CN204112216U - Road and bridge noise-reducing stretching device - Google Patents
Road and bridge noise-reducing stretching device Download PDFInfo
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- CN204112216U CN204112216U CN201420673437.7U CN201420673437U CN204112216U CN 204112216 U CN204112216 U CN 204112216U CN 201420673437 U CN201420673437 U CN 201420673437U CN 204112216 U CN204112216 U CN 204112216U
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- expansion plate
- bridge
- rubber expansion
- stretching device
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Abstract
The utility model discloses a kind of road and bridge noise-reducing stretching device, comprise rubber expansion plate and anchor connection mechanism, transverse concave groove and lateral groove is formed at the upper surface of described rubber expansion plate, transverse concave groove described in each is at the upper surface of described rubber expansion plate along the horizontal expansion of road and bridge, and described lateral groove and described transverse concave groove are crisscross arranged.Described anchor connection mechanism comprises at least two supporting members, and described supporting member has a link and a supported end, and described link is fixed in the lateral side surfaces of described rubber expansion plate, and described supported end is fixed on the soffit of described rubber expansion plate.The utility model has good energy-absorbing damping effect, rubber expansion plate is not only made to have good telescopicing performance, meet road and bridge deformation requirements, and the air sonorant that tire fully can be reduced to contact with rubber expansion plate upper surface and produce, realize in the process of bearing wheel load repeated stock, there will not be excessive noise.
Description
Technical field
The utility model relates to the technical field of road and bridge stretching device structure design, particularly relates to a kind of road and bridge noise-reducing stretching device.
Background technology
At present, the stretching device of domestic and international application on urban elevated bridge has shaped steel modulus type and board-like two kinds of flute profile usually.
Commonly surface layer plate is made odontoid, stretch out the intermeshing cantilevered construction of bridge deck gap location from left and right, be called steel comb template bridge extension joint.Although this kind of device can bear larger horizontal displacement, stroke can reach 300mm, and anti-impact force is comparatively strong, in bridge engineering, also have application, because this kind of device bandpass is comparatively large, easily produce noise, and lateral displacement is very little.Another kind of modulus type section steel expansion device, although the width stretching device more board-like than flute profile is little, forms the groove of 80 millimeters, adds that rigid structures still easily produces larger noise when distance of stretch out and draw back is maximum.
Therefore, the applicant is devoted to develop a kind of road and bridge noise-reducing stretching device, meets road and bridge deformation requirements, can directly bear wheel load repeated stock effect, and realize impact process low noise in road and bridge structure.
Utility model content
Because the above-mentioned deficiency of prior art, the utility model proposes a kind of road and bridge noise-reducing stretching device, meet road and bridge deformation requirements, can directly bear wheel load repeated stock effect in road and bridge structure, and realize impact process low noise.
For achieving the above object, the utility model provides a kind of road and bridge noise-reducing stretching device, comprise rubber expansion plate for directly bearing wheel load and for described rubber expansion plate being fixed on the anchor connection mechanism on road and bridge, described rubber expansion plate has upper surface, soffit down upward, two along longitudinal side surface and two of road and bridge longitudinal extension along the lateral side surfaces of road and bridge horizontal expansion.
Wherein, be formed with some transverse concave grooves and some lateral groove at the upper surface of described rubber expansion plate, transverse concave groove described in each is at the upper surface of described rubber expansion plate along the horizontal expansion of road and bridge, and described lateral groove and described transverse concave groove are crisscross arranged.
Described anchor connection mechanism comprises at least two supporting members, and described supporting member has a link and a supported end, and described link is fixed in the lateral side surfaces of described rubber expansion plate, and described supported end is fixed on the soffit of described rubber expansion plate.
Preferably, described transverse concave groove is 3 or 5, and described transverse concave groove is parallel to each other the equal upper surface being arranged in described rubber expansion plate of spacing, and described lateral groove is extended to both sides by the transverse concave groove mediated.
Preferably, described transverse concave groove is wave shape groove.
Preferably, be also provided with some bar shaped cavities in the inside of described rubber expansion plate, described bar shaped cavity along road and bridge horizontal expansion, and is between adjacent transverse groove.
Preferably, described anchor connection mechanism also comprises at least two location-plates, in the vertical lateral side surfaces being fixed on described rubber expansion plate outwardly of described location-plate, described location-plate offers the locating hole for wearing anchor bar.
Preferably, described road and bridge noise-reducing stretching device also comprises one for being filled in packing in described road and bridge shrinkage joint and a gripper shoe, the upper surface of described gripper shoe is on the soffit being located at described rubber expansion plate, and the soffit of described gripper shoe is arranged on described packing.
Preferably, the soffit of described rubber expansion plate is preset with one for the cavity volume of accommodating described gripper shoe, described gripper shoe is plugged in described cavity volume.
Preferably, described packing and described gripper shoe are calcium and mould foamed board.
The beneficial effect of road and bridge noise-reducing stretching device of the present utility model is as follows:
1, the upper surface of rubber expansion plate is transformed into the special grains with transverse concave groove and lateral groove by the utility model, described transverse concave groove and lateral groove have good energy-absorbing damping effect, rubber expansion plate is not only made to have good telescopicing performance, meet road and bridge deformation requirements, and the air sonorant that tire fully can be reduced to contact with rubber expansion plate upper surface and produce, realize in the process of bearing wheel load repeated stock, there will not be excessive noise.
2, the utility model also arranges multiple supporting member dexterously, not only satisfied needs rubber expansion plate is anchored on road and bridge, can also upwards support rubber expansion plate effectively, improve the energy-absorbing damping effect of rubber expansion plate, and be delivered in road and bridge by the load that rubber expansion plate bears in time, and whole use procedure can not produce excessive noise.
3, the utility model further arranges bar shaped cavity in rubber expansion plate inside, is conducive to the damping effect of further optimization device and improves the maximal dilation amount of rubber expansion plate.
4, the utility model has added location-plate further, is convenient to the utility model installation location at the construction field (site).
5, the utility model further adds packing and gripper shoe, be conducive to the damping effect of further optimization device and improve the application life of device, the sagging impact that can prevent rubber expansion plate from causing due to reasons such as ageing of rubbers normally uses and produces the defects such as noise.
6, the utility model connects without the need to using screw due to upper surface, do not need to offer screw, only offer the not telescopic chute of up/down perforation (transverse concave groove and lateral groove), therefore there is not leakage hidden trouble, rubber expansion plate surface does not need to carry out secondary patching, has good sealing performance.Meanwhile, described telescopic chute can also serve as rhone and anti-slip tank, improves travel safety and the drainage performance of rainy day; In addition, because upper surface does not use screw, so the utility model also can not owing to loosen or broken and cause screw to disperse.
7, the utility model process of deployment at the scene, does not need to set up template, have outstanding can application property.
Be described further below with reference to the technique effect of accompanying drawing to design of the present utility model, concrete structure and generation, to understand the purpose of this utility model, characteristic sum effect fully.
Accompanying drawing explanation
Fig. 1 is the facade organigram of specific embodiment road and bridge noise-reducing stretching device.
Fig. 2 is the planar configuration schematic diagram of specific embodiment road and bridge noise-reducing stretching device.
Fig. 3 is the facade constructional drawing under the application state of specific embodiment road and bridge noise-reducing stretching device.
Fig. 4 is the planar configuration figure under the application state of specific embodiment road and bridge noise-reducing stretching device.
Detailed description of the invention
As shown in Figure 1, a kind of road and bridge noise-reducing stretching device of the present embodiment, comprise rubber expansion plate 100 for directly bearing wheel load and for described rubber expansion plate being fixed on the anchor connection mechanism 200 on road and bridge, rubber expansion plate 100 has the longitudinal side surface 130 and two of a upper surface 110, upward soffit 120, two down along road and bridge longitudinal extension along the lateral side surfaces 140 of road and bridge horizontal expansion.
As shown in Figure 2, the present embodiment is formed with some transverse concave grooves 150 and some lateral groove 160 at the upper surface 110 of rubber expansion plate 100, each transverse concave groove 150 is at the upper surface 110 of rubber expansion plate 100 along the horizontal expansion of road and bridge, and lateral groove 160 and transverse concave groove 150 are crisscross arranged.
In the present embodiment, anchor connection mechanism 200 comprises at least two supporting members 210, supporting member 210 has link 211 and a supported end 212, and link 211 is fixed in the lateral side surfaces 140 of rubber expansion plate 100, and supported end 212 is fixed on the soffit 120 of rubber expansion plate 100.
Concrete, as shown in Figure 2, the present embodiment adopts transverse concave groove 150 and many lateral groove 160 of 5 undulates, transverse concave groove 150 is parallel to each other the equal upper surface 110 being arranged in rubber expansion plate 100 of spacing as shown in the figure, and lateral groove 160 is extended to both sides by the transverse concave groove mediated.Exemplary, lateral groove 160 can as shown in Figure 2 as, by centre position to both sides layout obliquely.
As shown in Figure 2, the upper surface 110 of the rubber expansion plate 100 of the present embodiment is made into the groove lines being similar to tire tread, wherein for transverse concave groove 150 and the concrete quantity of lateral groove 160, concrete size and relative angular position, all can carry out adjustment customization according to the actual conditions of road and bridge, as the transverse concave groove of 3 other quantity such as grade can also be adopted, repeat no more herein.
As the further detailed description of the invention of the present embodiment, as shown in Figure 1, the present embodiment is also provided with 4 bar shaped cavities 170 in the inside of described rubber expansion plate, and each bar shaped cavity 170 all along road and bridge horizontal expansion, and is between adjacent transverse groove.
The anchor connection mechanism 200 of the present embodiment also comprises multiple location-plate 220, multiple location-plate 220 is divided into two groups, two groups of location-plates 220 all vertical outwardly be fixed in two lateral side surfaces 140 of described rubber expansion plate, each location-plate 220 offers the locating hole (not marking in figure) for wearing anchor bar.
Of course, in Concrete facts example, the quantity of supporting member and location-plate to adjust according to actual needs, as adopted 2,3,4 or 10 etc., supporting member can adopt notched annular dowel as shown in the figure, location-plate also directly can adopt the steel plate of central aperture, supporting member and location-plate can directly sulfuration be fixed on rubber expansion plate, also one junction steel plate can be set by the surperficial prevulcanization at rubber expansion plate, be connected and fixed by modes such as welding again, repeat no more herein.
As the further detailed description of the invention of the present embodiment, as shown in Figure 3, the road and bridge noise-reducing stretching device of the present embodiment also comprises one for being filled in packing 300 in described road and bridge shrinkage joint and a gripper shoe 400, the upper surface of gripper shoe 400 is on the soffit 120 being located at rubber expansion plate 100, and the soffit of gripper shoe 400 is arranged on packing 300.
Concrete, the soffit of rubber expansion plate 100 is preset with one for the cavity volume (not marking in figure) of accommodating described gripper shoe, gripper shoe 400 is plugged in described cavity volume, and packing 300 and gripper shoe 400 are calcium and mould foamed board.
Exemplary, the primary raw material that the calcium of the present embodiment moulds foamed board is resin, filler, blowing agent etc.Can by the mixing even extrusion sheet stock of raw material plasticator again through the expanded die sinking that warms up of mold pressing bulking machine, sheet stock can mould cystosepiment by expanded formation calcium.
Exemplary, as shown in Figure 3 and Figure 4, the work progress that the road and bridge noise-reducing stretching device of the present embodiment is particularly applicable on bridge is as follows:
1, according to the actual conditions of bridge expanssion joint, the road and bridge noise-reducing stretching device of prefabricated as above structure.
2, at the construction field (site), the center, shrinkage joint of bridge reserves the installation site of road and bridge noise-reducing stretching device to both sides.
3, road and bridge noise-reducing stretching device is inserted in installation site, packing is inserted in shrinkage joint, the supporting member of both sides and location-plate carry out corresponding connection to the dowel on bridge installation site, can connect the brushing of tongue and groove place in addition bonding from sulphur rubber at shrinkage joint.
4, finally again concreting and maintenance are carried out to the space between road and bridge noise-reducing stretching device and installation site.
The present embodiment is particularly useful for the use of stroke at below 240mm overhead road of city and loop wire, and the road and bridge noise-reducing stretching device of the present embodiment has the characteristic that stationarity is good, sealing is good, the advantage that noise reducing is good.
More than describe preferred embodiment of the present utility model in detail.Should be appreciated that those of ordinary skill in the art just can make many modifications and variations according to design of the present utility model without the need to creative work.Therefore, all technician in the art according to design of the present utility model on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment, all should by the determined protection domain of claims.
Claims (8)
1. a road and bridge noise-reducing stretching device, comprise rubber expansion plate for directly bearing wheel load and for described rubber expansion plate being fixed on the anchor connection mechanism on road and bridge, described rubber expansion plate has a upper surface upward, one soffit down, two along longitudinal side surface and two of road and bridge longitudinal extension along the lateral side surfaces of road and bridge horizontal expansion, it is characterized in that: be formed with some transverse concave grooves and some lateral groove at the upper surface of described rubber expansion plate, transverse concave groove described in each at the upper surface of described rubber expansion plate along the horizontal expansion of road and bridge, described lateral groove and described transverse concave groove are crisscross arranged,
Described anchor connection mechanism comprises at least two supporting members, and described supporting member has a link and a supported end, and described link is fixed in the lateral side surfaces of described rubber expansion plate, and described supported end is fixed on the soffit of described rubber expansion plate.
2. road and bridge noise-reducing stretching device as claimed in claim 1, it is characterized in that: described transverse concave groove is 3 or 5, described transverse concave groove is parallel to each other the equal upper surface being arranged in described rubber expansion plate of spacing, and described lateral groove is extended to both sides by the transverse concave groove mediated.
3. road and bridge noise-reducing stretching device as claimed in claim 1 or 2, is characterized in that: described transverse concave groove is wave shape groove.
4. road and bridge noise-reducing stretching device as claimed in claim 1 or 2, it is characterized in that: be also provided with some bar shaped cavities in the inside of described rubber expansion plate, described bar shaped cavity along road and bridge horizontal expansion, and is between adjacent transverse groove.
5. road and bridge noise-reducing stretching device as claimed in claim 1, it is characterized in that: described anchor connection mechanism also comprises at least two location-plates, in the vertical lateral side surfaces being fixed on described rubber expansion plate outwardly of described location-plate, described location-plate offers the locating hole for wearing anchor bar.
6. road and bridge noise-reducing stretching device as claimed in claim 1, it is characterized in that: described road and bridge noise-reducing stretching device also comprises one for being filled in packing in described road and bridge shrinkage joint and a gripper shoe, the upper surface of described gripper shoe is on the soffit being located at described rubber expansion plate, and the soffit of described gripper shoe is arranged on described packing.
7. road and bridge noise-reducing stretching device as claimed in claim 6, is characterized in that: the soffit of described rubber expansion plate is preset with one for the cavity volume of accommodating described gripper shoe, described gripper shoe is plugged in described cavity volume.
8. road and bridge noise-reducing stretching device as claimed in claim 6, is characterized in that: described packing and described gripper shoe are calcium and mould foamed board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420673437.7U CN204112216U (en) | 2014-11-12 | 2014-11-12 | Road and bridge noise-reducing stretching device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420673437.7U CN204112216U (en) | 2014-11-12 | 2014-11-12 | Road and bridge noise-reducing stretching device |
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| CN204112216U true CN204112216U (en) | 2015-01-21 |
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| CN201420673437.7U Active CN204112216U (en) | 2014-11-12 | 2014-11-12 | Road and bridge noise-reducing stretching device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110904830A (en) * | 2019-10-31 | 2020-03-24 | 单国珠 | Method for applying durable noise-reducing maintenance-free bridge expansion device |
| CN111851281A (en) * | 2020-08-04 | 2020-10-30 | 赵亚蕊 | Working method of anti-resonance device for steel-concrete composite bridge |
| CN112239999A (en) * | 2020-11-25 | 2021-01-19 | 无锡市政设计研究院有限公司 | Novel bridge floor expansion joint structure |
| CN113585056A (en) * | 2021-08-16 | 2021-11-02 | 程学亮 | Constant temperature type leak-proof water stop strip for bridge |
-
2014
- 2014-11-12 CN CN201420673437.7U patent/CN204112216U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110904830A (en) * | 2019-10-31 | 2020-03-24 | 单国珠 | Method for applying durable noise-reducing maintenance-free bridge expansion device |
| CN111851281A (en) * | 2020-08-04 | 2020-10-30 | 赵亚蕊 | Working method of anti-resonance device for steel-concrete composite bridge |
| CN112239999A (en) * | 2020-11-25 | 2021-01-19 | 无锡市政设计研究院有限公司 | Novel bridge floor expansion joint structure |
| CN113585056A (en) * | 2021-08-16 | 2021-11-02 | 程学亮 | Constant temperature type leak-proof water stop strip for bridge |
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