CN216586673U - Immersed tube sinking installation manhole channel - Google Patents
Immersed tube sinking installation manhole channel Download PDFInfo
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- CN216586673U CN216586673U CN202123235559.7U CN202123235559U CN216586673U CN 216586673 U CN216586673 U CN 216586673U CN 202123235559 U CN202123235559 U CN 202123235559U CN 216586673 U CN216586673 U CN 216586673U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
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Abstract
The utility model discloses a manhole channel for sink mounting of a sink pipe, which is arranged on an end sealing door of a stern of the sink pipe and comprises a manhole, a pedestrian pipeline, a platform, a supporting structure and a sealing structure; the manhole is arranged on the end sealing door, the pedestrian pipeline is L-shaped, the lower end of the pedestrian pipeline is connected with the manhole, the upper end of the pedestrian pipeline is connected with the platform, and crawling ladders are arranged in the pedestrian pipeline and on the outer wall of the pedestrian pipeline; the support structure is connected with the immersed tube and the pedestrian pipeline, and the sealing structure is arranged on an end sealing door at the joint of the manhole and the lower end of the pedestrian pipeline. The manhole channel arrangement avoids pre-embedding of a manhole base, reduces the using amount of reinforcing steel bars, shortens the prefabrication period of the immersed tube, has smaller construction strength, is convenient to control the manhole plugging quality, and improves the construction quality of the immersed tube; the height of the manhole channel can be adjusted according to needs, and the applicability and the use convenience of the manhole channel are improved.
Description
Technical Field
The utility model relates to the technical field of immersed tube tunnel engineering, in particular to a manhole channel for immersed tube installation.
Background
In the immersed tube sinking installation engineering, a manhole channel needs to be arranged for personnel to enter the immersed tube for operation. At present, manholes are generally arranged on the top surface of a immersed tube, and the specific method comprises the following steps: when the immersed tube is prefabricated, the manhole base is embedded on the top surface of the immersed tube, the top surface of the manhole base is a flange plate, and the manhole channel tube is connected with the embedded manhole base through the flange plate. The manhole channel pipe is fixed in the middle of the measuring tower, and the top end of the manhole channel pipe is flush with the operating platform of the measuring tower. When the immersed tube is immersed and installed, an operator enters the immersed tube from the manhole channel. After the immersed tube is sunk and installed, a hole sealing bottom plate is welded to the bottom of a manhole base, a hole sealing steel reinforcement cage is installed, hole sealing concrete is poured, a hole sealing top plate is welded, and finally a manhole channel is removed. The manhole base needs to be pre-embedded in the manhole channel setting method, so that the using amount of steel bars is large, the engineering quantity is large, and the prefabrication period of the immersed tube is long; the manhole concreting and the sealing plate are welded in a limited space, the concrete pouring and welding quality requirements are high, the control difficulty is high, the sealing is difficult, and the manhole sealing has leakage risk; the measuring tower can be dismantled only after the manhole is plugged, so that the construction period is long; the height of the manhole channel is limited by the height of the operating platform of the measuring tower, and the adjustment difficulty is high; the existing manhole channel setting method cannot well meet the requirements of improving the installation quality of the immersed tube, reducing the construction strength and improving the economy.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems that in the prior art, the manhole setting work amount is large, the manhole plugging difficulty is large, the height of the manhole channel is not easy to adjust, the construction difficulty is large, and the construction period is long in the arrangement of the manhole channel, and provides a manhole channel for sinking and installing a immersed tube.
In order to realize the purpose of the utility model, the utility model provides the following technical scheme:
a manhole channel for sinking and installing a immersed tube is arranged on an end sealing door of a stern of the immersed tube and comprises a manhole, a pedestrian pipeline, a platform, a supporting structure and a sealing structure;
the manhole is arranged on the end sealing door and is used for communicating the pedestrian pipeline with the interior of the immersed tube;
the pedestrian pipeline is L-shaped, the lower end of the pedestrian pipeline is connected with the manhole, the upper end of the pedestrian pipeline is connected with the platform, and crawling ladders are arranged in the pedestrian pipeline and on the outer wall of the pedestrian pipeline;
the supporting structure is used for connecting the immersed tube with the pedestrian pipeline and supporting and tensioning the pedestrian pipeline;
the sealing structure is arranged at the joint of the manhole and the lower end of the pedestrian pipeline and used for sealing the manhole after the manhole channel is detached.
The manhole channel is installed on the end sealing door of the immersed tube stern in an immersed tube sinking mode, the flange plate is used for connecting and stopping the manhole channel, the supporting structure is used for supporting and fixing the manhole channel, the watertight door is used for sealing the manhole, and the arrangement and the sealing of the manhole channel are achieved. The manhole channel setting method avoids the pre-embedding of a manhole base on the immersed tube concrete structure, reduces the using amount of reinforcing steel bars and shortens the prefabrication period of the immersed tube; the manhole is sealed by the watertight door, so that the manhole is prevented from being plugged in a limited space, the construction strength is low, the manhole plugging quality is convenient to control, the manhole is prevented from being plugged by concrete, the risk of manhole plugging leakage is eliminated, and the construction quality of the immersed tube is improved; the measuring tower can be disassembled after the immersed tube is installed, so that the construction period is shortened; the height of the manhole channel can be adjusted according to the requirement, so that the problem that the height of the manhole channel is too high or insufficient is avoided, and the applicability and the use convenience of the manhole channel are improved; the method for arranging the manhole channel for sinking and installing the immersed tube is convenient to construct, good in construction effect, strong in adaptability and high in economy.
Further, the pedestrian pipeline is connected with the manhole through a flange plate. Furthermore, a flange base is arranged on the end sealing door, and the center of the flange base is parallel to the center of the manhole.
Further, a bottom supporting plate is arranged at the bottom of the flange plate. In the process of constructing a manhole channel, the pedestrian pipeline is connected with the manhole, the bottom supporting plate is used for positioning the pedestrian pipeline, and the flange plate is vertically supported.
Further, the pedestrian pipeline comprises a square pedestrian pipeline and a round pedestrian pipeline, the lower end of the square pedestrian pipeline is connected with the manhole, the upper end of the square pedestrian pipeline is connected with the lower end of the round pedestrian pipeline, and the upper end of the round pedestrian pipeline is connected with the platform. Furthermore, the square pedestrian pipeline and the round pedestrian pipeline are connected through a flange plate.
Further, circular pedestrian pipeline includes interconnect's first circular pedestrian pipeline and the circular pedestrian pipeline of second, the circular pedestrian pipeline of second is located above the first circular pedestrian pipeline, divide into two sections with circular pedestrian pipeline and set up the height that conveniently adjusts the manhole passageway, can change according to the demand in the simultaneous construction process the height of manhole passageway.
Furthermore, bearing structure is the telescopic link, and the length is conveniently adjusted in the use to the telescopic link, can effectively play the support the effect of people's bank of china pipeline.
Further, the supporting structure comprises a bottom supporting rod and a longitudinal supporting rod, the bottom supporting rod is used for vertically and longitudinally supporting and tensioning the manhole pipeline, one end of the bottom supporting rod is fixed at the bottom of the pedestrian pipeline, and the other end of the bottom supporting rod is fixed at a steel end shell of the immersed tube and is used for vertically supporting and tensioning the pedestrian pipeline below the manhole channel; one end of the longitudinal support rod is fixed on the outer wall of the upper part of the pedestrian pipeline, and the other end of the longitudinal support rod is fixed on the top surface of the immersed tube and used for supporting and tensioning the pedestrian pipeline in the longitudinal direction of the manhole channel. The steel end shell is arranged at the stern of the pipe and is used as a pressure welding surface of a water stop belt when the immersed pipe is in butt joint.
Furthermore, the number of the bottom supporting rods is two, and the two bottom supporting rods are symmetrically arranged along the pedestrian pipeline in the transverse direction of the immersed tube; the number of the longitudinal supporting rods is one, and the longitudinal supporting rods are arranged along the center of the pedestrian pipeline in the longitudinal direction of the immersed tube. In the utility model, the longitudinal direction of the immersed tube refers to the length direction of the immersed tube, and the transverse direction of the immersed tube refers to the width direction of the immersed tube.
Further, the manhole channel further comprises a drawing structure, wherein the drawing structure is connected with the top surface of the immersed tube and the pedestrian pipeline and used for drawing the pedestrian pipeline. Still further, the pulling structure is a steel wire rope.
Furthermore, the traction structure comprises a longitudinal steel wire rope and two transverse steel wire ropes, the longitudinal steel wire rope is longitudinally connected with the top surface of the immersed tube and the pedestrian pipeline along the immersed tube, and the longitudinal steel wire rope is superposed with the center of the pedestrian pipeline and used for tensioning the pedestrian pipeline in the longitudinal direction of the immersed tube; the transverse steel wire ropes are transversely connected with the top surface of the immersed tube and the pedestrian pipeline along the immersed tube, and the two transverse steel wire ropes are symmetrically arranged along the pedestrian pipeline and are used for symmetrically tensioning the pedestrian pipeline in the transverse direction of the immersed tube.
Furthermore, a ladder stand is arranged in the pedestrian pipeline and is used for personnel to enter and exit the immersed tube from the platform; the outer wall of the pedestrian pipeline is provided with two crawling ladders, and personnel can go up and down the platform simultaneously.
Further, the sealing structure is a watertight door, and the center of the watertight door is coincided with the center of the manhole. The manhole can be sealed by tightening the watertight door closing mechanism, and after the manhole channel is removed, the watertight door can be pressed by water pressure to seal the manhole. The manhole is sealed by the watertight door more conveniently and quickly.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the manhole channel is arranged on the end sealing door of the immersed tube, and the manhole can be constructed before water is injected into the immersed tube prefabricated dry dock in the manufacturing process of the end sealing door, so that the manhole base is prevented from being pre-embedded on the immersed tube concrete structure, the using amount of steel bars is reduced, and the prefabrication period of the immersed tube is shortened.
2. According to the utility model, the manhole is sealed by the watertight door, so that the manhole is prevented from being plugged in a limited space, the construction strength is low, the manhole plugging quality is convenient to control, the manhole is prevented from being plugged by concrete, the risk of manhole plugging leakage is eliminated, and the construction quality of the immersed tube is improved; the measuring tower can be disassembled after the immersed tube is installed, so that the construction period is shortened; the height of the manhole channel can be adjusted according to needs, the problem that the height of the manhole channel is too high or not enough is avoided, and the applicability and the use convenience of the manhole channel are improved.
3. The method for setting the manhole channel for sinking and installing the immersed tube is convenient to construct, good in construction effect, strong in adaptability and high in economy.
Drawings
Fig. 1 is a front view of a manhole channel for immersed tube sinking installation according to the present invention;
fig. 2 is a top view of a manhole channel for sink pipe sinking installation of the present invention;
fig. 3 is a sectional view a-a of a manhole channel for sink pipe sinking installation according to the present invention;
fig. 4 is a B-B sectional view of a manhole channel for sink pipe sinking installation according to the present invention;
the labels in the figure are: 1-immersed tube, 2-manhole, 3-pedestrian pipeline, 31-square pedestrian pipeline, 32-round pedestrian pipeline, 32A-first round pedestrian pipeline, 32B-second round pedestrian pipeline, 4-end sealing door, 5-platform, 6-sealing structure, 7-ladder, 8-flange plate, 9-flange base, 10-bottom support rod, 11-longitudinal support rod, 12-longitudinal steel wire rope, 13-transverse steel wire rope, 14-bottom support plate and 15-steel end shell.
Detailed Description
The present invention will be described in further detail with reference to test examples and specific embodiments. It should be understood that the scope of the above-described subject matter is not limited to the following examples, and any techniques implemented based on the disclosure of the present invention are within the scope of the present invention.
Example 1
As shown in fig. 1-4, a manhole channel for immersed tube sinking installation is arranged on an end sealing door 4 of a tube stern of an immersed tube 1, and comprises a manhole 2, a pedestrian pipeline 3, a platform 5, a supporting structure and a sealing structure 6;
the manhole 2 is arranged on the end sealing door 4 and is used for communicating the pedestrian pipeline 3 with the interior of the immersed tube 1;
the pedestrian pipeline 3 is L-shaped, the lower end of the pedestrian pipeline 3 is connected with the manhole 2, the upper end platform 5 of the pedestrian pipeline 3 is connected, and the inner part of the pedestrian pipeline 3 and the outer wall of the pedestrian pipeline 3 are provided with the crawling ladder 7;
the supporting structure is connected with the immersed tube 1 and the pedestrian pipeline 3 and is used for supporting and tensioning the pedestrian pipeline 3;
According to the utility model, the manhole channel is arranged on the end sealing door of the immersed tube, and the manhole can be constructed before water is injected into the immersed tube prefabricated dry dock in the manufacturing process of the end sealing door, so that the manhole base is prevented from being pre-embedded on the immersed tube concrete structure, the using amount of steel bars is reduced, and the prefabrication period of the immersed tube is shortened.
In this embodiment, the pedestrian pipeline 3 is connected with the manhole 2 through a flange plate 8, a flange base 9 is arranged on the end sealing door 4, the flange base 9 is welded on the end sealing door 4, and the center of the flange base 9 is parallel to the center of the manhole 2. In some embodiments, the bottom of the flange 8 is provided with a backing plate 14. In construction manhole passageway in-process, when connecting people's bank of china pipeline 3 and manhole 2, adopt bottom fagging 14 to carry out people's bank of china pipeline 3 location, bottom fagging 14 set up also can vertical support ring flange 8.
In some embodiments, the pedestrian duct 3 includes a square pedestrian duct 31 and a circular pedestrian duct 32, the square pedestrian duct 31 is connected to the manhole 2 at a lower end thereof, and connected to the circular pedestrian duct 32 at an upper end thereof, and the circular pedestrian duct 32 is connected to the platform 5 at an upper end thereof. Further, the square pedestrian duct 31 and the circular pedestrian duct 32 are connected by a flange.
In some embodiments, the circular pedestrian pipeline 32 includes a first circular pedestrian pipeline 32A and a second circular pedestrian pipeline 32B connected to each other, the second circular pedestrian pipeline 32B is located above the first circular pedestrian pipeline 32A, the circular pedestrian pipeline 32 is divided into two sections, the height of the manhole channel is convenient to adjust, the first circular pedestrian pipeline 32A can be connected with the platform 5 to achieve ascending and descending of personnel, and meanwhile the height of the manhole channel can be changed according to requirements in the construction process. By adopting the mode, the height of the manhole channel can be adjusted according to the requirement, the phenomenon that the height of the manhole channel is too high or not enough is avoided, and the applicability and the use convenience of the manhole channel are improved.
In some embodiments, the supporting structure is a telescopic rod, the length of the telescopic rod can be conveniently adjusted in the using process, and the pedestrian pipeline can be effectively supported. Furthermore, the supporting structure comprises a bottom supporting rod 10 and a longitudinal supporting rod 11 for vertically and longitudinally supporting and tensioning the pedestrian pipeline 3, wherein one end of the bottom supporting rod 10 is fixed at the bottom of the pedestrian pipeline, and the other end of the bottom supporting rod is fixed at a steel end shell 15 of the immersed tube 1 for vertically supporting and tensioning the pedestrian pipeline 3 below the manhole channel; one end of a longitudinal support rod 11 is fixed on the outer wall of the upper part of the connecting pedestrian pipeline 3, and the other end of the longitudinal support rod is fixed on the top surface of the immersed tube 1 and is used for supporting and tensioning the pedestrian pipeline 3 in the longitudinal direction of the manhole channel. Wherein, the steel end shell 15 is arranged at the stern of the immersed tube 1 and is used as a pressure welding surface of a water stop belt when the immersed tube 1 is butted
In some embodiments, there are two bottom support rods 10, and the two bottom support rods 10 are symmetrically arranged along the pedestrian pipeline in the transverse direction of the sinking tube 1; one longitudinal support rod 11 is arranged, and the longitudinal support rod 11 is arranged along the center of the pedestrian pipeline in the longitudinal direction of the immersed tube 1. It should be noted that the longitudinal direction of the sinking tube refers to the length direction of the sinking tube 1, and the transverse direction of the sinking tube refers to the width direction of the sinking tube 1.
In some embodiments the manhole shaft further comprises a pulling structure connecting the top surface of the immersed tube 1 and the manway 3 for pulling the manway 3. Further, the pulling structure is a steel wire rope. In some embodiments, the pulling structure comprises a longitudinal steel wire rope 12 and two transverse steel wire ropes 13, the longitudinal steel wire rope 12 connects the top surface of the immersed tube 1 and the pedestrian pipeline 3 along the longitudinal direction of the immersed tube, the longitudinal steel wire rope 12 is arranged at the center of the pedestrian pipeline 3 and is used for tensioning the pedestrian pipeline 3 in the longitudinal direction of the immersed tube; the horizontal steel wire ropes 13 are transversely connected with the top surface of the immersed tube 1 and the pedestrian pipeline 3 along the immersed tube, and the two horizontal steel wire ropes 13 are symmetrically arranged along the pedestrian pipeline 3 and used for symmetrically tensioning the pedestrian pipeline 3 in the transverse direction of the immersed tube.
In some embodiments, a ladder stand 7 is arranged in the pedestrian pipeline 3 and used for people to enter and exit the sinking pipe 1 from the platform 5, and two ladder stands 7 are arranged on the outer wall of the pedestrian pipeline 3 and used for people to get on and off the platform 5 at the same time.
In some embodiments, the sealing structure 6 is a watertight door, the centre of which coincides with the centre of the manhole 2, the watertight door comprising: watertight door base, the door body, rubber waterstop and watertight door closing mechanism. Tighten up the watertight door closing mechanism and can seal manhole 2, the manhole passageway is demolishd the back, and water pressure can compress tightly the watertight door, plays sealed effect to manhole 2, has avoided in restricted space shutoff manhole, and construction strength is less, adopts the watertight door to seal more convenient, swift to manhole 2, and manhole shutoff quality is convenient for control, has stopped the risk of manhole shutoff seepage, has improved the construction quality of immersed tube.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A manhole channel for sink-in installation of a immersed tube is characterized in that the manhole channel is arranged on an end sealing door (4) of a tube stern of an immersed tube (1), and comprises a manhole (2), a pedestrian pipeline (3), a platform (5), a supporting structure and a sealing structure (6);
the manhole (2) is arranged on the end sealing door (4) and is used for communicating the pedestrian pipeline (3) with the interior of the immersed tube (1);
the pedestrian pipeline (3) is L-shaped, the lower end of the pedestrian pipeline (3) is connected with the manhole (2), the upper end of the pedestrian pipeline (3) is connected with the platform (5), and crawling ladders (7) are arranged in the pedestrian pipeline (3) and on the outer wall of the pedestrian pipeline (3);
the supporting structure is used for connecting the immersed tube (1) and the pedestrian pipeline (3);
the sealing structure (6) is arranged at the joint of the manhole (2) and the lower end of the pedestrian pipeline (3) and used for sealing the manhole (2) after the manhole channel is removed.
2. A immersed tube sinking installation manhole channel according to claim 1, wherein the manway (2) and the manway (3) are connected by a flange (8).
3. A immersed tube sinking installation manhole channel according to claim 2, wherein the bottom of the flange (8) is provided with a bottom support plate (14).
4. The immersed tube sinking installation manhole channel according to claim 1, wherein the manway (3) comprises a square manway (31) and a round manway (32), the lower end of the square manway (31) is connected with the manhole (2), the upper end of the square manway (31) is connected with the lower end of the round manway (32), and the upper end of the round manway (32) is connected with the platform (5).
5. The immersed tube sinking installation manhole channel according to claim 4, wherein the circular manway (32) comprises a first circular manway (32A) and a second circular manway (32B) connected to each other, the second circular manway (32B) being located above the first circular manway (32A).
6. A immersed tube sinking installation manhole channel according to claim 1, wherein the support structure comprises a bottom support bar (10) and a longitudinal support bar (11); one end of the bottom support rod (10) is fixed at the bottom of the pedestrian pipeline (3), and the other end of the bottom support rod (10) is fixed at the steel end shell (15) of the immersed tube (1); one end of the longitudinal support rod (11) is fixed on the outer wall of the upper part of the pedestrian pipeline (3), and the other end of the longitudinal support rod (11) is fixed on the top surface of the immersed tube (1).
7. The manway channel for immersed tube installation according to claim 6, wherein there are two bottom support rods (10), and the two bottom support rods (10) are symmetrically arranged along the manway (3) in the transverse direction of the immersed tube (1); one longitudinal support rod (11) is arranged, and the longitudinal support rod (11) is arranged along the center of the pedestrian pipeline (3) in the longitudinal direction of the immersed tube (1).
8. Immersed tube submerging installation manhole channel according to any of claims 1-7, further comprising a pulling structure connecting the immersed tube (1) and the manway (3).
9. The immersed tube sinking installation manhole channel according to claim 8, wherein the pulling structure comprises a longitudinal steel wire rope (12) and two transverse steel wire ropes (13), the longitudinal steel wire rope (12) connects the top surface of the immersed tube (1) and the pedestrian pipeline (3) along the longitudinal direction of the immersed tube, and the longitudinal steel wire rope (12) is coincided with the center of the pedestrian pipeline (3); the transverse steel wire ropes (13) are transversely connected with the top surface of the immersed tube (1) and the pedestrian pipeline (3) along the immersed tube, and the two transverse steel wire ropes (13) are symmetrically arranged along the pedestrian pipeline (3).
10. The manhole channel for immersed tube sinking installation according to any one of claims 1 to 7, wherein the sealing structure (6) is a watertight door, the watertight door is of a circular structure, and the center of the watertight door coincides with the center of the manhole (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123235559.7U CN216586673U (en) | 2021-12-20 | 2021-12-20 | Immersed tube sinking installation manhole channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123235559.7U CN216586673U (en) | 2021-12-20 | 2021-12-20 | Immersed tube sinking installation manhole channel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216586673U true CN216586673U (en) | 2022-05-24 |
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ID=81615164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123235559.7U Active CN216586673U (en) | 2021-12-20 | 2021-12-20 | Immersed tube sinking installation manhole channel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216586673U (en) |
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2021
- 2021-12-20 CN CN202123235559.7U patent/CN216586673U/en active Active
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