CN107354868A - A kind of slagging-off multi-directional deflection comb tooth-type retractor device certainly - Google Patents
A kind of slagging-off multi-directional deflection comb tooth-type retractor device certainly Download PDFInfo
- Publication number
- CN107354868A CN107354868A CN201710764753.3A CN201710764753A CN107354868A CN 107354868 A CN107354868 A CN 107354868A CN 201710764753 A CN201710764753 A CN 201710764753A CN 107354868 A CN107354868 A CN 107354868A
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- Prior art keywords
- plate
- elastic support
- fishback
- steel plate
- installing plate
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- 229910000831 Steel Inorganic materials 0.000 claims description 60
- 239000010959 steel Substances 0.000 claims description 60
- 238000004873 anchoring Methods 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 6
- 230000003139 buffering effect Effects 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- 244000126211 Hericium coralloides Species 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 9
- 238000006073 displacement reaction Methods 0.000 abstract description 7
- 239000003818 cinder Substances 0.000 abstract description 3
- 238000013016 damping Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/06—Arrangement, construction or bridging of expansion joints
- E01D19/065—Joints having sliding plates
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
- Vibration Dampers (AREA)
Abstract
The present invention discloses a kind of from slagging-off multi-directional deflection comb tooth-type retractor device, including fixed broach plate and movable fishback；Fixed broach plate and movable fishback are separately mounted in the reserved location of beam body both sides expansion joint, and the rack both sides of the movable fishback are provided with the second ash pit, and bottom is provided with the first ash pit；Elastic support, buffer unit, elastic support installing plate, leaf spring, leaf spring installing plate, panel spring hold-down plate are set below the movable fishback；Wherein, elastic support top is connected with movable fishback, and bottom is connected with elastic support installing plate；The buffer unit is fixedly connected with movable fishback, elastic support installing plate, leaf spring installing plate respectively.The present invention available buffer impact, is reduced noise, reduces the impact to beam-ends using the installation settings of elastic support and buffer unit；It is suitable for the displacement requirement of beam body；Using the ash pit set on movable fishback, scarfing cinder function is realized.
Description
Technical field
The invention belongs to bridge structure retractor device technical field, it is related to a kind of comb-type telescoping device, is specifically one kind
From slagging-off multi-directional deflection comb tooth-type retractor device.
Background technology
Produced swollen by the change of the objective condition such as temperature, landform to adapt to the bridge panels such as highway, railway, light rail
Swollen or contraction, one of beam seam is set between each two beam body, and a kind of retractor device is set, having reached reduces noise, improves
Road speed and comfortableness, the effect for preventing debris or rainwater from falling under bridge.
Traditional fishback retractor device is mainly by small fishback and big fishback, anchor bolt, slide plate and rubber fastening band
Composition, when expansion joint of comb plate is installed, more using live loose mail spelling, the curb girder of mounting groove two is directly anchored to by anchor bolt
On body, installation accuracy is relatively low, it is difficult to ensure that fishback and fishback and the flatness of fishback and bridge floor, are particularly changed old
During expansion joint, the flatness of old bridge floor is deteriorated, and the installation of broach plate stitch is more difficult.Anchor bolt is its main bearing member,
If fishback installation is inaccurate, anchor bolt easily loosens by bigger impact loading and come off, influence driving peace
Entirely.It is that fishback is directly placed to progress leveling positioning on the concrete of ot-yet-hardened during traditional expansion joint of comb plate installation
Installation, because fishback scantling is larger, lower concrete pour it is more difficult, it is difficult to ensure that fishback lower concrete filling it is close
It is real, influence service life.
Application publication number CN 103835229A disclose the adaptive multi-directional deflection method and its dress of a kind of retractor device
Put, fishback is conjugated and is combined with elastic damping displacement by it, and elastic damping displacement device is arranged on fishback displacement device
Movable steel fishback root.The disclosure technology can not still meet needs in buffering anti-deformation effect, while the technology is not
With from slag removing function.
The content of the invention
It is an object of the invention to provide a kind of from slagging-off multi-directional deflection comb tooth-type retractor device.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of slagging-off multi-directional deflection comb tooth-type retractor device, including fixed broach plate and movable fishback certainly；Fixed broach
Plate and movable fishback are separately mounted in the reserved location of beam body both sides expansion joint, and the rack both sides of the movable fishback are provided with
Second ash pit, bottom are provided with the first ash pit；Elastic support, buffer unit, elasticity are set below the movable fishback
Bearing installing plate, leaf spring, leaf spring installing plate, panel spring hold-down plate；Wherein, elastic support top is connected with movable fishback, bottom
It is connected with elastic support installing plate；The buffer unit respectively with movable fishback, elastic support installing plate, leaf spring installing plate
It is fixedly connected.
The elastic support top is provided with upper steel plate, and bottom is provided with lower steel plate, and upper steel plate passes through the first fixing screws
It is connected with movable fishback, lower steel plate is connected with elastic support installing plate by bolt.
Buffer unit is connected between the movable fishback and elastic support installing plate；Elastic support installing plate is arranged on
On Support bracket, Support bracket is fixed in beam body side wall.
The buffer unit vertically between movable fishback and elastic support installing plate, to positioned at elasticity prop up by level
Between seat unit；The buffer unit includes：First fixing bolt, the first fixed block, buffer stopper fixation steel plate, second fix spiral shell
Bolt, fixed block, the 3rd fixing bolt, the 4th fixing bolt, buffer stopper.
The end face of the buffer stopper is provided with junction steel plate, and steel is fixed in other end by the 3rd fixing bolt and buffer stopper
Plate is connected；The junction steel plate of two buffer stoppers is relative to contact setting, and solid through connection, the 4th by the 4th fixing bolt
Determine to be also associated with the first fixed block on bolt；First fixed block is fixedly connected by the first fixing bolt with movable fishback；Its
In, a buffer stopper fixation steel plate both ends are connected with fixed block by the second fixing bolt respectively, and fixed block is installed with elastic support
Crab bolt is fixedly connected；Another buffer stopper fixation steel plate is fixedly connected with leaf spring installation crab bolt.
It is disposed with the downside of the fixed broach plate and slides steel plate, cushion pad, leveling steel plate, anchoring sleeve；Anchoring
Sleeve and leveling Interal fixation；Anchor bar is fixed with anchoring sleeve；By the second fixing screws by fixed broach plate, slide steel
Plate, cushion pad, leveling steel plate and anchoring sleeve are connected.
Described leaf spring one end is connected by leaf spring fixing bolt with leaf spring installing plate, and leaf spring installing plate is installed with elastic support
Plate is connected, and the leaf spring other end enters row constraint by panel spring hold-down plate and connecting bolt to be fixed.
Baffle plate is provided between beam body on rear side of the movable fishback, sealing is provided between baffle plate and movable fishback
Bar.
Arc chord angle is provided with the top of the fixed broach plate rack.
Waterstop is provided between the beam body expansion joint；Waterstop both sides pass through waterstop pressing plate and waterstop fixing bolt
It is fixed in waterstop fixed plate, on elastic support installing plate, waterstop fixed plate is connected at beam-ends with leveling steel plate.
Beneficial effects of the present invention：The present invention utilizes the installation settings of elastic support and buffer unit, available buffer impact, drop
Low noise, the impact to beam-ends is reduced, add the service life of retractor device；It is suitable for the displacement requirement of beam body, it is ensured that living
Dynamic fishback and fixed broach plate upper surface vehicle pass-through safety；Using the ash pit set on movable fishback by fixed broach
Debris takes sliding steel plate out of between plate rack, by gravity and vehicle traveling vibrations, debris Automatic-falling, realizes scarfing cinder function.
Brief description of the drawings
For the ease of it will be appreciated by those skilled in the art that the present invention is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of retractor device of the present invention；
Fig. 2 is Fig. 1 A-A sectional views；
Fig. 3 is Fig. 1 B-B sectional views；
Fig. 4 is to fix partial enlarged drawing in Fig. 2 at I；
Fig. 5 is buffer unit front view；
Fig. 6 is buffer unit axle side schematic diagram；
Fig. 7 is activity fishback slagging structure enlarged drawing at II in Fig. 1；
Fig. 8 is enlarged drawing at elastic support in Fig. 2；
Fig. 9 is enlarged drawing at buffer unit in Fig. 3；
Figure 10 is part-structure axle side schematic diagram of the present invention；
Figure 11 is movable fishback lower portion of the invention structure enlargement diagram；
Marked in figure：Movable fishback 1, the first ash pit 1-1, the second ash pit 1-2, fixed broach plate 2, arc chord angle 2-
1st, connecting bolt 3, panel spring hold-down plate 4, beam body 5, baffle plate 6, elastic support 7, the first fixing screws 7-1, leaf spring installing plate 8, sealing
Bar 9, buffer unit 10, the first fixing bolt 10-1, the first fixed block 10-2, buffer stopper fixation steel plate 10-3, second fix spiral shell
Bolt 10-4, fixed block 10-5, the 3rd fixing bolt 10-6, the 4th fixing bolt 10-7, buffer stopper 10-8, leaf spring fixing bolt
11st, anchoring sleeve 12, cushion pad 13, leveling steel plate 14, to slide steel plate 15, waterstop fixed plate 16, waterstop 17, waterstop solid
Determine bolt 18, waterstop pressing plate 19, leaf spring 20, elastic support installing plate 21, Support bracket 22, the second fixing screws 23, anchoring
Reinforcing bar 24.
Embodiment
Technical scheme is clearly and completely described below in conjunction with embodiment, it is clear that described reality
It is only part of the embodiment of the present invention to apply example, rather than whole embodiments.It is general based on the embodiment in the present invention, this area
All other embodiment that logical technical staff is obtained under the premise of creative work is not made, belong to what the present invention protected
Scope.
A kind of slagging-off multi-directional deflection comb tooth-type retractor device certainly, referring to Fig. 1-11, including fixed broach plate 2 and movable broach
Plate 1；Fixed broach plate 2 and movable fishback 1 are separately mounted in the both sides expansion joint reserved location of beam body 5；
The lower section of the movable fishback 1 set elastic support 7, buffer unit 10, elastic support installing plate 21, leaf spring 20,
Leaf spring installing plate 8, panel spring hold-down plate 4, referring to Fig. 2, Fig. 3；
Wherein, the top of elastic support 7 is provided with upper steel plate, and bottom is provided with lower steel plate, and upper steel plate fixes spiral shell by first
Nail 7-1 is connected with movable fishback 1, and lower steel plate is connected with elastic support installing plate 21 by bolt；Elastic support 7 itself
Horizontal shearing rigidity is smaller, movable fishback 1 can laterally, longitudinal direction, plane torsion, adapt to beam body deformation, ensure the suitable of vehicle
Profit is current；During vehicle pass-through, elastic support 7 bears car load and the impact to movable fishback, plays bumper and absorbing shock work(
Energy；Buffer unit 10 is provided between movable fishback 1 and elastic support installing plate 21；Elastic support installing plate 21 is arranged on support
On bracket 22, Support bracket 22 is fixed in the side wall of beam body 5, referring to Fig. 9；
Buffer unit 10 is vertically between movable fishback 1 and elastic support installing plate 21, and level is to positioned at elasticity
Between bearing element (two elastic supports 7 form an elastic support unit)；Referring to Fig. 5-6, Figure 10-11, buffer unit 10 wraps
Include：First fixing bolt 10-1, the first fixed block 10-2, buffer stopper fixation steel plate 10-3, the second fixing bolt 10-4, fixed block
10-5, the 3rd fixing bolt 10-6, the 4th fixing bolt 10-7, buffer stopper 10-8；
Buffer stopper 10-8 end face is provided with junction steel plate, and other end is consolidated by the 3rd fixing bolt 10-6 with buffer stopper
Determine steel plate 10-3 to be connected；Two buffer stopper 10-8 junction steel plate is relative to contact setting, and passes through the 4th fixing bolt 10-
7 are also associated with the first fixed block 10-2 in connection, the 4th fixing bolt 10-7；First fixed block 10-2 fixes by first
Bolt 10-1 is fixedly connected with movable fishback 1；
Wherein, a buffer stopper fixation steel plate both ends are connected with fixed block 10-5 by the second fixing bolt 10-4 respectively, Gu
Determine block 10-5 to be fixedly connected with the bolt of elastic support installing plate 21；Another buffer stopper fixation steel plate is consolidated with the bolt of leaf spring installing plate 8
Fixed connection；Buffer unit 10 improves fishback retractor device longitudinally shock proof ability, plays the function of longitudinal damping；
The downside of the fixed broach plate 2, which is disposed with, slides steel plate 15, cushion pad 13, leveling steel plate 14, anchoring cartridge
Cylinder 12, referring to Fig. 3, Fig. 4；Hole of vibrating is opened up on leveling steel plate 14, it is ensured that casting concrete is closely knit under fixed broach plate；Anchoring cartridge
Cylinder 12 is fixed with leveling steel plate 14, and anchor bar 24 is fixed with anchoring sleeve 12, then is combed by the second fixing screws 23 by fixed
Tooth plate 2, slide steel plate 15, cushion pad 13, leveling steel plate 14 and anchoring sleeve 12 and be connected；Leveling steel plate 14 ensure that fixation
The flatness of fishback mounting groove, secondary leveling is being realized by cushion pad 13, it is ensured that fixed broach plate 2 is with sliding steel plate
15th, steel plate 15 is slided to be brought into close contact with concrete with cushion pad 13, cushion pad 13 and leveling steel plate 14, leveling steel plate 14, by
Power is uniform, ensure that fixed broach plate installation quality, improves service life.
The one end of leaf spring 20 is connected by leaf spring fixing bolt 11 with leaf spring installing plate 8, and leaf spring installing plate 8 is pacified with elastic support
Loading board 21 is connected, and the other end of leaf spring 20 enters row constraint by panel spring hold-down plate 4 and connecting bolt 3 to be fixed, and leaf spring 20 is to activity
Fishback 1 provides downward power, movable fishback 1 and the steel plate 15 that slides of the downside of fixing end fishback 2 is tightly bonded, plate
There is certain interval between spring 20 and movable fishback 1, be suitable for each to moving displacement of movable fishback；
Baffle plate 6 is provided between the movable rear side of fishback 1 and beam body 5, sealing is provided between baffle plate 6 and movable fishback 1
Bar 9, prevent dust and rainwater from entering beam-ends substructure, cause the erosion of beam-ends；The movable rack both sides of fishback 1 are provided with second
Ash pit 1-2, bottom are provided with the first ash pit 1-1；Referring to Fig. 7, arc chord angle 2-1 is provided with the top of the rack of fixed broach plate 2,
When preventing movable 1 multi-directional deflection of fishback, ash pit and fixed broach board are dead；Movable fishback 1 back and forth stretching motion when, row
Slag chute takes debris between fixed broach plate rack out of sliding steel plate, by gravity and vehicle traveling vibrations, debris Automatic-falling, realizes
Scarfing cinder function.
Waterstop fixed plate 16 is connected at beam-ends with leveling steel plate 14, and the both sides of waterstop 17 pass through waterstop pressing plate 19
Waterstop fixed plate 16 is fixed in waterstop fixing bolt 18, on elastic support installing plate 21, is easy to the peace of waterstop
Dress is changed with maintenance in the future.
From slagging-off multi-directional deflection fishback retractor device bullet should be set under fixed broach plate 2 and movable fishback 1 respectively
Property bearing 7 and cushion pad 13, and 1 time longitudinal buffer device 10 is set in movable fishback；When vehicle by when, available buffer punching
Hit, reduce noise, reduce the impact to beam-ends, add the service life of retractor device；When beam body plane is rocked, elasticity branch
Seat 7 produces horizontal shear deformation, the occurred level torsional deflection of buffer unit 10, adapts to the displacement requirement of beam body, it is ensured that vehicle is pacified
All-pass row；When beam-ends produces vertical or horizontal torsional deflection, elastic support 7 produces vertical torsional deflection, buffering in its direction
Device 10 produces vertical shearing deformation, it is ensured that movable fishback 1 and the upper surface vehicle pass-through safety of fixed broach plate 2.
Present invention disclosed above preferred embodiment is only intended to help and illustrates the present invention.Preferred embodiment is not detailed
All details are described, it is only described embodiment also not limit the invention.Obviously, according to the content of this specification,
It can make many modifications and variations.This specification is chosen and specifically describes these embodiments, is to preferably explain the present invention
Principle and practical application so that skilled artisan can be best understood by and utilize the present invention.The present invention is only
Limited by claims and its four corner and equivalent.
Claims (10)
- It is 1. a kind of from slagging-off multi-directional deflection comb tooth-type retractor device, including fixed broach plate (2) and movable fishback (1)；It is fixed Fishback (2) and movable fishback (1) are separately mounted in the reserved location of beam body (5) both sides expansion joint, it is characterised in that：It is described The rack both sides of movable fishback (1) are provided with the second ash pit (1-2), and bottom is provided with the first ash pit (1-1)；Elastic support (7), buffer unit (10), elastic support installing plate (21), leaf spring are set below the movable fishback (1) (20), leaf spring installing plate (8), panel spring hold-down plate (4)；Wherein, the top of elastic support 7 is connected with movable fishback (1), bottom with Elastic support installing plate (21) is connected；The buffer unit (10) respectively with movable fishback (1), elastic support installing plate (21), leaf spring installing plate (8) is fixedly connected.
- It is 2. according to claim 1 a kind of from slagging-off multi-directional deflection comb tooth-type retractor device, it is characterised in that：The elasticity Bearing (7) top is provided with upper steel plate, and bottom is provided with lower steel plate, and upper steel plate passes through the first fixing screws (7-1) and movable comb Tooth plate (1) is connected, and lower steel plate is connected with elastic support installing plate (21) by bolt.
- It is 3. according to claim 2 a kind of from slagging-off multi-directional deflection comb tooth-type retractor device, it is characterised in that：The activity Buffer unit (10) is provided between fishback (1) and elastic support installing plate (21)；Elastic support installing plate (21) is arranged on branch On bracketing frame (22), Support bracket (22) is fixed in beam body (5) side wall.
- It is 4. according to claim 1 a kind of from slagging-off multi-directional deflection comb tooth-type retractor device, it is characterised in that：The buffering Device (10) is vertically between movable fishback (1) and elastic support installing plate (21), and level is to positioned at elastic support list Between member；The buffer unit (10) includes：First fixing bolt (10-1), the first fixed block (10-2), buffer stopper fix steel Plate (10-3), the second fixing bolt (10-4), fixed block (10-5), the 3rd fixing bolt (10-6), the 4th fixing bolt (10- 7), buffer stopper (10-8).
- It is 5. according to claim 4 a kind of from slagging-off multi-directional deflection comb tooth-type retractor device, it is characterised in that：The buffering The end face of block (10-8) is provided with junction steel plate, and other end passes through the 3rd fixing bolt (10-6) and buffer stopper fixation steel plate (10-3) is connected；The junction steel plate of two buffer stoppers (10-8) is relative to contact setting, and passes through the 4th fixing bolt (10- 7) it is also associated with the first fixed block (10-2) in connection, the 4th fixing bolt (10-7)；First fixed block (10-2) passes through First fixing bolt (10-1) is fixedly connected with movable fishback (1)；Wherein, a buffer stopper fixation steel plate both ends are connected with fixed block (10-5) by the second fixing bolt (10-4) respectively, Gu Determine block (10-5) to be fixedly connected with elastic support installing plate (21) bolt；Another buffer stopper fixation steel plate and leaf spring installing plate (8) Bolt is fixedly connected.
- It is 6. according to claim 1 a kind of from slagging-off multi-directional deflection comb tooth-type retractor device, it is characterised in that：The fixation It is disposed with the downside of fishback (2) and slides steel plate (15), cushion pad (13), leveling steel plate (14), anchoring sleeve (12)；Anchor Gu sleeve (12) is fixed with leveling steel plate (14)；Anchor bar (24) is fixed with anchoring sleeve (12)；Pass through the second fixing screws (23) by fixed broach plate (2), slide steel plate (15), cushion pad (13), leveling steel plate (14) and anchoring sleeve (12) connect it is solid It is fixed.
- It is 7. according to claim 1 a kind of from slagging-off multi-directional deflection comb tooth-type retractor device, it is characterised in that：The leaf spring (20) one end is connected by leaf spring fixing bolt (11) with leaf spring installing plate (8), leaf spring installing plate (8) and elastic support installing plate (21) it is connected, leaf spring (20) other end is entered row constraint and fixed by panel spring hold-down plate (4) and connecting bolt (3).
- It is 8. according to claim 1 a kind of from slagging-off multi-directional deflection comb tooth-type retractor device, it is characterised in that：The activity Baffle plate (6) is provided between beam body (5) on rear side of fishback (1), sealing strip is provided between baffle plate (6) and movable fishback (1) (9)。
- It is 9. according to claim 6 a kind of from slagging-off multi-directional deflection comb tooth-type retractor device, it is characterised in that the fixation Arc chord angle (2-1) is provided with the top of fishback (2) rack.
- It is 10. according to claim 1 a kind of from slagging-off multi-directional deflection comb tooth-type retractor device, it is characterised in that the beam Waterstop (17) is provided between body (5) expansion joint；Spiral shell is fixed in waterstop (17) both sides by waterstop pressing plate (19) and waterstop Bolt (18) is fixed in waterstop fixed plate (16), on elastic support installing plate (21), and waterstop fixed plate (16) is in beam-ends Place is connected with leveling steel plate (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710764753.3A CN107354868B (en) | 2017-08-30 | 2017-08-30 | Self-deslagging multidirectional shifting comb tooth type telescopic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710764753.3A CN107354868B (en) | 2017-08-30 | 2017-08-30 | Self-deslagging multidirectional shifting comb tooth type telescopic device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107354868A true CN107354868A (en) | 2017-11-17 |
| CN107354868B CN107354868B (en) | 2022-11-29 |
Family
ID=60290467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710764753.3A Active CN107354868B (en) | 2017-08-30 | 2017-08-30 | Self-deslagging multidirectional shifting comb tooth type telescopic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107354868B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2095222U (en) * | 1991-02-11 | 1992-02-05 | 宋永连 | Dual-layer expansion joints of bridge road surface for high way |
| US20100263312A1 (en) * | 2007-12-14 | 2010-10-21 | Paul Bradford | Expansion Joint System |
| CN202099738U (en) * | 2011-05-19 | 2012-01-04 | 成都市新筑路桥机械股份有限公司 | Large displacement multi-directional deflection comb tooth-type bridge expansion device |
| CN202744946U (en) * | 2012-09-27 | 2013-02-20 | 衡水橡胶股份有限公司 | Noise-reduction multidirectional-shift comb-tooth-type bridge expansion and contraction device |
| CN204325911U (en) * | 2014-11-25 | 2015-05-13 | 合肥国本桥梁特种构件有限公司 | A kind of interdigitated electrode structure damping displacement bridge extension joint |
| CN204491411U (en) * | 2015-05-13 | 2015-07-22 | 衡水铭健工程橡胶有限公司 | A kind of modular multi-directional deflection comb-formed retractable device |
| CN207176490U (en) * | 2017-08-30 | 2018-04-03 | 安徽尚德科技有限公司 | A kind of slagging-off multi-directional deflection comb tooth-type retractor device certainly |
-
2017
- 2017-08-30 CN CN201710764753.3A patent/CN107354868B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2095222U (en) * | 1991-02-11 | 1992-02-05 | 宋永连 | Dual-layer expansion joints of bridge road surface for high way |
| US20100263312A1 (en) * | 2007-12-14 | 2010-10-21 | Paul Bradford | Expansion Joint System |
| CN202099738U (en) * | 2011-05-19 | 2012-01-04 | 成都市新筑路桥机械股份有限公司 | Large displacement multi-directional deflection comb tooth-type bridge expansion device |
| CN202744946U (en) * | 2012-09-27 | 2013-02-20 | 衡水橡胶股份有限公司 | Noise-reduction multidirectional-shift comb-tooth-type bridge expansion and contraction device |
| CN204325911U (en) * | 2014-11-25 | 2015-05-13 | 合肥国本桥梁特种构件有限公司 | A kind of interdigitated electrode structure damping displacement bridge extension joint |
| CN204491411U (en) * | 2015-05-13 | 2015-07-22 | 衡水铭健工程橡胶有限公司 | A kind of modular multi-directional deflection comb-formed retractable device |
| CN207176490U (en) * | 2017-08-30 | 2018-04-03 | 安徽尚德科技有限公司 | A kind of slagging-off multi-directional deflection comb tooth-type retractor device certainly |
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| Publication number | Publication date |
|---|---|
| CN107354868B (en) | 2022-11-29 |
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