CN216079332U - Device for installing and maintaining relay pump for shield tunnel construction - Google Patents
Device for installing and maintaining relay pump for shield tunnel construction Download PDFInfo
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- CN216079332U CN216079332U CN202122128069.0U CN202122128069U CN216079332U CN 216079332 U CN216079332 U CN 216079332U CN 202122128069 U CN202122128069 U CN 202122128069U CN 216079332 U CN216079332 U CN 216079332U
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Abstract
The utility model discloses a device for installing and maintaining a relay pump for shield tunnel construction, which comprises a mud inlet three-way pipe, a mud outlet three-way pipe, a relay pump mud pipe, a working switch, a mud inlet pipe and a mud outlet pipe; the mud inlet three-way pipe comprises a mud inlet three-way pipe main pipe and a mud inlet three-way pipe side branch, the mud outlet three-way pipe comprises a mud outlet three-way pipe main pipe and a mud outlet three-way pipe side branch, and the outlet of the mud inlet three-way pipe main pipe is connected with the mud inlet end of the relay pump mud pipe; the inlet of the main pipe of the mud outlet three-way pipe is connected with the mud outlet end of the mud pipe of the relay pump; the inlet of the mud inlet pipe is arranged at the outlet of a branch beside the mud inlet three-way pipe, and the outlet of the mud inlet pipe is connected with the mud inlet of the relay pump; the outlet of the mud outlet pipe is arranged at the outlet of a branch beside the mud outlet three-way pipe, and the inlet of the mud outlet pipe is connected with the mud outlet of the relay pump; the working switch is arranged at the inlet of the mud inlet pipe. The utility model can avoid the shutdown of the shield machine when the relay pump is installed and maintained, and avoid the influence of the installation and maintenance of the relay pump on the construction efficiency.
Description
Technical Field
The utility model relates to the technical field of shield tunnel engineering, in particular to a device for installing and maintaining a relay pump for shield tunnel construction.
Background
The slurry balance type shield tunnel construction has the advantages of wide soil adaptation range, high mechanization degree, high jacking speed, controlled ground settlement and the like, and becomes a main mode of shield tunnel construction. In mud-water circulation, a water inlet pump and a sludge discharge pump are respectively arranged at two ends of a pipeline, the water inlet pump provides pressure, the sludge discharge pump provides suction, along with the increase of the pipeline, the pressure for maintaining the sludge discharge flow is increased, particularly in a tunnel with the pressure exceeding two kilometers, and the relay pump can effectively maintain the pressure for the sludge discharge flow.
However, the shield must be forced to stop when the relay pump is installed and maintained, which greatly reduces the construction efficiency, and in addition, excessive slurry flowing out in the process of installing and maintaining the relay pump cannot be collected, inevitably polluting the construction environment and affecting the normal work.
Therefore, in view of the current situation, it is an urgent need to provide a device for installing and maintaining a relay pump for shield tunnel construction.
SUMMERY OF THE UTILITY MODEL
The utility model provides a device for installing and maintaining a relay pump for shield tunnel construction, which is used for solving the problem that the installation and maintenance of the relay pump need to be stopped to reduce the construction efficiency in the existing shield tunnel construction.
In order to achieve the purpose, the utility model provides a device for installing and maintaining a relay pump for shield tunnel construction, which comprises a mud inlet three-way pipe, a mud outlet three-way pipe, a relay pump mud pipe, a working switch, a mud inlet pipe and a mud outlet pipe; the mud inlet three-way pipe comprises a mud inlet three-way pipe main pipe and a mud inlet three-way pipe side branch, the mud outlet three-way pipe comprises a mud outlet three-way pipe main pipe and a mud outlet three-way pipe side branch, and the outlet of the mud inlet three-way pipe main pipe is connected with the mud inlet end of the relay pump mud pipe; the inlet of the main pipe of the mud outlet three-way pipe is connected with the mud outlet end of the mud pipe of the relay pump; the inlet of the mud inlet pipe is arranged at the outlet of a branch beside the mud inlet three-way pipe, and the outlet of the mud inlet pipe is connected with a mud inlet of the relay pump; the outlet of the mud outlet pipe is arranged at the outlet of a branch beside the mud outlet three-way pipe, and the inlet of the mud outlet pipe is connected with the mud outlet of the relay pump; the working switch is arranged at the inlet of the mud inlet pipe. When the relay pump is installed and maintained, the working switch is turned off, the mud passes through the main mud inlet three-way pipe, the mud pipe of the relay pump and the main mud outlet three-way pipe are output temporarily, after the relay pump is installed and maintained, the working switch is turned on, the mud passes through the main mud inlet three-way pipe, the side branch of the main mud inlet three-way pipe, the mud inlet pipe, the mud outlet pipe, the side branch of the main mud outlet three-way pipe and the main mud outlet three-way pipe are output under the action of the relay pump, the relay pump can be installed or maintained under the condition that the shield machine does not shut down, and the mud leakage and pollution construction site can not be caused.
Further, the outlet of the main pipeline of the mud inlet three-way pipe is connected with the mud inlet end of the mud pipe of the relay pump through a first flange group and a first bolt group. The main pipeline of the mud inlet three-way pipe and the mud pipe of the relay pump can be tightly connected, and leakage is prevented.
Furthermore, an inlet of the main pipeline of the mud outlet three-way pipe is connected with a mud outlet end of the mud pipe of the relay pump through a second flange group and a second bolt group. The main pipeline of the mud outlet three-way pipe can be tightly connected with the mud pipe of the relay pump, and leakage is prevented.
Further, an inlet of the sludge inlet pipe is connected with a side branch of the sludge inlet three-way pipe through a third flange group and a third bolt group. The mud inlet pipe and the mud inlet three-way pipe can be tightly connected, and leakage is prevented.
Further, the outlet of the mud outlet pipe is connected with the side branch of the mud outlet three-way pipe through a flange group IV and a bolt group IV. The mud outlet pipe can be tightly connected with the mud outlet three-way pipe, and leakage is prevented.
Further, an installation switch is arranged at the outlet of the main pipeline of the sludge inlet three-way pipe. The switch is closed after the installation and debugging of the relay pump are completed, so that the phenomenon that slurry enters a slurry pipe of the relay pump by mistake to cause blockage and the recycling of the device is influenced when the relay pump works can be prevented.
And further, a second working switch is arranged at the outlet of the mud outlet pipe. Can prevent that mud from missing out the mud pipe and causing the jam when the installation and debugging of relay pump, influence the used cycle of this device.
Further, the working switch, the installation switch and the working switch II are gate valves. The mud that can be better blocks is sealed effectual, convenient operation.
Furthermore, the main pipe of the mud inlet three-way pipe, the mud pipe of the relay pump and the main pipe of the mud outlet three-way pipe are of an integrally formed structure. The installation time can be saved, and the working efficiency is improved.
Before the relay pump is installed or maintained, an inlet of a main pipeline of the mud inlet three-way pipe is connected with a first slurry pipe of the shield tunneling machine, and an outlet of a main pipeline of the mud outlet three-way pipe is connected with a second slurry pipe of the shield tunneling machine; when the relay pump is installed, the installation switch is turned on, the working switch and the working switch II are turned off, and the slurry is temporarily output through the main pipeline of the sludge inlet three-way pipe, the slurry pipe of the relay pump and the main pipeline of the sludge outlet three-way pipe; after the installation is completed, the working switch and the working switch II are turned on, the installation switch is turned off, and the mud is output through the main pipe of the mud inlet three-way pipe, the side branch of the main pipe of the mud inlet three-way pipe, the mud inlet pipe, the mud outlet pipe, the side branch of the main pipe of the mud outlet three-way pipe and the main pipe of the mud outlet three-way pipe under the action of the relay pump.
According to the technical scheme, the utility model has the following advantages:
by arranging the relay pump slurry pipe, the working switch, the slurry inlet three-way pipe and the slurry outlet three-way pipe, the relay pump can be installed or maintained under the condition that the shield machine does not stop, slurry does not leak, the construction efficiency is improved, and certain economic benefit is brought; the connection of pipelines at each position is realized through the structures of the flange group and the bolt group, the sealing effect is good, and leakage is avoided; the installation switch and the working switch are arranged to ensure that the mud does not block the pipeline and the recycling of the device is not affected.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a second embodiment of the present invention.
In the figure, 1, a mud inlet three-way pipeline, 11, a mud inlet three-way pipeline main pipeline, 12, a mud inlet three-way pipeline side branch, 2, a relay pump mud pipe, 3, a mud outlet three-way pipeline, 31, a mud outlet three-way pipeline main pipeline, 32, a mud outlet three-way pipeline side branch, 4, a working switch (a gate valve I), 5, a mud inlet pipe, 6, a mud outlet pipe, 7, a working switch II, 8, an installation switch (a gate valve III), 9, a relay pump, 10, a shield tunneling machine mud pipe I, 13, a bolt group I, 14, a flange group II, 15, a bolt group II, 16, a flange group III, 17, a bolt group III, 18, a flange group IV, 19, a bolt group IV, 20, a shield tunneling machine mud pipe II, 21 and a flange group I.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the present embodiment, and it is apparent that the embodiments described below are only a part of embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.
Detailed description of the utility model
As shown in fig. 1, the present invention provides a device for installing and maintaining a relay pump for shield tunnel construction, which adopts the following structure: the outlet of the main pipe 12 of the mud inlet three-way pipe is connected with the mud inlet end of the mud pipe 2 of the relay pump through a flange group I21 and a bolt group I13, the side branch 12 of the mud inlet three-way pipe is connected with the inlet of the mud inlet pipe 5 through a flange group III 16 and a bolt group III 17, the outlet of the main pipe 11 of the mud inlet three-way pipe is provided with a gate valve III serving as an installation switch 8, and the gate valve III is opened when the relay pump 9 is installed or maintained and is closed after the installation; a first gate valve is arranged at the inlet of the sludge inlet pipe 5 and serves as a working switch 4, the first gate valve is closed when the relay pump 9 is installed or maintained and is opened after the relay pump 9 is installed or maintained, and the outlet of the sludge inlet pipe 5 is connected with a sludge inlet of the relay pump 9 to be installed or maintained; the inlet of the mud outlet pipe 6 is connected with a mud outlet of the relay pump 9 to be installed or maintained, the outlet of the mud outlet pipe is connected with a bypass branch 31 of the mud outlet three-way pipe through a flange group IV 18 and a bolt group IV 19, a gate valve II is arranged at the outlet of the mud outlet pipe and serves as a working switch II 7, the gate valve II is closed when the relay pump 9 is installed or maintained, and the gate valve II is opened after the installation or maintenance is finished; the inlet of the main pipe 32 of the mud outlet three-way pipe is connected with the mud outlet end of the mud pipe 2 of the relay pump through a second flange group 14 and a second bolt group 15.
Detailed description of the utility model
As shown in fig. 2, on the basis of the first embodiment, the main pipe 11 of the mud inlet tee is integrally formed with the mud pipe 2 of the relay pump and the main pipe 32 of the mud outlet tee.
The working process of the specific embodiment is as follows:
before the relay pump 9 is installed or maintained, the main pipe 11 of the mud inlet three-way pipe is connected with a first slurry pipe 10 of the shield machine, and the main pipe 32 of the mud outlet three-way pipe is connected with a second slurry pipe 20 of the shield machine; when the relay pump 9 is installed or maintained, the installation switch 8 is opened, the working switch 4 and the working switch II 7 are closed, and the slurry is temporarily output through the main pipe 11 of the sludge inlet three-way pipe, the slurry pipe 2 of the relay pump and the main pipe 32 of the sludge outlet three-way pipe; after the installation or maintenance is finished, the working switch 4 and the working switch II 7 are turned on, the installation switch 8 is turned off, and mud is output through the main mud inlet three-way pipe 11, the main mud inlet three-way pipe side branch 12, the mud inlet pipe 5, the mud outlet pipe 6, the main mud outlet three-way pipe side branch 31 and the main mud outlet three-way pipe 32 under the action of the relay pump 8.
According to the specific implementation mode of the utility model, the device has the following beneficial effects:
1. when the relay pump 9 is installed, the slurry can be output to the second shield machine slurry pipe 20 through the relay pump slurry pipe 2, the transportation of the slurry is not influenced, and no leakage exists, so that the installation can be completed under the condition that the shield machine does not stop;
2. the second working switch 7 and the mounting switch 8 are used for avoiding pipeline blockage, and the relay pump 9 can be recycled during maintenance.
The terms "upper", "lower", "outside", "inside", and the like in the description and claims of the present invention and the above-described drawings (if any) are used for distinguishing relative positions without necessarily being construed qualitatively. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the utility model described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A device for installing and maintaining a relay pump for shield tunnel construction is characterized by comprising a mud inlet three-way pipe (1), a mud outlet three-way pipe (3), a relay pump mud pipe (2), a working switch (4), a mud inlet pipe (5) and a mud outlet pipe (6); the mud inlet three-way pipe (1) comprises a mud inlet three-way pipe main pipe (11) and a mud inlet three-way pipe side branch (12), the mud outlet three-way pipe (3) comprises a mud outlet three-way pipe main pipe (32) and a mud outlet three-way pipe side branch (31), and the outlet of the mud inlet three-way pipe main pipe (11) is connected with the mud inlet end of the relay pump mud pipe (2); the inlet of the main pipe (32) of the mud outlet three-way pipe is connected with the mud outlet end of the mud pipe (2) of the relay pump; the inlet of the sludge inlet pipe (5) is arranged at the outlet of the bypass branch (12) of the sludge inlet three-way pipe, and the outlet of the sludge inlet pipe (5) is connected with the sludge inlet of the relay pump (9); the outlet of the sludge outlet pipe (6) is arranged at the outlet of the bypass branch (31) of the sludge outlet three-way pipe, and the inlet of the sludge outlet pipe (6) is connected with the sludge outlet of the relay pump (9); the working switch (4) is arranged at the inlet of the mud inlet pipe (5).
2. The device for installing and maintaining the relay pump for shield tunnel construction according to claim 1, wherein the outlet of the main pipe (11) of the mud inlet tee is connected with the mud inlet end of the mud pipe (2) of the relay pump through a first flange group (21) and a first bolt group (13).
3. The device for installing and maintaining the relay pump for shield tunnel construction according to claim 1, wherein the inlet of the main mud outlet tee pipe (32) is connected with the mud outlet end of the mud pipe (2) of the relay pump through a second flange group (14) and a second bolt group (15).
4. The apparatus for installing and maintaining a relay pump for shield tunnel construction according to claim 1, wherein the inlet of the mud inlet pipe (5) is connected with the mud inlet tee side branch (12) through a third flange set (16) and a third bolt set (17).
5. The apparatus for installing and repairing a relay pump for shield tunnel construction according to claim 1, wherein the outlet of the mud discharging pipe (6) is connected to the mud discharging tee side branch (31) through a flange group four (18) and a bolt group four (19).
6. The apparatus for installing and maintaining a relay pump for shield tunnel construction according to claim 1, wherein an installing switch (8) is provided at an outlet of a main pipe of the mud feeding tee pipe (1).
7. The apparatus for installing and maintaining the relay pump for shield tunnel construction according to claim 6, wherein a second operation switch (7) is provided at an outlet of the mud discharging pipe (6).
8. The apparatus for installing and maintaining a relay pump for shield tunnel construction according to claim 7, wherein the working switch (4), the installation switch (8) and the second working switch (7) are gate valves.
9. The device for installing and maintaining the relay pump for shield tunnel construction according to claim 1, wherein the main pipe (11) of the mud inlet tee pipe, the mud pipe (2) of the relay pump and the main pipe (32) of the mud outlet tee pipe are of an integrally formed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122128069.0U CN216079332U (en) | 2021-09-03 | 2021-09-03 | Device for installing and maintaining relay pump for shield tunnel construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122128069.0U CN216079332U (en) | 2021-09-03 | 2021-09-03 | Device for installing and maintaining relay pump for shield tunnel construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216079332U true CN216079332U (en) | 2022-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122128069.0U Active CN216079332U (en) | 2021-09-03 | 2021-09-03 | Device for installing and maintaining relay pump for shield tunnel construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216079332U (en) |
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2021
- 2021-09-03 CN CN202122128069.0U patent/CN216079332U/en active Active
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