CN209873861U - Sealing device for lap joint of steel corrugated plate pipe gallery plates - Google Patents
Sealing device for lap joint of steel corrugated plate pipe gallery plates Download PDFInfo
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- CN209873861U CN209873861U CN201920153445.1U CN201920153445U CN209873861U CN 209873861 U CN209873861 U CN 209873861U CN 201920153445 U CN201920153445 U CN 201920153445U CN 209873861 U CN209873861 U CN 209873861U
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Abstract
The utility model provides a sealing device of steel buckled plate pipe gallery slab overlap joint, belongs to corrugated steel pipe gallery equipment technical field for seal steel buckled plate pipe gallery slab overlap joint. The technical scheme is as follows: it has secondary seal board and sealing bolt, and secondary seal board's face is relative with the lower extreme of the overlap joint bolt of two steel buckled plate overlap joints, has sealed screw on secondary seal board's the face, and sealing bolt passes sealed screw and is connected with the lower extreme of overlap joint bolt, and secondary seal board's both sides respectively with the lateral wall in close contact with of two steel buckled plates of the both sides of overlap joint, and the cavity intussuseption that secondary seal board's face and two steel buckled plate enclose is filled with expanded material or inflation cement. The utility model discloses structure convenient operation, sealed effect are fabulous, can reliably seal effectively steel buckled plate pipe gallery slab overlap joint, prevent that the underground pipe gallery from taking place the seepage, guarantee construction quality, reach service life at sealing material and can conveniently change, ensure that the underground pipe gallery can long-term normal use.
Description
Technical Field
The utility model relates to a device that seals steel buckled plate pipe gallery slab overlap joint belongs to corrugated steel pipe gallery equipment technical field.
Background
In traffic engineering and municipal works, a large number of tunnels, underground passages and underground pipelines need to be built, the traditional buildings are of reinforced concrete structures or steel pipe structures, the reinforced concrete structures are heavy, the construction time is long, the cost is high, and the strength of the steel pipe structures cannot support the construction of large pipelines. The steel corrugated plate is a novel building material, has the advantages of strong compression resistance and deformation resistance, quick and convenient installation, short construction period, low cost, environmental protection and the like, so that the steel corrugated plate is adopted to build tunnels, underground passages and underground pipelines in municipal and traffic engineering at present in a large quantity to replace the traditional reinforced concrete and steel pipe structures.
The steel buckled plate is at the in-process of preparation pin-connected panel steel buckled plate utility tunnel structure, and the steel buckled plate junction of assembling need carry out the overlap joint, and in order to prevent the groundwater seepage, the overlap joint position needs sealed to guarantee utility tunnel's normal use. At present, the sealing material at the lap joint position is effectively solved, but the single-layer waterproof sealing is difficult to ensure that hundreds of perfect sealing is achieved, namely secondary sealing is needed, and a better sealing effect is achieved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a sealing device of steel buckled plate pipe gallery slab overlap joint is provided, this kind of sealing device can carry out the secondary seal to the overlap joint of steel buckled plate and bolt hole department, makes the sealed more tight effective of steel buckled plate overlap joint of underground pipe gallery, prevents that the underground pipe gallery from taking place the seepage, guarantees construction quality.
The technical scheme for solving the technical problems is as follows:
the utility model provides a sealing device of steel buckled plate pipe gallery slab lap-joint, it includes the overlap joint bolt, the overlap joint is sealed fills up, the overlap joint bolt passes on two lapped steel buckled plates relative overlap joint screw with two lapped steel buckled plate fixed connection, place the overlap joint between two lapped steel buckled plate lap-joint, its improvement is, it is secondary closing plate and sealing bolt in addition, the face of secondary closing plate is relative with the lower extreme of the overlap joint bolt of two steel buckled plate lap-joint, there is sealed screw on the face of secondary closing plate, sealing bolt passes sealed screw and is connected with the lower extreme of overlap joint bolt, the both sides of secondary closing plate respectively with the lateral wall in close contact with of two steel buckled plates of the both sides of lap joint, the cavity intussuseption that the face of secondary closing plate and two steel buckled plate enclose is filled with expanded material or expansive.
Above-mentioned sealing device of steel buckled plate pipe gallery slab overlap joint department, there is the screw on overlap joint bolt's the screw rod terminal surface, screw and sealing bolt's screw thread phase-match, sealing bolt passes the sealing screw of secondary seal board and is connected with the screw on the overlap joint bolt screw rod terminal surface.
Above-mentioned sealing device of steel buckled plate piping lane slab overlap joint, overlap joint bolt's screw rod lower extreme has connecting sleeve, connecting sleeve's upper end opening, and the lower extreme is sealed, and connecting sleeve's hole has screw thread and overlap joint bolt's screw rod screw thread phase-match, and connecting sleeve's upper end is passed through screw thread and overlap joint bolt fastening connection, has the screw on connecting sleeve's the lower extreme terminal surface, and the screw thread of screw and sealing bolt's screw thread phase-match, sealing bolt pass the sealing screw of secondary seal board and be connected with the screw on the connecting sleeve lower extreme terminal surface.
Above-mentioned sealing device of steel corrugated plate pipe gallery slab overlap joint department, the face reservation of secondary closing plate has the pouring hole of pouring into expanded material or inflation cement.
Above-mentioned sealing device of corrugated steel plate pipe gallery slab overlap joint, the face of secondary seal board is flat steel sheet, or for the steel sheet that has the strengthening rib, and the both sides of secondary seal board set up the secondary and seal up the pad with the lateral wall contact position of two corrugated steel plates.
The utility model has the advantages that:
the utility model discloses increased secondary seal structure in the below of two steel buckled plate overlap joints, the secondary seal board is connected with the overlap joint bolt of overlap joint through sealing bolt, and the both sides of secondary seal board and two steel buckled plate lateral walls of overlap joint are in close contact with respectively, packs foaming material or expansion cement in the cavity that secondary seal board and two steel buckled plate enclose and carries out the secondary seal.
The utility model has the advantages of being scientific and reasonable in structure, convenient operation, sealed effect are fabulous, can reliably seal effectively steel buckled plate pipe gallery slab overlap joint, prevent that the underground pipe gallery from taking place the seepage, guarantee construction quality, can conveniently change after sealing material reaches service life, ensure that the underground pipe gallery can normal use for a long time.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is another connection diagram of the sealing bolt of the present invention.
The figures are labeled as follows: the corrugated steel plate comprises a corrugated steel plate 1, lap bolts 2, lap gaskets 3, secondary sealing plates 4, sealing bolts 5, foaming materials or expanded cement 6, connecting sleeves 7, secondary gaskets 8 and pouring holes 9.
Detailed Description
The utility model discloses constitute by steel buckled plate 1, overlap joint bolt 2, the sealed pad 3 of overlap joint, secondary seal board 4, sealing bolt 5, expanded material or expansion cement 6, connecting sleeve 7, the sealed pad 8 of secondary.
Fig. 1 shows that the overlap joint bolt 2 passes two 1 relative overlap joint screw holes of lapped steel buckled plate and places the overlap joint sealed pad 3 between 1 overlap joint department of two lapped steel buckled plate with two 1 fixed connection of lapped steel buckled plate, and the overlap joint sealed pad 3 seals 1 overlap joint department of two steel buckled plate, and this is current general sealed mode, also is sealed for the first time.
Fig. 1 shows that the utility model discloses secondary seal in addition, secondary seal includes secondary closing plate 4, sealing bolt 5, fills expanded material or expansion cement 6. The face of secondary seal board 4 is relative with the lower extreme of the overlap joint bolt 2 of two 1 overlap joints of steel buckled plate, has sealed screw on the face of secondary seal board 4, and sealing bolt 5 passes sealed screw and is connected with the lower extreme of overlap joint bolt 2, and the both sides of secondary seal board 4 respectively with the lateral wall in close contact with of two 1 steel buckled plates of the both sides of overlap joint. The cavity that the face of secondary seal board 4 and two corrugated steel plate 1 enclose is filled with expanded material or expansion cement 6, and expanded material or expansion cement 6 carry out the secondary seal to two corrugated steel plate 1 overlap joints.
Fig. 1 shows that, in order to pour and fill the foam material or the expansive cement 6, pouring holes 9 for pouring the foam material or the expansive cement are reserved on the plate surface of the secondary sealing plate 4.
Fig. 1 shows that one connection mode of the secondary seal sealing bolt 5 and the overlap joint bolt 2 is that a screw hole is arranged on the screw rod end surface of the overlap joint bolt 2, the screw hole is matched with the thread of the sealing bolt 5, and the sealing bolt 5 penetrates through the sealing screw hole of the secondary seal plate 4 to be connected with the screw hole on the screw rod end surface of the overlap joint bolt 2. In the screwing process of the sealing bolt 5, the two sides of the secondary sealing plate 4 are respectively tightly propped against the side walls of the two steel corrugated plates 1 at the two sides of the lap joint. This connection requires the lap bolt 2 to be machined, a hole to be drilled in the bottom surface of the lap bolt 2, and a screw hole to be machined by a tap.
Fig. 2 shows that, another connection mode of the secondary seal sealing bolt 5 and the overlap joint bolt 2 is that, the screw rod lower end of the overlap joint bolt 2 has a connecting sleeve 7, the upper end of the connecting sleeve 7 is open, the lower end is closed, the inner hole of the connecting sleeve 7 has a screw thread to match with the screw thread of the overlap joint bolt 2, the upper end of the connecting sleeve 7 is fastened and connected with the overlap joint bolt 2 through the screw thread, the lower end face of the connecting sleeve 7 has a screw hole, the screw thread of the screw hole matches with the screw thread of the sealing bolt 5, and the sealing bolt 5 penetrates through the sealing screw hole of the secondary seal plate 4 to be connected with the screw hole on. This kind of connected mode needs preparation connecting sleeve 7, and the hole processing of connecting sleeve 7 goes out the screw thread and overlaps joint bolt 2 phase-match, processes the bolt hole on the lower extreme terminal surface of connecting sleeve 7, and the bolt hole matches with seal bolt 5's screw thread.
The plate surface of the secondary sealing plate 4 is shown to be a flat steel plate or a steel plate with reinforcing ribs. And secondary sealing gaskets 8 are arranged at the contact positions of the two sides of the secondary sealing plate 4 and the side walls of the two steel corrugated plates 1.
The utility model discloses a use method as follows:
firstly, two steel buckled plate 1 overlap joints are carried out, and the overlap joint of two steel buckled plate 1 is sealed for the first time by using an overlap joint sealing gasket 3 during the overlap joint.
Then, the secondary sealing plate 4 is placed below the overlap joint bolt 2, the sealing bolt 5 penetrates through a sealing screw hole of the secondary sealing plate 4 to be connected with the overlap joint bolt 2, the overlap joint bolt 2 can be connected with the sealing bolt 5 through a screw hole in the end face of the screw rod in a connection mode, and the overlap joint bolt 2 can also be connected with the sealing bolt 5 through a connecting sleeve 7.
Next, the sealing bolt 5 is tightened to push the both sides of the secondary sealing plate 4 against the side walls of the two corrugated steel plates 1 at the both sides of the lap joint. In the jacking process, secondary sealing gaskets 8 are arranged at the contact positions of two sides of the secondary sealing plate 4 and the two steel corrugated plates 1 according to requirements.
And finally, pouring foaming materials or expansion cement 6 into a cavity formed by the plate surface of the secondary sealing plate 4 and the two steel corrugated plates 1 through pouring holes 9 reserved on the plate surface of the secondary sealing plate 4 to complete secondary sealing.
The foaming material or the expansion cement 6 can be replaced after reaching the service life, namely the secondary sealing plate 4 is removed, the secondary sealing plate 4 is installed after the sealing material on the inner side is cleaned up, and the new foaming material or the expansion cement 6 is poured.
The utility model discloses an embodiment as follows:
the diameter of the lap bolt 2 is 20 mm;
the lap joint sealing gasket 3 is a rubber gasket and has the thickness of 3 mm;
the length of the secondary sealing plate 4 is 3200mm, the width is 165mm, and the thickness is 2 mm;
the diameter of the sealing bolt 5 is 10 mm;
the foaming material or the expansion cement 6 is polyurethane foaming glue;
the length of the connecting sleeve 7 is 25mm, the outer diameter is 30mm, and the diameter of the inner hole is 20 mm;
the secondary sealing gasket 8 is a rubber gasket and has the thickness of 1.5 mm;
the diameter of the infusion orifice 9 is 20 mm.
Claims (5)
1. The utility model provides a sealing device of steel buckled plate pipe gallery slab lap-joint, it includes overlap joint bolt (2), the sealed pad of overlap joint (3), overlap joint bolt (2) pass on two lapped steel buckled plates (1) relative overlap joint screw with two lapped steel buckled plates (1) fixed connection, place the sealed pad of overlap joint (3) between two lapped steel buckled plates (1) lap-joint, its characterized in that: it is secondary closing plate (4) and sealing bolt (5) in addition, the face of secondary closing plate (4) is relative with the lower extreme of the overlap joint bolt (2) of two steel buckled plate (1) overlap joints, there is sealed screw on the face of secondary closing plate (4), sealing bolt (5) pass sealed screw and are connected with the lower extreme of overlap joint bolt (2), the both sides of secondary closing plate (4) respectively with the lateral wall in close contact with of two steel buckled plate (1) of the both sides of overlap joint, the face of secondary closing plate (4) is filled with expanded material or expansion cement (6) with the cavity intussuseption that two steel buckled plate (1) enclose.
2. A sealing device at the lap joint of steel corrugated plate pipe gallery plates according to claim 1, characterized in that: screw holes are formed in the end faces of the screws of the lap bolts (2), the screw holes are matched with the threads of the sealing bolts (5), and the sealing bolts (5) penetrate through the sealing screw holes of the secondary sealing plates (4) to be connected with the screw holes in the end faces of the screws of the lap bolts (2).
3. A sealing device at the lap joint of steel corrugated plate pipe gallery plates according to claim 1, characterized in that: the screw rod lower extreme of overlap joint bolt (2) has connecting sleeve (7), the upper end opening of connecting sleeve (7), the lower extreme is sealed, the hole of connecting sleeve (7) has the screw thread phase-match with the screw rod screw thread of overlap joint bolt (2), the upper end of connecting sleeve (7) is through screw thread and overlap joint bolt (2) fastening connection, there is the screw on the lower extreme terminal surface of connecting sleeve (7), the screw thread of screw and the screw thread phase-match of sealing bolt (5), sealing bolt (5) are passed the sealed screw of secondary seal board (4) and are connected with the screw on the terminal surface under connecting sleeve (7).
4. A sealing device at the lap joint of steel corrugated plate pipe gallery plates according to claim 1, characterized in that: and a pouring hole (9) for pouring foaming materials or expanded cement (6) is reserved on the surface of the secondary sealing plate (4).
5. A sealing device at the lap joint of steel corrugated plate pipe gallery plates according to claim 1, characterized in that: the plate surface of the secondary sealing plate (4) is a flat steel plate or a steel plate with reinforcing ribs, and secondary sealing gaskets (8) are arranged at the contact positions of the two sides of the secondary sealing plate (4) and the side walls of the two steel corrugated plates (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920153445.1U CN209873861U (en) | 2019-01-29 | 2019-01-29 | Sealing device for lap joint of steel corrugated plate pipe gallery plates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920153445.1U CN209873861U (en) | 2019-01-29 | 2019-01-29 | Sealing device for lap joint of steel corrugated plate pipe gallery plates |
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| Publication Number | Publication Date |
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| CN209873861U true CN209873861U (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920153445.1U Active CN209873861U (en) | 2019-01-29 | 2019-01-29 | Sealing device for lap joint of steel corrugated plate pipe gallery plates |
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| CN (1) | CN209873861U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112392506A (en) * | 2020-11-17 | 2021-02-23 | 同济大学 | Corrugated steel plate double-layer lining structure for tunnel |
-
2019
- 2019-01-29 CN CN201920153445.1U patent/CN209873861U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112392506A (en) * | 2020-11-17 | 2021-02-23 | 同济大学 | Corrugated steel plate double-layer lining structure for tunnel |
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