CN212926402U - Water grate for drainage ditch in subway station - Google Patents
Water grate for drainage ditch in subway station Download PDFInfo
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- CN212926402U CN212926402U CN202021616804.1U CN202021616804U CN212926402U CN 212926402 U CN212926402 U CN 212926402U CN 202021616804 U CN202021616804 U CN 202021616804U CN 212926402 U CN212926402 U CN 212926402U
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- angle steel
- drainage
- subway station
- layer
- cover plate
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Abstract
The utility model discloses a drain water grate in subway station, base including two sides opposite face is arranged and arrange the drainage cover plate on two bases, still including being used for falling the skid-proof rubber pad of making an uproar, the base includes by lower supreme connecting portion and the spacing portion of arranging in proper order, connecting portion pass through expansion bolts and fix on the structural layer in the subway station, form the drainage chamber in escape canal between the connecting portion of two bases, drainage cover plate lid dress is in the spacing portion of two bases, the rubber pad bonds on each spacing portion and with the drainage cover plate bottom surface about the butt joint arrange, it has the waterproof layer to coat on the structural layer between the opposite face of two connecting portions and two connecting portions. The utility model can increase the connecting strength between the base and the structural layer, and reduce the loosening phenomenon caused by long-time treading; the damage to the contact surface between the drainage cover plate and the base can be effectively reduced, and the noise caused by shaking during treading can be reduced; the drainage cover plate can be prevented from shaking and colliding with the ground stone layer, and the engineering quality is guaranteed.
Description
Technical Field
The utility model relates to a subway drainage technology field especially relates to a water grate for ditch in subway station.
Background
In the construction of urban subway rail transit, the construction of drainage ditches in subway stations is an important project of subway construction and construction processes. The construction of the drainage ditch in the existing subway station is that a template of the drainage ditch is firstly built on a structural layer, then concrete is poured on the structural layer through the model, a base of the water grate is directly embedded and installed on the upper part of the concrete layer in the pouring process, then a waterproof layer is coated on the concrete surface below the base, and finally a cover plate of the water grate is placed on the base.
After long-term use practice, the common water grate mounting structure sheet has the following problems: firstly, the base and the concrete are fixed only through the bonding force of the concrete, and after long-time treading and use, the loosening phenomenon is easily caused at the joint of the base and the concrete, so that the waterproof layer of the drainage ditch is damaged, and the service life of the engineering is influenced; secondly, the ditch cover plate is directly covered on the base, and the contact surface between the ditch cover plate and the base is easy to damage and corrode and rust; after long-time treading, the ditch cover plate is easy to deform under pressure, the contact between the bottom surface of the ditch cover plate and the base is contacted by a surface contact deflection point, and treading is easy to shake to generate sound; fourth, for putting into the ditch apron, the distance between base top both sides interplate must be greater than the width of ditch apron, and in the use, the ditch apron rocks about on the base, easily collides with the panel side, leads to the condition that the panel edge appears damaged and splits, influences the engineering quality.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's weak point, provide a be better, be difficult for the water grate for gutter in subway station who rocks when trampling of quality.
The utility model provides a water grate for drainage ditch in subway station, including the base that two sides were arranged to the face and arrange the drainage cover plate on two bases, still including being used for falling the skid-proof rubber pad of making an uproar, the base includes by lower supreme connecting portion and the spacing portion of arranging in proper order, and connecting portion pass through expansion bolts to be fixed on the structural layer in subway station, forms the drainage chamber in escape canal between the connecting portion of two bases, and drainage cover plate lid dress is in the spacing portion of two bases, and the rubber pad bonds in each spacing portion and with the drainage cover plate bottom surface about the butt joint arrange, and it has the waterproof layer to coat on the structural layer between the face in opposite directions of two connecting portions and two connecting portions.
The structural layer outside the base is provided with a concrete cushion layer, a dry and hard cement mortar layer and a ground stone layer from bottom to top, the top surface of the concrete cushion layer is arranged in parallel with the top surface of the connecting part, and the ground stone layer is arranged in horizontal clearance with the limiting part.
And a sealing glue for closing is filled between the ground stone layer and the limiting part.
And a square tube reinforcing rib is arranged at the bottom of the drainage cover plate.
The connecting part comprises upper angle steel, lower angle steel and a plurality of angle steel reinforcing ribs which are arranged face to face and connected between the upper angle steel and the lower angle steel at intervals, the cross section of the connecting part is surrounded by the upper angle steel, the lower angle steel and the angle steel reinforcing ribs to form a frame shape, the expansion bolt penetrates through the lower angle steel to be fixedly connected with the structural layer, and the vertical sections of the upper angle steel and the lower angle steel face the drainage cavity.
The limiting portion is made of angle steel, the horizontal section of the limiting portion is fixedly connected to the horizontal section of the upper angle steel, the rubber pad is bonded to the horizontal section of the limiting portion, and the inner surface of the vertical section of the limiting portion is arranged towards the drainage cavity.
The utility model mechanically connects the base and the structural layer through the expansion bolt, which can effectively increase the connection strength between the base and the structural layer, reduce the loosening phenomenon caused by long-time treading use and prolong the service time of the integrity of the waterproof layer; the rubber pad is additionally arranged between the drainage cover plate and the base, so that the damage to the contact surface between the drainage cover plate and the base can be effectively reduced, and the sound caused by shaking during treading can be reduced; through setting up spacing portion, can make things convenient for the installation location of drainage apron, can prevent again that drainage apron from rocking the ground stone layer of collision, guarantee the engineering quality.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic sectional view of A-A in FIG. 1.
Fig. 3 is an enlarged schematic view of B in fig. 2.
The labels shown in the figures and the corresponding component names are:
1. a structural layer;
2. a base; 21. a connecting portion; 22. a limiting part; 211. upper angle steel; 212. lower angle steel; 213. reinforcing ribs for angle steels; 221. sealing glue;
3. a drain cover plate; 31. reinforcing ribs for the square pipes;
4. a rubber pad;
5. an expansion bolt;
6. a drainage cavity;
7. a waterproof layer;
8. a concrete cushion; 9. a hard cement mortar layer; 10. a ground stone layer.
Detailed Description
As can be seen from fig. 1 to 3, the utility model discloses a drain water grate for drainage ditch in subway station, including two bases 2, a drainage apron 3, at least two antiskid rubber pads 4 that are used for making an uproar, a plurality of expansion bolts 5 fall, two bases 2 all include from lower to upper welded connection's connecting portion 21 and spacing portion 22 in proper order, two bases 2 are arranged face to face on structural layer 1 in subway station, connecting portion 21 of two bases 2 all is through corresponding expansion bolts 5 and structural layer 1 fixed connection, form the drainage chamber 6 of escape canal between the connecting portion 21 of two bases 2, it has waterproof layer 7 to coat on the structural layer 1 between the facing surface of two connecting portions 21 and two connecting portions 21; the rubber pads 4 are bonded on the limiting parts 22 of the two bases 2 through viscose glue, the drainage cover plate 3 is covered on the limiting parts 22 of the two bases 2, and the bottom surface of the drainage cover plate 3 is in up-down butt joint with the top surfaces of the rubber pads 4.
From fig. 1 to 3 can see, use the utility model discloses during the structure escape canal, need on structural layer 1 in the base 2 outside by lower supreme arranging concrete cushion 8, dry and hard cement mortar layer 9 and ground stone material layer 10, concrete cushion 8 top surface and 21 top surfaces parallel and level of connecting portion arrange, ground stone material layer 10 arranges with spacing 22 horizontal gap, and it has the sealed glue 221 of black polychloroprene type of binding off usefulness to fill between ground stone material layer 10 and spacing 22.
As can be seen from fig. 1 to 3, the square tube reinforcing rib 31 made of stainless steel is welded along the transverse direction of the inner side of the bottom of the drain cover plate 3.
From fig. 1 to 3 can see, the utility model discloses a connecting portion 21 is including face-to-face last angle steel 211 and lower angle steel 212 of arranging, the several is fixed at the angle steel stiffening rib 213 between last angle steel 211 and lower angle steel 212 through the mode interval that full weld is connected, spacing portion 22 is for being made by hot dip galvanizing angle steel, connecting portion 21's cross section is by last angle steel 211, lower angle steel 212 and angle steel stiffening rib 213 surround and form the frame form, expansion bolts 5 passes down angle steel 212's horizontal segment and structural layer 1 fixed connection, the surface of the vertical section of last angle steel 211 and lower angle steel 212 arranges towards the drainage chamber, spacing portion 2's horizontal segment is on last angle steel 212's horizontal segment through full weld connection's mode fixed connection, rubber pad 4 bonds on spacing portion 2's horizontal segment, spacing portion 2 vertical section's internal surface arranges towards drainage chamber 6.
The utility model discloses in, go up angle steel 211 and angle steel 212 and make by L70x5mm thick hot dip galvanizing angle steel, angle steel stiffening rib 213 is made by L50x5mm hot dip galvanizing angle steel and adjacent angle steel stiffening rib 213 interval 600mm arranges that 4 thick 3mm of rubber pad, expansion bolts 5 adopt M10 zinc-plated expansion bolt, and waterproof layer 7 is the thick monocomponent polychloroprene water proof coating layer of 2 mm.
The utility model discloses a welding point all needs to derust, applies paint with a brush the anti rust paint and handles.
Claims (6)
1. The utility model provides a water grate for ditch in subway station, includes base (2) that two sides were arranged to the face and arranges drain cover board (3) on two bases, its characterized in that: still including being used for making an uproar skid-proof rubber pad (4) falls, the base includes connecting portion (21) and spacing portion (22) arranged by supreme lower in proper order, and connecting portion pass through expansion bolts (5) to be fixed on structural layer (1) in the subway station, forms drainage chamber (6) in escape canal between the connecting portion of two bases, and the drainage apron lid is adorned in the spacing portion of two bases, and the rubber pad bonds and arranges with the upper and lower butt joint of drainage apron bottom surface in each spacing portion, and it has waterproof layer (7) to coat on the structural layer between the face in opposite directions of two connecting portions and two connecting portions.
2. The water grate for the drainage ditch in the subway station as claimed in claim 1, wherein: by supreme arranging concrete cushion (8), dry hard cement mortar layer (9) and ground stone material layer (10) down on the structural layer in the base outside, concrete cushion top surface and connecting portion top surface parallel and level are arranged, and ground stone material layer and spacing portion horizontal gap arrange.
3. The water grate for the drainage ditch in the subway station as claimed in claim 2, wherein: and a sealing glue (221) for closing in is filled between the ground stone layer and the limiting part.
4. The water grate for the drainage ditch in the subway station as claimed in claim 1, wherein: and a square tube reinforcing rib (31) is arranged at the bottom of the drainage cover plate.
5. The water grate for the drainage ditch in the subway station as claimed in claim 1, wherein: the connecting part comprises upper angle steel (211) and lower angle steel (212) which are arranged face to face, and a plurality of angle steel reinforcing ribs (213) which are connected between the upper angle steel and the lower angle steel at intervals, the cross section of the connecting part is surrounded by the upper angle steel, the lower angle steel and the angle steel reinforcing ribs to form a frame shape, the expansion bolt penetrates through the lower angle steel to be fixedly connected with the structural layer, and the vertical sections of the upper angle steel and the lower angle steel are arranged facing the drainage cavity.
6. The water grate for the drainage ditch in the subway station as claimed in claim 5, wherein: the limiting portion is made of angle steel, the horizontal section of the limiting portion is fixedly connected to the horizontal section of the upper angle steel, the rubber pad is bonded to the horizontal section of the limiting portion, and the inner surface of the vertical section of the limiting portion is arranged towards the drainage cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021616804.1U CN212926402U (en) | 2020-08-06 | 2020-08-06 | Water grate for drainage ditch in subway station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021616804.1U CN212926402U (en) | 2020-08-06 | 2020-08-06 | Water grate for drainage ditch in subway station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212926402U true CN212926402U (en) | 2021-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021616804.1U Active CN212926402U (en) | 2020-08-06 | 2020-08-06 | Water grate for drainage ditch in subway station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212926402U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673243A (en) * | 2022-04-19 | 2022-06-28 | 山东轨道交通勘察设计院有限公司 | Rail transit existing station structure seam drainage structure and construction method |
-
2020
- 2020-08-06 CN CN202021616804.1U patent/CN212926402U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673243A (en) * | 2022-04-19 | 2022-06-28 | 山东轨道交通勘察设计院有限公司 | Rail transit existing station structure seam drainage structure and construction method |
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