CN219692439U - Anti-leakage plugging structure for pipe jacking construction - Google Patents
Anti-leakage plugging structure for pipe jacking construction Download PDFInfo
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- CN219692439U CN219692439U CN202320917727.0U CN202320917727U CN219692439U CN 219692439 U CN219692439 U CN 219692439U CN 202320917727 U CN202320917727 U CN 202320917727U CN 219692439 U CN219692439 U CN 219692439U
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- jacking
- pipe
- face
- push pipe
- pipeline
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- 238000010276 construction Methods 0.000 title claims abstract description 21
- 230000000903 blocking effect Effects 0.000 claims abstract description 27
- 239000004744 fabric Substances 0.000 claims abstract description 26
- 239000002689 soil Substances 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 10
- 239000000956 alloy Substances 0.000 claims description 6
- 230000005641 tunneling Effects 0.000 claims description 6
- 229910045601 alloy Inorganic materials 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 5
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 229910001069 Ti alloy Inorganic materials 0.000 claims 1
- 230000006978 adaptation Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 12
- 239000004576 sand Substances 0.000 abstract description 8
- 239000010410 layer Substances 0.000 description 13
- 238000009412 basement excavation Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000003673 groundwater Substances 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Abstract
The utility model provides a push pipe construction antiseep plugging structure, including plugging device, push pipe pipeline and jack-in face, the jack-in face is reserved there is push pipe exit face on, plugging device includes push ring and extension blocking face, the extension blocking face is trapezoidal bucket form, after plugging device inserts by push pipe exit face towards push pipe pipeline's direction, push ring supports and leans on the push pipe exit face, in the continuous jack-in of push pipe pipeline to jack-in face until the in-process of crossing push pipe exit face, the extension blocking face is laminated on the lateral surface of push pipe pipeline all the time; the stretching blocking surface comprises connecting strips and waterproof curtain cloth which surrounds the connecting strips to form a trapezoid barrel shape, the connecting strips are uniformly arranged in a radial shape and are connected with the waterproof curtain cloth, and the top ends of the connecting strips are provided with pointed ends for being inserted into soil layers. The pipe jacking pipeline has the functions of preventing leakage and blocking when the pipe jacking pipeline passes through the pipe jacking outlet surface, prevents sand and muddy water from entering a foundation pit or a receiving well, and has the advantages of simple structure, low cost and easy implementation and popularization.
Description
Technical Field
The utility model relates to the technical field of construction, in particular to an anti-leakage plugging structure for pipe jacking construction.
Background
The pipe jacking engineering is a non-excavation construction process, which adopts a non-excavation surface layer to enable a pipe jacking pipe to be paved in underground tunneling through auxiliary equipment (such as an oil cylinder and the like), and a pipeline can pass through roads, railways, river, ground buildings, underground structures, various underground pipelines and the like, and can be widely applied to non-excavation and pavement of pipelines such as urban underground water supply and drainage pipelines, natural gas, petroleum pipelines, communication cables and the like. The pipe jacking engineering often needs to be perpendicular to the ground to make a working well, a pipe jacking pipeline is pushed into a receiving well from the working well through a soil layer, the well walls of the working well and the receiving well are generally reinforced by concrete, reserved holes are arranged at corresponding positions of the receiving well, and the pipe jacking pipeline penetrates out of the reserved holes. However, if the water content of the soil layer at the construction position is higher, abundant groundwater exists around the pipe jacking when pipe jacking construction is carried out in the water-rich stratum, and when the pipe jacking pipeline is penetrated through the wall of the receiving well, a large amount of groundwater enters the receiving well along with the gap between the pipe jacking and the reserved hole, and the seepage water continuously flows out to bring out fine sand particles under the ground, so that the ground collapse risk is caused, and the later plugging and sealing are also not facilitated.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides the pipe jacking construction anti-leakage plugging structure which can effectively prevent muddy water from leaking from a tunneling gap when a jacking pipeline passes through a jacking surface of a receiving well or a foundation pit, and has the advantages of simple structure and simple operation and implementation.
The utility model is realized by the following technical scheme:
the utility model provides a push pipe construction antiseep shutoff structure, is used for the push pipe pipeline to advance the face to advance when the face tunnelling through the face of advancing towards the top, prevents silt and water in the push pipe process from leaking out by push pipe position department, including plugging device, push pipe pipeline and top advance the face, push pipe pipeline advances towards the top advance face under push pipe drive, the top advance face is just reserved in the position department of push pipe pipeline has the push pipe exit face, and the top advance face is according to engineering actual be vertical face, horizontal plane or with other regular face or irregular face, like side of foundation ditch or receiving well etc. the top advance face sets up the closing door generally, is favorable to the wearing out of push pipe pipeline; the plugging device comprises a jacking ring and an extension blocking surface, wherein the extension blocking surface is used for preventing leakage, the extension blocking surface is in a trapezoid barrel shape, a large opening in the trapezoid barrel shape is connected with the jacking ring, a small opening in the trapezoid barrel shape can be outwards extended, the small opening in the trapezoid barrel shape is matched with the outer diameter of the jacking pipe after being extended, when the jacking pipe is positioned at a position close to the jacking surface, the plugging device is inserted from the direction of the jacking pipe outlet to the jacking pipe, the jacking ring is abutted against the jacking pipe outlet surface, the inner side surface of the small opening of the extension blocking surface is attached to the outer wall of the jacking pipe to play the role of preventing leakage plugging, and the extension blocking surface is always attached to the outer wall of the jacking pipe in the process of continuously jacking the jacking pipe until penetrating through the outlet surface, so that muddy water generated in the tunneling process of the jacking pipe can be prevented from seeping out along with the jacking pipe from the outlet surface.
The further optimized technical scheme is that the extension blocking surface comprises connecting strips and waterproof curtain cloth, the waterproof curtain cloth is wound into a trapezoid barrel shape connected with the top pressure ring, a plurality of connecting strips are connected with the waterproof curtain cloth and are uniformly arranged in a radial mode along the side face of the trapezoid barrel shape, one end of each connecting strip is connected with the top pressure ring, and the other end of each connecting strip is provided with a tip for being inserted into a soil layer.
The further optimized technical scheme is that the waterproof curtain cloth is PVC waterproof cloth or waterproof rubber cloth, is used for preventing water and leakage, and has certain ductility.
The further optimized technical scheme is that the connecting strip is a steel strip or an alloy strip, such as aluminum alloy and the like, and has good rebound resilience and ductility.
The further optimized technical proposal is that the connecting strip is connected to the outer side surface of the waterproof curtain cloth, and the tip of the connecting strip extends out of the waterproof curtain cloth, thereby being convenient to be inserted into a sandy soil layer.
The further optimized technical scheme is that the connecting strip is in a rectangular strip shape, and the tip end of the connecting strip is a wedge-shaped surface.
The further optimized technical scheme is that the bottom of the jacking ring, which is close to one side of the stretching blocking surface, is provided with a waterproof gasket for preventing leakage when the jacking ring is in contact with the outlet surface of the jacking pipe.
The further optimized technical scheme is that the jacking ring is in a plane ring shape and is used for applying force to the plugging device through the jacking ring and covering and plugging the plugging device on the outlet surface of the jacking pipe, the inner diameter of the jacking ring is matched with the large opening of the stretching blocking surface, the outer diameter of the jacking ring is larger than the outlet surface of the jacking pipe, and the outlet surface of the jacking pipe can be completely covered to improve the plugging effect.
According to the further optimized technical scheme, the jacking ring is provided with a fixing hole for fixing the plugging device on the jacking surface.
The further optimized technical scheme is that the jacking surface is a concrete surface, and the outlet surface of the jacking pipe is a sand surface.
According to the utility model, when the jacking pipeline is about to reach the jacking surface of the receiving well or the foundation pit, the plugging device is inserted into the jacking surface, and the anti-leakage plugging structure can form an interface capable of blocking sand and penetrating water between the tunneling soil layer and the jacking pipe outlet surface, so that the anti-leakage plugging effect is achieved when the jacking pipeline passes through the jacking pipe outlet surface, and sand and muddy water are prevented from entering the foundation pit or the receiving well; the plugging device comprises a jacking ring and an extension blocking surface, has simple structure and low cost, is easy to implement and popularize, and is simple and easy to operate in the plugging process.
Drawings
Fig. 1 is a schematic view of a part of a structure of an embodiment of the present utility model.
Fig. 2 is a schematic structural diagram of an embodiment of the present utility model.
Fig. 3 is a schematic structural diagram of another working state according to an embodiment of the present utility model.
Fig. 4 is a schematic cross-sectional view of an occluding device in accordance with an embodiment of the present utility model.
Fig. 5 is a schematic structural view of an occlusion device according to an embodiment of the present utility model.
Fig. 6 is a schematic side view of fig. 5.
Reference numerals: 1-jacking surface; 2-a top pipe outlet face; 3-jacking pipe; 4-sandy soil layer; 5-a plugging device; 51-a pressing ring; 52-stretching the blocking surface; 53-waterproof gasket; 54-fixing holes; 55-fixing bolts; 521-waterproof curtain cloth; 522-connecting bars; 5221-tip.
Detailed Description
The utility model provides a push pipe construction antiseep shutoff structure, is used for push pipe pipeline 3 to advance face 1 tunnelling and passes when advancing face 1, prevents that silt and the infiltration water in the sand layer 4 of push pipe in-process from leaking out by push pipe position department, and this antiseep shutoff structure includes plugging device 5, push pipe pipeline 3 and face 1, as shown in fig. 1, push pipe pipeline 3 is under push pipe drive (like the pneumatic cylinder) push to advance face 1 tunnelling, push pipe outlet face 2 has been reserved to the position department of push pipe pipeline 3 in face 1, and face 1 is generally set up in receiving well or foundation ditch, and face 1 is according to engineering actual be vertical face, horizontal plane or with other regular or irregular faces such as the side of foundation ditch or receiving well etc. push pipe outlet face 2 can be ordinary sand soil face, and its plane size should be greater than the bore of push pipe pipeline 3.
As shown in fig. 2, the plugging device 5 includes a pressing ring 51 and an expansion blocking surface 52, the expansion blocking surface 52 for preventing leakage is in a trapezoid barrel shape, a large opening of the trapezoid barrel shape is connected with the pressing ring 51, a small opening of the trapezoid barrel shape can be outwards expanded, the small opening of the trapezoid barrel shape is matched with the outer diameter of the jacking pipe 3 after being expanded, when the jacking pipe 3 is located at a position close to the jacking surface 1, the plugging device 5 is inserted from the jacking pipe outlet surface 2 to the direction of the jacking pipe 3, the pressing ring 51 abuts against the jacking pipe outlet surface 2, the inner side surface of the small opening of the expansion blocking surface 52 abuts against the outer wall of the jacking pipe 3, and the plugging effect for preventing leakage is achieved, as shown in fig. 3, in the process that the jacking pipe 3 continues to jack up to the jacking surface 1 until penetrating through the jacking pipe outlet surface 3, the expansion blocking surface 52 is always attached to the outer wall of the jacking pipe 3, and thus the leakage of a gap between the jacking pipe 3 and the jacking pipe 3 can be avoided in the process of the jacking pipe 3.
As one embodiment, as shown in fig. 3, the top pressing ring 51 is in a planar ring shape, and is used for applying force to the plugging device 5 through the top pressing ring 51 and covering and plugging on the top pipe outlet surface 2, so as to play a role in plugging, the inner diameter of the top pressing ring 51 is matched with the large opening of the expansion blocking surface 52, and the outer diameter of the top pressing ring is larger than that of the top pipe outlet surface 2, so that the top pipe outlet surface 2 can be completely covered, and the plugging effect is improved.
In this embodiment, as shown in fig. 3 and fig. 4, a waterproof gasket 53, such as a rubber sealing ring, is disposed at the bottom of the side of the push ring 51 near the expansion blocking surface 52, so as to further prevent leakage when the push ring 51 contacts with the push pipe outlet surface 2. The jacking ring 51 is further provided with fixing holes 54 for fixing the plugging device 5 to the jacking surface 1 by fixing bolts 55.
The stretching blocking surface 52 mainly functions to form an interface between the tunneling soil layer and the top pipe outlet surface 2, and at the same time, the interface can have a certain rigidity so as to be inserted into the soil layer, as one implementation manner, as shown in fig. 5 and 6, the stretching blocking surface 52 includes a connecting strip 522 and a waterproof curtain fabric 521, the waterproof curtain fabric 521 is wound into a trapezoid barrel shape connected with the top pressure ring 51, a plurality of connecting strips 522 are connected with the waterproof curtain fabric 521 and uniformly arranged in a radial shape along the side surface of the trapezoid barrel shape, one end of each connecting strip 522 is connected with the top pressure ring 51, and the other end of each connecting strip 522 has a tip 5221 for being inserted into the sandy soil layer 4. In this embodiment, the connecting strip 522 is connected to the outer side of the waterproof curtain 521, and can be fixed by adhesive or binding tape, and the tip 5221 of the connecting strip 522 extends out of the waterproof curtain 521.
As one embodiment, the waterproof curtain cloth 521 is a PVC waterproof cloth or a waterproof rubber cloth, which has a certain strength and extensibility in addition to a good waterproof property, and can withstand the friction force of inserting into the sand layer 4, and can also be stretched and attached to the outer wall of the pipe jacking pipeline 3 to form a waterproof layer.
The connecting strips 522 are steel strips or alloy strips, and the alloy strips can be aluminum alloy materials, which have good rebound resilience and ductility, can be outwards expanded along with the waterproof curtain cloth 521, and have certain strength to be inserted into the sandy soil layer 4. The connecting bar 522 has a rectangular bar shape or a round bar shape, and the tip 5221 thereof has a wedge shape or a needle tip shape.
The foregoing detailed description is directed to embodiments of the utility model which are not intended to limit the scope of the utility model, but rather to cover all modifications and variations within the scope of the utility model.
Claims (10)
1. The utility model provides a push pipe construction antiseep plugging structure, its characterized in that includes plugging device, push pipe pipeline and jacking face, push pipe pipeline is used for pushing forward under push pipe drive the jacking face, the jacking face just has reserved the push pipe exit face to the position department of push pipe pipeline, plugging device includes the roof pressure ring and extends and stop the face, is used for antiseep the extension is blockked and is personally submitted trapezoidal bucket shape, trapezoidal bucket form's large mouth with the roof pressure ring links to each other, and trapezoidal bucket form's inlet is outwards stretched, and trapezoidal bucket form's inlet stretch back with the external diameter looks adaptation of push pipe pipeline, when push pipe pipeline is located the position department that is close to the jacking face, plugging device by push pipe exit face is inserted the back towards push pipe pipeline's direction, the roof pressure ring is supported and is leaned on the push pipe exit face, extend and stop the face and laminate on the outer wall of push pipe pipeline in the pipeline continue to the jacking face tunneling until the in-process that passes the push pipe exit face, extend and stop the face and laminate on the outer wall of pipeline all the time, play antiseep shutoff effect.
2. The pipe jacking construction anti-seepage plugging structure according to claim 1, wherein the extension blocking surface comprises connecting strips and waterproof curtain cloth, the waterproof curtain cloth is wound into a trapezoid barrel shape connected with the jacking ring, a plurality of connecting strips are connected with the waterproof curtain cloth and are uniformly arranged in a radial mode along the side face of the trapezoid barrel shape, one end of each connecting strip is connected with the jacking ring, and the other end of each connecting strip is provided with a tip for being inserted into a soil layer.
3. The pipe jacking construction anti-seepage plugging structure according to claim 2, wherein the waterproof curtain cloth is PVC waterproof cloth or waterproof rubber cloth.
4. The pipe jacking construction anti-leakage plugging structure according to claim 2, wherein the connecting strip is a steel strip or an alloy strip, and the alloy strip is an aluminum alloy or a titanium alloy.
5. The pipe jacking construction anti-seepage plugging structure according to claim 2, wherein the connecting strip is connected to the outer side surface of the waterproof curtain cloth, and the tip of the connecting strip extends out of the waterproof curtain cloth.
6. The pipe jacking construction anti-seepage plugging structure according to claim 2, wherein the connecting strip is in a rectangular strip shape, and the tip end of the connecting strip is a wedge-shaped surface.
7. The pipe jacking construction anti-leakage plugging structure according to claim 1, wherein a waterproof gasket is arranged at the bottom of one side of the jacking ring, which is close to the stretching blocking surface, and is used for preventing leakage when the jacking ring is in contact with the pipe jacking outlet surface.
8. The anti-seepage plugging structure for pipe jacking construction according to claim 1, wherein the jacking ring is in a plane ring shape and is used for applying force to the plugging device through the jacking ring and covering and plugging the plugging device on the pipe jacking outlet surface, the inner diameter of the jacking ring is matched with the large opening of the stretching blocking surface, and the outer diameter of the jacking ring is larger than the pipe jacking outlet surface.
9. The pipe jacking construction anti-seepage plugging structure according to claim 1, wherein the jacking ring is provided with a fixing hole for fixing the plugging device on the jacking surface.
10. The pipe jacking construction anti-seepage plugging structure according to claim 1, wherein the jacking surface is a concrete surface, and the pipe jacking outlet surface is a sandy soil surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320917727.0U CN219692439U (en) | 2023-04-20 | 2023-04-20 | Anti-leakage plugging structure for pipe jacking construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320917727.0U CN219692439U (en) | 2023-04-20 | 2023-04-20 | Anti-leakage plugging structure for pipe jacking construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219692439U true CN219692439U (en) | 2023-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320917727.0U Active CN219692439U (en) | 2023-04-20 | 2023-04-20 | Anti-leakage plugging structure for pipe jacking construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219692439U (en) |
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2023
- 2023-04-20 CN CN202320917727.0U patent/CN219692439U/en active Active
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