CN214887126U - A sealed stagnant water structure for muddy water balance tunnelling construction - Google Patents
A sealed stagnant water structure for muddy water balance tunnelling construction Download PDFInfo
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- CN214887126U CN214887126U CN202121762905.4U CN202121762905U CN214887126U CN 214887126 U CN214887126 U CN 214887126U CN 202121762905 U CN202121762905 U CN 202121762905U CN 214887126 U CN214887126 U CN 214887126U
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Abstract
The utility model discloses a sealed stagnant water structure for balanced tunnelling construction of muddy water has solved the current stagnant water ring that the balanced entry driving machine of muddy water used and has constructed complicacy, the inconvenient, the water stopping performance of installation and the low technical problem of life. The utility model discloses a pre-buried steel sheet ring in the wall body outside, be provided with the screw that is the annular and arranges on the pre-buried steel sheet ring, be provided with the stay bolt with the screw links to each other, pre-buried steel sheet ring and stay bolt's end cap and between have set gradually first steel sheet ring, second steel sheet ring and third steel sheet ring, be provided with the second between first steel sheet ring and the pre-buried steel sheet ring and say the stagnant water rubber circle, be provided with first stagnant water rubber circle between second steel sheet ring and the third steel sheet ring, the second says that the internal diameter of stagnant water rubber circle and first stagnant water rubber circle is less than the internal diameter of wall body entrance to a cave, be provided with the steel ring between first steel sheet ring and the second steel sheet ring. The utility model discloses simple structure, installation are convenient and sealed effectual, longe-lived.
Description
Technical Field
The utility model relates to a wall seal structure technical field is worn to the balanced entry driving machine of muddy water, especially indicates the sealed stagnant water structure who is used for the balanced tunnelling construction of muddy water.
Background
The mud-water balanced pipe-jacking construction technology is a pipe-jacking construction method for balancing soil pressure and underground water pressure by using mud-water pressure, and is based on the basic principle that mud water with a certain concentration is conveyed to a digging surface by a water-conveying pump, then the water-inlet pressure is adjusted by an in-well bypass pressure adjusting valve and the rotating speed of a mud-discharging pump so as to balance underground water pressure and digging surface soil pressure, a cutter head of a heading machine is made to work under the balanced pressure as much as possible, so that ground settlement and uplift caused by instability of the digging surface can be prevented, rock soil of the digging surface is cut and crushed while jacking, crushed slag enters a mud water bin and is secondarily crushed by a cone, and the particle size of the slag is made to be less than 40 mm. However, due to the use of slurry, the sealing of the reserved hole of the working well has special requirements, and it is necessary to prevent groundwater, sand and thixotropic slurry from flowing into the working well from the gap between the pipe joint and the water stop ring, so that a water stop structure needs to be installed at the reserved hole of the working well.
Disclosure of Invention
To not enough among the above-mentioned background art, the utility model provides a sealed stagnant water structure for balanced tunnelling of muddy water is under construction has solved the current stagnant water ring that the balanced entry driving machine of muddy water used and has constructed complicacy, the installation inconvenient, the technical problem that stagnant water performance and life hang down.
The technical scheme of the utility model is realized like this: a sealed stagnant water structure for balanced tunnelling construction of muddy water, including pre-buried steel sheet ring in the wall body outside, be provided with the screw that is the annular and arranges on the pre-buried steel sheet ring, it is provided with the stay bolt to link with the screw, first steel sheet ring has set gradually between the end cap of pre-buried steel sheet ring and stay bolt and between, second steel sheet ring and third steel sheet ring, be provided with the stagnant water rubber circle of second way between first steel sheet ring and the pre-buried steel sheet ring, be provided with first stagnant water rubber circle between second steel sheet ring and the third steel sheet ring, the internal diameter of stagnant water rubber circle of second way and first stagnant water rubber circle is less than the internal diameter of wall body entrance to a cave, be provided with the steel ring between first steel sheet ring and the second steel sheet ring.
Further, the inner diameter of the first water stop rubber ring is larger than that of the second water stop rubber ring.
Further, the outer diameters of the first steel plate ring, the second steel plate ring and the third steel plate ring are all smaller than the outer diameter of the embedded steel plate ring.
Furthermore, the long bolts penetrate through the first steel plate ring, the second steel plate ring and the third steel plate ring and are arranged in two rings, and the two rings of long bolts comprise inner ring long bolts close to the inner edge of the embedded steel plate ring and outer ring long bolts close to the outer edge of the embedded steel plate ring.
Further, the steel ring is located between the inner ring long bolt and the outer ring long bolt.
Further, the steel ring comprises an inner steel ring close to the inner ring long bolt and an outer steel ring close to the outer ring long bolt, and the thickness of the inner steel ring is equal to that of the outer steel ring.
Further, the thickness of the steel ring is greater than or equal to the sum of the thicknesses of the second steel plate ring, the second water stop rubber ring and the first steel plate ring and is greater than or equal to the sum of the thicknesses of the second steel plate ring, the first water stop rubber ring and the third steel plate ring.
The utility model discloses stagnant water structure adopts the partly pre-buried, the partial assembly set up the form, can reduce the operation in the field construction, simplifies the installation and construction step, can avoid again to set up between pre-buried part and the wall body sealed, has reduced sealed face. The utility model discloses stagnant water ring structure adopts steel sheet ring centre gripping to adorn stagnant water rubber circle, presss from both sides through a plurality of steel sheet rings and steel ring and adorns double-deck stagnant water rubber circle, and two stagnant water rubber circles have different internal diameter size and interval setting in addition, and the stagnant water rubber circle of two combinations has the percentage elongation and the wearability that are greater than 300, and hardness is 45 ~ 55, and permanent deformation is not more than 10%. Use the utility model discloses the time, advance with the help of the pipeline top and drive the stagnant water rubber circle of having installed and form reverse stagnant water device.
Drawings
In order to illustrate the embodiments of the present invention more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained by those skilled in the art without inventive work.
FIG. 1 is a schematic view of the present invention in a partial cross-sectional structure;
wherein:
1. the wall body, 2, pre-buried steel sheet ring, 3, inner circle stay bolt, 4, outer lane stay bolt, 5, first steel sheet ring, 6, second steel sheet ring, 7, third steel sheet ring, 8, second stagnant water rubber circle, 9, first stagnant water rubber circle, 101, interior steel ring, 102, outer steel ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
A sealed stagnant water structure for mud-water balance tunnelling construction, as shown in figure 1, including pre-buried steel sheet ring 2 of pre-buried in the wall body 1 outside, install pre-buried steel sheet ring 2 in its one side when pouring wall body 1. For mounting the after-mounting part on the embedded steel plate ring 2 in the subsequent process.
The embedded steel plate ring 2 is provided with screw holes which are annularly arranged, the rear-mounted part comprises a long bolt which is connected with the screw holes, a first steel plate ring 5, a second steel plate ring 6 and a third steel plate ring 7 are sequentially arranged between the embedded steel plate ring 2 and an end cap of the long bolt, and the long bolt presses the first steel plate ring 5, the second steel plate ring 6 and the third steel plate ring 7 outside the embedded steel plate ring 2. The outer diameters of the first steel plate ring 5, the second steel plate ring 6 and the third steel plate ring 7 are smaller than the outer diameter of the embedded steel plate ring 2, so that the large-area installation requirement is met, the ash removal and installation are easy to dig, and the sealing surface between the embedded steel plate ring and the wall body 1 is enlarged.
A second water stop rubber ring 8 is arranged between the first steel plate ring 5 and the embedded steel plate ring 2, a first water stop rubber ring 9 is arranged between the second steel plate ring 6 and the third steel plate ring 7, and the inner diameter of the second water stop rubber ring 8 and the first water stop rubber ring 9 is smaller than that of the wall opening. The second water stop rubber ring 8 and the first water stop rubber ring 9 form a double-layer water stop structure, the inner diameter of the first water stop rubber ring 9 is larger than that of the second water stop rubber ring 8, and two water stop structures with different stresses are formed.
Further, the long bolts penetrate through the first steel plate ring 5, the second steel plate ring 6 and the third steel plate ring 7 and are arranged in two circles, and the two circles of long bolts comprise inner circle long bolts 3 close to the inner edge of the embedded steel plate ring 2 and outer circle long bolts 4 close to the outer edge of the embedded steel plate ring 2. And a steel ring is arranged between the first steel plate ring 5 and the second steel plate ring 6 and is positioned between the inner ring long bolt 3 and the outer ring long bolt 4.
The steel rings comprise an inner steel ring 101 close to the inner ring long bolt 3 and an outer steel ring 102 close to the outer ring long bolt 4, and the thicknesses of the inner steel ring 101 and the outer steel ring 102 are equal. The thickness of the steel ring is greater than or equal to the sum of the thicknesses of the second steel plate ring 6, the second water stop rubber ring 8 and the first steel plate ring 5 and is greater than or equal to the sum of the thicknesses of the second steel plate ring 6, the first water stop rubber ring 9 and the third steel plate ring 7. A buffer space is constructed between the first water stop rubber ring 9 and the second water stop rubber ring 8 through a steel ring, and grease sealing or air sealing can be formed.
The present invention is not exhaustive and is well known to those skilled in the art.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A sealed stagnant water structure for balanced tunnelling of muddy water, its characterized in that: the water-stopping rubber sealing structure comprises an embedded steel plate ring (2) embedded outside a wall body (1), screw holes arranged in an annular mode are formed in the embedded steel plate ring (2), long bolts are arranged to be connected with the screw holes, a first steel plate ring (5), a second steel plate ring (6) and a third steel plate ring (7) are sequentially arranged between end caps of the embedded steel plate ring (2) and the long bolts, a second water-stopping rubber ring (8) is arranged between the first steel plate ring (5) and the embedded steel plate ring (2), a first water-stopping rubber ring (9) is arranged between the second steel plate ring (6) and the third steel plate ring (7), the inner diameters of the second water-stopping rubber ring (8) and the first water-stopping rubber ring (9) are smaller than that of a wall body opening, and a steel ring is arranged between the first steel plate ring (5) and the second steel plate ring (6).
2. The sealing and water stopping structure for muddy water balanced excavation construction according to claim 1, characterized in that: the inner diameter of the first water stopping rubber ring (9) is larger than that of the second water stopping rubber ring (8).
3. The sealing and water stopping structure for muddy water balanced excavation construction according to claim 2, characterized in that: the outer diameters of the first steel plate ring (5), the second steel plate ring (6) and the third steel plate ring (7) are all smaller than the outer diameter of the embedded steel plate ring (2).
4. The sealing and water stopping structure for muddy water balanced excavation construction according to any one of claims 1 to 3, characterized in that: the long bolts penetrate through the first steel plate ring (5), the second steel plate ring (6) and the third steel plate ring (7) and are arranged in two circles, and the two circles of long bolts comprise inner circle long bolts (3) close to the inner edge of the embedded steel plate ring (2) and outer circle long bolts (4) close to the outer edge of the embedded steel plate ring (2).
5. The sealing and water stopping structure for muddy water balanced excavation construction according to claim 4, characterized in that: the steel ring is positioned between the inner ring long bolt (3) and the outer ring long bolt (4).
6. The sealing and water stopping structure for muddy water balanced excavation construction according to claim 5, characterized in that: the steel ring comprises an inner steel ring (101) close to the inner ring long bolt (3) and an outer steel ring (102) close to the outer ring long bolt (4), and the thicknesses of the inner steel ring (101) and the outer steel ring (102) are equal.
7. The sealing and water stopping structure for muddy water balanced excavation construction according to any one of claims 1 to 3, 5 to 6, characterized in that: the thickness of the steel ring is greater than or equal to the sum of the thicknesses of the second steel plate ring (6), the second water stop rubber ring (8) and the first steel plate ring (5) and greater than or equal to the sum of the thicknesses of the second steel plate ring (6), the first water stop rubber ring (9) and the third steel plate ring (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121762905.4U CN214887126U (en) | 2021-07-30 | 2021-07-30 | A sealed stagnant water structure for muddy water balance tunnelling construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121762905.4U CN214887126U (en) | 2021-07-30 | 2021-07-30 | A sealed stagnant water structure for muddy water balance tunnelling construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214887126U true CN214887126U (en) | 2021-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121762905.4U Active CN214887126U (en) | 2021-07-30 | 2021-07-30 | A sealed stagnant water structure for muddy water balance tunnelling construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214887126U (en) |
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2021
- 2021-07-30 CN CN202121762905.4U patent/CN214887126U/en active Active
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