CN211900694U

CN211900694U - Drainage system that existing tunnel road surface blockked up

Info

Publication number: CN211900694U
Application number: CN201921487117.1U
Authority: CN
Inventors: 陈森森; 陈梦圆; 陈禹; 朱勤
Original assignee: Nanjing Kangtai Building Grouting Technology Co ltd
Current assignee: Nanjing Kangtai Building Grouting Technology Co ltd
Priority date: 2019-09-09
Filing date: 2019-09-09
Publication date: 2020-11-10
Anticipated expiration: 2029-09-09

Abstract

The utility model relates to a drainage system that existing tunnel road surface prevented blockking up, including sump pit, leading water pipe, drainage well lid, cable pit and central drainage ditch, the tunnel both sides respectively are equipped with a sump pit, and the sump pit of tunnel both sides communicates with the central drainage ditch through leading water pipe respectively, and one side of tunnel both sides sump pit all is equipped with the mud drainage groove. The utility model discloses to receiving the restriction of tunnel building boundary limit, the effect of drainage system is prevented blockking up in the existing tunnel road surface of performance that simultaneously can furthest to construction convenience, transformation are with low costs, prevent that silt from blockking up the ponding that the outlet brought, can effectively reduce the risk that the water damage problem brought for tunnel operation safety.

Description

Drainage system that existing tunnel road surface blockked up

Technical Field

The utility model relates to a drainage system especially relates to a drainage system that existing tunnel road surface prevented blockking up.

Background

The tunnel belongs to underground engineering, and underground water exists in peripheral stratums of the tunnel. At present, most tunnels built in China belong to mountain tunnels, water leakage and tunnel pavement damage are common diseases in the traffic operation stage of the mountain tunnels, the arrangement of a highway tunnel water-proof and drainage system follows the principle of 'prevention, drainage, interception and blockage combination, and comprehensive treatment according to local conditions', so that the normal use and the driving safety of tunnel structures and operation equipment are ensured, a complete and smooth water-proof and drainage system is formed aiming at underground water in a tunnel region, water on mountains around the tunnel can flow to a drainage system of the pavement during raining, a large amount of sediment and other substances which easily cause blockage of the drainage system can be mixed in the drainage system, once the drainage system is blocked, water accumulation in the tunnel can be caused, and potential safety hazards can be caused, so that the tunnel pavement drainage system is required to be free of water seepage, water accumulation and blockage.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a drainage system that existing tunnel road surface prevented blockking up.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a drainage system that existing tunnel road surface prevents blockking up, includes sump pit, leading water pipe, drainage well lid, cable pit and central escape canal, and the tunnel both sides respectively are equipped with a sump pit, and the sump pit of tunnel both sides communicates with the central escape canal through the leading water pipe respectively, and one side of tunnel both sides sump pit all is equipped with lets out the mud groove.

Preferably, including filter screen, wire rope, sealed movable baffle, loose axle, baffle, protective housing, pulley and drainage well lid in the sump pit, the loose axle fixedly connected with baffle is passed through on the filter screen right side, and fixed surface is connected with wire rope on the filter screen, and wire rope has sealed movable baffle through pulley sliding connection, wire rope both sides fixedly connected with protective housing, filter screen top fixedly connected with drainage well lid, and the material of filter screen all is the stainless steel and makes.

Preferably, the wall of the water collecting well is provided with a water guide opening connected with the water guide pipe, the distance between the water guide opening and the bottom of the water collecting well is less than 10cm, the position of the water guide opening is higher than the upper pipe wall of the central drainage ditch, and the gradient of a cross slope of the water guide pipe is less than 2%.

Preferably, the water conduits on two sides of the water collecting well are connected with the central drainage ditch by adopting three communicating pipes, and the water collecting port is arranged on the upper pipe wall of the central drainage ditch.

Preferably, the upper left portion of the sump pit is provided with a cable pit, the top of the cable pit is provided with a concrete slab, a cable pipe is arranged in the cable pit, and a water guide opening and the sump pit are arranged on the lower right portion of the cable pit.

Preferably, the mud discharging groove is made of high-strength reinforced concrete, and a slope groove is arranged on the left side of the mud discharging groove.

Preferably, the water conduit and the cable conduit are galvanized steel pipes with the diameter of 10-20 cm.

Preferably, the water collecting wells are longitudinally arranged, and the arrangement distance of the water collecting wells is 20 m.

Has the advantages that:

1. the utility model relates to a drainage system that existing tunnel road surface prevented blockking up, the effect of drainage system is prevented blockking up in existing tunnel road surface of performance that simultaneously can furthest to construction convenience, transformation are with low costs, prevent that silt from blockking up the ponding that the outlet brought, can effectively reduce the risk that the water damage problem brought for tunnel operation safety.

2. Set up in tunnel pavement both sides through the roadside ditch for when overhauing and being under construction, need not the shut off, needn't seal the hole construction, guaranteed the normal operation of traffic, be convenient for maintain and be under construction.

3. Because when raining, the peripheral mountain in tunnel water also can flow the drainage system on road surface, often wherein can mix the material that a large amount of silt etc. easily caused drainage system to block up, drainage system in case the jam will cause ponding in the tunnel, so will cause the potential safety hazard, so the utility model designs a drainage system that existing tunnel road surface blockked up.

Drawings

Fig. 1 is a main sectional view of the present invention.

Figure 2 is the main section view of the water collecting well of the utility model.

Fig. 3 is a schematic view of the connection between the water conduit and the central drainage ditch.

In the figure: 1-central drainage ditch, 2-water conduit, 3-mud drainage groove, 4-high strength reinforced concrete, 5-water collecting well, 51-filter screen, 52-steel wire rope, 53-sealing movable baffle, 54-movable shaft, 55-baffle, 56-protective shell, 57-fixed pulley, 58-drainage well cover, 6-cable trench, 7-tunnel pavement, 8-slope groove, 9-cable conduit, 10-concrete slab, 11-high strength reinforced concrete pier, 12-three communicating pipe, 13-vertical water conduit and 14-water guide opening.

Detailed Description

The technical solution in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

As shown in fig. 1-3;

the embodiment of the utility model provides an in, a drainage system that existing tunnel pavement prevented blockking up, including sump pit 5, leading water pipe 2, drainage well lid 58, cable pit 6 and central escape canal 1, both sides respectively are equipped with a sump pit 5, and the sump pit 5 of both sides communicates with central escape canal 1 through leading water pipe 2 respectively, and one side of both sides sump pit 5 all is equipped with lets out mud groove 3.

Wherein: including filter screen 51 in the sump pit 5, wire rope 52, sealed movable baffle 53, loose axle 54, baffle 55, the protective housing 56, pulley 57 and drainage well lid 58, loose axle (54) fixedly connected with baffle 55 is passed through on filter screen 51 right side, fixed surface is connected with wire rope 52 on the filter screen 51, wire rope 52 has sealed movable baffle 53 through pulley 57 sliding connection, wire rope 52 both sides fixedly connected with protective housing 56, filter screen 51 top fixedly connected with drainage well lid 58, the material of filter screen 51 all is stainless steel and makes, make it prevent to have blockked up drainage system because miscellaneous silt in the rainwater, the better potential safety hazard of alleviating the road ponding and bringing.

Wherein: the wall of the water collecting well 5 is provided with a water guide port 14 connected with the water guide pipe 2, the distance between the water guide port 14 and the bottom of the water collecting well 5 is less than 10cm, the position of the water guide port 14 is higher than the upper pipe wall of the central drainage ditch 1, and the gradient of the cross slope of the water guide pipe 2 is less than 2%, so that water can be discharged more smoothly when the water is discharged.

Wherein: the water conduits 2 on both sides of the water collecting well 5 are connected with the central drainage ditch 1 by adopting three communicating pipes 12, and the water collecting port is arranged on the upper pipe wall of the central drainage ditch 1, so that the water conduits 2 on both sides of the central drainage ditch can not mutually circulate when draining, and water can only drain to the central drainage ditch 1 due to the liquid pressure principle of the three communicating pipes 12.

Wherein: the upper left portion of sump pit 5 is provided with

cable pit

6, and 6 tops of cable pit are equipped with concrete slab 10, are equipped with cable pipe 9 in the

cable pit

6, and 6 lower right portions of cable pit are equipped with water guide opening 14 and 5 intercommunications of sump pit, make its better maintenance drainage circulation, better protection cable.

Wherein: one side of the water collecting wells 5 on two sides is provided with a mud discharging groove 3, the mud discharging groove 3 is composed of high-strength reinforced concrete 4, and the left side of the mud discharging groove 3 is provided with a slope groove 8, so that silt can smoothly flow in the mud discharging groove 3 due to the inertia theorem.

Wherein: the water conduit 2 and the cable conduit 9 are galvanized steel pipes with the diameter of phi 10-20 cm, so that the coating has the advantages of uniformity, strong adhesive force, long service life, strong corrosion resistance and the like.

Wherein: the water collecting wells are longitudinally arranged, and the arrangement distance of the water collecting wells is 20m, so that the water collecting wells are better and convenient to construct and the drainage quantity of a drainage system is enhanced.

The working principle is as follows: the utility model relates to an anti-blocking drainage system for the pavement of the existing tunnel, which comprises a water collecting well 5, a water conduit 2, a drainage well cover 58, a cable trench 6 and a central drainage ditch 1, wherein two sides of the tunnel are respectively provided with one water collecting well 5, the water collecting wells 5 at two sides are respectively communicated with the central drainage ditch 1 through the water conduit 2, a filter screen 51 is arranged in each water collecting well 5, when excessive silt is accumulated on the filter screen 51, the filter screen 51 is pressed downwards due to gravity, the sealing movable baffle 53 is pulled up by the filter screen 51 through the steel wire rope 52 and the fixed pulley 57, when the sealing movable baffle 53 is completely lifted, the baffle 55 on the filter screen 51 falls to the left side of the slope tank 8 through the movable shaft 54, so that all silt is discharged into the silt discharging tank 3, and when the silt is completely discharged, the filtering net 51 is returned to its original position by the downward falling of the sealing movable baffle 53 due to the loss of gravity of the filtering net 51, and the rainwater is drained to the central drainage ditch 1 through the water guiding port 14 and the water guiding pipe 2 in cycles.

Claims

1. The utility model provides an existing tunnel road surface prevents drainage system of jam, includes sump pit (5), leading water pipe (2), drainage well lid (58), cable pit (6) and central drainage ditch (1), its characterized in that: the tunnel both sides all are equipped with sump pit (5), and the sump pit (5) of tunnel both sides communicate with central drainage ditch (1) through leading water pipe (2) respectively, one side of tunnel both sides sump pit (5) all is equipped with lets out mud groove (3).

2. The anti-clogging drainage system for the existing tunnel pavement according to claim 1, characterized in that: including filter screen (51) in sump pit (5), wire rope (52), sealed movable baffle (53), loose axle (54), baffle (55), protective housing (56), pulley (57) and drainage well lid (58), and filter screen (51) right side is through loose axle (54) fixedly connected with baffle (55), and fixed surface is connected with wire rope (52) on filter screen (51), and wire rope (52) have sealed movable baffle (53) through pulley (57) sliding connection, and wire rope (52) both sides fixedly connected with protective housing (56), and filter screen (51) top fixedly connected with drainage well lid (58), and the material of filter screen (51) all is the stainless steel and makes.

3. The anti-clogging drainage system for the existing tunnel pavement according to claim 1, characterized in that: the water collecting well (5) is characterized in that a water guide opening (14) is formed in the well wall of the water collecting well (5) and connected with the water guide pipe (2), the distance between the water guide opening (14) and the bottom of the water collecting well (5) is less than 10cm, the position of the water guide opening (14) is higher than the upper pipe wall of the central drainage ditch (1), and the cross slope gradient of the water guide pipe (2) is less than 2%.

4. The anti-clogging drainage system for the existing tunnel pavement according to claim 1, characterized in that: the water conduits (2) on two sides of the water collecting well (5) are connected with the central drainage ditch (1) by adopting three communicating pipes (12), and the water collecting port is arranged on the upper pipe wall of the central drainage ditch (1).

5. The anti-clogging drainage system for the existing tunnel pavement according to claim 1, characterized in that: the upper left portion of sump pit (5) is provided with cable pit (6), and cable pit (6) top is equipped with concrete slab (10), and is equipped with cable pipe (9) in cable pit (6), and cable pit (6) right side down is equipped with leads mouth of a river (14) and sump pit (5) intercommunication.

6. The anti-clogging drainage system for the existing tunnel pavement according to claim 1, characterized in that: the mud discharging groove (3) is composed of high-strength reinforced concrete (4), and a slope groove (8) is arranged on the left side of the mud discharging groove (3).

7. The anti-clogging drainage system for the existing tunnel pavement according to claim 1, characterized in that: the water conduit (2) and the cable pipe (9) are galvanized steel pipes with the diameter phi of 10-20 cm.

8. The anti-clogging drainage system for the existing tunnel pavement according to claim 1, characterized in that: the water collecting wells are longitudinally arranged, and the arrangement distance of the water collecting wells is 20 m.