CN113047854A - Shield tunneling machine supporting mud with stable sealing and pressure maintaining effects - Google Patents
Shield tunneling machine supporting mud with stable sealing and pressure maintaining effects Download PDFInfo
- Publication number
- CN113047854A CN113047854A CN202110295908.XA CN202110295908A CN113047854A CN 113047854 A CN113047854 A CN 113047854A CN 202110295908 A CN202110295908 A CN 202110295908A CN 113047854 A CN113047854 A CN 113047854A
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- Prior art keywords
- wall
- fixed
- arc
- block
- buffer spring
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- 230000000694 effects Effects 0.000 title claims abstract description 27
- 238000007789 sealing Methods 0.000 title claims description 13
- 230000005641 tunneling Effects 0.000 title claims description 6
- 230000003139 buffering effect Effects 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000005381 potential energy Methods 0.000 abstract description 13
- 230000006378 damage Effects 0.000 abstract description 3
- 238000001125 extrusion Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 5
- 235000017491 Bambusa tulda Nutrition 0.000 description 5
- 241001330002 Bambuseae Species 0.000 description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 5
- 239000011425 bamboo Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses support mud for a shield machine, which has a stable closed pressure maintaining effect and comprises an installation ring, wherein a fixed disc is fixed on the outer wall of one side of the installation ring through screws, arc-shaped sliding grooves are formed in the top and the bottom of the outer wall of the other side of the fixed disc, the inner walls of two sides of each arc-shaped sliding groove are fixed with the same arc-shaped guide rail through screws, and the outer wall of each arc-shaped guide rail is connected with a moving block in a sliding mode. According to the invention, the fixed disc, the moving block, the arc-shaped guide rail, the arc-shaped sliding groove and the first buffer spring are arranged, when the cutter disc is subjected to torsional force, the moving block can be rotated along the arc-shaped guide rail by the cutter disc, the first buffer spring is subjected to extrusion force at the moment, the first buffer spring generates counter force according to Newton's second law, potential energy generated by the torsional force is converted into elastic potential energy, the first buffer spring dissipates the potential energy of the spring in other forms, and thus the buffer effect can be achieved, and the damage of the torsional force to the cutter disc is reduced.
Description
Technical Field
The invention relates to the technical field of support mud design, in particular to support mud for a shield machine, which has a stable sealing and pressure maintaining effect.
Background
A shield machine is a tunnel boring machine using a shield method. The shield construction method is a "shield" (referred to as a supporting segment) for constructing (laying) a tunnel while a heading machine is heading, and is different from an open construction method. Internationally, generalized shield machines can also be used in rock formations, as distinguished only from open (non-shield) tunnel boring machines. In China, the tunnel boring machine used for the soft soil stratum is customarily called a (narrow sense) shield machine, and the tunnel boring machine used for the rock stratum is called a (narrow sense) TBM;
the (full-face) tunnel boring machine adopts a shield method in one part and an open construction method in the other part, for example, the full-face double-shield rock Tunnel Boring Machine (TBM) which is independently developed by Chinese iron construction and heavy industry is provided with double shields, does not need to construct (lay) the shield of the tunnel, namely does not need to lay a segment, integrates excavation, support and slag tapping, and can realize one-step forming of the tunnel. The cutter head of the shield machine can be subjected to certain torsional force in the process of tunnel mining, and the cutter head can be damaged if the torsional force is too large.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides the support mud for the shield machine, which has a stable sealing and pressure maintaining effect.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a shield constructs machine and supports mud that seals pressurize effect stable, includes the collar, one side outer wall of collar has the fixed disk through the fix with screw, removes one side outer wall top and the bottom of fixed disk and has all seted up the arc sliding tray, the both sides inner wall of arc sliding tray has same arc guide rail through the fix with screw, and the outer wall sliding connection of arc guide rail has the movable block, the outer wall of arc guide rail has cup jointed two first buffer spring that the equidistance distributes, and two first buffer spring that the equidistance distributes are located the movable block both sides.
Preferably, one side outer wall of the moving block is fixed with a first fixed block through a screw, one side outer wall of the first fixed block is provided with a second buffer mechanism, the second buffer mechanism comprises a second fixed cylinder, the second fixed cylinder is fixed with the moving block through a screw, one side outer wall of the second fixed cylinder is provided with a second moving hole, the cylindrical inner wall of the second fixed cylinder is connected with a second limiting plate in a sliding mode, one side outer wall of the second limiting plate is fixed with a second moving column through a screw, the second moving column is in sliding fit with the inner wall of the second moving hole, one side outer wall of the second moving column is fixed with a mounting disc through a screw, the cylindrical outer wall of the second moving column is sleeved with a third buffer spring, the third buffer spring is located between the mounting disc and the second fixed cylinder, and one side outer wall of the mounting disc is fixed with a cutter disc through a screw.
Preferably, a second fixing block is fixed to two sides of the outer wall of one side of the fixing disc through screws, and a first buffer mechanism is arranged on the outer wall of one side of the second fixing block.
Preferably, first buffer gear includes including first fixed section of thick bamboo, and first fixed section of thick bamboo passes through the screw with the second fixed block and fixes mutually, first removal hole has been seted up to one side outer wall of first fixed section of thick bamboo, the cylinder inner wall sliding connection of first fixed section of thick bamboo has first limiting plate, one side outer wall of first limiting plate has first removal post through the screw fixation, first removal post forms sliding fit with the inner wall in first removal hole, one side outer wall of first removal post has the sliding block through the screw fixation, the cylinder outer wall of first removal post has cup jointed the second buffer spring, the second buffer spring is located between sliding block and the first fixed section of thick bamboo.
Preferably, arc-shaped moving grooves are formed in two sides of the outer wall of one side of the cutter head, and the arc-shaped moving blocks are in sliding fit with the sliding blocks.
Preferably, reinforcing ribs are welded on the outer wall of one side of the second fixing block.
The invention has the beneficial effects that:
1. this seal stable shield of pressurize effect constructs machine and uses support mud, through being provided with the fixed disk, the movable block, the arc guide rail, arc sliding tray and first buffer spring, receive torsional force when the blade disc, the blade disc can make the movable block rotate along the arc guide rail, first buffer spring receives extruded power this moment, according to newton's second law, first buffer spring produces the counter force, the potential energy that produces the torsional force turns into elastic potential energy, first buffer spring looses the potential energy with other forms with spring potential energy, can play the cushioning effect like this, reduce the torsional force and harm the blade disc.
2. This shield constructs machine support mud that pressurize effect is stable seals through being provided with first buffer gear and second buffer gear, and first buffer gear and second buffer gear are equivalent to spring damper's effect, and potential energy that first buffer gear and second buffer gear will receive power to produce turns into elastic potential energy, and elastic potential energy can be consumed through the form that spring extension and compression produced thermal energy to reach the shock attenuation effect.
3. This seal stable shield of pressurize effect machine and use support mud, through being provided with the strengthening rib, the product skew twist deformation that the stress inequality that the strengthening rib can overcome the product and bring because of the second fixed block wall thickness difference caused.
The part not related in the device all is the same with prior art or can adopt prior art to realize, and the device design structure is reasonable, and convenient to use satisfies people's user demand.
Drawings
Fig. 1 is a schematic perspective view of a support mud for a shield machine with stable sealing and pressure maintaining effects according to embodiment 1 of the present invention;
fig. 2 is a schematic rear perspective view of a support mud for a shield machine with stable sealing and pressure maintaining effects according to embodiment 1 of the present invention;
fig. 3 is a sectional view of a structure of a mud supporting fixed disk for a shield tunneling machine, which is provided in embodiment 1 of the present invention and has a stable sealing and pressure maintaining effect;
fig. 4 is a structural cross-sectional view of a second buffering mechanism of support mud for a shield machine with stable sealing and pressure maintaining effects, which is provided in embodiment 1 of the present invention;
fig. 5 is a schematic front view of a first buffering mechanism of support mud for a shield machine, which is provided in embodiment 2 of the present invention and has a stable sealing and pressure maintaining effect.
In the figure: 1. a mounting ring; 2. fixing the disc; 3. a first fixed block; 4. a first buffer spring; 5. a second fixed block; 6. a first buffer mechanism; 7. a second buffer mechanism; 701. a second fixed cylinder; 702. a second limiting plate; 703. moving the column; 704. a third buffer spring; 8. a cutter head; 9. a moving block; 10. mounting a disc; 11. an arc-shaped moving groove; 12. an arc-shaped guide rail; 13. and (5) reinforcing ribs.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1
Referring to fig. 1-4, a shield constructs machine that pressurize effect is stable and supports mud, including collar 1, one side outer wall of collar 1 has fixed disk 2 through the fix with screw, remove one side outer wall top and the bottom of fixed disk 2 and all seted up the arc sliding tray, the both sides inner wall of arc sliding tray has same arc guide rail 12 through the fix with screw, and the outer wall sliding connection of arc guide rail 12 has movable block 9, the outer wall of arc guide rail 12 has cup jointed two equidistant first buffer spring 4 that distribute, and two equidistant first buffer spring 4 that distribute is located movable block 9 both sides.
In the invention, a first fixed block 3 is fixed on the outer wall of one side of a moving block 9 through a screw, a second buffer mechanism 7 is arranged on the outer wall of one side of the first fixed block 3, the second buffer mechanism 7 comprises a second fixed cylinder 701, the second fixed cylinder 701 is fixed with the moving block 9 through a screw, a second moving hole is arranged on the outer wall of one side of the second fixed cylinder 701, a second limiting plate 702 is connected to the inner wall of a cylinder of the second fixed cylinder 701 in a sliding manner, a second moving column 703 is fixed on the outer wall of one side of the second limiting plate 702 through a screw, the second moving column 703 is in sliding fit with the inner wall of the second moving hole, a mounting disc 10 is fixed on the outer wall of one side of the second moving column 703 through a screw, a third buffer spring 704 is sleeved on the outer wall of the cylinder of the second moving column 703, the third buffer spring 704 is positioned between the mounting disc 10 and the second fixed cylinder 701, a cutter disc 8 is fixed, two sides of the outer wall of one side of the fixed disk 2 are both fixed with a second fixed block 5 through screws, and the outer wall of one side of the second fixed block 5 is provided with a first buffer mechanism 6 through a screw, the first buffer mechanism 6 comprises a first fixed cylinder, and first fixed cylinder is fixed mutually through the screw with second fixed block 5, first removal hole has been seted up to one side outer wall of first fixed cylinder, the cylinder inner wall sliding connection of first fixed cylinder has first limiting plate, one side outer wall of first limiting plate has first removal post through the fix with screw, first removal post forms sliding fit with the inner wall in first removal hole, one side outer wall of first removal post has the sliding block through the fix with screw, the cylinder outer wall of first removal post has cup jointed second buffer spring, second buffer spring is located between sliding block and the first fixed cylinder, arc shifting chute 11 has all been seted up to one side outer wall both sides of blade disc 8, and the arc movable block forms sliding fit with the sliding block.
The working principle is as follows: when the cutter head 8 is subjected to torsional force, the cutter head 8 enables the moving block 9 to rotate along the arc-shaped guide rail 12, the first buffer spring 4 is subjected to extrusion force, the first buffer spring 4 generates counter force according to the Newton's second law, potential energy generated by the torsional force is converted into elastic potential energy, the first buffer spring 4 disperses the potential energy of the spring in other forms, and therefore the buffer effect can be achieved, and damage of the torsional force to the cutter head 8 is reduced.
Example 2
Referring to fig. 5, the shield machine that seals pressurize effect is stable supports mud, this embodiment compare in embodiment 1, and one side outer wall that still includes second fixed block 5 has all welded strengthening rib 13.
The working principle is as follows: the reinforcing ribs 13 can overcome the problem that the product is distorted and deformed due to uneven stress caused by the difference of the wall thickness of the second fixing block.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The utility model provides a seal stable shield of pressurize effect machine and use support mud, includes collar (1), its characterized in that, one side outer wall of collar (1) has fixed disk (2) through the fix with screw, goes one side outer wall top and the bottom of fixed disk (2) and has all seted up the arc sliding tray, the both sides inner wall of arc sliding tray has same arc guide rail (12) through the fix with screw, and the outer wall sliding connection of arc guide rail (12) has movable block (9), the outer wall of arc guide rail (12) has cup jointed two equidistant first buffer spring (4) that distribute, and two equidistant first buffer spring (4) that distribute are located movable block (9) both sides.
2. The support mud for the shield tunneling machine with the stable closed pressure maintaining effect according to claim 1, wherein a first fixed block (3) is fixed on one outer wall of the movable block (9) through a screw, a second buffering mechanism (7) is arranged on one outer wall of the first fixed block (3), the second buffering mechanism (7) comprises a second fixed cylinder (701), the second fixed cylinder (701) is fixed with the movable block (9) through a screw, a second moving hole is formed in one outer wall of the second fixed cylinder (701), a second limiting plate (702) is connected to the inner cylindrical wall of the second fixed cylinder (701) in a sliding manner, a second moving column (703) is fixed on one outer wall of the second limiting plate (702) through a screw, the second moving column (703) is in a sliding fit with the inner wall of the second moving hole, and a mounting disc (10) is fixed on one outer wall of the second moving column (703) through a screw, a third buffer spring (704) is sleeved on the outer wall of the cylinder of the second movable column (703), the third buffer spring (704) is located between the mounting disc (10) and the second fixed cylinder (701), and a cutter disc (8) is fixed on the outer wall of one side of the mounting disc (10) through screws.
3. The support mud for the shield machine with stable sealing and pressure maintaining effects according to claim 1, wherein a second fixing block (5) is fixed on two sides of one outer wall of the fixing disc (2) through screws, and a first buffering mechanism (6) is arranged on one outer wall of the second fixing block (5).
4. The support mud for the shield tunneling machine with stable sealing and pressure maintaining effects as claimed in claim 2, wherein the first buffering mechanism (6) comprises a first fixed cylinder, the first fixed cylinder and the second fixed block (5) are fixed by screws, a first moving hole is formed in one side outer wall of the first fixed cylinder, a first limiting plate is slidably connected to a cylindrical inner wall of the first fixed cylinder, a first moving column is fixed to one side outer wall of the first limiting plate by screws, the first moving column is in sliding fit with the inner wall of the first moving hole, a sliding block is fixed to one side outer wall of the first moving column by screws, a second buffering spring is sleeved on the cylindrical outer wall of the first moving column, and the second buffering spring is located between the sliding block and the first fixed cylinder.
5. The support mud for the shield tunneling machine with the stable sealing and pressure maintaining effects according to claim 4, characterized in that arc-shaped moving grooves (11) are formed in both sides of the outer wall of one side of the cutter head (8), and the arc-shaped moving blocks and the sliding blocks are in sliding fit.
6. The support mud for the shield machine with stable sealing and pressure maintaining effects according to claim 4, wherein reinforcing ribs (13) are welded on the outer wall of one side of the second fixing block (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110295908.XA CN113047854A (en) | 2021-03-19 | 2021-03-19 | Shield tunneling machine supporting mud with stable sealing and pressure maintaining effects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110295908.XA CN113047854A (en) | 2021-03-19 | 2021-03-19 | Shield tunneling machine supporting mud with stable sealing and pressure maintaining effects |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113047854A true CN113047854A (en) | 2021-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110295908.XA Withdrawn CN113047854A (en) | 2021-03-19 | 2021-03-19 | Shield tunneling machine supporting mud with stable sealing and pressure maintaining effects |
Country Status (1)
| Country | Link |
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| CN (1) | CN113047854A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114017456A (en) * | 2021-11-04 | 2022-02-08 | 无锡中铁城轨装备有限公司 | Efficient damping device of shield machine |
-
2021
- 2021-03-19 CN CN202110295908.XA patent/CN113047854A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114017456A (en) * | 2021-11-04 | 2022-02-08 | 无锡中铁城轨装备有限公司 | Efficient damping device of shield machine |
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Application publication date: 20210629 |