CN217999654U - Built-in type interval pump room of rail transit shield tunnel - Google Patents
Built-in type interval pump room of rail transit shield tunnel Download PDFInfo
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- CN217999654U CN217999654U CN202220662552.9U CN202220662552U CN217999654U CN 217999654 U CN217999654 U CN 217999654U CN 202220662552 U CN202220662552 U CN 202220662552U CN 217999654 U CN217999654 U CN 217999654U
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Abstract
The utility model belongs to the technical field of the shield tunnel pump house, specifically a built-in interval pump house in track traffic shield tunnel. The underground water-collecting system comprises a water-collecting tank arranged in a road bed at the lowest point of a shield interval structure, wherein the road bed is arranged in a pipe sheet, the water-collecting tank is arranged in the middle of the road bed, a plurality of transverse supports are arranged at the top of the water-collecting tank at intervals along the direction of a tunnel, a cover plate is laid on the upper side of the transverse supports, a cable trough and a drain pipe groove are arranged on the road beds on the two sides of the water-collecting tank, the cable trough and the drain pipe groove are communicated with the water-collecting tank, a sand-sinking well is arranged at the boundary of the road bed with the water-collecting tank and adjacent other common road beds, the sand-sinking well is connected with the water-collecting tank, a pump pit is arranged at the bottom of the water-collecting tank, and a drainage pump is arranged in the pump pit. The utility model discloses the pump house does not require to close with the contact passageway to establish, and the plane position of contact passageway selects more in a flexible way, and interval vertical section designs more in a flexible way, reserves great flexibility to the design of circuit specialty.
Description
Technical Field
The utility model belongs to the technical field of the shield tunnel pump house, specifically a built-in interval pump house of track traffic shield tunnel.
Background
With the acceleration of the urbanization process, the utilization of underground space becomes a big hot spot, wherein the shield excavation method is widely applied because the shield excavation method has the advantages of no influence on ground traffic and small environmental influence. Based on the drainage demand, the shield tunnel is provided with the drainage pump room, and this pump room generally sets up in the contact passageway lower part in two tunnels, because the setting in this drainage pump room leads to the contact passageway to be extremely difficult to adopt the mechanical method excavation, generally can only adopt the mode of carrying out the mine method excavation after consolidating, and this construction method is not only that construction costs is high, and big, the construction cycle is long to the influence of all ring edge borders.
Disclosure of Invention
The utility model discloses an utilize track below railway roadbed and tunnel spatial structure as waste water pump house, provide a built-in interval pump house in track traffic shield tunnel.
The utility model adopts the following technical proposal: the built-in interval pump house of the rail transit shield tunnel comprises a water collecting tank arranged in a road bed at the lowest point of a shield interval structure, wherein the road bed is arranged in a pipe sheet, the water collecting tank is arranged in the middle of the road bed, a plurality of transverse supports are arranged at the top of the water collecting tank at intervals along the tunnel direction, a cover plate is laid on the upper side of each transverse support, a cable trough and a drain pipe groove are arranged on the road beds on two sides of the water collecting tank, the cable trough and the drain pipe groove are communicated with the water collecting tank, a sand sinking well is arranged at the boundary of the road bed with the water collecting tank and adjacent other common road beds, the sand sinking well is connected with the water collecting tank, a pump pit is arranged at the bottom of the water collecting tank, and a drainage pump is arranged in the pump pit.
Furthermore, a heightened transverse supporting structure is adopted for transverse support above the pump pit, and the height of the upper surface of the heightened transverse supporting structure is higher than that of the ballast bed; the transverse supports at other positions adopt a common transverse support structure, and the height of the upper surface of the common transverse support structure is lower than that of the track bed.
Furthermore, drain pipe slot is provided with two, and the position of setting up of drain pipe slot flushes with the both ends of pump hole, cable duct and drain pipe slot parallel arrangement.
The sand sediment trap sets up in the railway roadbed both sides, and the sand sediment trap passes through the drainage channel to be connected with the catch basin, and the junction is provided with the grid further, and the sand sediment trap is connected with the side direction ditch of ordinary railway roadbed both sides simultaneously.
Furthermore, the sand sediment trap is arranged in the middle of the ballast bed and is connected with the water collecting tank through a water channel, and grids are arranged on two sides of the water channel.
Furthermore, a water-swelling polyurethane water-stop adhesive is arranged between the ballast bed and the duct piece.
Furthermore, the space outside the pump pit of the pipe piece is filled with sulphoaluminate micro-expansion cement.
Compared with the prior art, the utility model discloses following beneficial effect has:
1) The problem that the construction risk is high and the later-stage sedimentation deformation is large exists in the refrigeration construction of the traditional pump house, and the problem can be solved by adopting the built-in pump house.
2) The pump room and the connection channel do not need to be combined, the plane position of the connection channel is more flexibly selected, the section vertical section design is more flexible, and great flexibility is reserved for the line professional design.
Drawings
FIG. 1 is a plan view of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 2;
FIG. 5 is a schematic view of a cover plate structure;
FIG. 6 is a schematic view of the cable trough and the drain channel;
FIG. 7 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 6;
FIG. 8 is a schematic view at both ends of one design of a sump;
FIG. 9 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 8;
FIG. 10 is a schematic view at both ends of another design of a catch basin;
fig. 11 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A in fig. 10.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
As shown in fig. 1 and 2, a built-in interval pump house of a rail transit shield tunnel comprises a water collecting tank 2 arranged in a track bed 1 at the lowest point of a shield interval structure, wherein the track bed 1 is arranged in a duct piece 12, the water collecting tank 2 is arranged in the middle of the track bed 1, a plurality of transverse supports 3 are arranged at the top of the water collecting tank 2 at intervals along the tunnel direction, a cover plate is laid on the upper sides of the transverse supports 3, a cable trough 4 and a drain pipe groove 5 are arranged on the track bed 1 at two sides of the water collecting tank 2, the cable trough 4 and the drain pipe groove 5 are communicated with the water collecting tank 2, a sand settling well 7 is arranged at the boundary between the track bed 1 provided with the water collecting tank 2 and other adjacent common track beds, the sand settling well 7 is connected with the water collecting tank 2, a pump pit 6 is arranged at the bottom of the water collecting tank 2, and a drainage pump is arranged in the pump pit 6.
Sump size 14400mm (L) X800 mm (W) X600 mm (D). Two draining pumps with flow rate of 20m are arranged in the water collecting tank 3 The submersible pumps are uniformly arranged, steel pipe pieces are arranged on the bottom pipe pieces at the positions of the submersible pumps, and 4 rings of common concrete pipe pieces are arranged between the two pump pits. The steel pipe sheet plane reserved space is 480mm multiplied by 950mm. And (3) after the water collecting tank is coated with waterproof mortar, reserving a pump pit, wherein the size of the pump pit is 480mm (L) multiplied by 800mm (W) multiplied by 220mm (D). Four water levels are arranged in the water collecting tank, and are respectively as follows: ultra-low alarmThe water level, the pump stopping water level, the first pump starting water level, the second pump starting water level and the ultrahigh alarm water level.
As shown in fig. 3 and 4, the transverse support 3 above the pump pit 6 adopts a heightened transverse support structure 3.2, and the height of the upper surface of the heightened transverse support structure 3.2 is higher than that of the track bed 1; the transverse supports 3 at other positions adopt common transverse support structures 3.1, and the upper surface of the common transverse support structures 3.1 is lower than the track bed 1 in height.
As shown in fig. 6 and 7, two drainage pipe grooves 5 are provided, the drainage pipe grooves 5 are arranged at the same level with the two ends of the pump pit 6, and the cable trough 4 is arranged in parallel with the drainage pipe grooves 5. The drain pipe groove 5 and the cable groove 4 are transverse grooves, and an insulating protective pipe is arranged at the position of the cross rail.
As shown in fig. 8 and 9, the sand sediment wells 7 are arranged on both sides of the ballast bed, the sand sediment wells 7 are connected with the water collecting tank 2 through the drainage channels 9, the connection parts are provided with grids, and the sand sediment wells 7 are simultaneously connected with the lateral water channels on both sides of the common ballast bed.
As shown in fig. 10 and 11, the sand sediment trap 7 is disposed in the middle of the track bed, the sand sediment trap 7 is connected to the collecting tank 2 through a channel 11, and grids are disposed on both sides of the channel 11.
The water-swelling polyurethane water-stop adhesive is arranged between the track bed 1 and the duct piece 12, so that the situation that the waste water is mixed into the duct piece to be combined with the track bed to influence the stability of the track bed is prevented.
The space outside the pump pit of the pipe piece 12 is filled with sulphoaluminate micro-expansive cement 10.
A track center sump is arranged at the lowest point of the line, the range is 12 rings, the length is about 14.4m, the width is 800mm, and the depth reaches the surface of the segment.
The track bed in the range of the water collecting pit adopts a short sleeper type integral track bed, two steel rail track beds are separated, and the stability of the track bed is calculated. Meanwhile, a cover plate needs to be installed, and the evacuation requirement of the road bed surface is met.
The height of the track of the section is controlled according to 800mm (from the top of the track to a segment of pipe 950 mm), and in the process of track laying, through measurement, line and slope adjustment, the control elevation of the track surface in the range is ensured, and the depth of the water collecting pit is ensured to meet the requirement.
According to the position of the submersible pump drain pipe, a transverse groove is formed in the road bed surface, so that the drain pipe and the cable can pass through the rail, and the requirement of clearance below the rail is met.
After the ballast bed main body is finished, waterproof treatment is carried out on the joint of the ballast bed and the duct piece, so that water is prevented from entering the ballast bed and generating diseases after operation.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the scope of the invention in its corresponding aspects.
Claims (7)
1. The utility model provides a built-in section pump house of track traffic shield tunnel which characterized in that: including setting up catch basin (2) in shield structure interval structure minimum point ballast bed (1), ballast bed (1) sets up in section of jurisdiction (12), catch basin (2) set up in the middle of ballast bed (1), catch basin (2) top is provided with a plurality of horizontal supports (3) along the tunnel direction interval, the apron has been laid to horizontal support (3) upside, be provided with cable duct (4) and drain pipe slot (5) on ballast bed (1) of catch basin (2) both sides, cable duct (4) and drain pipe slot (5) and catch basin (2) intercommunication, ballast bed (1) that set up catch basin (2) and the boundary department of adjacent other ordinary ballast beds set up sand sediment trap (7), sediment trap (7) are connected with catch basin (2), catch basin (2) bottom is provided with pump pit (6), be provided with the drain pump in the pump (6).
2. The built-in type regional pump room of the rail transit shield tunnel according to claim 1, characterized in that: the transverse support (3) above the pump pit (6) adopts a heightened transverse support structure (3.2), and the height of the upper surface of the heightened transverse support structure (3.2) is higher than that of the track bed (1); the transverse supports (3) at other positions adopt common transverse support structures (3.1), and the height of the upper surface of each common transverse support structure (3.1) is lower than that of the track bed (1).
3. The built-in type interval pump room of the rail transit shield tunnel according to claim 1, characterized in that: the water draining pipe grooves (5) are arranged in two numbers, the arrangement positions of the water draining pipe grooves (5) are flush with the two ends of the pump pit (6), and the cable grooves (4) are arranged in parallel with the water draining pipe grooves (5).
4. The built-in type regional pump room of the rail transit shield tunnel according to claim 1, characterized in that: the sand sediment trap (7) are arranged on two sides of the ballast bed, the sand sediment trap (7) is connected with the water collecting tank (2) through the drainage channel (9), the connection part is provided with a grid, and the sand sediment trap (7) is simultaneously connected with lateral ditches on two sides of the common ballast bed.
5. The built-in type regional pump room of the rail transit shield tunnel according to claim 1, characterized in that: the sand sediment trap (7) is arranged in the middle of the ballast bed, the sand sediment trap (7) is connected with the water collecting tank (2) through a water channel (11), and grids are arranged on two sides of the water channel (11).
6. The built-in type regional pump room of the rail transit shield tunnel according to claim 1, characterized in that: and water-swelling polyurethane water-stop glue is arranged between the ballast bed (1) and the duct piece (12).
7. The built-in type regional pump room of the rail transit shield tunnel according to claim 1, characterized in that: and the space outside the pump pit of the pipe piece (12) is filled with sulphoaluminate micro-expansion cement (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220662552.9U CN217999654U (en) | 2022-03-25 | 2022-03-25 | Built-in type interval pump room of rail transit shield tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220662552.9U CN217999654U (en) | 2022-03-25 | 2022-03-25 | Built-in type interval pump room of rail transit shield tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217999654U true CN217999654U (en) | 2022-12-09 |
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ID=84288084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220662552.9U Active CN217999654U (en) | 2022-03-25 | 2022-03-25 | Built-in type interval pump room of rail transit shield tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217999654U (en) |
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- 2022-03-25 CN CN202220662552.9U patent/CN217999654U/en active Active
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