CN204385614U - A kind of modulus bridge expansion device - Google Patents
A kind of modulus bridge expansion device Download PDFInfo
- Publication number
- CN204385614U CN204385614U CN201420817827.7U CN201420817827U CN204385614U CN 204385614 U CN204385614 U CN 204385614U CN 201420817827 U CN201420817827 U CN 201420817827U CN 204385614 U CN204385614 U CN 204385614U
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- Prior art keywords
- shaped steel
- comb
- plate
- expansion device
- king
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 53
- 239000010959 steel Substances 0.000 claims abstract description 53
- 230000007704 transition Effects 0.000 claims abstract description 30
- 238000006073 displacement reaction Methods 0.000 claims abstract description 17
- 238000010862 gear shaping Methods 0.000 claims abstract description 12
- 230000005856 abnormality Effects 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000006378 damage Effects 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Road Paving Structures (AREA)
Abstract
The utility model relates to modulus bridge expansion device, comprise displacement case, the supporting traverse of displacement case is provided with " king " shaped steel and each casing of displacement case is arranged " Z " shaped steel, the end face of each " Z " shaped steel arranges a comb plate and the outside of each " Z " shaped steel arranges and supports the gripper shoe of comb plate, the end face of " king " shaped steel arranges multiple transition tooth plate, the side of comb plate has multiple comb and forms slot between adjacent fingers, the both sides of each transition tooth plate have a gear shaping, the gear shaping of transition tooth plate both sides can be inserted in the slot of two comb plates respectively.This device effectively combines modulus bridge expansion device and easily installs two comfortable large advantages of driving a vehicle with comb plate stretching device, and can alleviate vibration, is out of shape destruction to entirety; And telescoping friction resistance can be reduced and when damaging appears in comb or abnormality upwarps, can allow buffer wheel transition, avoid dangerous generation.
Description
Technical field
The utility model belongs to bridge construction technical field, relates to a kind of bridge telescoping mechanism, particularly relates to a kind of modulus bridge expansion device.
Background technology
Bridge extension joint refers to the requirement for meeting bridge floor distortion, and stretching device set between bridge two ends, between beam-ends and abutment or in the articulated position of bridge.Bridge extension joint is the quality of the important component part of bridge, stretching device performance, directly has influence on the safety of driving and the smooth and easy of bridge road.
At present, highway in China bridge main will use shaped steel modular expansion device and common comb plate stretching device.In actual use, above two kinds of stretching devices are difficult to control due to self structure defect and installation quality, all exist fragile, affect girder construction, road-ability is poor, application life is short, the problem such as difficult in maintenance.Wherein, traditional steel modular expansion device, due to self structure defect, leave gap, and described gap is comparatively large between shaped steel for keeping flexible, therefore, large through out-of-date vibration at vehicle, there is the problems such as fragile, road-ability is poor, application life is short.
Therefore, at present in the urgent need to a kind of novel modulus bridge expansion device.
Summary of the invention
The utility model is intended to overcome the deficiencies in the prior art, a kind of modulus bridge expansion device is provided, this device can realize bridge floor smoothly transition, reduce the gap of central sill and two side bars, thus improve road-ability, and alleviate vehicle by time high frequency tamping to the impact of device, increase the service life; Meanwhile, this device is convenient to install, check, keep in repair and change, and has good versatility and economy.
For this reason, the utility model provides following technical scheme: a kind of modulus bridge expansion device, it comprises displacement case, the supporting traverse of described displacement case is provided with " king " shaped steel and each casing of described displacement case is provided with " Z " shaped steel, the end face of each described " Z " shaped steel is provided with a comb plate and the outside of each described " Z " shaped steel is provided with the gripper shoe supporting described comb plate, the end face of described " king " shaped steel is provided with multiple transition tooth plate, wherein, the side of described comb plate has multiple comb and forms slot between adjacent fingers, the both sides of each described transition tooth plate have a gear shaping, the gear shaping of described transition tooth plate both sides can be inserted in the slot of two described comb plates respectively.
Further, the front end of described comb is provided with 15 degree of inclined-planes, and the front end of described gear shaping is also provided with 15 degree of inclined-planes.
Further, wherein, described comb plate be welded on described " Z " shaped steel end face on or be bolted on the end face of described " Z " shaped steel.
Again further, wherein, described transition tooth plate be welded on described " king " shaped steel end face on or be bolted on the end face of described " king " shaped steel.
Again further, wherein, described gripper shoe is welded on the described outside of " Z " shaped steel and the bottom surface of described comb plate.
Compared with existing modulus bridge expansion device, modulus bridge expansion device of the present utility model has following Advantageous Effects and advantage:
(1) it effectively combines traditional modulus bridge expansion device and easily installs two comfortable large advantages of driving a vehicle with traditional comb plate stretching device;
(2) its mounting process is simple, and mode is versatile and flexible, constructability;
(3) due to the existence of comb plate, the gap of central sill and two side bars can be reduced, like this, due to the reduction of lash space, wheel by time drive a vehicle smooth-going, road-ability is good;
(4) adopt modulus design, be convenient to maintain and replace;
(5) front end of all teeth is 15 degree of inclined-planes, can allow buffer wheel transition, even if damaging or upwarping appears in comb, also effectively can avoid puncturing the generation that tire etc. is dangerous.
Accompanying drawing explanation
Fig. 1 is the top view of modulus bridge expansion device of the present utility model.
Fig. 2 is the left view of Fig. 1, and this figure is flexible interposition.
Fig. 3 is the top view of comb plate.
Fig. 4 is the top view of transition tooth plate.
Detailed description of the invention
Describe detailed description of the invention of the present utility model in detail below in conjunction with accompanying drawing, the content of detailed description of the invention is not as the restriction to protection domain of the present utility model.
The utility model relates to a kind of modulus bridge expansion device, and this device can realize bridge floor smoothly transition, improves road-ability, alleviate vehicle by time high frequency tamping to the impact of device, increase the service life; Meanwhile, be convenient to install, check, keep in repair and change, there is good versatility and economy; Further, the telescoping friction resistance of comb plate can be reduced, and when damaging appears in comb or abnormality upwarps, also can allow buffer wheel transition, avoid dangerous generation.
Fig. 1 shows the top view of modulus bridge expansion device of the present utility model.In order to simplify, merely illustrate the displacement case of one end in FIG, under normal circumstances, two ends all should have displacement case.Fig. 2 is the left view of Fig. 1, and this figure is flexible interposition.As illustrated in fig. 1 and 2, modulus bridge expansion device of the present utility model comprises displacement case.Damping etc. can be carried out to bridge by described displacement case.Described displacement case comprises two casings 1 and a supporting traverse 7.In the utility model, as shown in Figure 2, described supporting traverse 7 extends to the inside of described casing 1.Further, preferably, elastic device, such as rubber pad etc. between described supporting traverse 7 and described displacement case 2 are gone to the bottom, thus be convenient to supporting traverse 7 buffering vibration.
Described supporting traverse 7 is provided with " king " shaped steel 4 and each described displacement case 1 is provided with " Z " shaped steel 3.Like this, described " king " shaped steel 4 is formed as central sill.Two " Z " shaped steels 3 are positioned at the both sides of described " king " shaped steel 4, are formed as side bar.
Meanwhile, in the utility model, be also provided with linkage 12.Described linkage 12 has three tie points, is connected to below described " king " shaped steel 4 and each described " Z " shaped steel 3.Preferably, described linkage 12 can with described " king " shaped steel 4 and each described " Z " shaped steel 3 below weld together.Like this, by described linkage 12, can limiting displacement or stroke.
The end face of each described " Z " shaped steel 3 is provided with a comb plate 6.Wherein, described comb plate 6 can be welded on the end face of described " Z " shaped steel 3.Or, multiple screwed hole can be set in described " Z " shaped steel 3 and described comb plate 6, by the bolt through described screwed hole, described comb plate 6 be fixed together with described " Z " shaped steel 3.Meanwhile, the width due to described comb plate 6 is greater than the width of described " Z " shaped steel 3, and like this, the rear end of described comb plate 6 will be in vacant state, make described comb plate 6 can not obtain enough supports.In order to provide enough supports to described comb plate 6, the outside of each described " Z " shaped steel 3 is provided with the gripper shoe 2 supporting described comb plate 6.In the utility model, preferably, described gripper shoe 2 is welded on the described outside of " Z " shaped steel 3 and the bottom surface of described comb plate 6, thus provides enough supports for described comb plate 6.
The end face of described " king " shaped steel 4 is provided with multiple transition tooth plate 5.Wherein, described transition tooth plate 5 can be welded on the end face of described " king " shaped steel 4.Or, screwed hole can be set in described " king " shaped steel 4 and described transition tooth plate 5, by the bolt through described screwed hole, described transition tooth plate 5 be fixed together with described " king " shaped steel 4.As shown in Figure 1, in the utility model, preferably, described transition tooth plate 5 has multiple, and it is evenly distributed on described " king " shaped steel 4, so that cooperatively interact with comb plate 6.
As shown in Figure 3, the side of described comb plate 6 has multiple comb 9.Further, slot 10 is formed between adjacent fingers 9.As shown in Figure 4, the both sides of each described transition tooth plate 5 have a gear shaping 11.Like this, as shown in Figure 1, described comb plate 6 to be arranged on described " Z " shaped steel 3 and after described transition tooth plate 5 being arranged on described " king " shaped steel 4, the gear shaping 11 of each described transition tooth plate 5 both sides just can be inserted in one of them slot 10 of two described comb plates 6 respectively, thus described transition tooth plate 5 is cooperatively interacted with described comb plate 6.Due to the existence of described comb plate 6 and transition tooth plate 5, described " king " shaped steel 4 can be reduced, i.e. central sill, with two " Z " shaped steels 3, the gap namely between side bar.Like this, when wheel passes through, due to the reduction of lash space, drive a vehicle smooth-going, road-ability is good.Meanwhile, due to the reduction of lash space, the vibration of whole device can be reduced to greatest extent, be out of shape destruction to entirety.
In addition, as shown in Figure 3, the front end of described comb 9 is provided with inclined-plane.Preferably, described inclined-plane is 15 degree of inclined-planes.Meanwhile, as shown in Figure 4, the front end of described gear shaping 11 is also provided with inclined-plane.Preferably, described inclined-plane is also 15 degree of inclined-planes.Like this, because the front end of comb 9 and gear shaping 11 is all provided with inclined-plane, the telescoping friction resistance between comb plate 6 and transition tooth plate 5 can be reduced, be convenient to mutually stretching between comb plate 6 and transition tooth plate 5.Meanwhile, the design on inclined-plane also allows comb when occurring that damage or abnormality upwarp, and allows wheel cushion transition, avoids dangerous generation.
As shown in Figure 1, the both sides of modulus bridge expansion device of the present utility model are provided with multiple rivet clasp reinforcing bar 8.When specifically using, described multiple rivet clasp reinforcing bar 8 is cast in the concrete of bridge, thus described modulus bridge expansion device is fixed on bridge, make vehicle through bridge, give described Bridge Seismic by this modulus bridge expansion device, and provide comfortableness for vehicle.
The content of detailed description of the invention is understood for the ease of those skilled in the art and uses the utility model and describe, and does not form the restriction to the utility model protection content.Those skilled in the art, after having read content of the present utility model, can carry out suitable amendment to the utility model.Protection content of the present utility model is as the criterion with the content of claim.When not departing from flesh and blood and the protection domain of claim, the various amendments carried out the utility model, change and replacement etc. are all within protection domain of the present utility model.
Claims (5)
1. a modulus bridge expansion device, it comprises displacement case, the supporting traverse (7) of described displacement case is provided with " king " shaped steel (4) and each casing (1) of described displacement case is provided with " Z " shaped steel (3), the end face of each described " Z " shaped steel (3) is provided with a comb plate (6) and the outside of each described " Z " shaped steel (3) is provided with the gripper shoe (2) supporting described comb plate (6), the end face of described " king " shaped steel (4) is provided with multiple transition tooth plate (5), wherein, the side of described comb plate (6) has multiple comb (9) and forms slot (10) between adjacent fingers (9), the both sides of each described transition tooth plate (5) have a gear shaping (11), the gear shaping (11) of described transition tooth plate (5) both sides can be inserted in the slot (10) of two described comb plates (6) respectively.
2. modulus bridge expansion device as claimed in claim 1, wherein, the front end of described comb (9) is provided with 15 degree of inclined-planes, and the front end of described gear shaping (11) is also provided with 15 degree of inclined-planes.
3. modulus bridge expansion device as claimed in claim 2, wherein, described comb plate (6) be welded on described " Z " shaped steel (3) end face on or be bolted on the end face of described " Z " shaped steel (3).
4. modulus bridge expansion device as claimed in claim 3, wherein, described transition tooth plate (5) be welded on described " king " shaped steel (4) end face on or be bolted on the end face of described " king " shaped steel (4).
5. modulus bridge expansion device as claimed in claim 4, wherein, described gripper shoe (2) is welded on the described outside of " Z " shaped steel (3) and the bottom surface of described comb plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420817827.7U CN204385614U (en) | 2014-12-23 | 2014-12-23 | A kind of modulus bridge expansion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420817827.7U CN204385614U (en) | 2014-12-23 | 2014-12-23 | A kind of modulus bridge expansion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204385614U true CN204385614U (en) | 2015-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420817827.7U Expired - Fee Related CN204385614U (en) | 2014-12-23 | 2014-12-23 | A kind of modulus bridge expansion device |
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| Country | Link |
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| CN (1) | CN204385614U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104975569A (en) * | 2015-07-01 | 2015-10-14 | 苏州大学 | Method for constructing shape steel telescopic device for elevated highway bridge floor |
| CN105951589A (en) * | 2016-06-23 | 2016-09-21 | 武汉臣基工程科技有限公司 | Large-displacement composite bridge expansion device |
| CN111155425A (en) * | 2020-03-25 | 2020-05-15 | 中铁宝桥集团有限公司 | Large-span railway steel bridge end telescoping device |
| CN114108456A (en) * | 2021-12-08 | 2022-03-01 | 南昌大学 | Movable modulus type bridge expansion joint device meeting all levels of displacement |
-
2014
- 2014-12-23 CN CN201420817827.7U patent/CN204385614U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104975569A (en) * | 2015-07-01 | 2015-10-14 | 苏州大学 | Method for constructing shape steel telescopic device for elevated highway bridge floor |
| CN105951589A (en) * | 2016-06-23 | 2016-09-21 | 武汉臣基工程科技有限公司 | Large-displacement composite bridge expansion device |
| CN105951589B (en) * | 2016-06-23 | 2017-07-11 | 武汉臣基工程科技有限公司 | The bridge extension joint of big displacement quantity combined type |
| CN111155425A (en) * | 2020-03-25 | 2020-05-15 | 中铁宝桥集团有限公司 | Large-span railway steel bridge end telescoping device |
| CN114108456A (en) * | 2021-12-08 | 2022-03-01 | 南昌大学 | Movable modulus type bridge expansion joint device meeting all levels of displacement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150610 Termination date: 20191223 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |