CN207244444U - A kind of bridge expanssion joint waterproof sealing structure and its expansion gap device - Google Patents
A kind of bridge expanssion joint waterproof sealing structure and its expansion gap device Download PDFInfo
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- CN207244444U CN207244444U CN201721285285.3U CN201721285285U CN207244444U CN 207244444 U CN207244444 U CN 207244444U CN 201721285285 U CN201721285285 U CN 201721285285U CN 207244444 U CN207244444 U CN 207244444U
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Abstract
The utility model belongs to expansion gap device technical field, is concretely related to a kind of bridge expanssion joint waterproof sealing structure and its expansion gap device.Its main technical schemes：Including the profile shapes strip being separately positioned in the beam body of expansion joint both sides and the water proof rubber band being sealingly fastened between profile shapes strip, the relative inner of the profile shapes strip sets G type card slots respectively, the both sides of the water proof rubber band are equipped with the circular arc jut to fit with the lower concave arc of the G types card slot, and the locking adhesive tape for protrusion described in sealed extruded is set between the upper surface of the protrusion and the upper concave arc of the G types card slot.The bridge expanssion joint waterproof sealing structure has the characteristics that simple in structure, sealing effect is good and is easily installed replacement.
Description
Technical field
The utility model belongs to expansion gap device technical field, is concretely related to a kind of bridge expanssion joint waterproof sealing knot
Structure and its expansion gap device.
Background technology
Bridge expanssion joint is arranged between the beam body of both ends, between beam-ends and abutment or bridge articulated position, can be flat
Row, the both direction perpendicular to bridge axes are freely stretched, and meet the requirement of bridge floor deformation, and ensure that pontic is solid and reliable,
Vehicle by when can smooth out, without kick, noiseless, while can also prevent rainwater and rubbish soil from penetrating into expansion joint, peace
Dress, check, maintenance, eliminate dirt will simple and convenient.
Mostly special-shaped style steel bridge expansion device usually used on bridge expanssion joint at present, including the abnormal shape being arranged in pairs
Steel, deformed steel side or is provided with groove above, rubber weather strip is provided between deformed steel, rubber weather strip both ends are caught in deformed steel
Groove in formed waterproof sealing structure.But two end boss of rubber weather strip of this waterproof sealing structure is than deformed steel cavity
Greatly, installation is very difficult, time-consuming and laborious, it is difficult to be installed in place, and is also easy to cause the damage of sealing strip in installation process；
At the same time after installation is in place, rubber weather strip can not be removed from deformed steel, when sealing strip is damaged or reaches service life
After be not easy to replace, it is necessary to turn over railway roadbed clearly, therefore replace the construction operation time and grow, seriously affected the use of bridge.
Utility model content
The purpose of this utility model be just to provide it is a kind of it is simple in structure, sealing effect is good and is easily installed the bridge of replacement stretches
Contracting seam waterproof sealing structure.
To achieve the above object, technical solution is used by the utility model：
A kind of bridge expanssion joint waterproof sealing structure, including the profile shapes strip being separately positioned in the beam body of expansion joint both sides
And the water proof rubber band being sealingly fastened between profile shapes strip, the relative inner of the profile shapes strip set G type cards respectively
Groove, the both sides of the water proof rubber band are equipped with the circular arc jut to fit with the lower concave arc of the G types card slot, the protrusion
Upper surface and the G types card slot upper concave arc between set for protrusion described in sealed extruded locking adhesive tape.
The additional technical feature for forming a kind of above-mentioned bridge expanssion joint waterproof sealing structure further includes：
--- the upper surface of the protrusion is horizontal, and the cross section of the locking adhesive tape is inverted trapezoidal or triangle；
--- the cross section of the water proof rubber band is the zigzag that can be elongated and compress；
--- the profile shapes strip is made of aluminium alloy, and the water proof rubber band and locking adhesive tape are by ethylene-propylene-diene monomer
Glue, natural rubber or neoprene are made.
A kind of bridge expanssion joint waterproof sealing structure provided by the utility model compared with prior art, has following excellent
Point：First, since two profile shapes strip relative inners of the waterproof sealing structure set G type card slots, water proof rubber band respectively
Both sides be equipped with the circular arc jut to fit with the lower concave arcs of G type card slots, therefore the circular arc jut of water proof rubber band is held very much
It easily can just install in the card slot of profile shapes in place, be set between the upper surface of protrusion and the upper concave arc of G type card slots for close
The locking adhesive tape of envelope extruding protrusion, forms by combination anchor of the water proof rubber with two sides bottom salient portions and locking adhesive tape
Mode, has the characteristics of simple in structure, good seal performance；Second, the protrusion upper surface of the waterproof sealing structure is horizontal, just
In installing protrusion in G type card slots, laying of the top there are redundancy easy to locking adhesive tape, locks the cross section of adhesive tape as
Trapezoidal or triangle, operating space has been reserved for installation and removal, and solving can not be from abnormal shape after water proof rubber band is installed in place
The problem of being removed on steel；Third, since the cross section of water proof rubber band is the zigzag that can be elongated and compress, can adapt to stretch
Contract the expansion and contraction stitched, and can carry certain load, avoid flowing water, body refuse from damaging water proof rubber band by pressure, ensure that anti-watertight
Seal effect.
The utility model additionally provides a kind of novel bridge expansion joint for including above-mentioned bridge expanssion joint waterproof sealing structure
Device.Its used technical solution is：
A kind of novel bridge expansion gap device, includes above-mentioned bridge expanssion joint waterproof sealing structure, it is characterised in that：Bag
The pre-buried substrate being separately positioned in the beam body of expansion joint both sides is included, Steel bar rack is set in the pre-buried substrate, with the abnormal shape
The anchor bar of connection is welded and fixed with the Steel bar rack on the outside of material strip, vertical in the Steel bar rack of expansion joint side
Some positioning pipes of spread configuration, expansion joint top are equipped with the gear tiny fragments of stone, coal, etc. cover board of covering waterproof sealing structure, the gear tiny fragments of stone, coal, etc. cover board
A side welding be located by connecting plate, the outside of the plate that is located by connecting sets some positioning bending claws, the positioning bending claws insertion
In the positioning pipe.
The additional technical feature for forming a kind of above-mentioned novel bridge expansion gap device further includes：
--- the pre-buried substrate includes being arranged on the strip embedded board of beam body end, and the embedded board lower part has anchoring
Curved nail；
--- the Steel bar rack includes some vertical spacer bars along expansion joint arranged, and the spacer bar is extremely
It is 2 rows less, the rows of spacer bar is fixed by crossing reinforcement welding, with the anchoring being connected on the outside of the profile shapes strip
Reinforcing bar be placed in it is described cross reinforcing bar top, the anchor bar is respectively with the spacer bar and crossing reinforcement welding and fixing；
--- the outside of the profile shapes strip sets dovetail groove, and rotatable round platform is fixedly installed in the dovetail groove
Body contiguous block, the round estrade contiguous block outside have the threaded hole coordinated with the anchor bar end thread and are fixed on circle
Attaching nut on the outside of stage body contiguous block, the anchor bar are tightened with the round estrade contiguous block by attaching nut；
--- Steel bar rack, anchor bar and positioning pipe in the pre-buried substrate pass through casting concrete and beam
Body, which cures, to be structure as a whole.
A kind of novel bridge expansion gap device provided by the utility model compared with prior art, has the following advantages：
First, the expansion gap device includes the pre-buried substrate being separately positioned in the beam body of expansion joint both sides and the reinforcement bar support being arranged on
Frame, is welded and fixed with the anchor bar being connected on the outside of profile shapes strip with Steel bar rack, and expansion joint top, which is equipped with, covers anti-watertight
The gear tiny fragments of stone, coal, etc. cover board of seal structure, has the characteristics that structure design is compact；Second, arranged vertically in the Steel bar rack of expansion joint side
Row set some positioning pipes, and a side of gear tiny fragments of stone, coal, etc. cover board welds the plate that is located by connecting, its outside sets some insertion setting circles
Positioning bending claws in pipe, for gear tiny fragments of stone, coal, etc. cover board to be fixed on to the beam body of expansion joint side, combination assembled mounting means, makes to stretch
Contracting seam apparatus structure is more firm, and maintenance is conveniently replaceable after long-time service；Third, since the outside of profile shapes strip sets dovetail
Groove, it is internally provided with rotatable round estrade contiguous block, and the outside of the contiguous block has to be coordinated with anchor bar end thread
Threaded hole and the attaching nut that is fixed on the outside of contiguous block, anchor bar be tightened with contiguous block by attaching nut, guarantor
Demonstrate,proved bridge expanssion joint can it is parallel, freely stretch perpendicular to the both directions of bridge axes, meet bridge floor deformation will
Ask, and ensure that pontic is solid and reliable.
Brief description of the drawings
Fig. 1 is a kind of schematic cross-section of bridge expanssion joint waterproof sealing structure of the utility model（It is knot in dashed circle
Structure exploded view）；
Fig. 2 is the structural decomposition diagram of the profile shapes of the bridge expanssion joint waterproof sealing structure；
Fig. 3 is a kind of overall structure diagram of the novel bridge expansion gap device comprising the waterproof sealing structure.
Embodiment
Below in conjunction with the accompanying drawings to a kind of bridge expanssion joint waterproof sealing structure provided by the utility model and operation principle
It is described in further detail.
As shown in Figure 1, it is a kind of schematic diagram of bridge expanssion joint waterproof sealing structure provided by the utility model.Form
The bridge expanssion joint waterproof sealing structure includes the profile shapes strip 1 being separately positioned in the beam body A of expansion joint both sides and sealing is solid
Due to the water proof rubber band 2 between profile shapes strip 1, the relative inner of profile shapes strip 1 sets G types card slot 3, waterproof rubber respectively
The both sides of adhesive tape 2 are equipped with the circular arc jut 21 to fit with the lower concave arc 31 of G types card slot 3, the upper surface 22 of protrusion 21 and G
Locking adhesive tape for sealed extruded protrusion 21 is set between the upper concave arc of type card slot 3.
Its operation principle is：Paired profile shapes strip 1 is first separately positioned on to the both sides of bridge expanssion joint, profile shapes
Relative inner has the G types card slot 3 of fixed water proof rubber band 2, since the two sides of water proof rubber band 2 are provided with and G types card slot 3
The circular arc jut 21 that lower concave arc 31 fits closely, installation positioning is quick, top and the concave arc 32 on G types card slot 3 of protrusion 21
Between set locking adhesive tape 4, the circular arc jut 21 of water proof rubber band 2 is sealed into compression.
In a kind of above-mentioned bridge expanssion joint waterproof sealing structure is formed,
--- in order to make water proof rubber band 2 be rapidly secured in the G types card slot 3 of profile shapes, the upper table of above-mentioned protrusion 21
Face 22 is horizontal, therefore circular arc jut 21 can easily be inserted into 31 part of lower concave arc of G types card slot 3, the water of protrusion 21
There is enough redundant spaces, easy to which above-mentioned locking adhesive tape 4 will be dashed forward between the upper concave arc 32 of flat upper surface 22 and G types card slot 3
To play portion 21 and compress sealing, the cross section of locking adhesive tape 4 is inverted trapezoidal or triangle, is easily installed laying, and in replacement operation
When facilitate instrument to be inserted into, improve the efficiency of dismounting；
--- when bridge expanssion joint is moving on parallel or vertical bridge axes direction, in order to ensure water proof rubber band 2
With enough strokes, the cross section of above-mentioned water proof rubber band 2 is the zigzag that can be elongated and compress, and enhances anti-watertight
Seal effect；
--- above-mentioned profile shapes strip 1 is made of aluminium alloy, and satisfactory mechanical property, light easy processing, corrosion stability are high, improves
The structural strength of waterproof sealing structure, water proof rubber band 2 and locking adhesive tape 4 are by ethylene propylene diene rubber, natural rubber or neoprene
Rubber is made, and ageing-resistant anticorrosive, elastic good, stretch capability is strong, suitable for expansion joint open and close movement repeatedly；
It is former to a kind of structure of novel bridge expansion gap device provided by the utility model and work below in conjunction with the accompanying drawings
Reason is described in further detail.
As shown in Figure 2,3, it is a kind of structure diagram of novel bridge expansion gap device provided by the utility model.Structure
Structure into the novel bridge expansion gap device includes the pre-buried substrate 5 being separately positioned on the beam body A of expansion joint both sides, pre-buried base
Steel bar rack 6 is set on bottom 5, and the anchor bar 7 being connected with the outside of profile shapes strip 1 is welded and fixed with Steel bar rack 6, positioned at stretching
It is vertically arranged in the Steel bar rack 6 of contracting seam side and some positioning pipes 8 is set, expansion joint top, which is equipped with, covers above-mentioned anti-watertight
The gear tiny fragments of stone, coal, etc. cover board 9 of seal structure C, a side of gear tiny fragments of stone, coal, etc. cover board 9 welds the plate 10 that is located by connecting, if the outside for the plate 10 that is located by connecting is set
Dry positioning bending claws 101, positioning bending claws 101 are inserted into the positioning pipe 8.
Its operation principle is：The pre-buried substrate 5 of beam body A end sets in expansion joint both sides, on it welded reinforcement stent
6, profile shapes strip 1 is placed in parallel in pre-buried substrate 5, the anchor bar 7 in the outside of profile shapes strip 1 is welded with Steel bar rack 6
Connect, anti-watertight is formed in the G types card slot 3 for the relative inner that water proof rubber band 2 and locking adhesive tape 4 are arranged on profile shapes strip 1
Seal structure C, is then vertically arranged in the Steel bar rack 6 positioned at expansion joint side and sets some positioning pipes 8, at expansion joint
Top sets the gear tiny fragments of stone, coal, etc. cover board 9 of covering waterproof sealing structure, and the welding of its a side is located by connecting plate 10, the plate 10 that is located by connecting it is outer
Side sets some positioning bending claws 101, and positioning bending claws 101 are inserted into positioning pipe 8.
--- in order to improve the structural strength of pre-buried substrate 5, above-mentioned pre-buried substrate 5 includes the length for being arranged on beam body A ends
Bar embedded board 51, its underpart, which has, anchors curved nail 52, makes bridge expansion joint installation more firm；
--- above-mentioned Steel bar rack 6 includes some vertical spacer bars 61 along expansion joint arranged, its quantity is at least
For 2 rows, rows of spacer bar 61 is welded and fixed by crossing reinforcing bar 62, the anchor bar 7 being connected with the outside of profile shapes strip 1
It is placed in and crosses 62 top of reinforcing bar, anchor bar 7 with spacer bar 61 and crossing reinforcing bar 62 and being welded and fixed, has ensured reinforcement bar support respectively
Frame 6 supports stress on each direction, adapts to load shock, positions profile shapes strip 1 more firm, which makes load-bearing
Position and Bit andits control separate, when the two stress does not interfere with each other, and the division of labor is clear and definite, have so not only ensured safety during stress, but also can reach
Displacement is uniform, and function keeps good after making expansion gap device long-time service, and the service life is extended, and reduces later maintenance expense
With；
--- in order to ensure that expansion gap device can be deformed being parallel and perpendicular to bridge axes direction, increase is flexible
The amount of elastic deformation of device, the outside of above-mentioned profile shapes strip 1 set dovetail groove 11, are fixedly installed in dovetail groove 11 rotatable
Round estrade contiguous block 12, the outside of round estrade contiguous block 12 have the threaded hole 13 that coordinates with 7 end thread 71 of anchor bar and
The attaching nut 14 in the outside of round estrade contiguous block 12 is fixed on, anchor bar 7 passes through attaching nut 14 with round estrade contiguous block 12
Be tightened, avoid beam-ends rotate or deflection deformation and producing panting action damages internal expanded joint structure, also reduce
Noise；
--- in order to prevent bridge expanssion joint under the effect of inertia that the shearing force and vehicle of load travel by loosening
Steel bar rack 6 and anchor bar 7 depart from beam body A, Steel bar rack 6, anchor bar 7 in above-mentioned pre-buried substrate 5 and fixed
Circle of position pipe 8 is cured by casting concrete B and beam body A to be structure as a whole, you can realizes reliable anchoring, has low cost, resistance to
With, maintenance and replacement it is few the characteristics of.
Claims (9)
1. a kind of bridge expanssion joint waterproof sealing structure, including the profile shapes strip being separately positioned in the beam body of expansion joint both sides and
The water proof rubber band being sealingly fastened between profile shapes strip, it is characterised in that：The relative inner difference of the profile shapes strip
G type card slots are set, the both sides of the water proof rubber band are equipped with the circular arc jut to fit with the lower concave arc of the G types card slot,
Locking glue for protrusion described in sealed extruded is set between the upper concave arc of the upper surface of the protrusion and the G types card slot
Bar.
A kind of 2. bridge expanssion joint waterproof sealing structure as claimed in claim 1, it is characterised in that：The upper table of the protrusion
Face is horizontal, and the cross section of the locking adhesive tape is inverted trapezoidal or triangle.
A kind of 3. bridge expanssion joint waterproof sealing structure as claimed in claim 1, it is characterised in that：The water proof rubber band
Cross section is the zigzag that can be elongated and compress.
A kind of 4. bridge expanssion joint waterproof sealing structure as claimed in claim 1, it is characterised in that：The profile shapes strip by
Aluminium alloy is made, and the water proof rubber band and locking adhesive tape are made of ethylene propylene diene rubber, natural rubber or neoprene.
5. a kind of novel bridge expansion gap device, includes bridge expanssion joint waterproof sealing structure as claimed in claim 1, its feature
It is：Including the pre-buried substrate being separately positioned in the beam body of expansion joint both sides, Steel bar rack is set in the pre-buried substrate, with institute
The anchor bar for stating connection on the outside of profile shapes strip is welded and fixed with the Steel bar rack, the Steel bar rack positioned at expansion joint side
Inside it is vertically arranged and some positioning pipes is set, expansion joint top is equipped with the gear tiny fragments of stone, coal, etc. cover board of covering waterproof sealing structure, the gear
A side of tiny fragments of stone, coal, etc. cover board welds the plate that is located by connecting, and the outside of the plate that is located by connecting sets some positioning bending claws, and the positioning is curved
In the pawl insertion positioning pipe.
A kind of 6. novel bridge expansion gap device as claimed in claim 5, it is characterised in that：The pre-buried substrate includes setting
Strip embedded board in beam body end, the embedded board lower part, which has, anchors curved nail.
A kind of 7. novel bridge expansion gap device as claimed in claim 5, it is characterised in that：The Steel bar rack includes edge and stretches
Some vertical spacer bars of contracting seam arranged, the spacer bar are at least 2 rows, and the rows of spacer bar passes through horizontal stroke
Reinforcement welding is worn to fix, be placed in the anchor bar that be connected on the outside of the profile shapes strip described in cross reinforcing bar top, the anchor
Gu reinforcing bar is respectively with the spacer bar and crossing reinforcement welding and fixing.
A kind of 8. novel bridge expansion gap device as claimed in claim 5, it is characterised in that：The outside of the profile shapes strip
Dovetail groove is set, rotatable round estrade contiguous block is provided with the dovetail groove, have on the outside of the round estrade contiguous block with
The threaded hole and the attaching nut being fixed on the outside of round estrade contiguous block that the anchor bar end thread coordinates, the anchoring steel
Muscle is tightened with the round estrade contiguous block by attaching nut.
A kind of 9. novel bridge expansion gap device as claimed in claim 5, it is characterised in that：In the pre-buried substrate
Steel bar rack, anchor bar and positioning pipe are cured by casting concrete and beam body to be structure as a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721285285.3U CN207244444U (en) | 2017-10-06 | 2017-10-06 | A kind of bridge expanssion joint waterproof sealing structure and its expansion gap device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721285285.3U CN207244444U (en) | 2017-10-06 | 2017-10-06 | A kind of bridge expanssion joint waterproof sealing structure and its expansion gap device |
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|---|---|
| CN207244444U true CN207244444U (en) | 2018-04-17 |
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ID=61889744
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721285285.3U Active CN207244444U (en) | 2017-10-06 | 2017-10-06 | A kind of bridge expanssion joint waterproof sealing structure and its expansion gap device |
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| CN (1) | CN207244444U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108797331A (en) * | 2018-08-02 | 2018-11-13 | 尚德建设集团有限公司 | A kind of water-tight device suitable for Existing Railway Line bridge expanssion joint |
| CN111827105A (en) * | 2020-07-29 | 2020-10-27 | 中国铁路设计集团有限公司 | Combined type bridge expansion joint device |
| CN113073752A (en) * | 2021-04-23 | 2021-07-06 | 东北大学 | Civil engineering expansion joint waterproof construction |
-
2017
- 2017-10-06 CN CN201721285285.3U patent/CN207244444U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108797331A (en) * | 2018-08-02 | 2018-11-13 | 尚德建设集团有限公司 | A kind of water-tight device suitable for Existing Railway Line bridge expanssion joint |
| CN111827105A (en) * | 2020-07-29 | 2020-10-27 | 中国铁路设计集团有限公司 | Combined type bridge expansion joint device |
| CN113073752A (en) * | 2021-04-23 | 2021-07-06 | 东北大学 | Civil engineering expansion joint waterproof construction |
| CN113073752B (en) * | 2021-04-23 | 2021-11-16 | 东北大学 | Civil engineering expansion joint waterproof construction |
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| GR01 | Patent grant | ||
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Address after: 053000 Hengshui city of Hebei Province North Taocheng District industrial base rubber road No. 1 Patentee after: Zhongyu Tiexin Transportation Technology Co.,Ltd. Address before: 053000 Hengshui city of Hebei Province North Taocheng District industrial base rubber road No. 1 Patentee before: HENGSHUI ZHONGTIEJIAN ENGNIEERING RUBBER Co.,Ltd. |