CN215405569U - Railway bridge expansion device - Google Patents
Railway bridge expansion device Download PDFInfo
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- CN215405569U CN215405569U CN202121127243.3U CN202121127243U CN215405569U CN 215405569 U CN215405569 U CN 215405569U CN 202121127243 U CN202121127243 U CN 202121127243U CN 215405569 U CN215405569 U CN 215405569U
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- Prior art keywords
- plate
- bottom plate
- expansion device
- railroad bridge
- bridge expansion
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- 239000010935 stainless steel Substances 0.000 claims abstract description 29
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 29
- 230000007797 corrosion Effects 0.000 claims abstract description 28
- 238000005260 corrosion Methods 0.000 claims abstract description 28
- 230000000903 blocking effect Effects 0.000 claims description 20
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 9
- 238000010276 construction Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 230000032683 aging Effects 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000004873 anchoring Methods 0.000 description 3
- 230000009191 jumping Effects 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
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- Bridges Or Land Bridges (AREA)
- Road Paving Structures (AREA)
Abstract
The utility model relates to the technical field of bridge construction, and aims to solve the problems that a railway bridge expansion device in the prior art comprises a rubber water stop belt, the rubber is exposed and easily aged by sunshine and wind, the waterproof performance is reduced or the waterproof is ineffective, the maintenance period and the service life are short, and the problems of inconvenient rubber waterstop replacement, complex construction process, time and labor waste and high maintenance cost, provides a railway bridge expansion device, which comprises a left bottom plate and a right bottom plate, the left bottom plate and the right bottom plate are respectively arranged on the beam bodies at two sides of the expansion joint, a left pressure plate is arranged above the left bottom plate, a right pressing plate is arranged above the right bottom plate, a deformed stainless steel plate is arranged in the expansion joint, one end of the stainless steel plate is fixed between the left bottom plate and the left pressing plate, and the other end of the stainless steel plate is fixed between the right bottom plate and the right pressing plate; adopt corrosion resistant plate to replace traditional rubber waterstop, corrosion resistant plate is difficult for ageing, and is waterproof, prevent that mud is effectual, long service life.
Description
Technical Field
The utility model relates to the technical field of bridge construction, in particular to a railway bridge expansion device.
Background
The railway bridge expansion device is arranged between adjacent beam ends or at an expansion joint between a beam body and a bridge abutment breast wall, plays roles of adapting to expansion and creep of the beam body, preventing slag from falling and preventing water, and is an important accessory of a bridge. The device needs to satisfy the bridge and freely stretches out and draws back in two directions of parallel and perpendicular bridge axis, prevents rainwater infiltration extending structure, prevents that ballast or rubbish from getting into the expansion joint or falling down from the roof beam through the expansion joint, influences lower part pedestrian or driving, in addition more avoids rainwater and sewage to flow into beam-ends and beam-ends prestressed anchorage head end-sealing, leads to the corrosion of prestressed anchorage utensil to influence the life of the roof beam body.
The common expansion device for railroad bridges 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 conventional waterproof belt is made of rubber, the rubber is exposed in the environment, and the ageing phenomenon is easily caused by the exposure of the rubber to the sun and the wind, so that the waterproof performance is reduced or the waterproof is ineffective, and the maintenance period and the service life are short. The conventional mode is for changing the rubber waterstop, because the inseparable card of rubber one end is in the cavity of section bar, and the space of expansion joint device installation department is narrower in addition, leads to changing the 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.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a railway bridge expansion device, and aims to solve the problems that the railway bridge expansion device in the prior art comprises a rubber water stop, rubber is exposed and easily aged through sunshine and wind, so that the waterproof performance is reduced or the waterproof performance is ineffective, the maintenance period and the service life are short, the rubber water stop is inconvenient to replace, the construction process is complicated, time and labor are wasted, and the maintenance cost is high.
The embodiment of the utility model is realized by the following steps:
the utility model provides a railroad bridge telescoping device, includes left bottom plate and right bottom plate, left side bottom plate with right bottom plate is installed respectively on the roof beam body of expansion joint both sides, the top of left side bottom plate is equipped with left clamp plate, the top of right side bottom plate is equipped with right clamp plate, be equipped with the corrosion resistant plate of deformation in the expansion joint, corrosion resistant plate's one end is fixed in left side bottom plate with between the left clamp plate, the other end is fixed in right side bottom plate with between the right clamp plate.
The stainless steel plate is adopted to replace the traditional rubber waterstop, is not easy to age, has good waterproof and mud-proof effects, and has long maintenance period and long service life; the deformed stainless steel plate has a certain telescopic deformation space and can adapt to the telescopic creep of the beam body; and adopt left clamp plate and left bottom plate cooperation, right clamp plate and right bottom plate complex form, easily take off the corrosion resistant plate change, construction simple process, labour saving and time saving, it is convenient to maintain, causes the corrosion resistant plate to damage because of the accident, when needing to be changed the corrosion resistant plate, only need to take off left clamp plate and right clamp plate temporarily, then the corrosion resistant plate of renewal can.
In one embodiment:
the stainless steel plate comprises a fold section, the fold section is located in the expansion joint, two corrugated sections are connected to two ends of the fold section respectively, and the two corrugated sections are fixed to the left bottom plate and between the left pressing plates and between the right bottom plate and between the right pressing plates respectively.
The fold section has a certain telescopic deformation space and can adapt to the telescopic creep of the beam body; the both ends of fold section are connected with a section of ripple section respectively, set up the ripple section, and corrosion resistant plate and left bottom plate, left clamp plate, right bottom plate, right clamp plate are the curved surface contact, can increase the area of contact of corrosion resistant plate and left bottom plate, left clamp plate, right bottom plate, right clamp plate, and the roll-off between left bottom plate and the left clamp plate, between right bottom plate and the right clamp plate can prevent that corrosion resistant plate from droing not easily at the both ends of curved surface contact corrosion resistant plate moreover.
In one embodiment:
the corrugated section of the stainless steel plate is in a wave form, the extending direction of the waves is along the width direction of the expansion joint seam, and the corrugated section can be subjected to telescopic deformation along the width direction of the expansion joint seam and is used for adapting to the telescopic creep of the beam body.
In one embodiment:
the stainless steel plate is of an integrally formed structure, the fold sections and the corrugated sections are integrally formed, the fold sections are processed into a wave form through a bending process, and the corrugated sections are extruded through the matching of the pressing plate and the bottom plate.
In one embodiment:
and the two sides of the fold section are connected with drain pipes.
Water leaking from the beam ends enters the deformed stainless steel plates and is discharged along the drain pipes on two sides of the stainless steel plates, so that rainwater accumulation is avoided.
In one embodiment:
and a ballast blocking plate is arranged above the expansion joint.
The ballast blocking plate can prevent railway ballasts and soil from falling down from the gap of the expansion joint or being accumulated on the stainless steel plate, and is particularly suitable for railway expansion joint devices.
But also can be used for preventing rainwater on the beam body from permeating into the end sealing of the anchor heads at the two ends to corrode the anchorage device.
In one embodiment:
the vertical plate is connected below the ballast blocking plate and located in the expansion joint, and limiting parts are arranged between the vertical plate and the left pressing plate and between the vertical plate and the right pressing plate and used for limiting displacement of the ballast blocking plate.
The limiting part is arranged, so that the displacement of the ballast blocking plate can be limited, and the problems of displacement, falling and the like caused by overlarge displacement when the ballast blocking plate is subjected to vibration action are avoided.
In one embodiment:
the vertical plate is fixedly connected with the ballast blocking plate.
In one embodiment:
the limiting part is a rubber ring in a compression state.
Because the rubber ring is in a compressed state, the rubber ring is clamped between the vertical plate and the left pressing plate and between the vertical plate and the right pressing plate, and the position of the rubber ring is kept by means of friction force between the rubber ring and the left pressing plate and between the rubber ring and the right pressing plate, so that the ballast blocking plate is limited, and the ballast blocking plate is prevented from jumping up and down when being vibrated.
In one embodiment:
the rubber ring is vertically arranged, the ring surface of the rubber ring is positioned in a vertical plane, and the diameter of the rubber ring along the horizontal direction is consistent with the width direction of the expansion joint.
The rubber ring is clamped conveniently, and the ballast blocking plate is limited.
In one embodiment:
a plurality of rubber rings are arranged between the vertical plate and the left pressure plate and between the vertical plate and the right pressure plate at intervals.
A plurality of the rubber ring possesses better spacing effect, prevents the fender tiny fragments of stone, coal, etc. board is beating from top to bottom when receiving vibrations.
In one embodiment:
the vertical plate and the rubber ring are positioned above the stainless steel plate.
In one embodiment:
the left bottom plate and the right bottom plate are anchored on the beam body through an anchor bolt.
So that the left bottom plate and the right bottom plate are stably fixed on the beam body.
In one embodiment:
the left bottom plate and the left pressing plate and the right bottom plate and the right pressing plate are fixedly connected through bolts.
The left pressing plate and the right pressing plate are convenient to disassemble, and the stainless steel plate is convenient to install and replace.
In one embodiment:
the left bottom plate and the right bottom plate are aluminum alloy structural members.
In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:
1. the stainless steel plate is adopted to replace the traditional rubber waterstop, is not easy to age, has good waterproof and mud-proof effects, and has long maintenance period and long service life; the deformed stainless steel plate has a certain telescopic deformation space and can adapt to the telescopic creep of the beam body; and adopt left clamp plate and left bottom plate cooperation, right clamp plate and right bottom plate complex form, easily take off the corrosion resistant plate change, construction simple process, labour saving and time saving, it is convenient to maintain, causes the corrosion resistant plate to damage because of the accident, when needing to be changed the corrosion resistant plate, only need to take off left clamp plate and right clamp plate temporarily, then the corrosion resistant plate of renewal can.
2. The stainless steel plate is provided with a fold section, and the fold section has a certain telescopic deformation space and can adapt to the telescopic creep of the beam body; the corrosion resistant plate sets up the ripple section, can increase the area of contact of corrosion resistant plate and left bottom plate, left clamp plate, right bottom plate, right clamp plate, and roll-off between left bottom plate and the left clamp plate, between right bottom plate and the right clamp plate can prevent that corrosion resistant plate from droing also not easily from the both ends of curved surface contact corrosion resistant plate in addition.
3. The ballast blocking plate is arranged, so that the railway ballast and the soil can be prevented from falling down or being accumulated on the stainless steel plate from the gap of the expansion joint, and the railway expansion joint device is particularly suitable for railway expansion joints.
4. The rubber ring is arranged to limit the ballast blocking plate, so that the ballast blocking plate is prevented from jumping up and down when being vibrated.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings referred to in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings may be obtained from these drawings without inventive effort.
Fig. 1 is a schematic structural view of a railroad bridge expansion device according to the present invention.
Icon: 11-left bottom plate; 12-right bottom plate; 21-left press plate; 22-right press plate; 3-a bolt; 4-stainless steel plate; 41-fold section; 42-a corrugated section; 5-a ballast blocking plate; 6-standing the plate; 7-a limiting member; 8-a beam body; 9-anchoring the bolts; 10-expansion joint; 13-a waterproof layer; 14-protective layer.
Detailed Description
In order 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 clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
Examples
Referring to fig. 1, the embodiment provides a railroad bridge expansion device, which includes a left bottom plate 11, a right bottom plate 12 and a stainless steel plate 4, where the left bottom plate 11 and the right bottom plate 12 are respectively installed on top surfaces of beam bodies 8 at two sides of an expansion joint 10 through components such as an anchor 9 and a connecting rod, and the top surfaces of the beam bodies 8 are further provided with a waterproof layer 13 and a protective layer 14.
A left pressing plate 21 is arranged above the left bottom plate 11, and a right pressing plate 22 is arranged above the right bottom plate 12. The left bottom plate 11, the right bottom plate 12, the left pressing plate 21 and the right pressing plate 22 are provided with through holes, bolts 3 are installed in the through holes, and the left bottom plate 11 is fixedly connected with the left pressing plate 21 and the right bottom plate 12 is fixedly connected with the right pressing plate 22 through the bolts 3.
The stainless steel plate 4 is not easy to age, good in waterproof and mud-proof effects, long in maintenance period and long in service life; the deformed stainless steel plate 4 has a certain telescopic deformation space and can adapt to the telescopic creep of the beam body 8; and adopt left clamp plate 21 and the cooperation of left bottom plate 11, right clamp plate 22 and the cooperation of right bottom plate 12 form, easily take off the change with corrosion resistant plate 4, construction process is simple, labour saving and time saving, it is convenient to maintain, when needing to change corrosion resistant plate 4, only need take off left clamp plate 21 and right clamp plate 22 temporarily, then the corrosion resistant plate 4 of renewal can.
Stainless steel plate 4 includes fold section 41, fold section 41 is located between the expansion joint 10, a section ripple section 42, two sections are connected respectively to the both ends of fold section 41 ripple section 42 is fixed in respectively left side bottom plate 11 with between the left side clamp plate 21 right side bottom plate 12 with between the right side clamp plate 22, set up ripple section 42 and can increase stainless steel plate 4 and left bottom plate 11, left clamp plate 21, right side bottom plate 12, the area of contact of right side clamp plate 22, the roll-off also can be prevented from easily following between left bottom plate 11 and left clamp plate 21, between right side bottom plate 12 and the right clamp plate 22 to the both ends of curved surface contact stainless steel plate 4 moreover, can prevent that stainless steel plate 4 from droing.
The corrugated section 41 is in a wave form, the extending direction of the wave is along the width direction of the seam 10 of the expansion joint, and the corrugated section 41 can be deformed in a stretching and contracting manner along the width direction of the seam 10 of the expansion joint and is used for adapting to the stretching and the contracting creep of the beam body 8.
The two sides of the corrugated section 41 of the stainless steel plate 4 are connected with drain pipes.
The top at expansion joint 10 is equipped with fender tiny fragments of stone, coal, etc. board 5, can prevent that railway ballast and earth from falling or piling up on corrosion resistant plate 4 in 10 clearances at expansion joint, can be used for preventing moreover that the rainwater on the roof beam body 8 from permeating the anchor head end seal at both ends, causes the corrosion to the ground tackle.
A vertical plate 6 is fixedly connected below the ballast blocking plate 5, the vertical plate 6 is located in the expansion joint 10, a limiting part 7 is arranged between the vertical plate 6 and the left pressing plate 21 and between the vertical plate 6 and the right pressing plate 22, and the limiting part 7 is used for limiting the displacement of the ballast blocking plate 5. The vertical plate 6 and the limiting piece 7 are located above the stainless steel plate 4.
In this embodiment, the limiting member 7 is a rubber ring in a compressed state, and a plurality of rubber rings are arranged at intervals between the vertical plate 6 and the left pressing plate 21, and between the vertical plate 6 and the right pressing plate 22.
Because the rubber ring is in a compressed state, the rubber ring is clamped between the vertical plate 6 and the left pressing plate 21 and between the vertical plate 6 and the right pressing plate 22, and the position of the rubber ring is kept by means of friction force between the rubber ring and the left pressing plate 21 and between the rubber ring and the right pressing plate 22, so that the ballast blocking plate 5 is limited and prevented from jumping up and down when being vibrated.
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 railroad bridge telescoping device which characterized in that:
including left bottom plate (11) and right bottom plate (12), left side bottom plate (11) with right bottom plate (12) are installed respectively on the roof beam body (8) of expansion joint (10) both sides, the top of left side bottom plate (11) is equipped with left clamp plate (21), the top of right side bottom plate (12) is equipped with right clamp plate (22), be equipped with the corrosion resistant plate (4) of deformation in expansion joint (10), the one end of corrosion resistant plate (4) is fixed in left side bottom plate (11) with between left side clamp plate (21), the other end is fixed in right side bottom plate (12) with between right clamp plate (22).
2. The railroad bridge expansion device of claim 1, wherein:
stainless steel board (4) are including fold section (41), fold section (41) are located in expansion joint (10), a section ripple section (42) is connected respectively at the both ends of fold section (41), two sections ripple section (42) are fixed in respectively left side bottom plate (11) with between left side clamp plate (21), right side bottom plate (12) with between right side clamp plate (22).
3. The railroad bridge expansion device of claim 2, wherein:
and two sides of the corrugated section (41) are connected with a drain pipe.
4. The railroad bridge expansion device of claim 1, wherein:
and a ballast blocking plate (5) is arranged above the expansion joint (10).
5. The railroad bridge expansion device of claim 4, wherein:
the lower portion of the ballast blocking plate (5) is connected with a vertical plate (6), the vertical plate (6) is located in the expansion joint (10), a limiting part (7) is arranged between the vertical plate (6) and the left pressing plate (21) and between the vertical plate (6) and the right pressing plate (22), and the limiting part (7) is used for limiting displacement of the ballast blocking plate (5).
6. The railroad bridge expansion device of claim 5, wherein:
the limiting piece (7) is a rubber ring in a compression state.
7. The railroad bridge expansion device of claim 6, wherein:
a plurality of rubber rings are arranged between the vertical plate (6) and the left pressure plate (21) and between the vertical plate (6) and the right pressure plate (22) at intervals.
8. The railroad bridge expansion device of claim 6, wherein:
the vertical plate (6) and the rubber ring are positioned above the stainless steel plate (4).
9. The railroad bridge expansion device of any one of claims 1 to 8, wherein:
the left bottom plate (11) and the right bottom plate (12) are anchored on the beam body (8) through an anchor (9).
10. The railroad bridge expansion device of claim 9, wherein:
the left base plate (11) and the left pressing plate (21) and the right base plate (12) and the right pressing plate (22) are fixedly connected through bolts (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121127243.3U CN215405569U (en) | 2021-05-25 | 2021-05-25 | Railway bridge expansion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121127243.3U CN215405569U (en) | 2021-05-25 | 2021-05-25 | Railway bridge expansion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215405569U true CN215405569U (en) | 2022-01-04 |
Family
ID=79676851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121127243.3U Active CN215405569U (en) | 2021-05-25 | 2021-05-25 | Railway bridge expansion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215405569U (en) |
-
2021
- 2021-05-25 CN CN202121127243.3U patent/CN215405569U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240115 Address after: 611400 No. 799, hope road, Wujin street, Xinjin District, Chengdu, Sichuan (Industrial Park) Patentee after: Chengdu Xinzhu Transportation Technology Co.,Ltd. Address before: 611430 Xinjin Industrial Park, Xinjin County, Chengdu City, Sichuan Province Patentee before: CHENGDU XINZHU ROAD & BRIDGE MACHINERY Co.,Ltd. |