CN209780921U - Mechanism for sealing connection between steel box girder and duct piece - Google Patents

Abstract

the utility model discloses a mechanism that is used for sealing connection between steel case roof beam and section of jurisdiction, including setting up in the gap that forms when steel case roof beam is connected with the section of jurisdiction and a plurality of seal part of horizontal parallel distribution, both sides limit is respectively through the fix with screw in steel case roof beam, section of jurisdiction bottom and be banding waterproof rubber pad, fills in the bottom in gap and is located the inboard filler of waterproof rubber pad, sets up the flexible seal circle that is used for loading thick liquids at the gap top, sets up the back up coat on flexible seal circle to and set up the waterproof layer on the back up coat, steel case roof beam passes through bolted connection with the section of jurisdiction. The utility model discloses set up three-layer sealing waterproof construction, prevent outside water seepage to the tunnel inside, reached the effect that leakproofness, prevention of seepage water ability are good, be applicable to the more area of groundwater such as coastal, and the work progress is simple.

Description

Mechanism for sealing connection between steel box girder and duct piece

Technical Field

The utility model relates to a sealing mechanism, specifically speaking relates to a mechanism that is used for sealing connection between steel case roof beam and section of jurisdiction.

Background

The construction method of the tunnel such as the subway and the like which is more advanced in the world at present is a shield method, the precast concrete segment used as the tunnel lining is the most main supporting structure of the tunnel and is the outermost supporting structure, the steel box girder plays a role in bearing, and the quality of the precast concrete segment and the steel box girder can directly influence the performance of the whole tunnel in all aspects such as stability, safety and the like.

However, after the tunnel is built, water seepage often occurs in the area with abundant underground water, which causes adverse effect on train operation. The main reason for water seepage is that the connection mechanism between the steel box girder and the duct piece is simple, so that the connection between the steel box girder and the duct piece is not tight enough, and the sealing treatment is not adopted, so that the gap is too large, and water enters the tunnel from the gap.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sealing connection's mechanism between steel case roof beam and section of jurisdiction solves current coupling mechanism's sealing performance poor, easily causes the problem of water seepage.

In order to achieve the above object, the utility model adopts the following technical scheme:

The utility model provides a mechanism for sealing connection between steel box girder and section of jurisdiction, including setting up in the gap that forms when steel box girder is connected with the section of jurisdiction and horizontal parallel distribution's a plurality of seal part, both sides limit is respectively through fix with screw in steel box girder, section of jurisdiction bottom and be banding waterproof rubber pad, fills in the bottom in gap and be located the inboard filler of waterproof rubber pad, sets up the flexible seal circle that is used for loading thick liquids at the gap top, sets up the back up coat on flexible seal circle to and set up the waterproof layer on the back up coat, steel box girder and section of jurisdiction are through a plurality of level evenly distributed's bolted connection.

Further, still be provided with the pan feeding pipe on the flexible seal ring, the pan feeding pipe is for running through the pipeline of back up coat and waterproof layer.

Further, the sealing component comprises a first sealing rubber gasket connected to the duct piece through a first connecting portion and a second sealing rubber gasket connected to the steel box girder through a second connecting portion.

Furthermore, the sealing parts are two and are respectively positioned on the upper side and the lower side of the bolt.

Further, all be provided with the mounting groove that is used for placing sealing member on steel box girder and the section of jurisdiction, the mounting groove is located one side in gap.

Furthermore, the top of the sealing component arranged on the upper side of the bolt is tightly attached to the bottom of the flexible sealing ring.

Furthermore, the middle part of the waterproof rubber pad is provided with a groove for fixing fillers conveniently.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) The utility model discloses set up three-layer sealing waterproof construction, waterproof rubber pad and filler play the sealed water-proof effects of first layer, two seal assembly play the sealed water-proof effects of second floor, pour into thick liquids into to flexible sealing washer and make the flexible sealing washer constantly expand and open, the position of being connected of final shutoff steel box girder top and section of jurisdiction, the top in gap promptly, play the sealed water-proof effects of third layer, the sealing performance who has solved current coupling mechanism is poor, easily cause the problem of water seepage, prevent inside outside water seepage to the tunnel, the leakproofness has been reached, the effect that prevention of seepage water ability is good, be applicable to more areas of groundwater such as coastal, and the work progress is simple.

(2) The utility model discloses the structure is simple and easy, should use widely.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic cross-sectional view of a-a in fig. 1.

Wherein, the names corresponding to the reference numbers are:

1-steel box girder, 2-flexible sealing ring, 3-feeding pipe, 4-waterproof layer, 5-reinforcing layer, 6-segment, 7-gap, 8-bolt, 9-first connecting part, 10-first sealing rubber pad, 11-filler, 12-waterproof rubber pad, 13-screw, 14-second sealing rubber pad, 15-second connecting part and 16-mounting groove.

Detailed Description

The present invention will be further described with reference to the following description and examples, which include but are not limited to the following examples.

Examples

As shown in fig. 1-2, the utility model discloses a mechanism for sealing connection between steel box girder and section of jurisdiction, including setting up in gap 7 that forms when steel box girder 1 is connected with section of jurisdiction 6 and a plurality of seal part of horizontal parallel distribution, both sides limit is fixed at steel box girder, section of jurisdiction bottom and is banding waterproof rubber pad 12 through screw 13 respectively, fills in the bottom of gap 7 and is located the inboard filler 11 of waterproof rubber pad 12, sets up the flexible seal circle 2 that is used for loading thick liquids at gap 7 top, sets up back up layer 5 on flexible seal circle 2 to and set up waterproof layer 4 on back up layer 5, steel box girder 1 is connected through a plurality of horizontal evenly distributed's bolt 8 with section of jurisdiction 6.

The utility model is characterized in that the flexible sealing ring 2 is also provided with a feeding pipe 3, and the feeding pipe 3 is a pipeline which runs through the reinforcing layer 5 and the waterproof layer 4; the sealing parts comprise a first sealing rubber mat 10 connected to the duct piece 6 through a first connecting part 9 and a second sealing rubber mat 14 connected to the steel box girder 1 through a second connecting part 15, and the two sealing parts are respectively positioned on the upper side and the lower side of the bolt 8; mounting grooves 16 for placing sealing components are formed in the steel box girder 1 and the duct piece 6, and the mounting grooves 16 are positioned on one side of the gap 7; the top of the sealing part arranged on the upper side of the bolt 8 is tightly attached to the bottom of the flexible sealing ring 2.

the steel box girder 1 and the duct piece 6 of the utility model are connected through the bolt 8, the middle part of the waterproof rubber pad 12 fixed at the bottom of the steel box girder and the duct piece is provided with a groove for fixing the filler 11 conveniently, and the filler 11 is made of a material with water absorption capacity, such as sponge; the waterproof rubber pad 12 is fixed at the bottoms of the steel box girder 1 and the duct piece 6 through screws, so that the function of sealing the bottom of the gap 7 is achieved, and if water permeates into the gap, the filler 11 can absorb water, so that a first layer of sealing waterproof effect is achieved; because waterproof rubber pad 12 has elasticity, in the process of gap 7 constantly narrowing, can not influence its result of use.

The utility model discloses just be located 7 one sides in gap and be provided with two seal assembly on steel case roof beam 1 and section of jurisdiction 6, both horizontal parallel distribution, be located bolt 8's upside and downside respectively, constantly compress tightly steel case roof beam 1 and section of jurisdiction 6 at bolt 8, when the space of gap 7 narrows down gradually, first sealed cushion 10 and the sealed cushion 14 of second compress tightly constantly, make the top of steel case roof beam 1 and section of jurisdiction 6, steel case roof beam 1 laminates with the bottom of section of jurisdiction 6 more, with this reach the sealed water-proof effects of second floor, two seal assembly play the sealed effect of bilayer on vertical.

the utility model discloses still be provided with flexible sealing ring 2 at the top of gap 7, when the installation, this flexible sealing ring 2 covers the top of whole gap 7, makes flexible sealing ring 2 constantly expand through the mode of pouring into thick liquids into flexible sealing ring 2, and the final shutoff steel case roof beam 1 top and the connection position of section of jurisdiction 6, namely the top of gap 7 prevent that outside water from leaking to the tunnel inside, play third layer waterproof seal effect in proper order; the flexible sealing ring 2 can also prevent a small amount of surface water from leaking into the gap 7, the surface water is rainwater flowing into the tunnel, and the waterproof layer 4 can also play the same role.

The utility model discloses an above-mentioned design, it is poor to have solved current coupling mechanism's sealing performance effectively, easily causes the problem of water seepage, sets up the sealed waterproof construction of three-layer, has reached the effect that leakproofness, prevention of seepage water ability are good, is applicable to the more areas of groundwater such as coastal, and the construction is simple, and the sealing mechanism structure is simple and easy, should use widely.

The above embodiment is only one of the preferred embodiments of the present invention, and should not be used to limit the protection scope of the present invention, but all the insubstantial changes or modifications made in the spirit and the idea of the main design of the present invention, the technical problems solved by the embodiment are still consistent with the present invention, and all should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a mechanism that is used for sealing connection between steel box girder and section of jurisdiction, a serial communication port, including setting up in gap (7) that forms when steel box girder is connected with the section of jurisdiction and horizontal parallel distribution's a plurality of seal assembly, both sides limit is fixed at the steel box girder through screw (13) respectively, the section of jurisdiction bottom just is banding waterproof rubber pad (12), fill in the bottom of gap (7) and be located waterproof rubber pad (12) inboard filler (11), set up flexible sealing washer (2) that are used for loading thick liquids at gap (7) top, set up back up layer (5) on flexible sealing washer (2) to and waterproof layer (4) of setting on back up layer (5), the steel box girder is connected through a plurality of levels evenly distributed's bolt (8) with the section of jurisdiction.

2. The mechanism for the sealing connection between the steel box girder and the segment as claimed in claim 1, wherein the flexible sealing ring (2) is further provided with a feeding pipe (3), and the feeding pipe (3) is a pipeline penetrating through the reinforcing layer (5) and the waterproof layer (4).

3. A mechanism for sealing connection between a steel box girder and a duct piece according to claim 2, wherein the sealing member comprises a first sealing rubber gasket (10) connected to the duct piece through a first connecting portion (9), and a second sealing rubber gasket (14) connected to the steel box girder through a second connecting portion (15).

4. The mechanism for the sealing connection between the steel box girder and the segment as claimed in claim 3, wherein the number of the sealing parts is two, and the two sealing parts are respectively positioned at the upper side and the lower side of the bolt (8).

5. The mechanism for sealing connection between the steel box girder and the pipe piece as claimed in claim 4, wherein the steel box girder and the pipe piece are provided with mounting grooves (16) for placing sealing parts, and the mounting grooves (16) are positioned at one side of the gap (7).

6. The mechanism for the sealing connection between the steel box girder and the pipe piece as claimed in claim 5, wherein the top of the sealing part arranged on the upper side of the bolt (8) is tightly attached to the bottom of the flexible sealing ring (2).

7. The mechanism for the sealing connection between the steel box girder and the duct piece as claimed in claim 6, wherein the middle part of the waterproof rubber gasket (12) is provided with a groove for fixing the filler (11).