CN209722716U - A kind of big stroke list seam telescopic device of railroad bridge - Google Patents
A kind of big stroke list seam telescopic device of railroad bridge Download PDFInfo
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- CN209722716U CN209722716U CN201920200761.XU CN201920200761U CN209722716U CN 209722716 U CN209722716 U CN 209722716U CN 201920200761 U CN201920200761 U CN 201920200761U CN 209722716 U CN209722716 U CN 209722716U
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- card slot
- water proof
- proof rubber
- rubber band
- dual
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Abstract
The utility model discloses a kind of big stroke lists of railroad bridge to stitch telescopic device, including anchoring assembly, Dual-chamber profile, water proof rubber band, support component, link assembly, the anchoring assembly, water proof rubber band and link assembly are mounted on Dual-chamber profile, and the support component is fixed in beam-ends concrete；The Dual-chamber profile is fixed in beam-ends concrete；The anchoring assembly includes anchor bar, trapezoidal nut, locking nut and anchorage screw；The link assembly includes fixed plate, connecting rod, connection bolt, stop nut, and four connecting rods symmetrically connect diamondwise composition, and the fixed plate is fixed on beam-ends Dual-chamber profile by anchor bar, locking nut, trapezoidal nut.The utility model discloses a kind of big stroke list seam telescopic device of railroad bridge, avoids the accumulation of dust and rainwater between beam seam and water proof rubber band is caused to drop, cause the premature failure of water proof rubber band, further improve the service life at beam-ends expansion joint.
Description
Technical field
The utility model belongs to bridge accessories technical field, and in particular, to a kind of big stroke list seam of railroad bridge is stretched
Compression apparatus.
Background technique
The general G- Design stroke of China railways bridge expanssion joint is 30-200, is the stroke at single expansion joint.When stretching
When contracting amount is greater than 200mm, special designing is needed, to adapt to beam seam value and stroke requirement.When beam seam value is greater than 500mm or stretches
When contracting amount is greater than 500mm, the laying of railway sleeper can not be carried out, Large Displacement Expansion Joints is needed to be supported track, tied
Structure is complex.Medium stroke list within the scope of stroke 200-500mm stitches telescopic device, special without carrying out to track
Support structure designs, it is envisaged that waterproof, dust stratification and current safety between beam seam.It adopts at traditional medium stroke expansion joint
It is installed with wide water proof rubber band, after long-time use, water proof rubber band ponding dust stratification is serious, generates falling phenomenon, causes
More ponding and dust stratification, be easy to cause the destruction of water proof rubber band.Porous shape is set sometimes through water proof rubber band section, is increased
Add its non-deformability, be often also difficult to play the role of anti-tenesmus, and cause production difficult, cost is higher.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of big flexible dress of stroke list seam of railroad bridge
It sets.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of big stroke list seam telescopic device of railroad bridge, including anchoring assembly, Dual-chamber profile, water proof rubber band, branch
Support component, link assembly, the anchoring assembly, water proof rubber band and link assembly are mounted on Dual-chamber profile, the support
Component is fixed in beam-ends concrete；
The Dual-chamber profile is installed in beam-ends concrete, and the Dual-chamber profile is by trapezoidal nut mounting groove and double cavity structure
Composition, double cavity structure are divided into large cavity and small cavity, and large cavity is used to install the engaging lug of water proof rubber band, and small cavity is for solid
Surely the engaging lug of water proof rubber band is sealed；
The anchoring assembly includes anchor bar, trapezoidal nut, locking nut and anchorage screw, the anchor bar installation
In in beam-ends concrete；
The support component includes support case, connection nose, extensible canopy, limit plate, shelves item, slide plate, card slot, card slot ear, card
Slot bolt, stainless steel wire, the support case is installed in beam-ends concrete and support case is arranged perpendicular to Dual-chamber profile, the cunning
Plate is limited in support case using shelves item, and the extensible canopy and slide plate slides cooperate, and passes through card with card slot in the middle part of the extensible canopy
Slot ear is fixed using card slot bolt, after position folds among the water proof rubber band, is sandwiched stainless steel wire, is filled in the card slot of card slot
In mouthful；
The link assembly includes fixed plate, connecting rod, connection bolt, stop nut, and four connecting rods symmetrically connect into
Diamond shape is constituted, and the fixed plate is fixed on beam-ends Dual-chamber profile by anchor bar, locking nut, trapezoidal nut, the company
Bar both ends open up bolt hole, and one end is connected by connection bolt, stop nut with fixed plate, and the other end passes through connection bolt, limit
Position nut is connected with the slot of card slot bottom.
Further, the Dual-chamber profile is located at the surface of support component and perpendicular to bridge to setting.
Further, the extensible canopy both ends are fixed with limit plate.
Further, the card slot direction across bridge integral arrangement, with expansion joint with long, the card slot opening upwards, open-mouth ruler
Very little a is greater than the thickness b of 2 times of water proof rubber bands, less than or equal to the steel wire diameter of 2*b plus stainless steel wire, the water proof rubber band folder
Stainless steel wire is caught in after card slot, and not easily to fall off to stretching along bridge, the water proof rubber is with middle position with the movement of card slot
And move, support position among water proof rubber band.
The utility model has the beneficial effects that
After position folds among water proof rubber band in the utility model, stainless steel wire is sandwiched, is filled in the card slot mouth of card slot,
Card slot mouth has certain elastic deformability, and card slot direction across bridge integral arrangement, with expansion joint with length, card slot opening upwards are opened
Mouth size a is greater than the thickness b of 2 times of water proof rubber bands, less than or equal to the steel wire diameter of 2*b plus stainless steel wire, water proof rubber band folder
Stainless steel wire is caught in after card slot, and not easily to fall off to stretching along bridge, water proof rubber is moved with middle position with the movement of card slot
It is dynamic, position among water proof rubber band is support, the tenesmus deformation of its dust stratification ponding is prevented；
When beam stitches telescopic variation, link assembly equidistantly changes the utility model in card slot two sides, ensure that card slot always
On beam seam center line, the middle position of water proof rubber band is support, it, can be using in the control of 3 hole connecting rods when beam seam is excessive
Between two card slots, each card slot use independent support component, it is ensured that the supporting role to water proof rubber band；
The utility model discloses a kind of big stroke list seam telescopic device of railroad bridge, avoids dust and rainwater and stitches in beam
Between accumulation cause water proof rubber band drop, cause the premature failure of water proof rubber band, further improve beam-ends expansion joint
Service life.
Detailed description of the invention
The utility model will be further described below with reference to the accompanying drawings.
Fig. 1 is a kind of structural schematic diagram of the big stroke list seam telescopic device of railroad bridge of the utility model；
Fig. 2 is the B view of Fig. 1；
Fig. 3 is the A-A view of Fig. 2；
Fig. 4 is the I partial enlargement diagram of Fig. 3；
Diagram: 1, support component, 11, support case, 12, extensible canopy, 13, slide plate, 16, limit plate, 14, shelves item, 15, connection
Nose, 2, Dual-chamber profile, 21, water proof rubber band, 3, anchoring assembly, 30, anchor bar, 31, locking nut, 32, trapezoidal nut, 4,
Link assembly, 41, fixed plate, 42, connecting rod, 43, connection bolt, 44, stop nut, 5, card slot, 51, card slot ear, 52, card slot spiral shell
Bolt, 6, stainless steel wire.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
All other embodiment obtained, fall within the protection scope of the utility model.
It please refers to shown in Fig. 1-4, a kind of big stroke list seam telescopic device of railroad bridge, including anchoring assembly 3, dual-chamber type
Material 2, water proof rubber band 21, support component 1, link assembly 4, anchoring assembly 3, water proof rubber band 21 and link assembly 4 are respectively mounted
In on Dual-chamber profile 2, support component 1 is fixed in beam-ends concrete；
Dual-chamber profile 2 is installed in beam-ends concrete, specifically, be located at support component 1 surface and perpendicular to bridge to
Setting, Dual-chamber profile 2 are made of trapezoidal nut mounting groove and double cavity structure, and double cavity structure is divided into large cavity and small cavity, large-scale
Chamber is used to install the engaging lug of water proof rubber band 21, and small cavity is used for the engaging lug of fixing seal water proof rubber band 21；
Anchoring assembly 3 includes anchor bar 30, trapezoidal nut 32, locking nut 31 and anchorage screw, and anchor bar 30 is pacified
Loaded in beam-ends concrete；
Support component 1 include support case 11, connection nose 15, extensible canopy 12, limit plate 16, shelves item 14, slide plate 13, card slot 5,
Card slot ear 51, card slot bolt 52, stainless steel wire 6, support case 11 is installed in beam-ends concrete and support case 11 is perpendicular to two-chamber
Profile 2 is arranged, and slide plate 13 is limited in support case 11 using shelves item 14, and extensible canopy 12 is slidably matched with slide plate 13, extensible canopy 12
It is slided on slide plate 13, realizes Telescopic, 12 both ends of extensible canopy are fixed with limit plate 16, and 12 middle part of extensible canopy and card slot 5 are logical
It crosses card slot ear 51 to fix using card slot bolt 52, realizes the supporting role to card slot 5, the intermediate position of water proof rubber band 21 folds
Afterwards, stainless steel wire 6 is sandwiched, is filled in the card slot mouth of card slot 5, card slot mouth has certain elastic deformability, 5 direction across bridge of card slot
Integral arrangement, same long with expansion joint, 5 opening upwards of card slot, opening size a is greater than the thickness b of 2 times of water proof rubber bands 21, is less than
Equal to the steel wire diameter of 2*b plus stainless steel wire 6, water proof rubber band 21 presss from both sides stainless steel wire 6 and is caught in after card slot 5, along bridge Xiang Lashen
Not easily to fall off, 21 middle position of water proof rubber band is moved with the movement of card slot 5, supports 21 middle part of water proof rubber band
Position prevents the tenesmus deformation of its dust stratification ponding；
Link assembly 4 includes fixed plate 41, connecting rod 42, connection bolt 43, stop nut 44, and four connecting rods 42 symmetrically connect
Diamondwise is constituted, and fixed plate 41 is fixed on beam-ends Dual-chamber profile 2 by anchor bar 30, locking nut 31, trapezoidal nut 32,
42 both ends of connecting rod open up bolt hole, and one end is connected by connection bolt 43, stop nut 44 with fixed plate 41, and the other end passes through company
Connecting bolt 43, stop nut 44 are connected with the slot of 5 bottom of card slot, and when beam stitches telescopic variation, link assembly 4 is at 5 liang of card slot
Side equidistantly changes, and ensure that card slot 5 on beam seam center line, supports the middle position of water proof rubber band, when beam stitched always
When big, intermediate two card slots can be controlled using 3 hole connecting rods, each card slot uses independent support component, it is ensured that waterproof rubber
The supporting role of adhesive tape；
The utility model discloses a kind of big stroke list seam telescopic device of railroad bridge, avoids dust and rainwater and stitches in beam
Between accumulation cause water proof rubber band drop, cause the premature failure of water proof rubber band, further improve beam-ends expansion joint
Service life.
Above content is only to the utility model structure example and explanation, the technology people of affiliated the art
Member makes various modifications or additions to the described embodiments or is substituted in a similar manner, without departing from reality
With novel structure or beyond the scope defined by this claim, all should belong to the protection range of the utility model.
Claims (4)
1. a kind of big stroke list of railroad bridge stitches telescopic device, which is characterized in that including anchoring assembly (3), Dual-chamber profile
(2), water proof rubber band (21), support component (1), link assembly (4), the anchoring assembly (3), water proof rubber band (21) and company
Bar assembly (4) is mounted on Dual-chamber profile (2), and the support component (1) is fixed in beam-ends concrete；
The Dual-chamber profile (2) is installed in beam-ends concrete, and the Dual-chamber profile (2) is by trapezoidal nut mounting groove and two-chamber knot
Structure composition, double cavity structure are divided into large cavity and small cavity, and large cavity is used to install the engaging lug of water proof rubber band (21), small cavity
Engaging lug for fixing seal water proof rubber band (21)；
The anchoring assembly (3) includes anchor bar (30), trapezoidal nut (32), locking nut (31) and anchorage screw, described
Anchor bar (30) is installed in beam-ends concrete；
The support component (1) include support case (11), connection nose (15), extensible canopy (12), limit plate (16), shelves item (14),
Slide plate (13), card slot (5), card slot ear (51), card slot bolt (52), stainless steel wire (6), the support case (11) are installed on beam-ends
In concrete and support case (11) is arranged perpendicular to Dual-chamber profile (2), and the slide plate (13) is limited in support using shelves item (14)
In case (11), the extensible canopy (12) is slidably matched with slide plate (13), passes through card slot with card slot (5) in the middle part of the extensible canopy (12)
Ear (51) is fixed using card slot bolt (52), after the intermediate position of the water proof rubber band (21) folds, sandwiches stainless steel wire (6),
It fills in the card slot mouth of card slot (5)；
The link assembly (4) includes fixed plate (41), connecting rod (42), connection bolt (43), stop nut (44), described in four
Symmetrically connection diamondwise is constituted connecting rod (42), and the fixed plate (41) passes through anchor bar (30), locking nut (31), trapezoidal spiral shell
Female (32) are fixed on beam-ends Dual-chamber profile (2), and connecting rod (42) both ends open up bolt hole, and one end passes through connection bolt
(43), stop nut (44) is connected with fixed plate (41), and the other end passes through connection bolt (43), stop nut (44) and card slot
(5) slot of bottom is connected.
2. the big stroke list of a kind of railroad bridge according to claim 1 stitches telescopic device, which is characterized in that the two-chamber
Profile (2) is located at the surface of support component (1) and perpendicular to bridge to setting.
3. the big stroke list of a kind of railroad bridge according to claim 1 stitches telescopic device, which is characterized in that described flexible
Beam (12) both ends are fixed with limit plate (16).
4. the big stroke list of a kind of railroad bridge according to claim 1 stitches telescopic device, which is characterized in that the card slot
(5) direction across bridge integral arrangement, with expansion joint with length, card slot (5) opening upwards, opening size a is greater than 2 times of water proof rubber bands
(21) thickness b, less than or equal to the steel wire diameter that 2*b adds stainless steel wire (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920200761.XU CN209722716U (en) | 2019-02-13 | 2019-02-13 | A kind of big stroke list seam telescopic device of railroad bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920200761.XU CN209722716U (en) | 2019-02-13 | 2019-02-13 | A kind of big stroke list seam telescopic device of railroad bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209722716U true CN209722716U (en) | 2019-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920200761.XU Active CN209722716U (en) | 2019-02-13 | 2019-02-13 | A kind of big stroke list seam telescopic device of railroad bridge |
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| CN (1) | CN209722716U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109736190A (en) * | 2019-02-13 | 2019-05-10 | 安徽尚德科技有限公司 | A kind of big stroke list seam telescopic device of railroad bridge |
-
2019
- 2019-02-13 CN CN201920200761.XU patent/CN209722716U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109736190A (en) * | 2019-02-13 | 2019-05-10 | 安徽尚德科技有限公司 | A kind of big stroke list seam telescopic device of railroad bridge |
| CN109736190B (en) * | 2019-02-13 | 2024-03-15 | 安徽尚德科技有限公司 | Large-expansion single-slit expansion device for railway bridge |
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