CN217270325U - Floating reset device on pipe sheet - Google Patents
Floating reset device on pipe sheet Download PDFInfo
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- CN217270325U CN217270325U CN202221008754.8U CN202221008754U CN217270325U CN 217270325 U CN217270325 U CN 217270325U CN 202221008754 U CN202221008754 U CN 202221008754U CN 217270325 U CN217270325 U CN 217270325U
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Abstract
The utility model relates to a tunnel construction technical field especially relates to a pipe section upper floating resetting means for the cyclic annular pipe section that makes the come-up resets, guarantees the security in tunnel. The segment floating reset device comprises a water tank, a water pumping device and a controller. The water tank is placed on the lower side wall of the inner cavity of the annular duct piece, the water inlet end of the water pumping device is communicated with the stratum to pump underground water in the stratum, the water outlet end of the water pumping device is communicated with the water tank, and the controller is in communication connection with the water pumping device to control the water pumping device to be opened and closed. When cyclic annular section of jurisdiction come-up, the controller control ware that draws water opens, draws water the ware and extracts the groundwater in the stratum to the water tank in to increase the weight of water tank, thereby improve the weight of cyclic annular section of jurisdiction, resist buoyancy, sink and resume to original position.
Description
Technical Field
The utility model relates to a tunnel construction technical field especially relates to a pipe sheet floats resetting means.
Background
In order to improve the convenience of traffic, subways are built in a large number, and the safety of subway tunnels directly influences the traveling safety of people. The tunnel comprises a plurality of cyclic annular section of jurisdiction, because the snakelike motion of shield tunnelling in-process can produce and surpass to dig and theoretical clearance, has the building space between cyclic annular section of jurisdiction and stratum promptly, can fill synchronous thick liquid in the building space. But the groundwater in the stratum also can get into in the building space, and the groundwater content in soft soil stratum is comparatively abundant especially, when more groundwater gets into and dilutes synchronous thick liquid in the building space, will lead to synchronous thick liquid to become thin, can't restrain cyclic annular section of jurisdiction. At this moment, when the buoyancy that groundwater and synchronous thick liquid provided for cyclic annular section of jurisdiction is greater than cyclic annular section of jurisdiction gravity, cyclic annular section of jurisdiction will take place the come-up under the less strong condition of constraint condition, lead to tunnel structure to warp, produce serious incident.
Therefore, a floating reset device on a tube sheet is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pipe section floats resetting means can make the cyclic annular pipe section of come-up reset, guarantees the security in tunnel.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a pipe piece floats resetting means for the cyclic annular pipe piece that makes the come-up resets, pipe piece come-up resetting means includes:
the water tank is placed on the lower side wall of the inner cavity of the annular duct piece;
the water inlet end of the water pump is communicated with the stratum so as to pump underground water in the stratum, and the water outlet end of the water pump is communicated with the water tank;
the controller is in communication connection with the water pumping device to control the water pumping device to be opened and closed.
As an optimal scheme of the pipe piece floating reset device, the pipe piece floating reset device further comprises a vertical displacement sensor, the vertical displacement sensor is connected to the inner cavity wall surface of the annular pipe piece, and the controller is in communication connection with the vertical displacement sensor.
As a preferred scheme of the tube sheet floating reset device, the tube sheet floating reset device further comprises an opening and closing valve, the opening and closing valve is arranged on a pipeline between the water outlet end and the water tank, and the opening and closing valve is in communication connection with the controller.
As a preferred scheme of the pipe piece floating resetting device, the pipe piece floating resetting device further comprises a filter, and the filter is arranged at the water inlet end and used for filtering the underground water entering the water tank.
As a preferred scheme of the tube sheet floating reset device, the water pumping device is a bidirectional water pumping device.
As an optimal scheme of the pipe piece floating reset device, the pipe piece floating reset device further comprises a flowmeter, a detection end of the flowmeter is arranged in a pipeline between the water outlet end and the water tank, and the flowmeter is in communication connection with the controller, so that the controller controls the water pumping device to be reversely flushed or not according to a detection result of the flowmeter.
As an optimal scheme of the pipe piece floating reset device, the pipe piece floating reset device further comprises a liquid level sensor, the liquid level sensor is arranged at a preset water level in the water tank, and the liquid level sensor is in communication connection with the controller.
As an optimal scheme of the pipe piece floating reset device, the pipe piece floating reset device further comprises an alarm, and the alarm is in communication connection with the controller.
As a preferred scheme of the floating reset device on the tube sheet, a plurality of vertical displacement sensors are arranged at intervals.
As a preferred scheme of the floating resetting device on the pipe piece, the lower side surface of the water tank is a curved surface so as to be attached to the lower side wall of the inner cavity of the annular pipe piece.
The utility model has the advantages that:
the utility model provides a pipe sheet upper floating resetting device for the cyclic annular pipe sheet that makes the come-up resets, guarantees the security in tunnel. The segment floating reset device comprises a water tank, a water pumping device and a controller. The water tank is placed on the lower side wall of the inner cavity of the annular duct piece, the water inlet end of the water pumping device is communicated with the stratum to pump underground water in the stratum, the water outlet end of the water pumping device is communicated with the water tank, and the controller is in communication connection with the water pumping device to control the water pumping device to be opened and closed. When cyclic annular section of jurisdiction come-up, the controller control ware that draws water opens, draws water the ware and extracts the groundwater in the stratum to the water tank in to increase the weight of water tank, thereby improve the weight of cyclic annular section of jurisdiction, resist buoyancy, sink and resume to original position.
Drawings
Fig. 1 is an installation schematic view of the floating-on-tube segment repositioning device provided by the embodiment of the present invention (when the annular tube segment is in a normal state);
fig. 2 is an installation schematic diagram of the tube sheet floating resetting device provided by the embodiment of the present invention (when the ring-shaped tube sheet is in a floating state).
In the figure:
1. a water tank; 2. a water pump; 3. a controller; 4. a vertical displacement sensor; 5. opening and closing a valve; 6. a filter; 7. a pipeline;
100. an annular duct piece; 101. the inner wall surface of the duct piece; 102. the outer wall surface of the duct piece;
200. building a void; 300. the earth formation.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The tunnel comprises a plurality of cyclic annular section of jurisdiction, because the snakelike motion of shield tunnelling in-process can produce and surpass to dig and theoretical clearance, has the building space between cyclic annular section of jurisdiction and stratum promptly, can fill synchronous thick liquid in the building space. But the groundwater in the stratum also can get into in the building space, and the groundwater content in soft soil stratum is comparatively abundant especially, when more groundwater gets into and dilutes synchronous thick liquid in the building space, will lead to synchronous thick liquid to become thin, can't restrain cyclic annular section of jurisdiction. At this moment, when the buoyancy that groundwater and synchronous thick liquid provided for cyclic annular section of jurisdiction is greater than cyclic annular section of jurisdiction gravity, cyclic annular section of jurisdiction will take place the come-up under the less strong condition of constraint condition, lead to tunnel structure to warp, produce serious incident.
Therefore, the embodiment provides a tube sheet floating resetting device, which is used for resetting the floating annular tube sheet 100 and ensuring the safety of the tunnel. As shown in fig. 1-2, taking a tunnel formed by splicing a plurality of annular segments 100 as an example, a building space 200 exists between the segment outer wall surface 102 and a formation 300.
The segment floating reset device comprises a water tank 1, a water pumping device 2 and a controller 3. Wherein, the water tank 1 is placed on the lower side wall of the inner cavity of the annular duct piece 100, namely the bottom end of the inner wall surface 101 of the duct piece, the water inlet end of the water pump 2 is communicated with the stratum 300 so as to pump the underground water in the stratum 300, and the water outlet end of the water pump 2 is communicated with the water tank 1. The controller 3 is in communication connection with the water drawer 2 to control the opening and closing of the water drawer 2.
As shown in fig. 2, when the annular duct piece 100 floats upwards, the controller 3 controls the water pump 2 to be opened, and the water pump 2 pumps the groundwater in the formation 300 into the water tank 1, so as to increase the weight of the water tank 1, thereby increasing the weight of the annular duct piece 100, resisting the buoyancy, and the annular duct piece 100 sinks and recovers to the original position, that is, as shown in fig. 1.
In order to make the emergence that this section of jurisdiction come-up resetting means can the cyclic annular section of jurisdiction 100 come-up of automatic monitoring to in time start the processing that resets, preferably, section of jurisdiction come-up resetting means still includes vertical displacement sensor 4, and vertical displacement sensor 4 is connected in the inner chamber wall of cyclic annular section of jurisdiction 100, and controller 3 is connected with vertical displacement sensor 4 communication. Preferably, the vertical displacement sensor 4 is provided at the top end of the tube sheet inner wall surface 101 to prevent flooding. When the annular duct piece 100 floats upwards, the vertical displacement sensor 4 floats upwards, the floating range measured by the vertical displacement sensor 4 is transmitted to the controller 3, and the controller 3 can control the water pumping device 2 to start a water pumping mode. When the annular duct piece 100 sinks and resets, the vertical displacement sensor 4 sinks and resets accordingly, a reset signal is transmitted to the controller 3, and the controller 3 can control the water pumping device 2 to be closed.
In order to prevent the vertical displacement sensor 4 from working abnormally, it is preferable that the vertical displacement sensor 4 be provided in plurality, and the plurality of vertical displacement sensors 4 be provided at intervals.
In order to further control the water pumping amount, preferably, the segment floating reset device further comprises an opening and closing valve 5, the opening and closing valve 5 is arranged on the pipeline 7 between the water outlet end and the water tank 1, and when the annular segment 100 sinks to reset, the controller 3 can control the opening and closing valve 5 to be closed so as to rapidly cut off the water storage and prevent the annular segment 100 from further sinking and being lower than the original position.
The groundwater mixes thing such as silt impurity, for guaranteeing that ware 2 does not block up or damage because of impurity, preferably, section of jurisdiction come-up resetting means still includes filter 6, and filter 6 sets up at the end of intaking to filter groundwater, guarantee that the aquatic that gets into ware 2 does not contain impurity.
For backflushing the strainer 6, the water pump 2 is preferably a bidirectional water pump. That is, the controller 3 can control the water drawer 2 to work reversely, so that the water in the water tank 1 washes the strainer 6 through the water drawer 2, and washes away impurities at the inlet of the strainer 6.
When the filter 6 is blocked, the water flow in the pipeline 7 is greatly reduced, and whether the filter 6 is blocked or not can be judged according to the water flow, and whether a back flushing mode needs to be started or not can be judged. Preferably, section of jurisdiction come-up resetting means still includes the flowmeter, and the sense terminal setting of flowmeter is in the pipeline 7 between play water end and water tank 1, and the flowmeter is connected with controller 3 communication to whether make controller 3 control the ware 2 of drinking-water according to the testing result of flowmeter and wash backward, realize the automatic washing of filter 6.
In order to prevent the water tank 1 from being full but the annular duct piece 100 still not being reset, the water pump 2 still continues to pump water, preferably, the duct piece floating reset device further comprises a liquid level sensor, the liquid level sensor is arranged at a preset water level in the water tank 1, and the liquid level sensor is in communication connection with the controller 3. When the water tank 1 is full, the liquid level sensor transmits a full water signal to the controller 3, and the controller 3 controls the water pumping device 2 to be closed.
In order to timely feed back the condition of the annular duct piece 100 to the operator, the duct piece floating reset device preferably further comprises an alarm, and the alarm is in communication connection with the controller 3. When the annular duct piece 100 floats upwards, is reset completely and is full of stored water but is not reset, workers can be informed through the alarm, so that the workers can timely handle the water.
To ensure stable placement of the water tank 1 in the annular duct piece 100, preferably, the lower side surface of the water tank 1 is a curved surface to be attached to the lower side wall of the inner cavity of the annular duct piece 100.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a pipe piece floats resetting means which characterized in that for make cyclic annular section of jurisdiction (100) of come-up reset, section of jurisdiction come-up resetting means includes:
the water tank (1), the water tank (1) is placed on the lower side wall of the inner cavity of the annular duct piece (100);
the water inlet end of the water pump (2) is communicated with the stratum (300) to pump underground water in the stratum (300), and the water outlet end of the water pump (2) is communicated with the water tank (1);
the controller (3), the controller (3) with draw water ware (2) communication connection to control draw water ware (2) open and close.
2. The segment floating resetting device according to claim 1, further comprising a vertical displacement sensor (4), wherein the vertical displacement sensor (4) is connected to the inner cavity wall surface of the annular segment (100), and the controller (3) is in communication connection with the vertical displacement sensor (4).
3. The segment floating resetting device according to claim 1, further comprising an opening and closing valve (5), wherein the opening and closing valve (5) is arranged on a pipeline (7) between the water outlet end and the water tank (1), and the opening and closing valve (5) is in communication connection with the controller (3).
4. The segment float-up and restoration device according to claim 1, further comprising a filter (6), wherein the filter (6) is disposed at the water inlet end to filter the groundwater entering the water tank (1).
5. The segment floating reset device according to claim 4, wherein the water pump (2) is a bidirectional water pump device.
6. The segment floating resetting device according to claim 5, further comprising a flow meter, wherein a detection end of the flow meter is arranged in a pipeline (7) between the water outlet end and the water tank (1), and the flow meter is in communication connection with the controller (3) so that the controller (3) controls the water pump (2) to be backwashed or not according to a detection result of the flow meter.
7. The segment floating resetting device according to claim 1, further comprising a liquid level sensor, wherein the liquid level sensor is arranged at a preset water level in the water tank (1), and the liquid level sensor is in communication connection with the controller (3).
8. The segment floating and resetting device according to claim 1, further comprising an alarm, wherein the alarm is in communication connection with the controller (3).
9. The segment floating reset device according to claim 2, wherein a plurality of vertical displacement sensors (4) are arranged, and the vertical displacement sensors (4) are arranged at intervals.
10. The segment float-up and restoration device according to any one of claims 1-9, wherein the lower side of the water tank (1) is curved to fit with the lower side wall of the inner cavity of the annular segment (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221008754.8U CN217270325U (en) | 2022-04-24 | 2022-04-24 | Floating reset device on pipe sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221008754.8U CN217270325U (en) | 2022-04-24 | 2022-04-24 | Floating reset device on pipe sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217270325U true CN217270325U (en) | 2022-08-23 |
Family
ID=82880883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221008754.8U Active CN217270325U (en) | 2022-04-24 | 2022-04-24 | Floating reset device on pipe sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217270325U (en) |
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2022
- 2022-04-24 CN CN202221008754.8U patent/CN217270325U/en active Active
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