CN214089973U - Double-deck open cut tunnel and watertight door structure of two-deck empty cabin manhole thereof - Google Patents
Double-deck open cut tunnel and watertight door structure of two-deck empty cabin manhole thereof Download PDFInfo
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- CN214089973U CN214089973U CN202022279536.5U CN202022279536U CN214089973U CN 214089973 U CN214089973 U CN 214089973U CN 202022279536 U CN202022279536 U CN 202022279536U CN 214089973 U CN214089973 U CN 214089973U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims description 29
- 230000000903 blocking effect Effects 0.000 abstract description 6
- 239000008400 supply water Substances 0.000 abstract description 2
- 238000007689 inspection Methods 0.000 abstract 2
- 230000001681 protective effect Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 241000282326 Felis catus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model provides a two-layer empty cabin access system in double-deck open cut tunnel and watertight door structure of access hole. The double-layer open-cut tunnel comprises structure side walls, a structure top plate, a structure bottom plate and a structure middle plate horizontally arranged between the structure side walls on the two sides. The structure medium plate separates into the empty cabin and drives a vehicle layer with the tunnel, has seted up the inspection hole on the structure medium plate, and the maintainer can get into two layers of empty cabin overhauls, and watertight door structure is installed to the bottom of inspection hole. The pre-buried drain pipe in the tunnel side wall beside the manhole can supply water in the empty cabin to drain into the tunnel drainage ditch through the drain pipe as a priority drainage measure. The upper edge of the access hole is provided with a water blocking ridge as a second water blocking measure, water in the empty cabin can be prevented from flowing into the access hole, and the watertight door can play a final water blocking role. It can be seen that, the utility model discloses a set up drain pipe, manger plate bank and watertight door, solved effectively and leaked and influence the vehicle current and erode the problem of tunnel side wall because of the access hole.
Description
Technical Field
The utility model belongs to double-deck open cut tunnel field especially relates to a double-deck open cut tunnel and watertight door structure of two layers of empty cabin access holes thereof.
Background
With the rapid development of traffic construction in China, cities in China often need to build a large number of underground tunnels, and when the buried depth of the tunnels is too large, two layers of empty cabins need to be arranged to reduce the stress of the tunnel structure, after the tunnels are used for a long time, common diseases such as cracks, water seepage and the like can occur, and if effective countermeasures are not taken, the passing safety of the tunnels is seriously influenced.
At present, in most double-layer open-cut tunnels in China, maintainers cannot enter a double-layer empty cabin to overhaul. However, the problem of water immersion or water leakage may exist in the two-layer empty cabin, and if the maintainer cannot enter the two-layer empty cabin for maintenance, serious potential safety hazards are generated on the tunnel structure, so that the traffic safety is affected.
For this reason, it is necessary to provide manholes for the two-storey empty cabins and to design corresponding drainage facilities.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a double-deck open cut tunnel and watertight door structure of two layers of empty cabin manhole thereof aims at solving among the prior art that the maintainer can't get into two layers of empty cabin and overhauls to and two layers of empty cabin do not have the problem of drainage facility.
The utility model discloses a double-deck open cut tunnel, including the structure side wall that is located both sides, the structure roof that is located the top, the structure bottom plate that is located the bottom and the structure medium plate that the level set up between the structure side wall of both sides, the structure medium plate separates the tunnel into the empty cabin that is located the upper strata and the driving layer that is located the lower floor; the structure middle plate is provided with an access hole, the bottom end of the access hole is provided with a watertight door structure for sealing the access hole, the periphery of the structure middle plate at the top end of the access hole is provided with a convex plain concrete water retaining ridge, the position of the structure side wall corresponding to the structure middle plate extends to form an inclined part, a drain hole is arranged between the inclined part and the plain concrete water retaining ridge, and the structure side wall is pre-embedded with a vertically arranged hidden drain pipe; the bottom of the traveling crane layer is close to a drainage ditch arranged at the position of the side wall of the structure, the top end of the drainage pipe is connected into the drainage hole, and the bottom end of the drainage pipe is connected into the drainage ditch.
Furthermore, the watertight door structure comprises a well cover, a first fixing seat, a second fixing seat, a hand wheel, a screw, a bolt and a sealing rubber ring; the first fixing seat and the second fixing seat are respectively fixed on two opposite sides of the bottom end of the manhole, one side of the well lid is hinged to the first fixing seat, and the other side of the well lid is provided with a mounting hole; the top end of the screw is mounted on the second fixing seat through the bolt, the other end of the screw penetrates through a mounting hole of the well lid, the hand wheel can be in threaded connection with the screw, the hand wheel is screwed down, and the hand wheel can tightly press the well lid; the sealing rubber ring is fixed on the top surface of the well lid, and when the well lid is closed, the sealing rubber ring seals the periphery of the access hole.
Furthermore, the bottom of manhole encloses and is equipped with the manhole protective shroud, the cross sectional shape of sealing rubber circle with the cross sectional shape phase-match of manhole protective shroud.
Further, the top of sealing rubber circle is provided with the recess, works as when the well lid is closed, the manhole protective shroud embedding in the recess.
Furthermore, the upper cover of the drain hole is covered with a grid.
Furthermore, the top surface of the structure middle plate is a plane with a slope, and one side of the structure middle plate close to the drainage hole is lower than one side far away from the drainage hole.
Furthermore, a telescopic ladder stand is installed on the wall of the access hole.
The utility model also provides a watertight door structure for realizing the purpose of the utility model, which comprises a well cover, a first fixed seat, a second fixed seat, a hand wheel, a screw rod, a bolt and a sealing rubber ring; the first fixing seat and the second fixing seat are respectively fixed on two opposite sides of the bottom end of the manhole, one side of the well lid is hinged to the first fixing seat, and the other side of the well lid is provided with a mounting hole; the top end of the screw is mounted on the second fixing seat through the bolt, the other end of the screw penetrates through a mounting hole of the well lid, the hand wheel can be in threaded connection with the screw, the hand wheel is screwed down, and the hand wheel can tightly press the well lid; the sealing rubber ring is fixed on the top surface of the well lid, and when the well lid is closed, the sealing rubber ring seals the periphery of the access hole.
Furthermore, the central area of the top of the hand wheel is raised upwards to form a pressing part, and the top surface of the pressing part is a plane.
Compared with the prior art, the utility model, beneficial effect lies in:
the utility model discloses be provided with the access hole in the two-layer empty cabin in double-deck open cut tunnel, can supply the maintainer to get into the empty cabin and overhaul. The bottom of manhole has set up the watertight door structure, is provided with the sealing rubber circle on the well lid of this watertight door structure, closes the well lid, then screws up the hand wheel, and the periphery of manhole can be hugged closely and sealed to the sealing rubber circle. The pre-buried drain pipe in the tunnel side wall beside the manhole can supply water in the empty cabin to drain into the tunnel drainage ditch through the drain pipe as a priority drainage measure. The upper edge of the access hole is provided with a water blocking ridge as a second water blocking measure, water in the empty cabin can be prevented from flowing into the access hole, and the watertight door can play a final water blocking role. It can be seen that, the utility model discloses a set up drain pipe, manger plate bank and watertight door, solved effectively and leaked and influence the vehicle current and erode the problem of tunnel side wall because of the access hole.
Drawings
Fig. 1 is a schematic sectional structure view of a double-layer open-cut tunnel according to an embodiment of the present invention;
FIG. 2 is a schematic bottom view of the watertight door structure of the double-layer open-cut tunnel shown in FIG. 1;
FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a schematic elevation view of the watertight door structure of the double-layer open-cut tunnel shown in FIG. 1;
fig. 5 is a schematic structural diagram of a hand wheel of a watertight door structure according to an embodiment of the present invention.
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 should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, a preferred embodiment of the present invention is shown, which is a double-layer open-cut tunnel, including structural side walls a at two sides, a structural top plate b at the top, a structural bottom plate c at the bottom, and a structural middle plate d horizontally disposed between the structural side walls a at two sides. The empty cabin e that is located the upper strata and the driving layer f that is located the lower floor are separated into with the tunnel to structure medium plate d, have seted up access hole 1 on the structure medium plate d, and maintainer accessible access hole 1 carries out in two layers of empty cabin e. A watertight door structure 2 is installed at the bottom end of the access hole 1, and a telescopic ladder stand 3 is installed on the hole wall of the access hole 1. During the maintenance, send maintainer to structure medium plate d below through the machineshop car at driving layer f, open and get into empty chamber e through flexible cat ladder 3 behind the watertight door structure 2.
Referring to fig. 1 to 4, the watertight door structure 2 includes a well lid 21, a first fixing seat 22, a second fixing seat 23, a hand wheel 24, a screw 25, a bolt 26, and a sealing rubber ring 27. The bottom of the manhole 1 is surrounded with a manhole guard ring 11, and the cross section shape of the sealing rubber ring 27 is matched with that of the manhole guard ring 11.
Specifically, referring to fig. 5, a central area of the top of the hand wheel 24 is raised upwards to form a pressing portion 241, and a top surface of the pressing portion 241 is a plane.
This embodiment has set up watertight door structure 2 in the bottom of two-layer vacant lot e access hole 1 in double-deck open cut tunnel, is provided with sealing rubber circle 27 on this watertight door structure 2's the well lid 21, closes well lid 21, then screws up hand wheel 24, and sealing rubber circle 27 can seal up access hole 1. Therefore, water in the empty cabin e cannot flow into the travelling layer f of the lower layer from the access hole 1, and the problems that the vehicle passes and the side wall a of the tunnel is washed due to water leakage of the access hole 1 are solved.
The periphery of the structural plate d at the top end of the access hole 1 is provided with a plain concrete water retaining ridge d-1 protruding by 15 cm. An inclined part a-1 extends from the position of the structural side wall a corresponding to the structural middle plate f, and a water drainage hole is formed between the inclined part a-1 and the plain concrete water retaining ridge d-1. The drain pipe 4 with the diameter of 50mm is pre-buried in the structure side wall 1, and the drain pipe 4 is directly buried to the bottom of the tunnel along the structure side wall a. The position that the bottom of driving layer f is close to structure side wall a is equipped with escape canal 5, and the discharge gate is inserted to the top of drain pipe 4, and escape canal 5 is inserted to its bottom. The drain 4 is designed to drain into the drain 5 when the empty chamber e is filled with water due to water leakage or seepage from the structure. This embodiment is passed through hidden drain pipe 4 and is had the escape canal 5 of two-layer water to in the tunnel, has avoided leaking or seeping water and lead to influencing the vehicle current and erode the problem of tunnel side wall a because of the tunnel.
The upper cover of the water drainage hole is provided with a grating 6 for filtering larger impurities. The top surface of structure medium plate d forms the plane of 0.5% slope through laying a layer cement mortar layer, and wherein, the one side that structure medium plate d is close to the discharge opening is less than the one side of keeping away from the discharge opening.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. A double-layer open-cut tunnel comprises structural side walls positioned on two sides, a structural top plate positioned on the top, a structural bottom plate positioned on the bottom and a structural middle plate horizontally arranged between the structural side walls on the two sides, wherein the structural middle plate divides the tunnel into an empty cabin positioned on an upper layer and a travelling crane layer positioned on a lower layer; the structure is characterized in that an access hole is formed in the structure middle plate, a watertight door structure used for sealing the access hole is installed at the bottom end of the access hole, a raised plain concrete water retaining ridge is arranged on the periphery of the structure middle plate at the top end of the access hole, an inclined part extends out of the structure side wall corresponding to the structure middle plate, a drain hole is formed between the inclined part and the plain concrete water retaining ridge, and a vertically arranged hidden drain pipe is embedded in the structure side wall; the bottom of the traveling crane layer is close to a drainage ditch arranged at the position of the side wall of the structure, the top end of the drainage pipe is connected into the drainage hole, and the bottom end of the drainage pipe is connected into the drainage ditch.
2. The double-layer open-cut tunnel of claim 1, wherein the watertight door structure comprises a well cover, a first fixing seat, a second fixing seat, a hand wheel, a screw, a bolt and a sealing rubber ring; the first fixing seat and the second fixing seat are respectively fixed on two opposite sides of the bottom end of the manhole, one side of the well lid is hinged to the first fixing seat, and the other side of the well lid is provided with a mounting hole; the top end of the screw is mounted on the second fixing seat through the bolt, the other end of the screw penetrates through a mounting hole of the well lid, the hand wheel can be in threaded connection with the screw, the hand wheel is screwed down, and the hand wheel can tightly press the well lid; the sealing rubber ring is fixed on the top surface of the well lid, and when the well lid is closed, the sealing rubber ring seals the periphery of the access hole.
3. The double-deck open-cut tunnel of claim 2, wherein the bottom end of the manhole is surrounded by a manhole retainer, and the cross-sectional shape of the sealing rubber ring matches the cross-sectional shape of the manhole retainer.
4. The double-layer open-cut tunnel of claim 3, wherein the top of the sealing rubber ring is provided with a groove, and the manhole retainer is embedded in the groove when the manhole cover is closed.
5. The double-deck open-cut tunnel of claim 1, wherein said weep holes are covered with a grating.
6. The double-deck open-cut tunnel according to claim 1, wherein the top surface of the structural plate is a plane having a slope, and a side of the structural plate closer to the drainage opening is lower than a side thereof farther from the drainage opening.
7. The double-deck open-cut tunnel of any one of claims 1 to 6, wherein a telescopic ladder stand is installed on the wall of the manhole.
8. A watertight door structure of a double-layer open trench tunnel double-layer empty cabin access hole is characterized by comprising a well cover, a first fixing seat, a second fixing seat, a hand wheel, a screw rod, a bolt and a sealing rubber ring; the first fixing seat and the second fixing seat are respectively fixed on two opposite sides of the bottom end of the manhole, one side of the well lid is hinged to the first fixing seat, and the other side of the well lid is provided with a mounting hole; the top end of the screw is mounted on the second fixing seat through the bolt, the other end of the screw penetrates through a mounting hole of the well lid, the hand wheel can be in threaded connection with the screw, the hand wheel is screwed down, and the hand wheel can tightly press the well lid; the sealing rubber ring is fixed on the top surface of the well lid, and when the well lid is closed, the sealing rubber ring seals the periphery of the access hole.
9. The watertight door structure in accordance with claim 8, wherein the central area of the top of the hand wheel is raised upward to form a pressing portion, and the top surface of the pressing portion is a flat surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022279536.5U CN214089973U (en) | 2020-10-13 | 2020-10-13 | Double-deck open cut tunnel and watertight door structure of two-deck empty cabin manhole thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022279536.5U CN214089973U (en) | 2020-10-13 | 2020-10-13 | Double-deck open cut tunnel and watertight door structure of two-deck empty cabin manhole thereof |
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| Publication Number | Publication Date |
|---|---|
| CN214089973U true CN214089973U (en) | 2021-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022279536.5U Active CN214089973U (en) | 2020-10-13 | 2020-10-13 | Double-deck open cut tunnel and watertight door structure of two-deck empty cabin manhole thereof |
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| CN (1) | CN214089973U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112323857A (en) * | 2020-10-13 | 2021-02-05 | 深圳市综合交通设计研究院有限公司 | Double-deck open cut tunnel and watertight door structure of two-deck empty cabin manhole thereof |
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2020
- 2020-10-13 CN CN202022279536.5U patent/CN214089973U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112323857A (en) * | 2020-10-13 | 2021-02-05 | 深圳市综合交通设计研究院有限公司 | Double-deck open cut tunnel and watertight door structure of two-deck empty cabin manhole thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Unit 1205, block C, building 1, Xinghe legend Garden Phase III, Longtang community, Minzhi street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen comprehensive transportation and municipal engineering design and Research Institute Co.,Ltd. Country or region after: China Address before: Unit 1205, block C, building 1, Xinghe legend Garden Phase III, Longtang community, Minzhi street, Longhua District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN TRANSPORTATION DESIGN & RESEARCH INSTITUTE Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |