CN211171575U - Railway bridge beam end waterproof device - Google Patents
Railway bridge beam end waterproof device Download PDFInfo
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- CN211171575U CN211171575U CN201922018254.7U CN201922018254U CN211171575U CN 211171575 U CN211171575 U CN 211171575U CN 201922018254 U CN201922018254 U CN 201922018254U CN 211171575 U CN211171575 U CN 211171575U
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Abstract
The utility model relates to a railroad bridge roof beam end watertight fittings, including being used for setting up two profile shapes in the expansion joint both sides roof beam body respectively, two be equipped with the waterproof rubber area between the profile shape, two the inboard that the profile shape is relative is equipped with the recess, the both ends in waterproof rubber area are equipped with the flange, flange shape adaptation the groove shape, and the joint in the recess, be equipped with the arch in the recess, protruding butt in the flange. An application a railway bridge beam-ends watertight fittings, the profile shapes medial surface in the recess protruding butt is in on the flange, will the flange support tightly in the recess, can prevent flowing water, debris entering waterproof rubber in-band has strengthened sealed effect, has realized thoroughly waterproof, the detachable joint also can with waterproof rubber area with the profile shapes is installed and removed fast, this watertight fittings simple structure, convenient to use, respond well.
Description
Technical Field
The utility model relates to a watertight fittings, especially a railway bridge beam-ends watertight fittings.
Background
The beam end waterproof device is an important part of a bridge, is arranged at the beam end of the bridge, plays a role in preventing water for the adjacent beam end or a lower structure between a beam and a bridge abutment, and can adapt to the deformation of a beam body. The beam end waterproof device adopted at present comprises main components such as a special-shaped section bar, a waterproof rubber belt, an anchor bar and the like, and a waterproof rubber belt flange is in surface contact with a special-shaped section bar groove, so that the waterproof effect is poor; in order to achieve the waterproof effect, the outer dimension of the waterproof rubber belt flange is usually larger than the inner dimension of the profiled bar groove, so that the waterproof rubber belt flange is very difficult to mount, wastes time and labor, is difficult to mount in place, and is easy to damage the waterproof rubber belt in the mounting process. Therefore, the novel railway bridge beam end waterproof device is developed, the waterproof purpose is achieved, the installation is convenient, and the important practical significance is achieved.
SUMMERY OF THE UTILITY MODEL
The invention of the utility model aims to: the problem that the existing beam end waterproof device in the prior art is poor in waterproof effect and difficult to install is solved.
In order to realize the purpose, the utility model discloses a technical scheme be:
the utility model provides a railway bridge beam-ends watertight fittings, is including being used for setting up two profile shapes in the expansion joint both sides roof beam body respectively, two be equipped with the waterproof rubber area between the profile shape, two the inboard that the profile shape is relative is equipped with the recess, the both ends of waterproof rubber area are equipped with the flange, flange shape adaptation the recess shape, and the joint in the recess, be equipped with the arch in the recess, protruding butt in the flange.
Adopt a railway bridge beam-ends watertight fittings, the profile shapes medial surface in the recess protruding butt is in on the flange, will the flange support tightly in the recess, can prevent flowing water, debris entering waterproof rubber in-band has strengthened sealed effect, has realized thoroughly waterproof, the detachable joint also can with waterproof rubber area with the profile shapes is installed and removed fast, this watertight fittings simple structure, convenient to use, respond well.
Preferably, the outer arc surface of the flange is attached to the concave arc surface of the groove.
Preferably, the cross section of the waterproof rubber belt between the two flanges is wavy, so that the waterproof rubber belt can be conveniently and freely extended or compressed along with the expansion joint of the beam end.
Preferably, at least one axial hole is formed in the flange, so that the extrusion elasticity of the flange is improved, and the flange can be conveniently clamped in the groove.
Preferably, the protrusion is a hemispherical structural member or a triangular structural member.
Preferably, a dovetail groove is formed in the profiled bar, a trapezoidal connecting block is arranged in the dovetail groove, and the trapezoidal connecting block is connected with the anchoring steel bar.
Preferably, the trapezoidal connecting block is in threaded connection with the anchoring steel bar and is screwed and fixed through a nut.
By adopting the structural arrangement, the grooves and the dovetail grooves are simultaneously formed in the profiled bars, the waterproof rubber belts are arranged between the profiled bars, the profiled bars pass through the dovetail grooves and the trapezoidal connecting blocks and are fixed on the anchoring reinforcing steel bars, the structural design is compact, the trapezoidal connecting blocks can slide or rotate in the dovetail grooves during assembly, and after the assembly is in place, the trapezoidal connecting blocks are fastened in the dovetail grooves through the nuts, so that the beam end waterproof device can freely stretch in two directions parallel to and perpendicular to the axis of a bridge, the requirement on bridge deck deformation is met, and the firmness and reliability of a bridge body are ensured.
Preferably, the dovetail groove is disposed opposite to the groove.
Preferably, the beam body is internally provided with supporting steel bars, and the anchoring steel bars are used for being fixedly connected to the supporting steel bars.
Preferably, the waterproof rubber belt is an ethylene propylene diene monomer structural member, a natural rubber structural member or a chloroprene rubber structural member.
Preferably, the profiled bar is an aluminum alloy structural member.
Preferably, a ballast blocking cover plate is arranged between the beam bodies on the two sides and is positioned above the two profiled bars and the waterproof rubber belt, so that the waterproof rubber belt is protected from being damaged.
The utility model also provides a railroad bridge roof beam end watertight fittings, including being used for setting up two internal profile shapes at expansion joint both sides roof beam respectively, two be equipped with the waterproof rubber area between the profile shape, two the inboard that the profile shape is relative is equipped with the recess, the both ends in waterproof rubber area are equipped with the flange, flange shape adaptation groove shape, and the joint in the recess, be equipped with the sawtooth closed angle on the flange, sawtooth closed angle butt in the recess.
Adopt a railway bridge beam-ends watertight fittings, be equipped with the butt on the flange in the sawtooth closed angle of recess will the flange support tightly in the recess, can prevent flowing water, debris entering waterproof rubber in-band has strengthened sealed effect, has realized thoroughly waterproof, the detachable joint also can waterproof rubber area with the profile shapes are installed and removed fast, this watertight fittings simple structure, convenient to use, respond well.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. by applying the waterproof device for the beam end of the railway bridge, the bulges in the groove on the inner side surface of the profiled bar are abutted against the flange, the flange is abutted against the groove, running water and sundries can be prevented from entering the waterproof rubber belt, the sealing effect is enhanced, complete waterproof is realized, the waterproof rubber belt and the profiled bar can be quickly assembled and disassembled by the detachable joint, and the waterproof device is simple in structure, convenient to use and good in effect;
2. by applying the railway bridge beam end waterproof device, the cross section of the waterproof rubber belt between the two flanges is wavy, so that the waterproof rubber belt can be conveniently and freely extended or compressed along with the expansion joint of the beam end;
3. by applying the railway bridge beam end waterproof device, at least one axial hole is arranged in the flange, so that the extrusion elasticity of the flange is improved, and the flange can be conveniently clamped in the groove;
4. the railway bridge beam end waterproof device provided by the utility model is applied, the grooves and the dovetail grooves are simultaneously arranged on the profiled bars, the waterproof rubber belts are arranged between the profiled bars, the profiled bars are fixed on anchoring steel bars through the dovetail grooves and the trapezoidal connecting blocks, the structural design is compact, the trapezoidal connecting blocks can slide or rotate in the dovetail grooves during assembly, and after the assembly is in place, the trapezoidal connecting blocks are fastened in the dovetail grooves through the nuts, so that the beam end waterproof device can freely stretch in two directions parallel to and perpendicular to the axis of a bridge, the requirement of bridge deck deformation is met, and the firmness and reliability of a bridge body are ensured;
5. by applying the railway bridge beam-end waterproof device, a ballast blocking cover plate is arranged between beam bodies on two sides, and is positioned above two special-shaped sections and the waterproof rubber belt, so that the waterproof rubber belt is protected from being damaged;
6. application a railroad bridge beam-ends watertight fittings, be equipped with the butt on the flange in the sawtooth closed angle of recess will the flange support tightly in the recess, can prevent flowing water, debris entering waterproof rubber in-band has strengthened sealed effect, has realized thoroughly waterproof, the detachable joint also can waterproof rubber area with the profile shapes are installed and removed fast, this watertight fittings simple structure, convenient to use, respond well.
Drawings
FIG. 1 is a schematic structural view of a beam-end waterproofing device according to embodiment 1;
fig. 2 is a schematic structural view of the profiled bar according to example 1;
FIG. 3 is a schematic view showing the installation of the beam-end waterproofing means in example 1;
FIG. 4 is a schematic structural view of the beam-end waterproofing device according to embodiment 2;
fig. 5 is a schematic structural view of the profiled bar according to example 2;
FIG. 6 is a schematic view of the structure of the flange described in example 2.
The labels in the figure are: 01-beam body, 02-supporting steel bar, 03-ballast covering plate, 04-positioning steel pipe, 05-positioning steel plate, 1-profiled bar, 11-groove, 12-concave arc surface, 13-protrusion, 14-dovetail groove, 15-trapezoidal connecting block, 2-waterproof rubber belt, 21-flange, 22-external arc surface, 23-axial hole, 24-sawtooth sharp angle and 3-anchoring steel bar.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
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 for purposes of illustration only and are not intended to limit the invention.
Example 1
As shown in fig. 1-3, a railway bridge beam end watertight fittings, including being used for setting up two profiles 1 in expansion joint both sides roof beam body 01 respectively, two be equipped with waterproof rubber area 2 between the profile 1, specifically, profile 1 is the aluminum alloy structure spare, waterproof rubber area 2 is EPT rubber structure spare, natural rubber structure spare or chloroprene rubber structure spare.
Two the inboard that profile shapes 1 is relative is equipped with recess 11, the both ends of waterproof rubber area 2 are equipped with flange 21, flange 21 shape adaptation recess 11 shape, and the joint in the recess 11, as shown in fig. 1 and 2, the outer arc surface 22 of flange 21 with the concave arc surface 12 of recess 11 laminates mutually, be equipped with protruding 13 in the recess 11, protruding 13 butt in flange 21, protruding 13 is half spherical structure spare or triangle-shaped structure spare.
As shown in fig. 1 and 3, the cross section of the waterproof rubber belt 2 between the two flanges 21 is wavy, which can facilitate the waterproof rubber belt 2 to freely extend or compress along with the expansion joint of the beam end, and two axial holes 23 are arranged in the flanges 21, so as to improve the extrusion elasticity of the flanges, so that the flanges 21 can be conveniently clamped in the grooves 11.
As shown in fig. 1-3, a dovetail groove 14 is formed on the profiled bar 1, the dovetail groove 14 is arranged opposite to the groove 11, a trapezoidal connecting block 15 is arranged in the dovetail groove 14, the trapezoidal connecting block 15 is in threaded connection with an anchoring reinforcement 3 and is screwed and fixed through a nut, the groove 11 and the dovetail groove 14 are simultaneously arranged on the profiled bar 1, the waterproof rubber belt 2 is arranged between the profiled bars 1, the profiled bar 1 is fixed on the anchoring reinforcement 3 through the dovetail groove 14 and the trapezoidal connecting block 15, the structural design is compact, the trapezoidal connecting block 15 can slide or rotate in the dovetail groove 14 during assembly, after the assembly is in place, the trapezoidal connecting block 15 is fastened in the dovetail groove 14 through the nut, and the beam-end waterproof device is ensured to be freely telescopic in two directions parallel to and perpendicular to the axis of the bridge, the requirement of bridge deck deformation is satisfied, and the bridge body is guaranteed to be firm reliable.
As shown in fig. 3, a supporting steel bar 02 is arranged in a beam body 01, when the beam body is installed, the anchoring steel bar 3 is used for being welded to the supporting steel bar 02, the profiled bar 1 is fixed at the beam end of the beam body 01, then the positioning steel tube 04 is welded firmly with an embedded part of the beam body 01, then concrete with designed labels is poured, after solidification, the profiled bar 1 and the beam body 01 form an integrated structure, two flanges 21 at two ends of the waterproof rubber belt 2 are respectively clamped in the corresponding grooves 11, a ballast blocking cover plate 03 is arranged between the beam bodies 01 at two sides, the ballast blocking cover plate 03 is arranged above the two profiled bars 1 and the waterproof rubber belt 2 to protect the waterproof rubber belt 2 from being damaged, a positioning steel plate 05 is arranged and welded on the positioning steel tube 04, and the positioning steel plate 05 is welded to the ballast blocking cover plate 03.
Application a railway bridge beam-ends watertight fittings, 1 medial surface of profile shapes protruding 13 butt is in the recess 11 on the flange 21, will flange 21 support tightly in the recess 11, can prevent flowing water, debris entering in the waterproof rubber area 2, strengthened sealed effect, realized thoroughly waterproof, the detachable joint also can waterproof rubber area 2 with profile shapes 1 is installed and removed fast, this watertight fittings simple structure, convenient to use, respond well.
Example 2
As shown in fig. 4-6, the difference between the waterproof device for a railroad bridge beam end of the present invention and embodiment 1 is that, in this embodiment, the protrusion 13 is not disposed in the groove 11, the flange 21 is provided with a sharp sawtooth corner 24, and the sharp sawtooth corner 24 abuts against the groove 11.
Application a railroad bridge beam-ends watertight fittings, be equipped with the butt on the flange 21 in the sawtooth cusp angle 24 of recess 11, will flange 21 support tightly in the recess 11, can prevent flowing water, debris entering waterproof rubber takes 2 in, has reinforceed sealed effect, has realized thoroughly waterproof, the detachable joint also can with waterproof rubber takes 2 with profile shapes 1 is installed and removed fast, this watertight fittings simple structure, convenient to use, respond well.
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 (10)
1. The utility model provides a railway bridge beam-ends watertight fittings, its characterized in that, including being used for setting up two profile shapes (1) in expansion joint both sides roof beam body (01) respectively, two be equipped with waterproof rubber area (2), two between profile shape (1) the inboard that profile shape (1) is relative is equipped with recess (11), the both ends of waterproof rubber area (2) are equipped with flange (21), flange (21) shape adaptation recess (11) shape, and the joint in recess (11), be equipped with arch (13) in recess (11), arch (13) butt in flange (21).
2. The waterproofing device according to claim 1 wherein the cross section of the waterproofing rubber strip (2) between the two flanges (21) is wavy.
3. A water-proofing device according to claim 2, characterized in that at least one axial hole (23) is provided in the flange (21).
4. A water-proofing device according to claim 3, characterized in that the protrusion (13) is a hemispherical structure or a triangular structure.
5. A water-proof device according to claim 4, characterized in that the profiled bar (1) is provided with a dovetail groove (14), a trapezoid connecting block (15) is arranged in the dovetail groove (14), and the trapezoid connecting block (15) is connected with the anchoring steel bar (3).
6. A water-proofing arrangement according to claim 5, characterized in that the dovetail groove (14) is arranged opposite the groove (11).
7. A water-proofing arrangement according to claim 6, characterized in that the beam body (01) is provided with support bars (02), and the anchoring bars (3) are adapted to be fixedly connected to the support bars (02).
8. A water-proof device according to claim 7, characterized in that the water-proof rubber band (2) is an EPDM structural member, a natural rubber structural member or a Neoprene structural member.
9. The waterproof device according to any one of claims 1 to 8, wherein a ballast retaining cover plate (03) is arranged between the two side beam bodies (01), and the ballast retaining cover plate (03) is positioned above the two profiles (1) and the waterproof rubber belt (2).
10. The utility model provides a railway bridge beam-ends watertight fittings, its characterized in that, including being used for setting up two profile shapes (1) in expansion joint both sides roof beam body (01) respectively, two be equipped with waterproof rubber area (2), two between profile shape (1) the inboard that profile shape (1) is relative is equipped with recess (11), the both ends of waterproof rubber area (2) are equipped with flange (21), flange (21) shape adaptation recess (11) shape, and the joint in recess (11), be equipped with sawtooth closed angle (24) on flange (21), sawtooth closed angle (24) butt in recess (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922018254.7U CN211171575U (en) | 2019-11-20 | 2019-11-20 | Railway bridge beam end waterproof device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922018254.7U CN211171575U (en) | 2019-11-20 | 2019-11-20 | Railway bridge beam end waterproof device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211171575U true CN211171575U (en) | 2020-08-04 |
Family
ID=71828838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922018254.7U Active CN211171575U (en) | 2019-11-20 | 2019-11-20 | Railway bridge beam end waterproof device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211171575U (en) |
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2019
- 2019-11-20 CN CN201922018254.7U patent/CN211171575U/en active Active
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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: No.3, Tongjin Road, Chengdu, Sichuan 610000 Patentee after: CHINA RAILWAY ERYUAN ENGINEERING GROUP Co.,Ltd. Patentee after: Zhongyu Tiexin Transportation Technology Co., Ltd Address before: No.3, Tongjin Road, Jinniu District, Chengdu, Sichuan 610031 Patentee before: CHINA RAILWAY ERYUAN ENGINEERING GROUP Co.,Ltd. Patentee before: Hengshui China Railway Construction Engineering Rubber Co., Ltd |
|
| CP03 | Change of name, title or address |