CN210561479U - Plate type ballast bed structure for built-in pump room of subway - Google Patents
Plate type ballast bed structure for built-in pump room of subway Download PDFInfo
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- CN210561479U CN210561479U CN201921269638.XU CN201921269638U CN210561479U CN 210561479 U CN210561479 U CN 210561479U CN 201921269638 U CN201921269638 U CN 201921269638U CN 210561479 U CN210561479 U CN 210561479U
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Abstract
The utility model is suitable for a railway and urban rail transit field provide a board-like railway roadbed structure for built-in pump house of subway, include the body subassembly and be used for discharging the drainage subassembly of the inside ponding of body subassembly, the body subassembly includes base, mortar adjustment layer and track board, the mortar adjustment layer is provided with two parts, the track board is located two parts between the mortar adjustment layer, just the base with the track board passes through mortar adjustment layer fixed connection, the sump pit has been seted up to the intermediate position department of base, be provided with waterproof steel groove on the lateral wall of sump pit, through setting up waterproof steel groove makes waterproof steel groove keeps apart inside ponding and railway roadbed structure to effectively prevent that ponding from entering the inside of railway roadbed structure, make the problem of water damage appears in the railway roadbed structure.
Description
Technical Field
The utility model belongs to railway and urban rail transit field especially relate to a plate-type ballast bed structure that is used for built-in pump house of subway.
Background
In order to meet the requirement of drainage in urban rail transit tunnels, an externally-hung pump house is usually arranged at the lowest point of an interval tunnel, and the externally-hung pump house is usually constructed by a freezing method, so that the risk coefficient is high, the construction period is long, and the construction cost is high. Based on the method, a plurality of cities try to cancel an externally-hung pump room, and a built-in pump room is arranged in a track structure instead of the externally-hung pump room, so that the built-in pump room reduces the civil construction risk and reduces the whole construction cost of the project, wherein the built-in pump room is internally provided with a submersible pump in a ballast bed structure, the middle part of the ballast bed is provided with a groove, and a pipeline attached to the water pump is provided with a groove and a hole in the ballast bed, so that the accumulated water in the interior is discharged through the water pump and the pipeline.
In the case of long-term water storage of the built-in pump room in the prior art, accumulated water can often enter the inside of the ballast bed structure, so that water damage occurs to the ballast bed structure; the ballast bed is of a cast-in-place concrete structure, and when the subsidiary pipelines of the water pump are grooved and punched, the measures weaken the ballast bed structure and influence the stability and durability of the track structure; the upper part of the sump pit is not provided with the cover plate, so that the maintenance personnel can not walk conveniently, accumulated water is not separated from metal parts such as steel rails and fasteners, a large amount of corrosion of the steel rails and the fasteners is caused, and the normal use is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a board-like railway roadbed structure for built-in pump house of subway aims at solving prior art's built-in pump house under the condition of depositing water for a long time, and ponding can often enter into the inside of railway roadbed structure for the problem of water damage appears in the railway roadbed structure, and need slot and punch the subsidiary pipeline of water pump in the construction process, makes the railway roadbed structure cause the weakening.
The utility model discloses a realize like this, a board-like railway roadbed structure for built-in pump house of subway, including body subassembly and the drainage subassembly that is used for discharging body subassembly inside ponding, the body subassembly includes base, shield structure section of jurisdiction, mortar adjustment layer and track board, the base is cast in situ concrete structure, and is located the top of shield structure section of jurisdiction, the shield structure section of jurisdiction with base fixed connection, the mortar adjustment layer is provided with two parts, and two parts the mortar adjustment layer symmetry sets up on the base, the track board is located between two parts the mortar adjustment layer, and the base with the track board passes through mortar adjustment layer fixed connection;
a steel rail is arranged above the track plate, fasteners are arranged on the outer side wall and the bottom of the steel rail, the steel rail is connected with the track plate through the fasteners, a water collecting pit is formed in the middle of the base, a waterproof steel groove is formed in the inner side wall of the water collecting pit, a plurality of track plates are arranged, plate seams are formed between every two adjacent track plates, and a maintenance opening is formed in the middle of each track plate;
the drainage assembly comprises a water pump, a drainage pipe and a rail passing pipe, the water pump is located inside the waterproof steel groove, the water pump is fixedly connected with the waterproof steel groove, the drainage pipe is located on the left side of the water pump, one end of the drainage pipe is communicated with the water pump, and the rail passing pipe penetrates through the plate seam and is communicated with the other end of the drainage pipe.
Preferably, the body assembly further comprises a first set of reinforcing steel bars, wherein the first set of reinforcing steel bars extend into the base and a certain length in the shield segment and are fixedly connected with the base and the shield segment.
Preferably, a door-shaped steel bar is arranged on the lower surface of the track plate, and the track plate and the mortar adjusting layer are fixedly connected through the door-shaped steel bar.
Preferably, the left side and the right side of the waterproof steel groove are provided with a second group of steel bars, and the waterproof steel groove is fixedly connected with the second group of steel bars.
Preferably, two groups of waterproof materials are filled in the mortar adjusting layer, the joint of the track plate and the waterproof steel groove and the joint of the base and the shield segment, wherein the first group of waterproof materials are fixed on the waterproof steel groove through caulking treatment; and the second group of waterproof materials are fixed on the shield pipe sheet through caulking treatment.
Preferably, the fastener is provided with a plurality of, and a plurality of the fasteners are evenly distributed on the track slab.
Preferably, the track plate is a frame-type track plate, a cross beam is arranged in the middle of the track plate, bolt holes are formed in the upper surface of the cross beam, and multiple groups of bolt holes are formed in the bolt holes;
the maintenance opening is located between two of the cross beams and corresponds to the water collecting pit.
Preferably, the body assembly further comprises a water channel cover plate and a bolt, the bolt is matched with the bolt hole, and the water channel cover plate is fixed on the track plate cross beam through the bolt;
the ditch cover plate with fastener parallel arrangement, just the ditch cover plate passes through the bolt with the connection can be dismantled to the bolt hole.
Compared with the prior art, the beneficial effects of the utility model are that: the waterproof steel groove is arranged, the waterproof material is arranged at the joint part, and the first group of reinforcing steel bars and the second group of reinforcing steel bars are arranged, so that accumulated water in the waterproof steel groove is isolated from the ballast bed to form a complete waterproof structure, and the accumulated water is effectively prevented from entering the ballast bed structure; the upper part of the track structure adopts a prefabricated track plate, compared with a cast-in-place concrete structure, the track plate is prefabricated in a factory, the production and manufacturing precision is high, the quality is good, and the durability of the track structure is improved; a slab joint is formed between the track slab and the track slab, and a water pump auxiliary pipeline can pass through the slab joint, so that grooving and punching on a track bed are avoided, and the track structure cannot be weakened; the cover plate is arranged on the cross beam of the track plate, so that the maintenance personnel can walk conveniently, accumulated water, the steel rail and the fasteners are isolated, the corrosion degree of the steel rail and the fasteners is reduced, and the service life is prolonged.
Drawings
Fig. 1 is a top view of the present invention;
fig. 2 is a cross-sectional view of the track structure of the present invention;
FIG. 3 is a schematic view of the assembled cover plate of the utility model after being assembled;
FIG. 4 is an enlarged view of portion A of FIG. 2;
FIG. 5 is an enlarged view of the portion B of FIG. 2;
in the figure: 1-body component, 11-base, 12-shield segment, 13-mortar adjusting layer, 14-track plate, 15-steel rail, 16-slab joint, 17-first group of steel bars, 18-fastener, 19-ditch cover plate, 111-sump pit, 112-waterproof steel trough, 113-second group of steel bars, 114-waterproof material, 141-door type steel bars, 142-bolt hole, 143-maintenance opening, 191-bolt, 2-drainage component, 21-water pump, 22-drainage pipe and 23-rail passing pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-5, a slab track bed structure for a built-in pump room of a subway comprises a body assembly 1 and a drainage assembly 2 for draining accumulated water in the body assembly 1, wherein the body assembly 1 comprises a base 11, a shield segment 12, a mortar adjusting layer 13 and a track plate 14, the base 11 is of a cast-in-place concrete structure and is positioned above the shield segment 12, the shield segment 12 is fixedly connected with the base 11, the mortar adjusting layer 13 is provided with two parts, the mortar adjusting layers 13 of the two parts are symmetrically arranged on the base 11, the track plate 14 is positioned between the mortar adjusting layers 13 of the two parts, and the base 11 and the track plate 14 are fixedly connected through the mortar adjusting layer 13;
a steel rail 15 is arranged above the track plate 14, fasteners 18 are arranged on the outer side wall and the bottom of the steel rail 15, the steel rail 15 is connected with the track plate 14 through the fasteners 18, a water collecting pit 111 is formed in the middle of the base 11, a waterproof steel groove 112 is formed in the inner side wall of the water collecting pit 111, a plurality of track plates 14 are arranged, plate seams 16 are formed between adjacent track plates 14, and a maintenance opening 143 is formed in the middle of each track plate 14;
the drainage assembly 2 comprises a water pump 21, a drainage pipe 22 and a rail passing pipe 23, the water pump 21 is located inside the waterproof steel groove 112, the water pump 21 is fixedly connected with the waterproof steel groove 112, the drainage pipe 22 is located on the left side of the water pump 21, one end of the drainage pipe 22 is communicated with the water pump 21, and the rail passing pipe 23 penetrates through the plate seam 16 and is communicated with the other end of the drainage pipe 22.
In the present embodiment, the mortar adjustment layer 13 is an L-shaped structure, so that the mortar adjustment layer 13 is poured under and on both sides of the track slab 14, thereby providing a complete limit for the track slab 14; the waterproof steel tank 112 is made of stainless steel, and the stainless steel is corrosion-resistant and oxidation-resistant, so that the waterproof steel tank 112 can effectively prevent accumulated water from entering the concrete; the sump 111 that the base 11 was seted up is central sump, and the sump 111 after seting up divides the inside of base 11 into two parts about, and has kept the concrete layer of certain thickness between two parts, as the transverse connection between two parts about to increase the wholeness of structure, waterproof material 114 is petroleum asphalt polyurethane.
In this embodiment, firstly, a sump 111 is formed in the middle of the base 11, a waterproof steel trough 112 is installed on the outer side wall of the sump 111, then the steel rail 15, the fastener 18 and the track slab 14 are erected, at this time, the track slab 14 is suspended on the base 11, the position of the track slab 14 can be adjusted according to the requirement of an operator, then the track slab 14 is installed on the base 11 through the mortar adjusting layer 13, and every two track slabs 14 are installed on the base 11 with a certain distance, so as to form a slab joint 16, then a rail pipe 23 is installed in the slab joint 16, and a drain pipe 22 is connected, so that water in the drain pipe 22 is discharged to the outside through the rail pipe 23, and finally the water pump 21 is placed into the waterproof steel trough 112, so that accumulated water is effectively prevented from entering the inside of the track bed structure, and the problem of water damage occurs to the track bed structure.
Further, body subassembly 1 still includes first set of reinforcing bar 17, and certain length in first set of reinforcing bar 17 stretched into base 11 and shield constructs section of jurisdiction 12 to with base 11 and shield construct section of jurisdiction 12 fixed connection.
In the embodiment, the first set of steel bars 17 are arranged, so that the connection between the shield segment 12 and the base 11 is enhanced through the connection of the first set of steel bars 17, and the sump 111 is formed in the middle of the base 11, which does not weaken the strength of the track bed.
Further, a door-shaped reinforcing steel bar 141 is arranged on the lower surface of the track plate 14, and the track plate 14 and the mortar adjustment layer 13 are fixedly connected through the door-shaped reinforcing steel bar 141.
In the present embodiment, the gate-shaped reinforcing bars 141 are provided so as to reinforce the connection between the track plate 14 and the base 11, thereby providing a firm connection condition for the rails 15.
Furthermore, a second group of steel bars 113 are arranged on the left side and the right side of the waterproof steel groove 112, and the waterproof steel groove 112 is fixedly connected with the second group of steel bars 113.
In this embodiment, through setting up second group reinforcing bar 113 for through the connection of second group reinforcing bar 113, strengthen being connected of waterproof steel trough 112 and base 11, thereby make ponding can not get into the inside of ballast bed structure.
Further, two groups of waterproof materials 114 are filled at the joint of the mortar adjusting layer 13, the track plate 14 and the waterproof steel groove 112 and the joint of the base 11 and the shield segment 12, wherein the first group of waterproof materials 114 are fixed on the waterproof steel groove 112 through caulking; the second set of waterproof material 114 is secured to the shield segments 12 by caulking.
In the embodiment, the waterproof material 114 is filled at the joint of the mortar adjusting layer 13, the track slab 14 and the waterproof steel groove 112, so that accumulated water is prevented from entering the internal structure of the ballast bed, and the waterproof steel groove 112 is fixed by caulking, so that the slab surface at the joint is flat and smooth, and the waterproof effect is better;
through being provided with waterproof material 114 of second group on the junction at base 11 and shield structure section of jurisdiction 12 to avoid ponding to enter into ballast bed inner structure, fix on shield structure section of jurisdiction 12 through inlaying the processing of sealing, make seam crossing level and smooth, water-proof effects is better.
Further, the fastener 18 is provided in plurality, and the plurality of fasteners 18 are uniformly distributed on the track plate 14.
In the present embodiment, the rail 15 is firmly fixed to the rail plate 14 by providing a plurality of clips 18.
Further, the track plate 14 is a frame-type track plate, a beam is arranged in the middle, bolt holes 142 are formed in the upper surface of the beam, and multiple groups of bolt holes 142 are formed in the bolt holes 142;
the maintenance opening 143 is located between two of the beams, and the maintenance opening 143 corresponds to the water collecting pit 111.
In the present embodiment, by providing the bolt holes 142, the gutter cover 19 is fixed to the rail plate 14 by the bolts 191 and the bolt holes 142;
through setting up maintenance mouth 143, and maintenance mouth 143 and sump pit 111 are corresponding, when water pump 21 takes place machine trouble, just can take out water pump 21 through maintenance mouth 143 to make things convenient for operating personnel's taking out and taking, and saved very big part time.
Further, the body component 1 further comprises a ditch cover plate 19 and a bolt 191, the bolt 191 is matched with the bolt hole 142, and the ditch cover plate 19 is fixed on the track plate cross beam through the bolt 191;
the gutter cover 19 and the fastener 18 are arranged in parallel, and the gutter cover 19 is detachably attached by bolts 191 and bolt holes 142.
In the present embodiment, the bolts 191 are arranged and the bolts 191 and the bolt holes 142 are adapted to fix the gutter cover 19 to the track plate 14, so that the corrosion of the water vapor in the waterproof steel groove 112 to the metal parts such as the steel rail and the fastener is effectively avoided.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (8)
1. The utility model provides a board-like railway roadbed structure for built-in pump house of subway, includes body subassembly (1) and drainage subassembly (2) that are used for discharging the inside ponding of body subassembly (1), its characterized in that: the body assembly (1) comprises a base (11), a shield segment (12), a mortar adjusting layer (13) and a track plate (14), wherein the base (11) is of a cast-in-place concrete structure and is positioned above the shield segment (12), the shield segment (12) is fixedly connected with the base (11), the mortar adjusting layer (13) is provided with two parts, the mortar adjusting layers (13) of the two parts are symmetrically arranged on the base (11), the track plate (14) is positioned between the mortar adjusting layers (13) of the two parts, and the base (11) is fixedly connected with the track plate (14) through the mortar adjusting layer (13);
a steel rail (15) is arranged above the track plate (14), fasteners (18) are arranged on the outer side wall and the bottom of the steel rail (15), the steel rail (15) and the track plate (14) are connected through the fasteners (18), a water collecting pit (111) is formed in the middle of the base (11), waterproof steel grooves (112) are formed in the inner side wall of the water collecting pit (111), a plurality of track plates (14) are arranged, plate seams (16) are formed between every two adjacent track plates (14), and a maintenance opening (143) is formed in the middle of each track plate (14);
drainage subassembly (2) include water pump (21), drain pipe (22) and cross rail pipe (23), water pump (21) are located the inside of waterproof steel bay (112), just water pump (21) with waterproof steel bay (112) fixed connection, drain pipe (22) are located the left side of water pump (21), just the one end of drain pipe (22) with water pump (21) are linked together, cross rail pipe (23) and run through board seam (16), and with the other end of drain pipe (22) is linked together.
2. The slab track bed structure for the built-in pump room of the subway as claimed in claim 1, wherein: body subassembly (1) still includes first set of reinforcing bar (17), first set of reinforcing bar (17) stretch into base (11) with shield constructs certain length in section of jurisdiction (12), and with base (11) with shield constructs section of jurisdiction (12) fixed connection.
3. The slab track bed structure for the built-in pump room of the subway as claimed in claim 1, wherein: the lower surface of the track plate (14) is provided with a door-shaped reinforcing steel bar (141), and the track plate (14) and the mortar adjusting layer (13) are fixedly connected through the door-shaped reinforcing steel bar (141).
4. The slab track bed structure for the built-in pump room of the subway as claimed in claim 1, wherein: the left side and the right side of the waterproof steel groove (112) are provided with a second group of steel bars (113), and the waterproof steel groove (112) is fixedly connected with the second group of steel bars (113).
5. The slab track bed structure for the built-in pump room of the subway as claimed in claim 1, wherein: two groups of waterproof materials (114) are filled at the joint of the mortar adjusting layer (13), the track plate (14) and the waterproof steel groove (112) and the joint of the base (11) and the shield segment (12), wherein the first group of waterproof materials (114) are fixed on the waterproof steel groove (112) through caulking treatment; and the second group of waterproof materials (114) are fixed on the shield segment (12) through caulking treatment.
6. The slab track bed structure for the built-in pump room of the subway as claimed in claim 1, wherein: the fastener (18) is provided with a plurality of fasteners, and the fasteners (18) are uniformly distributed on the track plate (14).
7. The slab track bed structure for the built-in pump room of the subway as claimed in claim 6, wherein: the track plate (14) is a frame-type track plate, a beam is arranged in the middle of the track plate, bolt holes (142) are formed in the upper surface of the beam, and multiple groups of bolt holes (142) are formed in the beam;
the maintenance opening (143) is located between two cross beams, and the maintenance opening (143) corresponds to the water collecting pit (111).
8. The slab track bed structure for the built-in pump room of the subway as claimed in claim 7, wherein: the body assembly (1) further comprises a ditch cover plate (19) and a bolt (191), the bolt (191) is matched with the bolt hole (142), and the ditch cover plate (19) is fixed on the track plate cross beam through the bolt (191);
the ditch cover plate (19) and the fastener (18) are arranged in parallel, and the ditch cover plate (19) is detachably connected with the bolt hole (142) through the bolt (191).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921269638.XU CN210561479U (en) | 2019-08-06 | 2019-08-06 | Plate type ballast bed structure for built-in pump room of subway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921269638.XU CN210561479U (en) | 2019-08-06 | 2019-08-06 | Plate type ballast bed structure for built-in pump room of subway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210561479U true CN210561479U (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921269638.XU Active CN210561479U (en) | 2019-08-06 | 2019-08-06 | Plate type ballast bed structure for built-in pump room of subway |
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| CN (1) | CN210561479U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115613398A (en) * | 2022-08-26 | 2023-01-17 | 北京城建设计发展集团股份有限公司 | Prefabricated track structure for built-in pump house section of track traffic and construction method |
-
2019
- 2019-08-06 CN CN201921269638.XU patent/CN210561479U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115613398A (en) * | 2022-08-26 | 2023-01-17 | 北京城建设计发展集团股份有限公司 | Prefabricated track structure for built-in pump house section of track traffic and construction method |
| CN115613398B (en) * | 2022-08-26 | 2023-10-10 | 北京城建设计发展集团股份有限公司 | Prefabricated track structure for track traffic built-in pump house section and construction method |
| WO2024041054A1 (en) * | 2022-08-26 | 2024-02-29 | 北京城建设计发展集团股份有限公司 | Prefabricated track structure for built-in pump house section in rail transportation and construction method |
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