CN205775828U - Bridge extension joint - Google Patents
Bridge extension joint Download PDFInfo
- Publication number
- CN205775828U CN205775828U CN201620736318.0U CN201620736318U CN205775828U CN 205775828 U CN205775828 U CN 205775828U CN 201620736318 U CN201620736318 U CN 201620736318U CN 205775828 U CN205775828 U CN 205775828U
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- CN
- China
- Prior art keywords
- shaped steel
- waterstop
- crossbeam
- dop
- side bar
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- Bridges Or Land Bridges (AREA)
- Road Paving Structures (AREA)
Abstract
This utility model belongs to retractor device technical field, discloses a kind of bridge extension joint.It is mainly characterized in that the shaped steel side bar including being arranged in pairs, shaped steel side bar is arranged with the displacement case of built-in crossbeam, crossbeam is provided above with elastic support, crossbeam is provided below bearing, the top waterstop with top dop and the bottom waterstop with bottom dop it is provided with between described shaped steel side bar, the inboard of shaped steel side bar is provided with the top draw-in groove matched with top dop and the bottom draw-in groove matched with bottom dop, top waterstop is U-shaped, bottom waterstop is W type, and bottom dop and bottom draw-in groove are O type.Bridge extension joint provided by the utility model, uses top waterstop and bottom waterstop to constitute two-layer waterproof construction, and stagnant water effect is splendid, it is possible to stops retractor device and leaks, thus is effectively protected the safety of bridge, extends the service life of bridge.
Description
Technical field
This utility model belongs to retractor device technical field, particularly relates to a kind of bridge extension joint.
Background technology
Bridge extension joint includes singly stitching and stitches more.Single seam bridge extension joint includes the shaped steel side bar being arranged in pairs, type
It is provided with rubber fastening band between steel side bar.Many seam bridge extension joints include the shaped steel side bar being arranged in pairs, the type being arranged in pairs
It is provided with at least one shaped steel central sill, between steel side bar between shaped steel side bar and shaped steel central sill, between shaped steel central sill and shaped steel central sill respectively
It is provided with rubber fastening band.The rubber fastening band of this bridge extension joint is all monolayer, if in use containing stone etc.
Foreign material, when vehicle passes through, rubber fastening band easily comes off or damaged, causes water resistance defect, causes rainwater infiltration, corrosion
Bridge lower cap platform and steel beam column, safety and durability to bridge bring serious damage.
Utility model content
It is good that the technical problems to be solved in the utility model is just to provide a kind of stagnant water effect, and service life, the bridge of length stretched
Device.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is: include the shaped steel side bar being arranged in pairs,
Shaped steel side bar is arranged with the displacement case of built-in crossbeam, and crossbeam is provided above with elastic support, and crossbeam is provided below pressure-bearing and props up
Seat, is provided with the top waterstop with top dop and the bottom waterstop with bottom dop between described shaped steel side bar,
The inboard of shaped steel side bar is provided with the top draw-in groove matched with top dop and the bottom draw-in groove matched with bottom dop, on
Portion's waterstop is U-shaped, and bottom waterstop is W type, and bottom dop and bottom draw-in groove are O type.
Its additional technical feature is: described crossbeam be provided above with the beam upper bracket plate that area ratio elastic support is big, bullet
It is provided with sliding friction pair, being provided below under the beam that area ratio bearing is big of crossbeam between property bearing and beam upper bracket plate
Support plate, is provided with lower slider friction pair between bearing and beam lower support plate;
It is provided with upper reinforcing plate between described beam upper bracket plate and crossbeam, between beam lower support plate and crossbeam, is provided with lower reinforcement
Plate;
At least one shaped steel central sill, the bottom of shaped steel central sill and crossbeam phase it is provided with between the described shaped steel side bar being arranged in pairs
Contact.
Bridge extension joint provided by the utility model, is provided with top waterstop and bottom sealing between shaped steel side bar
Band.Top waterstop and bottom waterstop constitute two-layer waterproof construction, when coming off or damaged occurs in top waterstop, and bottom sealing
Band still plays waterproof action.Using dual waterproof waterstop, stagnant water effect is splendid, it is possible to stops retractor device and leaks, thus has
The safety of the protection bridge of effect, extends the service life of bridge.Top waterstop uses high intensity gauze and the rubber of resistance to greasy dirt to mix
Refining forms, and enhances anti tear and the corrosion resistance of top waterstop, extends the use cycle of top waterstop, bottom sealing
Band is for W type and uses O type bottom dop, it is simple to change.
And in displacement case the beam upper bracket plate provided above and below of crossbeam and beam lower support plate, add bearing
With the lifting surface area of elastic support, make the stress of bearing and elastic support evenly, greatly extend integral telescopic dress
Put the service life on bridge.Upper reinforcing plate and lower reinforcing plate are more the increase in load bearing stength.The shaped steel side bar being arranged in pairs
Between be provided with at least one shaped steel central sill, then expansion joint is become stitching from single seam more, is applicable to multiple occasion.
Accompanying drawing explanation
Fig. 1 is the first structural representation of this utility model bridge extension joint;
Fig. 2 is the second structural representation of bridge extension joint;
Fig. 3 is the vertical structure schematic diagram of displacement case;
Fig. 4 is the transversary schematic diagram of displacement case.
Detailed description of the invention
Below in conjunction with the accompanying drawings the structure of bridge extension joint provided by the utility model is described further.
As it is shown in figure 1, this utility model bridge extension joint includes the shaped steel side bar 1,2 being arranged in pairs, shaped steel side bar 1,2
Between be provided with top waterstop 3 and bottom waterstop 4, top waterstop 3 two ends are with top dop 5, bottom waterstop 4 two ends
With bottom dop 6, the inboard of shaped steel side bar 1,2 be provided with the top draw-in groove 7 matched with top dop 5 and with bottom dop
The bottom draw-in groove 8 that 6 match, top waterstop 3 is U-shaped, and bottom waterstop 4 is W type, and bottom dop 6 and bottom draw-in groove 8 are O
Type.
As in figure 2 it is shown, be provided with a shaped steel central sill 9 between the shaped steel side bar 1,2 being arranged in pairs.
As it is shown on figure 3, be provided with a shaped steel central sill 9 between the shaped steel side bar 1,2 being arranged in pairs, shaped steel side bar 1,2 is divided into
Being equipped with the displacement case 11 of built-in horizontal 10 beams, crossbeam 10 is provided above with elastic support 12, and crossbeam 10 is provided below bearing
13, crossbeam 10 be provided above with the beam upper bracket plate 14 that area ratio elastic support 12 is big, crossbeam 10 area is provided below
The beam lower support plate 15 bigger than bearing 13, the bottom of shaped steel central sill 9 contacts with crossbeam 10.
As shown in Figure 4, built-in horizontal 10 beams of displacement case 11, crossbeam 10 is provided above with elastic support 12, sets below crossbeam 10
Be equipped with bearing 13, crossbeam 10 be provided above with the beam upper bracket plate 14 that area ratio elastic support 12 is big, crossbeam 10 times
Face is provided with the beam lower support plate 15 that area ratio bearing 13 is big, is provided with upper reinforcing plate between beam upper bracket plate 14 and crossbeam 10
16, it is provided with lower reinforcing plate 17 between beam lower support plate 15 and crossbeam 10, is provided with between elastic support 12 and beam upper bracket 14 plate
Sliding friction pair 18, is provided with lower slider friction pair 19 between bearing 13 and beam lower support plate 15.
Bridge extension joint provided by the utility model, is provided with top waterstop 3 and bottom sealing between shaped steel side bar
Band 4.Top waterstop 3 and bottom waterstop 4 constitute two-layer waterproof construction, when coming off or damaged occurs in top waterstop 3, and bottom
Waterstop 4 still plays waterproof action.Using dual waterproof waterstop, stagnant water effect is splendid, it is possible to stops retractor device and leaks, from
And it is effectively protected the safety of bridge, extend the service life of bridge.Top waterstop 3 uses high intensity gauze and resistance to greasy dirt rubber
Glue is mixing to be formed, and enhances anti tear and the corrosion resistance of top waterstop 3, extends the use cycle of top waterstop 3, under
Portion's waterstop 4 is for W type and uses O type bottom dop, it is simple to change.
And in displacement case 11 the beam upper bracket plate 14 provided above and below of crossbeam 10 and beam lower support plate 15, add
Bearing 13 and the lifting surface area of elastic support 12, make the stress of bearing 13 and elastic support 12 evenly, greatly
Extend integral telescopic device service life on bridge.It is strong that upper reinforcing plate 16 and lower reinforcing plate 17 are more the increase in load-bearing
Degree.Be provided with at least one shaped steel central sill 9 between the shaped steel side bar 1,2 being arranged in pairs, then expansion joint is become stitching from single seam more, can fit
For multiple occasion.
Bridge extension joint provided by the utility model is not limited only to said structure, all institutes on the basis of this utility model
Any amendment, equivalent and the improvement etc. made, within should be included in protection domain of the present utility model.
Claims (4)
1. bridge extension joint, including the shaped steel side bar being arranged in pairs, shaped steel side bar is arranged with the displacement case of built-in crossbeam, horizontal
Beam is provided above with elastic support, and crossbeam is provided below bearing, it is characterised in that: it is provided with between described shaped steel side bar
Top waterstop with top dop and the bottom waterstop with bottom dop, the inboard of shaped steel side bar is provided with and top
Top draw-in groove that dop matches and the bottom draw-in groove matched with bottom dop, top waterstop is U-shaped, and bottom waterstop is
W type, bottom dop and bottom draw-in groove are O type.
Bridge extension joint the most according to claim 1, it is characterised in that: described crossbeam be provided above with area ratio bullet
The beam upper bracket plate that property bearing is big, is provided with sliding friction pair, being provided below of crossbeam between elastic support and beam upper bracket plate
There is the beam lower support plate that area ratio bearing is big, between bearing and beam lower support plate, be provided with lower slider friction pair.
Bridge extension joint the most according to claim 2, it is characterised in that: arrange between described beam upper bracket plate and crossbeam
There is upper reinforcing plate, between beam lower support plate and crossbeam, be provided with lower reinforcing plate.
Bridge extension joint the most according to claim 1, it is characterised in that arrange between the shaped steel side bar being arranged in pairs described in:
Having at least one shaped steel central sill, the bottom of shaped steel central sill contacts with crossbeam.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620736318.0U CN205775828U (en) | 2016-07-14 | 2016-07-14 | Bridge extension joint |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620736318.0U CN205775828U (en) | 2016-07-14 | 2016-07-14 | Bridge extension joint |
Publications (1)
Publication Number | Publication Date |
---|---|
CN205775828U true CN205775828U (en) | 2016-12-07 |
Family
ID=58123352
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201620736318.0U Active CN205775828U (en) | 2016-07-14 | 2016-07-14 | Bridge extension joint |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN205775828U (en) |
-
2016
- 2016-07-14 CN CN201620736318.0U patent/CN205775828U/en active Active
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20230712 Address after: 253000 South east corner of Yunhe East Road and Gongye Road, north of Ertun Government, Decheng District, Dezhou, Shandong Province Patentee after: Dezhou Shengtongdao Bridge Technology Co.,Ltd. Address before: 053000 east of Zhonggao village, zhengjiaheyan Town, Taocheng District, Hengshui City, Hebei Province Patentee before: HENGSHUI YIHAI ENGINEERING RUBBER Co.,Ltd. |