CN214656314U - Bridge support with tensile function - Google Patents
Bridge support with tensile function Download PDFInfo
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- CN214656314U CN214656314U CN202022600300.7U CN202022600300U CN214656314U CN 214656314 U CN214656314 U CN 214656314U CN 202022600300 U CN202022600300 U CN 202022600300U CN 214656314 U CN214656314 U CN 214656314U
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- pinhole
- otic placode
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Abstract
The utility model provides a bridge beam supports with tensile function, bridge beam supports is the ball-type support, including last bedplate, well bedplate, lower bedplate and the bed plate that from top to bottom sets gradually, the equal downwardly extending in both sides of going up the bedplate is provided with the otic placode, the both sides of bed plate all upwards extend be provided with the corresponding lower otic placode of last otic placode, the otic placode is located corresponding last otic placode outside and the overlap of the two part down, be equipped with first pinhole on the otic placode, be equipped with the second pinhole corresponding with first pinhole on the otic placode down, be equipped with the bolt hole corresponding with first pinhole and second pinhole on the bed plate down, bridge beam supports still passes second pinhole and first pinhole in proper order and twists the round pin axle of corresponding bolt hole including the level. The utility model discloses increase tensile device in support both sides, can resist bridge pulling force and moment of torsion effectively, the volume is little, and the material is economized, simple structure, and the cost is low, and the damping ability is strong, has very strong enforceability.
Description
Technical Field
The utility model relates to a bridge construction technical field especially relates to a bridge beam supports with tensile function.
Background
The conventional bridge support is generally only a pressed support, and has the advantages of small volume, light weight, low manufacturing cost, complete functions, adoption of a spherical friction pair and good vibration reduction effect.
When the bridge support needs to resist tensile force, the stress mode of the whole support needs to be changed, and the existing bridge tensile support has the defects of complex function, large size, high manufacturing cost, poor vibration damping effect and time and labor waste in replacement.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bridge beam supports with tensile function, it is complicated to aim at being used for solving current bridge tensile support function, and the volume is big, and the cost is high, the poor problem of damping effect.
The utility model discloses a realize like this:
the utility model provides a bridge beam supports with tensile function, bridge beam supports is the ball-type support, including last bedplate, well bedplate, lower bedplate and the bed plate that from top to bottom sets gradually, the equal downwardly extending in both sides of going up the bedplate is provided with the otic placode, the both sides of bed plate all upwards extend be provided with the corresponding lower otic placode of last otic placode, the otic placode is located corresponding last otic placode outside and the overlap of the two part down, be equipped with first pinhole on the otic placode, be equipped with the second pinhole corresponding with first pinhole on the otic placode down, be equipped with the bolt hole corresponding with first pinhole and second pinhole on the bed plate down, bridge beam supports still passes second pinhole and first pinhole in proper order and twists the round pin axle of corresponding bolt hole including the level.
Further, the pin shaft and the upper end of the first pin hole have a certain gap.
Furthermore, the first pin hole is a round hole, and the diameter of the round hole is slightly larger than that of the pin shaft.
Furthermore, the first pin hole is a horizontal long round hole, and the vertical inner diameter of the first pin hole is slightly larger than that of the pin shaft.
Further, the pin shaft is tightly propped against the lower portion of the second pin hole.
Furthermore, the second pin hole adopts a round hole, the aperture of the round hole is matched with that of a pin shaft, and the pin shaft and the second pin hole are screwed and fixedly connected.
Furthermore, the height of the axis of the pin shaft is consistent with the height of the rotation center of the bridge support friction pair.
Furthermore, the whole body formed by overlapping the upper ear plate and the lower ear plate is in a bilateral symmetry structure.
Further, a gap is formed between the upper ear plate and the lower seat plate.
Furthermore, a guide friction pair is arranged between the upper ear plate and the lower seat plate.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) compared with the common support which only bears pressure, the utility model adds the tensile devices on the two sides of the support, which can effectively resist the tension and torque of the bridge;
(2) the utility model can keep the original function of the support, the stretching resistance device is arranged at the two sides of the support, the longitudinal bending moment can be effectively released by adopting bolting, the hinging performance of the support is kept unchanged, and the longitudinal and transverse activities of the support can be adapted by arranging the long round hole and changing the clearance between the upper ear plate and the lower support;
(3) compared with a common tensile support, the utility model combines the advantages of the common support and the tensile support, and has the advantages of small size, material saving, simple structure, low cost, strong damping capacity and strong practicability;
(4) the utility model discloses all kinds of bridge structures such as novel rail transit such as high-intensity earthquake district, pedestrian overpass, straddle type single track, yunba, suspension type single track can be applicable to.
Drawings
Fig. 1 is a front view of a bridge support with a tensile function according to an embodiment of the present invention;
fig. 2 is an elevation view of a bridge support with a tensile function according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a bridge support with a tensile function according to an embodiment of the present invention when the bridge support is adapted to longitudinal position limitation of the support;
fig. 4 is a schematic structural view of a bridge support with a tensile function according to an embodiment of the present invention when the bridge support is adapted to a longitudinal movement of the support;
fig. 5 is a schematic structural view of a bridge support with a tensile function adapted to a horizontal movement of the support provided by an embodiment of the present invention.
Description of reference numerals: 1-plane friction pair, 2-middle seat plate, 3-spherical friction pair, 4-guide friction pair, 5-upper seat plate, 6-upper lug plate, 7-pin shaft, 8-second pin hole, 9-lower lug plate, 10-base plate, 11-first pin hole, 12-bolt hole, 13-lower seat plate and 14-gap.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 and 2, an embodiment of the present invention provides a bridge support with a tensile function, wherein the bridge support is a spherical support, and includes an upper seat plate 5, a middle seat plate 2, a lower seat plate 13, and a base plate 10, which are sequentially arranged from top to bottom, the top surface of the middle seat plate 2 is provided with a planar friction pair 1, the bottom surface is spherical and is provided with a spherical friction pair 3, both sides of the upper seat plate 5 are respectively provided with an upper ear plate 6 extending downwards, both sides of the base plate 10 are respectively provided with a lower ear plate 9 extending upwards and corresponding to the upper ear plate 6, the lower ear plates 9 are located outside the corresponding upper ear plates 6 and partially overlap with each other, the upper ear plates 6 are provided with first pin holes 11, the lower ear plates 9 are provided with second pin holes 8 corresponding to the first pin holes 11, the lower seat plate 13 is provided with bolt holes 12 corresponding to the first pin holes 11 and the second pin holes 8, the bridge support also comprises a pin shaft 7 which horizontally penetrates through the second pin hole 8 and the first pin hole 11 in sequence and is screwed into the corresponding bolt hole 12. The utility model is provided with the upper and the lower ear plates 9 and the pin holes which are connected by the pin shaft 7, when the support is tensile and antitorque, the tension load is transmitted by the path of 'the upper ear plate 6-the pin shaft 7-the lower ear plate 9 and the lower seat plate 13', thereby effectively resisting the tension and the torque of the bridge; the mode of bolting the pin shaft 7 is adopted, so that the longitudinal bending moment can be effectively released, and the hinging performance of the support is kept unchanged.
According to the characteristic that the bridge support mainly bears pressure load, in order to switch different stress modes in a time-sharing manner when bearing the pressure load and the tension load, the pin shaft 7 and the upper end of the first pin hole 11 have a certain gap, so that when the support bears the pressure, the upper lug plate 6 does not generate pressure on the pin shaft 7, namely the upper lug plate 6 does not transmit the load, and the pressure is borne by the spherical steel support; when the support bears tensile force, the upper lug plate 6 is in a tensile state, and the tensile force is transmitted to the lower seat plate 13 and the lower lug plate 9 through the pin shaft 7 and further transmitted to the pier.
The utility model discloses can adapt to the vertical activity of support through the shape that sets up first pinhole 11. Specifically, referring to fig. 3, in order to be suitable for a longitudinal limiting support, the first pin hole 11 is a round hole, and the diameter of the round hole is slightly larger than that of the pin shaft 7, so as to limit the longitudinal displacement of the support; referring to fig. 4, in order to adapt to the longitudinally movable support, the first pin hole 11 is a horizontal long round hole, the vertical inner diameter of the first pin hole is slightly larger than that of the pin shaft 7, and the support can be well adapted to integral longitudinal rotation and translation, so that the limitation of rotation and displacement functions is avoided. The utility model discloses a set up first pinhole 11 and adopt round hole or slotted hole according to support displacement needs, do not restrict the rotation and the displacement of support to keep the function and the advantage of former support.
In order to ensure that the tensile load is transmitted to the lower ear plate 9 in time without influencing the friction pair of the support, the pin shaft 7 is tightly propped against the lower part of the second pin hole 8, if the pin shaft is not tightly propped, once the support is pulled, the spherical friction pair 3 can be separated, and the durability of the support is influenced, so that when the support is in an initial state, the lower gap between the pin shaft 7 and the second pin hole 8 is eliminated, the pin shaft 7 is tightly propped against the lower edge of the second pin hole 8, and when the tensile force occurs, the tensile force can be immediately transmitted to the lower ear plate 9, and the tensile force is prevented from being transmitted to the spherical friction pair 3. Preferably, the second pin hole 8 can adopt a round hole and the aperture is matched with the pin shaft 7, and the pin shaft 7 is screwed and fixed with the second pin hole 8, so that the timely transmission of the tensile load is further ensured.
Preferably, the height of the axis of the pin shaft 7 is consistent with the height of the rotation center of the friction pair of the bridge bearing, so that the limitation of the longitudinal rotation function is avoided, and the height of the center of the pin shaft 7 can be adjusted by adjusting the vertical sizes of the upper lug plate 6 and the lower lug plate 9 to realize the hinging function. Further preferably, the whole body of the upper ear plate 6 and the lower ear plate 9 after being overlapped is in a bilateral symmetry structure, so that the pin shaft 7 and the ear plates are prevented from being in an eccentric stress state.
The utility model discloses in go up otic placode 6 and bear the pulling force when the support is pulled, also act as horizontal fixing support's limiting plate simultaneously, can also adapt to the horizontal activity of support through changing the clearance 14 between otic placode 6 and the lower plate 13. Specifically, referring to fig. 5, in order to adapt to the transverse movable support, a gap 14 is formed between the upper lug plate 6 and the lower seat plate 13, and the guide friction pair 4 is not arranged, the size of the gap 14 between the upper lug plate 6 and the lower seat plate 13 is the support transverse allowable displacement d, and the size of the support transverse displacement is adapted by changing the size of the gap 14 between the upper lug plate 6 and the lower seat plate 13; referring to fig. 1, in order to adapt to the transverse fixed support, a guide friction pair 4 is arranged between the upper ear plate 6 and the lower seat plate 13, so that the transverse displacement of the support is limited.
To sum up, the utility model discloses following beneficial effect has:
(1) compared with the common support which only bears pressure, the utility model adds the tensile devices on the two sides of the support, which can effectively resist the tension and torque of the bridge;
(2) the utility model can keep the original function of the support, the stretching resistance device is arranged at the two sides of the support, the longitudinal bending moment can be effectively released by adopting bolting, the hinging performance of the support is kept unchanged, and the longitudinal and transverse activities of the support can be adapted by arranging the long round hole and changing the gap 14 between the upper ear plate and the lower support;
(3) compared with a common tensile support, the utility model combines the advantages of the common support and the tensile support, and has the advantages of small size, material saving, simple structure, low cost, strong damping capacity and strong practicability;
(4) the utility model discloses all kinds of bridge structures such as novel rail transit such as high-intensity earthquake district, pedestrian overpass, straddle type single track, yunba, suspension type single track can be applicable to.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a bridge beam supports with tensile function, bridge beam supports is the ball-type support, including last bedplate, well bedplate, lower bedplate and the bed plate that from top to bottom sets gradually, its characterized in that: the equal downwardly extending in both sides of going up the bedplate is provided with the otic placode, the both sides of bed plate all upwards extend and are provided with the lower otic placode corresponding with last otic placode, the otic placode is located corresponding last otic placode outside and the overlap of the two part down, be equipped with first pinhole on the upper otic placode, be equipped with the second pinhole corresponding with first pinhole down on the otic placode, be equipped with the bolt hole corresponding with first pinhole and second pinhole down on the bed plate, bridge bearing still includes that the level passes second pinhole and first pinhole in proper order and twists the round pin axle of corresponding bolt hole.
2. The bridge bearing with tensile function of claim 1, wherein: the pin shaft and the upper end of the first pin hole are provided with a certain gap.
3. The bridge bearing with tensile function of claim 2, wherein: the first pin hole is a round hole, and the diameter of the first pin hole is slightly larger than that of the pin shaft.
4. The bridge bearing with tensile function of claim 2, wherein: the first pin hole is a horizontal long round hole, and the vertical inner diameter of the first pin hole is slightly larger than that of the pin shaft.
5. The bridge bearing with tensile function of claim 1, wherein: and the pin shaft is tightly propped against the lower part of the second pin hole.
6. The bridge bearing with tensile function of claim 5, wherein: the second pin hole is a round hole, the diameter of the round hole is matched with that of a pin shaft, and the pin shaft and the second pin hole are screwed and fixedly connected.
7. The bridge bearing with tensile function of claim 1, wherein: the axis height of the pin shaft is consistent with the rotation center height of the bridge support friction pair.
8. The bridge bearing with tensile function of claim 1, wherein: the whole body of the upper ear plate and the lower ear plate after being overlapped is in a bilateral symmetry structure.
9. The bridge bearing with tensile function of claim 1, wherein: and a gap is reserved between the upper ear plate and the lower seat plate.
10. The bridge bearing with tensile function of claim 1, wherein: and a guide friction pair is arranged between the upper ear plate and the lower seat plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022600300.7U CN214656314U (en) | 2020-11-12 | 2020-11-12 | Bridge support with tensile function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022600300.7U CN214656314U (en) | 2020-11-12 | 2020-11-12 | Bridge support with tensile function |
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| Publication Number | Publication Date |
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| CN214656314U true CN214656314U (en) | 2021-11-09 |
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| CN202022600300.7U Active CN214656314U (en) | 2020-11-12 | 2020-11-12 | Bridge support with tensile function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112301880A (en) * | 2020-11-12 | 2021-02-02 | 中铁第四勘察设计院集团有限公司 | Bridge support with tensile function |
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2020
- 2020-11-12 CN CN202022600300.7U patent/CN214656314U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112301880A (en) * | 2020-11-12 | 2021-02-02 | 中铁第四勘察设计院集团有限公司 | Bridge support with tensile function |
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