CN215486036U - Gushing prevention device of shield screw machine for water-rich sand layer - Google Patents
Gushing prevention device of shield screw machine for water-rich sand layer Download PDFInfo
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- CN215486036U CN215486036U CN202121889442.8U CN202121889442U CN215486036U CN 215486036 U CN215486036 U CN 215486036U CN 202121889442 U CN202121889442 U CN 202121889442U CN 215486036 U CN215486036 U CN 215486036U
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Abstract
The utility model relates to the technical field of shield engineering construction, in particular to a gush prevention device of a shield screw machine of a water-rich sand layer. Including flange and deposit the soil box, flange and the matching of screw machine unearthing mouth flange face set up, deposit soil box and flange fixed connection, flange sets up and deposits the top of soil box, flange and deposit and be provided with hydraulic gate between the soil box, hydraulic gate includes first hydraulic gate and second hydraulic gate, first hydraulic gate is close to flange one side and sets up, second hydraulic gate is close to and deposits soil box one side and sets up, open and shut each other not influence between first hydraulic gate and the second hydraulic gate. Effectively guarantee earth pressure balance shield machine propulsion construction safety, easy operation, accessible multiple mode freely switches out the mode of digging. The method is mainly applied to the anti-surging aspect of the shield screw machine of the water-rich sand layer.
Description
Technical Field
The utility model relates to the technical field of shield engineering construction, in particular to a gush prevention device of a shield screw machine of a water-rich sand layer.
Background
When earth pressure balance shield constructs machine impels the construction in rich water sand bed, the ubiquitous phenomenon that leads to the screw machine to go out the soil outlet to gush because of the more rare earth of dregs, soil storehouse pressure unstability is difficult to reach water and soil balance, the extremely easy phenomenon of surging the dregs that causes because of the screw machine of appearing gushing, the unable effective control of shield top earth's surface subsides, the unable normal propelling construction of shield structure machine, serious even lead to tunnel top regional ground subside transfinite or even take place to warp, collapse, great engineering accidents such as gushing sand appear leaking in the tunnel.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model provides the gush prevention device of the shield screw machine for the water-rich sand layer, which is simple to prepare, has a stable structure, has multiple unearthing modes, effectively prevents the occurrence of gush, ensures the stability of surface subsidence and improves the construction safety coefficient.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:
the utility model provides a rich water sand bed shield constructs screw machine and prevents spouting device, includes flange and deposits the soil box, flange and screw machine unearthing mouthful flange face match the setting, deposit soil box and flange fixed connection, flange set up and deposit the top of soil box, flange and deposit and be provided with hydraulic gate between the soil box, hydraulic gate includes first hydraulic gate and second hydraulic gate, first hydraulic gate is close to flange one side and sets up, the second hydraulic gate is close to and deposits soil box one side and sets up, opens and shuts each other not influence between first hydraulic gate and the second hydraulic gate.
The first hydraulic gate and the second hydraulic gate are arranged in parallel.
The bottom of the soil storage box is provided with a cover plate.
The cover plate is hinged to the bottom of the soil storage box, and a lock catch for controlling the cover plate to open and close is arranged on the cover plate.
And lifting lugs are arranged on the side wall of the soil storage box.
And a manual gate valve is arranged on the side wall of the soil storage box.
The manual gate valve includes slide gate, spout and pull rod, the spout sets up in the lateral wall of depositing the soil box, slide gate slides and sets up in the spout, pull rod and slide gate fixed connection.
The cover surface of the sliding gate is larger than the opening of the side wall of the soil storage box.
Compared with the prior art, the utility model has the beneficial effects that:
the connecting flange can realize quick connection and disassembly of the device and the soil outlet of the screw machine; the combination of the first hydraulic gate and the second hydraulic gate effectively ensures the anti-gushing effect; the arrangement of the soil storage box can form a 'soil plug' effect, so that the phenomenon of gushing is avoided; due to the arrangement of the lifting lugs, the device can be quickly mounted and dismounted, and the mounting stability of the device is facilitated; the cover plate is arranged, so that rapid deslagging is facilitated when more clay and gravel in the stratum are inconvenient to remove soil; when the manual gate valve is in emergency power-off or the hydraulic gate is blocked to lose efficacy, the manual gate valve can be quickly and manually closed, and muddy water is prevented from being gushed. Effectively guarantee the balanced shield of earth pressure machine and advance construction safety, avoid the balanced shield of earth pressure machine to advance the screw machine mouth that appears when constructing in relatively poor rich water stratum and gush water and gush sand phenomenon, solved and gushed the difficult problem that leads to the unable normal construction of shield structure because of the screw machine, effectively guaranteed the stability that the earth's surface subsides.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a rear view of the present invention;
in the figure: 1 is a connecting flange, 2 is a first hydraulic gate, 3 is a second hydraulic gate, 4 is a soil storage box, 5 is a lifting lug, 6 is a cover plate, 7 is a sliding gate, 8 is a sliding chute, and 9 is a pull rod.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and fig. 2, a gushing prevention device for shield screw machine of water-rich sand layer, including flange 1 and soil storage box 4, flange 1 matches the setting with the screw machine unearthing mouth flange face, soil storage box 4 and flange 1 fixed connection, flange 1 sets up and deposits the top of soil storage box 4, flange 1 and deposit and be provided with hydraulic gate between the soil storage box 4, hydraulic gate includes first hydraulic gate 2 and second hydraulic gate 3, first hydraulic gate 2 is close to flange 1 one side setting, second hydraulic gate 3 is close to and deposits 4 one side settings of soil storage box, open and shut each other between first hydraulic gate 2 and the second hydraulic gate 3 and do not influence. The double-gate structure of the first hydraulic gate 2 and the second hydraulic gate 3 effectively ensures the anti-surging performance of the screw machine. A soil storage box 4 is provided. Because of the screw machine is the slope setting, through the action of gravity, the dregs at the unearthing mouth position is relatively dry, and the dregs in the soil storage box 4 can form "soil stopper" effect with the combination of the dregs in the screw machine, effectively avoids the gushing phenomenon of muddy water in the soil storehouse when the dregs are more rare, adopts "soil stopper" extrusion formula unearthing mode, effectively avoids the screw machine gushing phenomenon
Preferably, the first hydraulic gate 2 is arranged in parallel with the second hydraulic gate 3.
Preferably, the bottom of the soil storage box 4 is provided with a cover plate 6. When the earth in the stratum is more and inconvenient to discharge soil, the cover plate 6 can be opened, and the normal soil discharging mode is adopted, thereby being beneficial to discharging the dregs
Preferably, the cover plate 6 is hinged to the bottom of the soil storage box, and a lock catch for controlling the cover plate to open and close is arranged on the cover plate 6.
Preferably, a lifting lug 5 is arranged on the side wall of the soil storage box 4. Set up flange 1 that lug 5, upper portion set up through depositing 4 both sides of soil box, can realize the quick installation and the dismantlement of this structure through the bolt, just can open in the short time and prevent spouting the effect of gushing.
Preferably, a manual gate valve is arranged on the side wall of the soil storage box 4.
Preferably, manual gate valve includes slide gate 7, spout 8 and pull rod 9, and spout 8 sets up in the lateral wall of depositing soil box 4, and slide gate 7 slides and sets up in spout 8, and pull rod 9 and slide gate 7 fixed connection. When the emergency power failure or the hydraulic gate is stuck and fails, the sliding gate 7 can be opened quickly through the pull rod 9, and the muddy water is prevented from gushing.
Preferably, the covering surface of the slide gate 7 is larger than the opening of the sidewall of the soil storage box 4. And a sealing strip is arranged between the sliding gate 7 and the opening on the side wall of the soil storage box 4, so that the sliding gate 7 is effectively prevented from leaking.
Although only the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and all changes are encompassed in the scope of the present invention.
Claims (8)
1. The utility model provides a rich water sand bed shield constructs screw machine and prevents gushing device which characterized in that: including flange (1) and deposit soil box (4), flange (1) and the matching of screw machine unearthed mouthful flange face set up, deposit soil box (4) and flange (1) fixed connection, flange (1) set up and deposit the top of soil box (4), flange (1) and deposit and be provided with hydraulic gate between soil box (4), hydraulic gate includes first hydraulic gate (2) and second hydraulic gate (3), first hydraulic gate (2) are close to flange (1) one side and set up, second hydraulic gate (3) are close to and deposit soil box (4) one side setting, open and shut each other between first hydraulic gate (2) and the second hydraulic gate (3) and do not influence.
2. The blowout preventer of the shield screw machine for the water-rich sand layer according to claim 1, wherein: the first hydraulic gate (2) and the second hydraulic gate (3) are arranged in parallel.
3. The blowout preventer of the shield screw machine for the water-rich sand layer according to claim 1, wherein: and a cover plate (6) is arranged at the bottom of the soil storage box (4).
4. The blowout preventer of the shield screw machine for the water-rich sand layer according to claim 3, wherein: the cover plate (6) is hinged to the bottom of the soil storage box, and a lock catch for controlling the cover plate to open and close is arranged on the cover plate (6).
5. The blowout preventer of the shield screw machine for the water-rich sand layer according to claim 1, wherein: the side wall of the soil storage box (4) is provided with a lifting lug (5).
6. The blowout preventer of the shield screw machine for the water-rich sand layer according to claim 1, wherein: and a manual gate valve is arranged on the side wall of the soil storage box (4).
7. The blowout preventer of the shield screw machine for the water-rich sand layer according to claim 6, wherein: manual gate valve includes slide gate (7), spout (8) and pull rod (9), spout (8) set up in the lateral wall of depositing soil box (4), slide gate (7) slide and set up in spout (8), pull rod (9) and slide gate (7) fixed connection.
8. The blowout preventer of the shield screw machine for the water-rich sand layer according to claim 7, wherein: the covering surface of the sliding gate (7) is larger than the opening of the side wall of the soil storage box (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121889442.8U CN215486036U (en) | 2021-08-12 | 2021-08-12 | Gushing prevention device of shield screw machine for water-rich sand layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121889442.8U CN215486036U (en) | 2021-08-12 | 2021-08-12 | Gushing prevention device of shield screw machine for water-rich sand layer |
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| Publication Number | Publication Date |
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| CN215486036U true CN215486036U (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121889442.8U Active CN215486036U (en) | 2021-08-12 | 2021-08-12 | Gushing prevention device of shield screw machine for water-rich sand layer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114198115A (en) * | 2022-02-15 | 2022-03-18 | 中铁隧道局集团路桥工程有限公司 | Anti-surging shield screw machine and method for applying same |
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2021
- 2021-08-12 CN CN202121889442.8U patent/CN215486036U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114198115A (en) * | 2022-02-15 | 2022-03-18 | 中铁隧道局集团路桥工程有限公司 | Anti-surging shield screw machine and method for applying same |
| CN114198115B (en) * | 2022-02-15 | 2022-04-29 | 中铁隧道局集团路桥工程有限公司 | Anti-surging shield screw machine and method for applying same |
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