) and the low-position rotating shafts (8) are distributed on the excavation surface of the installation partition plate (2) in a staggered mode, and a cutter motor (10) with an output end fixedly connected with one end of the high-position rotating shafts (6) and one end fixedly connected with one end of the low-position rotating shafts (8) is fixedly installed on one side of the installation partition plate (2).
6. The rectangular pipe jacking machine excavation face blind area crushing mechanism according to claim 1, wherein: a main top (12) is fixedly arranged on one side of the backrest (11), a top block (13) is fixedly arranged at the movable end of the main top (12), one side of the top block (13) is contacted with one side of the rectangular top pipe (1), and the water delivery hose (5) movably penetrates through the top block (13) and is connected with a water source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322571417.0U CN220748261U (en) | 2023-09-21 | 2023-09-21 | Rectangular pipe pushing jack excavation surface blind area crushing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322571417.0U CN220748261U (en) | 2023-09-21 | 2023-09-21 | Rectangular pipe pushing jack excavation surface blind area crushing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220748261U true CN220748261U (en) | 2024-04-09 |
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ID=90550944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322571417.0U Active CN220748261U (en) | 2023-09-21 | 2023-09-21 | Rectangular pipe pushing jack excavation surface blind area crushing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220748261U (en) |
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2023
- 2023-09-21 CN CN202322571417.0U patent/CN220748261U/en active Active
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