CN218667115U - Durable type railway bridge beam-ends watertight fittings - Google Patents
Durable type railway bridge beam-ends watertight fittings Download PDFInfo
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- CN218667115U CN218667115U CN202223021230.5U CN202223021230U CN218667115U CN 218667115 U CN218667115 U CN 218667115U CN 202223021230 U CN202223021230 U CN 202223021230U CN 218667115 U CN218667115 U CN 218667115U
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- water stop
- angle steel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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Abstract
The utility model relates to a railway bridge watertight fittings technical field aims at solving the problem that the wave shape stainless steel waterstop can not collect the water drainage system well in the existing railway bridge watertight fittings, the waterstop both ends are easy to leak water, and the V-shaped groove of the wave shape stainless steel waterstop is easy to freeze when the air temperature is lower, the expansion deformation of the waterstop is influenced, a durable railway bridge beam end watertight fittings is provided, which comprises a first connecting piece and a second connecting piece which are respectively arranged at the two sides of the expansion joint, the top surfaces of the first connecting piece and the second connecting piece are flush with the beam surface, the bottom surface of the first connecting piece is higher than the bottom surface of the second connecting piece, the waterstop is connected between the first connecting piece and the second connecting piece, and the end of the waterstop connected with the second connecting piece is formed with a drainage groove; the utility model discloses form the difference in height at the waterstop both ends, arrange the rainwater in low-lying water drainage tank, then drain away through the drainage system of end, can effectively avoid the rainwater to pile up and freeze, avoid influencing the flexible deformation of stainless steel waterstop.
Description
Technical Field
The utility model relates to a railway bridge roof beam watertight fittings technical field particularly, relates to a durable type railway bridge beam-ends watertight fittings.
Background
The railway bridge waterproof device is arranged between adjacent beam ends or at an expansion joint between a beam body and a breast wall of a bridge abutment, plays roles in preventing slag falling and preventing water, and is an important accessory of a bridge.
The traditional railroad bridge waterproof device is composed of anchoring profiled bars arranged at two sides of an expansion joint and a rubber water stop connected between the two, wherein the two ends of the rubber water stop are respectively and fixedly sealed by the anchoring profiled bars at the two ends through an internal cavity. The rubber is exposed in the environment, and is easy to age through sunshine and wind, so that the waterproof performance is reduced or the waterproof is ineffective. The conventional repair mode is for changing rubber waterstop, nevertheless because rubber waterstop one end closely blocks in the cavity of section bar, and the space of telescoping device installation department is narrower in addition, leads to changing rubber waterstop time long, and construction process is loaded down with trivial details, wastes time and energy, and the work progress need occupy a large amount of manpower and materials, has greatly increased the maintenance cost.
Some telescoping device manufacturers replace the rubber waterstop with a stainless steel plate to increase the overall durability of the waterproof device, but the stainless steel plate is a wave-shaped rubber waterstop, and the waterproof device has the following problems:
1. the water collection and drainage at two ends of the wave-shaped water stop are complex, so that a drainage system cannot be well collected, and the condition of water leakage exists at two ends of the water stop;
2. in northern areas of China, the temperature is low in winter, and V-shaped grooves of the wave-shaped water stop belt are easy to freeze, so that the expansion deformation of the water stop belt is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a durable type railroad bridge roof beam end watertight fittings to wave shape stainless steel waterstop can not collect the water drainage system betterly among the solution current railroad bridge watertight fittings, leads to the waterstop both ends to leak, and easily freezes in the V type inslot of wave stainless steel waterstop when ambient temperature is lower, influences the flexible problem of deformation of waterstop.
The utility model discloses a technical scheme who adopts following realizes:
the utility model provides a durable type railway bridge beam-ends watertight fittings, is including setting up first connecting piece and the second connecting piece in the expansion joint both sides respectively, first connecting piece and the top surface and the roof beam face of second connecting piece flush mutually, the bottom surface of first connecting piece is higher than the bottom surface of second connecting piece, first connecting piece with be connected with the waterstop between the second connecting piece, the waterstop with the one end that the second connecting piece is connected is formed with water drainage tank.
Because there is the discrepancy in elevation between first connecting piece and the second connecting piece, consequently the both ends of the waterstop between the two also are formed with the discrepancy in elevation, specifically do: one end connected with the first connecting piece is higher than one end connected with the second connecting piece. Because the drainage groove is formed at one end of the water stop connected with the second connecting piece, the topography of the drainage groove is low (in a low-lying position), rainwater on the water stop can flow down into the drainage groove and then is drained away by a drainage system at the end, so that rainwater can be effectively prevented from being accumulated and frozen, and influence on the expansion and contraction of the stainless steel water stop is avoided; the durability is stronger, and installation and change are also more convenient.
As a preferable technical scheme:
the first connecting piece and the second connecting piece are angle steels.
As a preferable technical scheme:
the openings of the two angle steels are oppositely arranged.
As a preferred technical scheme:
the water stop belt comprises two vertical plates, the two vertical plates are respectively attached to the vertical edges of the two angle steels, and a bending plate is connected between the two vertical plates.
The vertical plate of the water stop is attached to the vertical edge of the angle steel, so that rainwater is guaranteed to completely flow in the drainage groove, and the rainwater is prevented from permeating into the beam end.
The form of adopting the bending plate is not only favorable for draining away the rainwater on the waterstop, but also the bending plate can realize the flexible deformation of the adaptive beam body.
As a preferred technical scheme:
the bending plate comprises two horizontal plates, the two horizontal plates are connected through an inclined plate, and the two horizontal plates are respectively attached to the horizontal edges of the two angle steels.
As a preferable technical scheme:
the bending plate is similar to a Z-shaped plate.
As a preferred technical scheme:
and a rubber pad is arranged between the horizontal plate and the horizontal edge of the angle steel.
The rubber pad can play waterproof effect, avoids rainwater infiltration to the beam-ends.
As a preferable technical scheme:
the angle steel and the water stop are connected with the beam body through an anchor.
As a preferable technical scheme:
the anchor nail is provided with a limiting part, the limiting part is located on the bottom surface of the angle steel, and the limiting part is used for limiting the position of the angle steel.
As a preferred technical scheme:
the limiting part is a limiting nut.
And installing the limit nut on the anchor, placing the angle steel on the limit nut, and then adjusting the limit nut, so that the height of the angle steel is changed, and the top surface of the vertical edge of the angle steel is flush with the beam surface.
As a preferred technical scheme:
one end of the anchor nail penetrates through the angle steel, the rubber pad and the water stop belt in sequence, and a pressing plate, a flat pad, an elastic pad and a bolt are sequentially installed on the water stop belt to fasten the water stop belt.
Adopt bolted connection, the normal use stage, maintenance work load is few, and need not change basically, if meet earthquake or other reasons, the waterstop is destroyed, only needs unscrew the bolt, places new waterstop, the bolt of screwing up again can, consequently, the waterstop installation is very convenient with the change.
As a preferred technical scheme:
the waterstop is a stainless steel structural member.
As a preferred technical scheme:
the anchor nail is welded with the embedded anchor bar of the beam body.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses a beam-ends watertight fittings satisfies waterproof, prevents tiny fragments of stone, coal, etc. and the durability requirement.
2. The utility model discloses a beam-ends watertight fittings forms the difference in height at the waterstop both ends, arranges the rainwater in low-lying water drainage tank entirely, then discharges away through the drainage system of end, and drainage performance is good, can effectively avoid the rainwater to pile up freezing, avoids influencing the flexible deformation of stainless steel waterstop.
3. The utility model discloses a beam-ends watertight fittings adopts stainless steel material, and does not receive the frozen influence of rainwater, therefore the durability is strong.
4. The utility model discloses a waterstop passes through the bolt-up, and the installation is also more convenient with the change.
Drawings
Fig. 1 is the utility model discloses a durable type railway bridge beam-ends watertight fittings's installation schematic diagram.
Fig. 2 is an enlarged schematic view at I in fig. 1.
Icon: 1-a first connecting piece, 2-a second connecting piece, 3-a water stop, 31-a vertical plate, 32-a Z-shaped plate, 321-a horizontal plate, 322-an inclined plate, 4-a drainage groove, 5-an anchor, 6-a limiting nut, 7-a pressing plate, 8-a flat pad, 9-an elastic pad, 10-a nut, 11-a rubber pad, 12-a beam body, 13-a waterproof layer and 14-a beam top protective layer.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
As shown in fig. 1 and fig. 2, the embodiment provides a durable railway bridge beam-end waterproofing device, which includes a first connecting member 1 and a second connecting member 2 respectively disposed at two sides of an expansion joint, top surfaces of the first connecting member 1 and the second connecting member 2 are flush with a beam surface, a bottom surface of the first connecting member 1 is higher than a bottom surface of the second connecting member 2, that is, a height difference exists between the first connecting member 1 and the second connecting member 2, and a position of the first connecting member 1 is higher than a position of the second connecting member 2.
And a water stop 3 is connected between the first connecting piece 1 and the second connecting piece 2, and a water drainage groove 4 is formed at one end of the water stop 3 connected with the second connecting piece 2.
In this embodiment, the first connecting member 1 and the second connecting member 2 are both angle steels. The angle steel comprises a vertical edge and a horizontal edge, the vertical edge is located in a vertical plane, the horizontal edge is located in a horizontal plane, and the vertical edges of the two angle steels are different in height. The vertical sides of the two angle steels are arranged oppositely, and the openings of the two angle steels are arranged oppositely.
In this embodiment, the water stop 3 includes two vertical plates 31, the two vertical plates 31 are respectively attached to the vertical edges of the two angle steels, and a Z-shaped plate 32 is connected between the two vertical plates 31. The vertical plate 31 of the water stop 3 is attached to the vertical edge of the angle steel, so that rainwater is prevented from permeating, the rainwater is completely guaranteed to be on the water stop 3 and then flows into the drainage groove 4, and the rainwater is prevented from permeating into the beam end.
The Z-shaped plate 32 comprises two horizontal plates 321, the two horizontal plates 321 are connected through an inclined plate 322, the bottom surfaces of the two horizontal plates 321 are respectively attached to the horizontal edges of the two angle steels, and the two horizontal plates 321 are respectively connected with the vertical plates 31 on the two sides. The inclined plate 322, the horizontal plate 321 connected with the second connector 2, and the vertical plate 31 form the drainage channel 4, and rainwater falling on the water stop 3 can smoothly enter the drainage channel 4 through the inclined plate 322. The form of the Z-shaped plate 32 is not only favorable for draining rainwater on the water stop 3 to avoid rainwater accumulation, but also the Z-shaped plate 32 can adapt to the telescopic deformation of the beam body 12. In this embodiment, the zigzag-shaped plate 32 is only zigzag-like, not strictly zigzag-shaped, and the inclined plate 322 should be arranged to be inclined toward the second connection member 2 in order to facilitate rainwater to flow into the drain tank 4.
Wherein, horizontal plate 321 with be equipped with rubber pad 11 between the horizontal limit of angle steel, rubber pad 11 can play waterproof effect, avoids the rainwater to infiltrate down to the beam-ends.
The angle steel and the water stop 3 are connected with the beam body 12 through the anchor 5. Specifically, anchor 5's one end and the pre-buried anchor bar welded connection of roof beam body 12, anchor 5's the other end passes in proper order the angle steel rubber 11 and waterstop 3 is in after passing install clamp plate 7, flat pad 8, bullet pad 9 and nut 10 on the anchor 5 in proper order, through the clamp plate 7 flat pad 8 bullet pad 9 and nut 10 will waterstop 3 compresses tightly, fastens, guarantees waterstop 3 with closely laminate between the angle steel, avoids the rainwater seepage. Adopt bolted connection, the normal use stage, maintenance work load is few, and need not change basically, if meet earthquake or other reasons, waterstop 3 is destroyed, only need unscrew the bolt, places new waterstop 3, it can to screw up the bolt again, consequently, the installation of waterstop 3 is very convenient with the change.
And the anchor 5 is also provided with a limit nut 6, the limit nut 6 is positioned on the bottom surface of the angle steel, and the limit nut 6 is used for limiting the position of the angle steel. During installation, the limiting nut 6 is installed on the anchor 5, the angle steel is placed on the limiting nut 6, and then the limiting nut 6 is adjusted, so that the height of the angle steel is changed, and the top surface of the vertical edge of the angle steel is flush with the beam surface.
In this embodiment, the water stop 3 is a stainless steel structure, and is formed by bending a stainless steel plate.
In fig. 1, reference numeral 13 denotes a waterproof layer 13, and reference numeral 14 denotes a roof protective layer 14.
The installation method comprises the following steps:
the limit nut 6 is installed on the anchor 5 and used for limiting the position of the angle steel (the first connecting piece 1 and the second connecting piece 2), the angle steel is placed on the limit nut 6, and then the limit nut 6 is adjusted to enable the top surface of the vertical edge of the angle steel to be flush with the beam surface; the rubber gasket 11 is placed on the horizontal edge of the angle steel, the stainless water stop 3 is placed on the rubber gasket 11, the vertical plates 31 on two sides of the water stop 3 are attached to the inner side of the vertical edge of the angle steel (or fixed by screws), the water stop 3 is fastened by the pressing plate 7, the flat pad 8, the elastic pad 9 and the nut 10, and concrete is poured on the beam body 12 after the installation is finished.
Adopt above-mentioned beam-ends watertight fittings 3 both ends form the difference in height and can arrange the rainwater in low-lying water drainage tank 4, then drain away through the drainage system of end, can effectively avoid the rainwater to pile up freezing, cause the influence to the corrosion resistant plate is flexible.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a durable type railway bridge beam-ends watertight fittings which characterized in that:
including setting up first connecting piece and the second connecting piece in the expansion joint both sides respectively, first connecting piece and the top surface and the roof beam face of second connecting piece flush mutually, the bottom surface of first connecting piece is higher than the bottom surface of second connecting piece, first connecting piece with be connected with the waterstop between the second connecting piece, the waterstop with the one end that the second connecting piece is connected is formed with water drainage tank.
2. The durable railroad bridge end flashing device of claim 1, wherein:
the first connecting piece and the second connecting piece are angle steels.
3. The durable railroad bridge-end flashing device of claim 2, wherein:
the openings of the two angle steels are oppositely arranged.
4. The durable railroad bridge-end flashing device of claim 3, wherein:
the water stop belt comprises two vertical plates, the two vertical plates are respectively attached to the vertical edges of the two angle steels, and a bending plate is connected between the two vertical plates.
5. The durable railroad bridge-end flashing device of claim 4, wherein:
the bending plate comprises two horizontal plates, the two horizontal plates are connected through an inclined plate, and the two horizontal plates are respectively attached to the horizontal edges of the two angle steels.
6. The durable railroad bridge end flashing device of claim 5, wherein:
and a rubber pad is arranged between the horizontal plate and the horizontal edge of the angle steel.
7. The durable railway bridge beam-end waterproofing device according to claim 6, wherein:
the angle steel and the water stop are connected with the beam body through an anchor.
8. The durable railroad bridge-end flashing device of claim 7, wherein:
the anchor nail is provided with a limiting part, the limiting part is located on the bottom surface of the angle steel, and the limiting part is used for limiting the position of the angle steel.
9. The durable railroad bridge end flashing device of claim 8, wherein:
one end of the anchor nail penetrates through the angle steel, the rubber pad and the water stop belt in sequence, and a pressing plate, a flat pad, an elastic pad and a bolt are sequentially installed on the water stop belt to fasten the water stop belt.
10. The durable railway bridge beam-end waterproofing device according to any one of claims 1 to 9, wherein:
the waterstop is a stainless steel structural member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223021230.5U CN218667115U (en) | 2022-11-14 | 2022-11-14 | Durable type railway bridge beam-ends watertight fittings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223021230.5U CN218667115U (en) | 2022-11-14 | 2022-11-14 | Durable type railway bridge beam-ends watertight fittings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218667115U true CN218667115U (en) | 2023-03-21 |
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ID=85536338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223021230.5U Active CN218667115U (en) | 2022-11-14 | 2022-11-14 | Durable type railway bridge beam-ends watertight fittings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218667115U (en) |
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2022
- 2022-11-14 CN CN202223021230.5U patent/CN218667115U/en active Active
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