CN213063611U - Water conservancy tunnel shield constructs construction with entrance to a cave sealing water stop device - Google Patents
Water conservancy tunnel shield constructs construction with entrance to a cave sealing water stop device Download PDFInfo
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- CN213063611U CN213063611U CN202022165606.4U CN202022165606U CN213063611U CN 213063611 U CN213063611 U CN 213063611U CN 202022165606 U CN202022165606 U CN 202022165606U CN 213063611 U CN213063611 U CN 213063611U
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- sealing
- entrance
- cave
- shield
- fan
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- 238000007789 sealing Methods 0.000 title claims abstract description 92
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 238000010276 construction Methods 0.000 title claims abstract description 18
- 230000005641 tunneling Effects 0.000 claims description 11
- 241001397809 Hakea leucoptera Species 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 10
- 238000009434 installation Methods 0.000 abstract description 3
- 230000007306 turnover Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a water conservancy tunnel shield constructs construction and seals watertight fittings with entrance to a cave, including fixing the double-deck sealing mechanism at the entrance to a cave, double-deck sealing mechanism is including the soft seal unit that is close to the entrance to a cave and the hard seal unit of keeping away from the entrance to a cave, soft seal unit and hard seal unit keep closely sealing with shield structure casing subsides. The soft sealing unit and the hard sealing unit of the utility model form a double-layer sealing mechanism, which ensures the sealing of the building clearance when the shield goes out of the hole; the annular rubber plate is used as a soft sealing unit, when the shield machine goes out of a hole, the annular rubber plate is pushed and pressed towards one side of the hole to be turned, and the inner annular surface of the annular rubber plate is tightly sealed with the shield machine shell to form a soft sealing surface, so that the sealing effect is effectively ensured; adopt the fan-shaped board that turns over of round through the round pin bushing installation as hard sealed unit, will fan-shaped board turn over towards the entrance to a cave side propelling movement upset when the shield constructs the machine and goes out the hole, the fan-shaped board that turns over of round pastes each other in real time and tightly forms hard sealed face, effectively guarantees sealed effect.
Description
Technical Field
The utility model relates to a water conservancy construction equipment technical field, concretely relates to water conservancy tunnel shield constructs construction with entrance to a cave sealing water stop device.
Background
In the construction process of the water conservancy tunnel shield, an annular building gap can be formed between the opening and the shield shell in the starting and exiting process of the shield. If the gap is not sealed, a large amount of back lining grouting mortar muddy water and the like can be penetrated into the well from the building gap, and the establishment of the soil body pressure of the excavation surface, the stability of the soil body of the excavation surface and the construction in the working well and the shield are influenced.
In the prior art, a simple sealing ring is generally adopted to seal the building gap, and the single sealing ring cannot ensure the sealing effect when the shield is out of the hole; and the sealing washer receives shield structure equipment extrusion deformation easily, leads to leaking, influences normal construction.
Therefore, it is necessary to develop a water sealing device for sealing the tunnel opening for the shield construction of the water conservancy tunnel.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a water conservancy tunnel shield constructs construction and uses entrance to a cave sealing stagnant water device to solve the problem that in the prior art, the simple sealing ring is adopted to seal the building space, and the single sealing ring can not guarantee the sealing effect when the shield goes out of the hole; and the sealing ring is easy to be extruded and deformed by shield equipment, so that leakage is caused, and the normal construction is influenced.
In order to realize the purpose, the technical scheme of the utility model is that:
the utility model provides a water conservancy tunnel shield constructs construction with entrance to a cave sealing watertight fittings, is including fixing the double-deck sealing mechanism at the entrance to a cave, double-deck sealing mechanism is including the soft seal unit that is close to the entrance to a cave and the hard seal unit of keeping away from the entrance to a cave, soft seal unit and hard seal unit keep closely sealing with shield structure casing subsides.
By adopting the scheme, the soft sealing unit and the hard sealing unit form a double-layer sealing mechanism, so that the sealing of the building gap when the shield is out of the hole is ensured.
Further, the soft sealing unit includes annular rubber slab, annular rubber slab and entrance to a cave match and paste the setting of tight entrance to a cave, and the annular rubber slab outside compresses tightly there is the ring, ring and annular rubber slab pass through the bolt fastening at the entrance to a cave, the hole diameter of annular rubber slab is less than the shield structure machine diameter.
By adopting the scheme, when the shield machine goes out of the tunnel, the annular rubber plate is pushed and pressed towards one side of the tunnel opening to be turned, and the inner annular surface of the annular rubber plate is tightly sealed with the shield machine shell to form a soft sealing surface.
Furthermore, the inner ring edge of the annular rubber plate is provided with a sealing ring with a circular section, and the sealing ring and the annular rubber plate are integrally arranged.
By adopting the scheme, the cross section of the sealing ring is circular, and the sealing ring can be tightly attached to the shield machine shell in real time in the movement process of the shield machine, so that no gap exists, and the sealing effect is ensured.
Further, the hard sealing unit comprises an annular fixed plate fixed on the ring, the inner ring diameter of the annular fixed plate is smaller than the diameter of the opening, a circle of fan-shaped turning plate is evenly installed on the inner ring edge of the annular fixed plate in a hinged mode through a pin bush, adjacent fan-shaped turning plates are installed in a staggered mode and attached tightly, the fan-shaped turning plates are arranged in a rotating mode around the pin bush, and the circle of fan-shaped turning plate is turned towards one side of the opening and attached tightly to form a sealing surface used for sealing the gap between the shield tunneling machine shell and the opening.
Through adopting above-mentioned scheme, the fan-shaped board that turns over of round passes through the cotter way and installs at the annular fixed plate inner ring to adjacent fan-shaped board dislocation is turned over and is pasted tight setting, turns over the board towards entrance to a cave side propelling movement upset with fan-shaped when the shield constructs the machine and goes out the hole, and the fan-shaped board that turns over of round pastes tightly each other in real time and forms hard sealed face.
Furthermore, the inner ring surface of the fan-shaped turning plate is provided with an inclined surface matched with the shield machine shell.
By adopting the scheme, the inner annular surface of the fan-shaped turning plate is arranged on the inclined surface matched with the shield machine shell, so that the lamination is ensured, and the gap is avoided.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the soft sealing unit and the hard sealing unit of the utility model form a double-layer sealing mechanism, which ensures the sealing of the building clearance when the shield goes out of the hole;
2. the utility model adopts the annular rubber plate as the soft sealing unit, when the shield machine goes out of the hole, the annular rubber plate is pushed and pressed towards one side of the hole to be overturned, the inner annular surface of the annular rubber plate is tightly sealed with the shield machine shell body to form a soft sealing surface, and the sealing effect is effectively ensured;
3. the utility model discloses a fan-shaped board that turns over of round through the round pin bushing installation is as hard sealed unit, turns over the board towards entrance to a cave side propelling movement upset with fan-shaped when the shield constructs the machine and goes out the hole, and the fan-shaped board that turns over of round pastes the formation hard seal face each other in real time, effectively guarantees sealed effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic sectional structure diagram of an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of an operating state of the embodiment of the present invention.
Shown in the figure:
1. an annular rubber plate; 101. a seal ring;
2. a circular ring;
3. a bolt;
4. an annular fixed plate;
5. a pin bush;
6. a sector-shaped turning plate; 601. an inclined surface.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience of description and 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 therefore not to be considered limiting.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1-3, the hole sealing and water stopping device for the water conservancy tunnel shield construction provided by the embodiment includes a double-layer sealing mechanism fixed at the hole, the double-layer sealing mechanism includes a soft sealing unit close to the hole and a hard sealing unit far away from the hole, and the soft sealing unit and the hard sealing unit are kept to be tightly sealed with the shell of the shield tunneling machine 7.
The soft sealing unit and the hard sealing unit form a double-layer sealing mechanism, so that the sealing of the building gap when the shield exits the hole is ensured.
The soft sealing unit comprises an annular rubber plate 1, the annular rubber plate 1 is matched with the opening to be attached to the opening, a ring 2 is pressed on the outer side of the annular rubber plate 1, the ring 2 and the annular rubber plate 1 are fixed at the opening through a bolt 3, and the inner hole diameter of the annular rubber plate 1 is smaller than the diameter of a shield tunneling machine 7.
When the shield tunneling machine 7 goes out of the tunnel, the annular rubber plate 1 is pushed and turned towards one side of the tunnel opening, and the inner annular surface of the annular rubber plate 1 is tightly attached to the shell of the shield tunneling machine 7 for sealing to form a soft sealing surface.
The edge of the inner ring of the annular rubber plate 1 is provided with a sealing ring 101 with a circular section, and the sealing ring 101 and the annular rubber plate 1 are integrally arranged.
The section of the sealing ring 101 is circular, and the sealing ring can be tightly attached to a shell of the shield tunneling machine 7 in real time in the movement process of the shield tunneling machine 7, so that no gap exists, and the sealing effect is ensured.
Hard sealed unit is including fixing annular fixed plate 4 on the ring 2, the inner ring diameter of annular fixed plate 4 is less than the entrance to a cave diameter, and the inner ring edge of annular fixed plate 4 articulates through cotter 5 and evenly installs the fan-shaped board 6 that turns over of round, and adjacent fan-shaped board 6 dislocation mounting of turning over pastes tightly, fan-shaped board 6 that turns over is around cotter 5 rotatory setting, and the fan-shaped board 6 that turns over of round is pasted tightly each other towards entrance to a cave one side upset and is used for the sealed face in sealed shield structure machine 7 casing and entrance to a cave clearance.
In this embodiment, a circle of fan-shaped turning plates 6 are respectively located at the group A of fan-shaped turning plates 6 close to the opening and the group B of fan-shaped turning plates 6 far away from the opening, and the two groups of fan-shaped turning plates 6 are arranged in a staggered manner and tightly attached to each other to form sealing.
A circle of fan-shaped turning plate 6 is installed on the inner ring of the annular fixing plate 4 through a pin sleeve 5, adjacent fan-shaped turning plates 6 are arranged in a staggered and attached mode, when the shield machine 7 goes out of a hole, the fan-shaped turning plates 6 are pushed and turned towards the hole side, and a circle of fan-shaped turning plates 6 are attached to each other in real time to form a hard sealing surface.
The inner ring surface of the fan-shaped turning plate 6 is provided with an inclined surface 601 matched with the shell of the shield tunneling machine 7.
The inner annular surface of the fan-shaped turning plate 6 is arranged on the inclined surface 601 matched with the shell of the shield tunneling machine 7, so that the lamination is ensured, and the gap is avoided.
The soft sealing unit and the hard sealing unit of the utility model form a double-layer sealing mechanism, which ensures the sealing of the building clearance when the shield goes out of the hole;
the utility model adopts the annular rubber plate 1 as the soft sealing unit, when the shield machine 7 goes out of the hole, the annular rubber plate 1 is pushed and pressed towards one side of the hole to be overturned, the inner annular surface of the annular rubber plate 1 is tightly attached to the shell of the shield machine 7 for sealing, a soft sealing surface is formed, and the sealing effect is effectively ensured;
the utility model discloses a fan-shaped board 6 that turns over of round through the installation of guide 5 is as hard sealed unit, turns over board 6 towards entrance to a cave side propelling movement upset fan-shaped when shield constructs 7 holes of machine, and the fan-shaped board 6 that turns over of round pastes tightly each other in real time and forms hard sealed face, effectively guarantees sealed effect.
In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (5)
1. The utility model provides a water conservancy tunnel shield constructs construction with entrance to a cave sealing watertight fittings, a serial communication port, including fixing the double-deck sealing mechanism at the entrance to a cave, double-deck sealing mechanism is including the soft seal unit that is close to the entrance to a cave and the hard seal unit of keeping away from the entrance to a cave, soft seal unit and hard seal unit keep sealing closely with shield structure casing subsides.
2. The opening sealing and water stopping device for the water conservancy tunnel shield construction according to claim 1, wherein the soft sealing unit comprises an annular rubber plate, the annular rubber plate is matched with the opening and is tightly attached to the opening, a circular ring is compressed on the outer side of the annular rubber plate, the circular ring and the annular rubber plate are fixed to the opening through bolts, and the inner hole diameter of the annular rubber plate is smaller than the diameter of the shield tunneling machine.
3. The opening sealing and water stopping device for the water conservancy tunnel shield construction according to claim 2, wherein a sealing ring with a circular cross section is arranged at the inner ring edge of the annular rubber plate, and the sealing ring and the annular rubber plate are integrally arranged.
4. The opening sealing and water stopping device for the water conservancy tunnel shield construction according to claim 2, wherein the hard sealing unit comprises an annular fixing plate fixed on the ring, the inner ring diameter of the annular fixing plate is smaller than the opening diameter, a circle of fan-shaped turning plates are evenly installed on the inner ring edge of the annular fixing plate through hinge of a pin bush, adjacent fan-shaped turning plates are installed in a staggered mode and attached tightly, the fan-shaped turning plates are arranged in a rotating mode around the pin bush, and the circle of fan-shaped turning plates are turned towards one side of the opening and attached tightly to each other to form a sealing surface for sealing a gap between the shield tunneling machine shell and the opening.
5. The cave entrance sealing and water stopping device for the water conservancy tunnel shield construction according to claim 4, wherein an inclined surface matched with a shield machine shell is arranged on the inner annular surface of the fan-shaped turning plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022165606.4U CN213063611U (en) | 2020-09-27 | 2020-09-27 | Water conservancy tunnel shield constructs construction with entrance to a cave sealing water stop device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022165606.4U CN213063611U (en) | 2020-09-27 | 2020-09-27 | Water conservancy tunnel shield constructs construction with entrance to a cave sealing water stop device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213063611U true CN213063611U (en) | 2021-04-27 |
Family
ID=75561013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022165606.4U Expired - Fee Related CN213063611U (en) | 2020-09-27 | 2020-09-27 | Water conservancy tunnel shield constructs construction with entrance to a cave sealing water stop device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213063611U (en) |
-
2020
- 2020-09-27 CN CN202022165606.4U patent/CN213063611U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210427 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |