CN103306197B - Unitary bending-deformation-resistant multidirectional-displacement comb tooth type bridge expansion device - Google Patents
Unitary bending-deformation-resistant multidirectional-displacement comb tooth type bridge expansion device Download PDFInfo
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- CN103306197B CN103306197B CN201310189162.XA CN201310189162A CN103306197B CN 103306197 B CN103306197 B CN 103306197B CN 201310189162 A CN201310189162 A CN 201310189162A CN 103306197 B CN103306197 B CN 103306197B
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- comb tooth
- plate
- seat
- steel box
- girder
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- 244000126211 Hericium coralloides Species 0.000 title claims abstract description 33
- 238000006073 displacement reaction Methods 0.000 title abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 50
- 239000010959 steel Substances 0.000 claims abstract description 50
- 229920001971 elastomer Polymers 0.000 claims description 12
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 10
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 10
- 229920002635 polyurethane Polymers 0.000 claims description 10
- 239000004814 polyurethane Substances 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 8
- 230000007797 corrosion Effects 0.000 claims description 5
- 238000005260 corrosion Methods 0.000 claims description 5
- -1 polytetrafluoroethylene Polymers 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 241001391944 Commicarpus scandens Species 0.000 abstract 1
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 206010016256 fatigue Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
Abstract
The invention discloses a unitary bending-deformation-resistant multidirectional-displacement comb tooth type bridge expansion device. The bridge expansion device comprises a steel box girder I, a steel box girder II and a cross stitch plate, wherein a fixed comb tooth plate and a movable comb tooth plate are arranged on the steel box grinder I; one end of the cross stitch plate is hinged to a fixed end mounting seat at the end of the steel box grinder II through a fixed elastic support seat and a fixed tension device; comb teeth between the fixed comb tooth plate and the movable comb tooth plate are arranged in a mutually cross and interval manner; the other end of the cross stitch plate is hinged to the movable comb tooth plate through two connecting rod hinges; and the cross stitch plate is connected to a movable end mounting seat at the end of the steel box grinder I through a slidable elastic support seat and a slidable tension device, and is hinged to the fixed end mounting seat through a horizontal displacement resistance device. The bridge expansion device has the benefits that the comb tooth plates are not easy to break; the cross stitch plate is separated from the movable comb tooth plate, so that mutual influence is avoided; with the combination of the slidable elastic support seat and the slidable tension device, the cross stitch plate and the elastic support seat can correspondingly rotate when the ends of the grinders rotate; and with the horizontal displacement resistance device, the fixation of the cross stitch plate in the direction of the bridge is strengthened.
Description
Technical field
The present invention relates to bridge extension joint technical field, particularly a kind of modular anti-crawl agentdefiection becomes multi-directional deflection comb tooth-type bridge expansion device.
Background technology
Traditional comb-tooth bridge expansion device can substantially meet beam body along bridge to the elongation in direction and contraction.But in the bridge such as cable stayed bridge, suspension bridge, especially when beam body stroke is greater than 160mm, beam body, except occurring except longitudinal direction, vertical deflection under car load and temperature effect, also can issue horizontal corner and the torsional deflection of raw horizontal direction in other factors such as wind-force.
Several shortcomings that traditional comb-tooth bridge expansion device exists are:
1, the staged occlusion structure between comb plate can not adapt to the direction across bridge displacement of bridge, and during bridge lateral displacement, comb wrecks, thus causes the damage of whole stretching device;
2, under car load effect, time, beam body produces deflection deformation, and beam-ends will there will be certain upwarping and sink, now comb steel plate also will upwarp thereupon and sink, cause steel plate and beam body to form nonflexible line to contact, stress is very high, and chronic fatigue effect very easily causes structural damage;
3, fixed fingers plate is subject to caused by car load at direction of traffic the effect of frictional force counter-force, in direction of traffic generation certain displacement, makes the pave-load layer connected with it be squeezed and destroy.
Summary of the invention
Goal of the invention of the present invention is: for above-mentioned Problems existing, there is provided a kind of modular anti-crawl agentdefiection to become multi-directional deflection comb tooth-type bridge expansion device, mainly solving comb steel plate can the problem such as one end upwarps along with beam body dislocation distortion or the line contact that sinks, comb easily fracture.
The technical solution used in the present invention is such: a kind of modular anti-crawl agentdefiection becomes multi-directional deflection comb tooth-type bridge expansion device, comprise steel box-girder one, steel box-girder two and transverse joint plate, described steel box-girder one establishes pave-load layer, fixed fingers plate, movable comb tooth plate, C-type steel seat is established in described steel box-girder two end, described transverse joint plate one end is hinged by the fixed end mount pad of fixing elastomeric bearing seat and fixing tensioning device and steel box-girder two end, between described movable comb tooth plate and fixed fingers plate, mutual for comb transpostion interval is arranged and be connected to realize staged, the described transverse joint plate other end and movable comb tooth plate pass through the hinge of two connecting rod forms, described transverse joint plate is by can the slip elastomeric bearing seat of longitudinal sliding motion bottom it and slip take-up device be connected on the movable end mount pad of steel box-girder one end, hinged by the fixed end mount pad of anti-horizontal position moving device and steel box-girder two end.
Inside technique scheme, the beneficial effect of generation is:
1, between transverse joint plate and movable comb tooth plate with the hinge of two connecting rod forms, can realize the radial rotating around bearing pin, the comb that between movable comb tooth plate with fixed fingers plate, staged is engaged can not be subject to impact that bridge lateral conjugates and produce wrecking;
2, between transverse joint plate and movable comb tooth plate with the hinge of two connecting rod forms, beam body has deflection deformation after being subject to load, end produces longitudinally, vertical displacement, the existence due to two connecting rods between transverse joint plate and movable comb tooth plate, can't upwarp the situation of sinking line contact by comb;
3, transverse joint plate one end by fixing elastomeric bearing and steel box-girder two end hinged, the other end by slip elastomeric bearing seat and slip take-up device to support, tension, can the form of longitudinal sliding motion to be connected with beam body, can ensure that transverse joint plate upwarps sinking all not too large, keep enough elasticity, and the situation that linear contact lay appears in transverse joint plate and steel box-girder can be cleared up;
4, the setting of anti-horizontal position moving device, further enhances the ability that transverse joint plate bears horizontal force.
As preferred embodiment, the connecting rod forming the hinge of described two connecting rod forms is rotationally connected by bearing pin, and axially can produce relative displacement at bearing pin between each connecting rod.
The hinge of this kind of structure, can adapt to the lateral displacement that beam body produces.
As preferred embodiment, described slip elastomeric bearing seat comprises relatively turnable ball projection seat and ball impression seat and polyurethane therebetween, described ball projection seat under, be fixedly connected with movable end mount pad, described ball impression seat upper, its top be provided with one deck polytetrafluoroethylene (PTFE) rubber cushion and with transverse joint plate close contact.The slip elastomeric bearing seat of this kind of structure can adapt to the deflection deformation of transverse joint plate generation, and warpage sinks to be cleared up by these two supporting bases, can also adapt to the length travel of transverse joint plate, can not produce damage to structure.
Described fixing elastomeric bearing seat comprises relatively turnable ball projection seat and ball impression seat and polyurethane therebetween, described ball projection seat under, be fixedly connected with fixed end mount pad, described ball impression seat, upper, is fixedly connected with transverse joint plate.The fixing elastomeric bearing seat of this kind of structure can adapt to the deflection deformation of transverse joint plate generation, and warpage sinks to be cleared up by these two supporting bases, can not produce damage to structure.
As preferred embodiment, described slip take-up device comprises urceolus and sliding tie rod, described sliding tie rod upper end is ball impression base and is slidably connected in the T-slot bottom transverse joint plate, be socketed on contact surface that rubber slide plate is buffered in T-slot under ball impression base, after lower end socket polyurethane shear spring, activity is interspersed in urceolus, guiding cover is connected by turnbuckle with urceolus, is fixedly connected with bottom described urceolus with movable end mount pad.
As preferred embodiment, anti-horizontal position moving device comprises base and the card U-shaped Anti-skid seat thereon of inverted T shape, and base is fixedly connected with fixed end mount pad in bottom, and Anti-skid seat is fixedly connected with bottom transverse joint plate on top.This structure not only can play the effect of anti-horizontal movement, can also cushion the displacement on transverse joint plate vertical direction.
As to preferred embodiment described in the preceding paragraph further preferably, the contact surface of described base and Anti-skid seat is provided with rubber sleeve.After increasing rubber sleeve, the better effects if of shock absorbing load.
As preferred embodiment, described fixed fingers plate is bolted on one piece of fixed head and a cushion block, and this fixed head is welded on steel box-girder one upper surface, and steel box-girder one upper surface below described movable comb tooth plate lays one deck corrosion resistant plate.
Fixed fingers plate is fixedly connected with by this way, replacing for convenience detach.Lay corrosion resistant plate under movable comb tooth plate, convenient movable comb tooth plate is moving upward to side along bridge.
As preferred embodiment, seal with sealing joint strip between described transverse joint plate two ends and movable comb tooth plate, C-type steel seat.Between described transverse joint plate and steel box-girder one end, watertight shutter is set.
Sealing joint strip and watertight shutter can avoid rainwater and dirt to enter in steel box-girder connecting sewing, clean, environmental protection.
Accompanying drawing explanation
Fig. 1 is the top view of the embodiment of the present invention.
Fig. 2 is the A-A sectional view in Fig. 1 embodiment.
Fig. 3 is the B-B sectional view in Fig. 1 embodiment.
Fig. 4 is the C-C sectional view in Fig. 1 embodiment.
Fig. 5 is the perspective view of elastomeric bearing seat of sliding in Fig. 1 embodiment.
Mark in figure:
1 is steel box-girder one, and 2 is pave-load layer, and 3 is fixed head, and 4 is cushion block, 5 is fixed fingers plate, and 6 is corrosion resistant plate, and 7 is movable comb tooth plate, and 8 is hinge, 9 is transverse joint plate, and 10 is watertight shutter, and 11 is slip elastomeric bearing seat, and 12 is movable end mount pad, 13 is fixed end mount pad, and 14 is fixing elastomeric bearing seat, and 15 is sealing joint strip, 16 is C-type steel seat, and 17 is bolt, and 18 is steel box-girder two, 19 is slip take-up device, and 20 is fixing tensioning device, and 21 is anti-horizontal position moving device;
11a is ball projection seat, and 11b is polyurethane, and 11c is ball impression seat, and 11d is polytetrafluoroethylene (PTFE) rubber cushion;
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.
Most preferred embodiment:
As shown in Figure 2,3, 4, a kind of modular anti-crawl agentdefiection becomes multi-directional deflection comb tooth-type bridge expansion device, comprise steel box-girder 1, steel box-girder 2 18 and transverse joint plate 9, described steel box-girder 1 is established pave-load layer 2, fixed fingers plate 5, movable comb tooth plate 7, C-type steel seat 16 is established in described steel box-girder 2 18 end, and described transverse joint plate 9 one end is hinged by the fixed end mount pad 13 of fixing elastomeric bearing seat 14 and fixing tensioning device 20 and steel box-girder 2 18 end.
As shown in Figure 1, between described movable comb tooth plate 7 and fixed fingers plate 5, mutual for comb transpostion interval is arranged and be connected to realize staged.
The hinge 8 that described transverse joint plate 9 other end and movable comb tooth plate 7 pass through two connecting rod forms is hinged.
As shown in Figure 1, Figure 2, Figure 3 shows, described transverse joint plate 9 is by can the slip elastomeric bearing seat 11 of longitudinal sliding motion bottom it and slip take-up device 19 be connected on the movable end mount pad 12 of steel box-girder 1 end.
As shown in Figure 4, described transverse joint plate 9 is hinged with the fixed end mount pad 13 of steel box-girder 2 18 end by anti-horizontal position moving device 21.
The connecting rod forming the hinge 8 of described two connecting rod forms is rotationally connected by bearing pin, and can produce radial rotating and axial relative displacement between each connecting rod on bearing pin.
As shown in Figure 5, described slip elastomeric bearing seat 11 comprises relatively turnable ball projection seat 11a and ball impression seat 11c and polyurethane 11b therebetween, described ball projection seat 11a under, be fixedly connected with movable end mount pad 12, described ball impression seat 11c upper, its top be provided with one deck polytetrafluoroethylene (PTFE) rubber cushion 11d and with transverse joint plate 9 close contact.
Described fixing elastomeric bearing seat 14 comprises relatively turnable ball projection seat 11a and ball impression seat 11c and polyurethane 11b therebetween, described ball projection seat 11a under, be fixedly connected with fixed end mount pad 13, described ball impression seat 11c, upper, is fixedly connected with transverse joint plate 9.The structure chart of fixing elastomeric bearing seat 14 is not enclosed, and with reference to slip elastomeric bearing seat shown in Fig. 5, is the structure of fixing elastomeric bearing seat 14 after removing polytetrafluoroethylene (PTFE) rubber cushion 11d.
Described slip take-up device 19 comprises urceolus and sliding tie rod, described sliding tie rod upper end is ball impression base and is slidably connected in the T-slot bottom transverse joint plate 9, be socketed on contact surface that rubber slide plate is buffered in T-slot under ball impression base, after lower end socket polyurethane shear spring, activity is interspersed in urceolus, guiding cover is connected by turnbuckle with urceolus, is fixedly connected with bottom described urceolus with movable end mount pad 12.
Anti-horizontal position moving device 21 comprises base and the card U-shaped Anti-skid seat thereon of inverted T shape, base is fixedly connected with fixed end mount pad 13 in bottom, Anti-skid seat is fixedly connected with bottom transverse joint plate 9 on top, and the contact surface of described base and Anti-skid seat is provided with rubber sleeve.
As shown in Figure 2, described fixed fingers plate 5 is connected on one piece of fixed head 3 and a cushion block 4 by bolt 17, and this fixed head 3 is welded on steel box-girder 1 upper surface, and steel box-girder 1 upper surface below described movable comb tooth plate 7 lays one deck corrosion resistant plate 6.
As shown in Figure 2, seal with sealing joint strip 15 between described transverse joint plate 9 two ends and movable comb tooth plate 7, C-type steel seat 16, between described transverse joint plate 9 and steel box-girder 1 end, watertight shutter 10 is set.
Claims (8)
1. a modular anti-crawl agentdefiection becomes multi-directional deflection comb tooth-type bridge expansion device, comprise steel box-girder one (1), steel box-girder two (18) and transverse joint plate (9), described steel box-girder one (1) establishes pave-load layer (2), fixed fingers plate (5), movable comb tooth plate (7), C-type steel seat (16) is established in described steel box-girder two (18) end, described transverse joint plate (9) one end is hinged by the fixed end mount pad (13) of fixing elastomeric bearing seat (14) and fixing tensioning device (20) and steel box-girder two (18) end, it is characterized in that: between described movable comb tooth plate (7) and fixed fingers plate (5), mutual for comb transpostion interval is arranged and be connected to realize staged, described transverse joint plate (9) other end and movable comb tooth plate (7) hinged by the hinge (8) of two connecting rod forms, described transverse joint plate (9) is by can the slip elastomeric bearing seat (11) of longitudinal sliding motion bottom it and slip take-up device (19) be connected on the movable end mount pad (12) of steel box-girder one (1) end, hinged with the fixed end mount pad (13) of steel box-girder two (18) end by anti-horizontal position moving device (21), the connecting rod forming the hinge (8) of described two connecting rod forms is rotationally connected by bearing pin, and between each connecting rod and bearing pin, produce radial rotating and axial relative sliding.
2. the modular anti-crawl agentdefiection of one according to claim 1 becomes multi-directional deflection comb tooth-type bridge expansion device, it is characterized in that: described slip elastomeric bearing seat (11) comprises relatively turnable ball projection seat (11a) and ball impression seat (11c) and polyurethane therebetween (11b), described ball projection seat (11a) under, be fixedly connected with movable end mount pad (12), described ball impression seat (11c) upper, its top be provided with one deck polytetrafluoroethylene (PTFE) rubber cushion (11d) and with transverse joint plate (9) close contact.
3. the modular anti-crawl agentdefiection of one according to claim 1 becomes multi-directional deflection comb tooth-type bridge expansion device, it is characterized in that: described fixing elastomeric bearing seat (14) comprises relatively turnable ball projection seat (11a) and ball impression seat (11c) and polyurethane therebetween (11b), described ball projection seat (11a) under, be fixedly connected with fixed end mount pad (13), described ball impression seat (11c), upper, is fixedly connected with transverse joint plate (9).
4. the modular anti-crawl agentdefiection of one according to claim 1 becomes multi-directional deflection comb tooth-type bridge expansion device, it is characterized in that: described slip take-up device (19) comprises urceolus and sliding tie rod, described sliding tie rod upper end is ball impression base and is slidably connected in the T-slot of transverse joint plate (9) bottom, be socketed on contact surface that rubber slide plate is buffered in T-slot under ball impression base, after lower end socket polyurethane shear spring, activity is interspersed in urceolus, guiding cover is connected by turnbuckle with urceolus, is fixedly connected with bottom described urceolus with movable end mount pad (12).
5. the modular anti-crawl agentdefiection of one according to claim 1 becomes multi-directional deflection comb tooth-type bridge expansion device, it is characterized in that: anti-horizontal position moving device (21) comprises base and the card U-shaped Anti-skid seat thereon of inverted T shape, base is fixedly connected with fixed end mount pad (13) in bottom, and Anti-skid seat is fixedly connected with transverse joint plate (9) bottom on top.
6. a kind of unit anti-crawl agentdefiection according to claim 5 becomes multi-directional deflection comb tooth-type bridge expansion device, it is characterized in that: the contact surface of described base and Anti-skid seat is provided with rubber sleeve.
7. a kind of unit anti-crawl agentdefiection according to claim 1 becomes multi-directional deflection comb tooth-type bridge expansion device, it is characterized in that: described fixed fingers plate (5) is connected on one piece of fixed head (3) and a cushion block (4) by bolt (17), this fixed head (3) is welded on steel box-girder one (1) upper surface, and steel box-girder one (1) upper surface of described movable comb tooth plate (7) below lays one deck corrosion resistant plate (6).
8. a kind of unit anti-crawl agentdefiection according to claim 1 becomes multi-directional deflection comb tooth-type bridge expansion device, it is characterized in that: seal with sealing joint strip (15) between described transverse joint plate (9) two ends and movable comb tooth plate (7), C-type steel seat (16), between described transverse joint plate (9) and steel box-girder one (1) end, watertight shutter (10) is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310189162.XA CN103306197B (en) | 2013-05-21 | 2013-05-21 | Unitary bending-deformation-resistant multidirectional-displacement comb tooth type bridge expansion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310189162.XA CN103306197B (en) | 2013-05-21 | 2013-05-21 | Unitary bending-deformation-resistant multidirectional-displacement comb tooth type bridge expansion device |
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| Publication Number | Publication Date |
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| CN103306197A CN103306197A (en) | 2013-09-18 |
| CN103306197B true CN103306197B (en) | 2015-04-08 |
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| CN201310189162.XA Active CN103306197B (en) | 2013-05-21 | 2013-05-21 | Unitary bending-deformation-resistant multidirectional-displacement comb tooth type bridge expansion device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103510468A (en) * | 2013-10-17 | 2014-01-15 | 宁波路宝科技实业集团有限公司 | Non-concrete type bridge expansion joint device |
| CN107326803A (en) * | 2017-08-10 | 2017-11-07 | 安徽省交通规划设计研究总院股份有限公司 | The scattered displacement expansion joint of tandem |
| CN107401115A (en) * | 2017-08-16 | 2017-11-28 | 中铁第四勘察设计院集团有限公司 | Double articulated body systems bridge extension joint |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1333137C (en) * | 2004-01-08 | 2007-08-22 | 徐斌 | Expansion joint apparatus for ultra large yield resisting comb type bridge |
| CN102296531B (en) * | 2011-05-19 | 2013-10-30 | 成都市新筑路桥机械股份有限公司 | Large-displacement comb-type bridge expansion device with capability of multidirectional dislocation |
| CN202073034U (en) * | 2011-05-24 | 2011-12-14 | 衡水中铁建工程橡胶有限责任公司 | Multidirectional displacement comb plate type bridge expansion device |
| JP5572174B2 (en) * | 2012-02-06 | 2014-08-13 | 明彦 浪岡 | Modular bridge expansion and contraction device |
| CN202809482U (en) * | 2012-07-27 | 2013-03-20 | 柳州东方工程橡胶制品有限公司 | Large-displacement prestressed multi-directional-displacement expansion device |
| CN102767137B (en) * | 2012-08-15 | 2014-09-03 | 上海汇城建筑装饰有限公司 | Anti-seismic large deformation expansion device of comb plate |
| CN102808377A (en) * | 2012-08-17 | 2012-12-05 | 长安大学 | Comb plate type bridge expansion device with spatial multi-direction shift function for bridge expansion joint |
| CN203270449U (en) * | 2013-05-21 | 2013-11-06 | 成都市新筑路桥机械股份有限公司 | Unitized anti-deflection comb tooth type bridge telescopic device with function of multidirectional displacement |
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2013
- 2013-05-21 CN CN201310189162.XA patent/CN103306197B/en active Active
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Effective date of registration: 20240111 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, Sichuan, Chengdu Patentee before: CHENGDU XINZHU ROAD & BRIDGE MACHINERY Co.,Ltd. |