CN214497155U - Bridge expansion joint support leveling component - Google Patents
Bridge expansion joint support leveling component Download PDFInfo
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- CN214497155U CN214497155U CN202120405541.8U CN202120405541U CN214497155U CN 214497155 U CN214497155 U CN 214497155U CN 202120405541 U CN202120405541 U CN 202120405541U CN 214497155 U CN214497155 U CN 214497155U
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Abstract
The utility model discloses a bridge expansion joint support leveling component, which comprises an adjusting ball I, a fulcrum ball II and an adjusting ball III, wherein the lower part of the fulcrum ball II is fixedly connected with a support column, the support column is fixedly connected with a horizontal plate, a horizontal threaded rod I and a horizontal threaded rod II, and gaskets and fastening nuts are arranged on two sides of the adjusting ball I and the adjusting ball III; vertical reinforcing steel bars are embedded in the bottom surface of the main bridge, the vertical reinforcing steel bars are used for binding transverse reinforcing steel bars, horizontal threaded rods I and II and longitudinal reinforcing steel bars, and lifting lugs are embedded in the top surface of the horizontal plate. The utility model adjusts the gradient by adjusting the distance between the adjusting ball I and the adjusting ball III, has wider angle adjusting range and micro-adjusting function, can adapt to bridges with different gradients, and is particularly suitable for supporting and leveling the joint of the butt joint of two bridges with different gradients; the pouring structure of accessible reinforced concrete improves the holding power, also can guarantee more stable holding power when two sets of bridges stretch out and draw back, is convenient for exert balanced and stable pressure to rubber support.
Description
Technical Field
The utility model relates to a bridge construction technical field especially relates to a bridge expansion joint department support leveling component.
Background
The leveling steel plate embedded in the beam bottom is used for leveling as the name suggests, and is generally used for the beam bottom of a sloping highway subgrade or a sea-crossing bridge. According to the requirements of road planning, the bridge may have a longitudinal slope and a transverse slope, and the bottom surface of the beam body is not horizontal under the use condition, so that the beam bottoms at two ends of the beam body are required to be leveled, and the beam bottoms and the support are ensured to be horizontally touched.
The function of the beam bottom wedge-shaped leveling steel plate is as follows: according to the road planning requirement, the bridge has a longitudinal slope and a transverse slope, and the bottom surface of the beam body is not horizontal under the use condition, so that the beam bottoms at two ends of the bridge are required to be leveled, and the beam bottoms and the support are ensured to be horizontally touched. In order to adapt to the inclination of the bridge deck, the main beam body also has inclination along the longitudinal direction, and the main beam body has inclination at the support, which is not beneficial to the force transmission of the support, so that the main beam body needs to be adjusted to be horizontal and can be completely touched with the support.
However, the existing wedge-shaped leveling steel plate still has the defects of single angle, incapability of fine adjustment, unstable pre-embedded structure, difficulty in control in the installation process and the like, and needs to be improved urgently. Especially, when meeting the joint of two sets of bridge butt joints, the angle fine adjustment of the beam bottom wedge-shaped leveling steel plates adjacent to the two sides of the joint is particularly important, and the requirement cannot be met by adopting the traditional wedge-shaped leveling steel plates.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a support leveling component at a bridge expansion joint.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a bridge expansion joint support leveling member comprises an adjusting ball I and an adjusting ball III which are sequentially contacted with the bottom surface of a main bridge, a fulcrum ball II is arranged between the adjusting ball I and the adjusting ball III, the center of the fulcrum ball II is positioned at the transverse center line of the main bridge, the center of the adjusting ball I and the center of the adjusting ball III are positioned at the same horizontal height, the radius of the adjusting ball I is 1.2-3.6 times that of the adjusting ball III, the horizontal height of the center of the fulcrum ball II is larger than that of the adjusting ball I, and the radius of the adjusting ball III is 2-2.5 times that of the fulcrum ball II;
the lower part of the fulcrum ball II is fixedly connected with a support column, the bottom end of the support column is fixedly connected with a horizontal plate, two symmetrical side walls of the support column are respectively fixedly connected with a horizontal threaded rod I and a horizontal threaded rod II, the center of the adjusting ball I is sleeved on the horizontal threaded rod I through threads, two sides of the adjusting ball I are respectively provided with a gasket, one side of the gasket, which is far away from the adjusting ball I, is contacted with a fastening nut, one side of the gasket, which is close to the adjusting ball I, is a cambered surface, one side of the gasket, which is close to the fastening nut, is a plane, the center of the adjusting ball III is sleeved on the horizontal threaded rod II through threads, and two sides of the adjusting ball III are also respectively provided with a gasket and a fastening nut;
vertical steel bars are pre-buried in the bottom surface of the main bridge, the vertical steel bars are required to stagger the positions of the adjusting ball I, the fulcrum ball II and the adjusting ball III, translation adjusting spaces of the adjusting ball I and the adjusting ball III are reserved, transverse steel bars are bound along the vertical steel bars which are transversely arranged in a row on the main bridge, a horizontal threaded rod I and a horizontal threaded rod II are also bound on the vertical steel bars in the row, longitudinal steel bars are also bound at the corner where the vertical steel bars are connected with the transverse steel bars, longitudinal steel bars are also bound at the corner where the horizontal threaded rod I and the horizontal threaded rod II are connected with the adjacent vertical steel bars, two sides of each support column are respectively bound on the adjacent transverse steel bars, and the longitudinal steel bars are also bound at the corner where the support columns are connected with the transverse steel bars;
horizontal plate top surface and bottom surface all are parallel with the horizontal plane, the pre-buried lug that has of horizontal plate top surface, require the lug to stagger regulation ball I, support column and regulation ball III's position, and reserve the translation adjustment space of regulation ball I and regulation ball III, the horizontal reinforcing bar cross-under and the ligature that are located the bottommost are in the lug that transversely becomes one line along the main bridge, the support column, horizontal threaded rod I, horizontal threaded rod II, vertical reinforcement, horizontal reinforcement, vertical reinforcement and lug constitute the integrative steel bar truss structure of ligature, it has the concrete placement layer to fill in the inside space of steel bar truss structure.
Preferably, the concrete cast layer is in particular C50 basalt fibre concrete.
Preferably, the horizontal threaded rod I and the horizontal threaded rod II are both tapped twisted steel.
Preferably, the anti-skid pads are laid and adhered on the bottom surface of the main bridge, are convenient to contact and position with the adjusting ball I, the fulcrum ball II and the adjusting ball III, and can play a role in skid resistance when the angle is adjusted.
Preferably, the top surface of the horizontal plate is subjected to a flattening treatment, so that the friction force is increased, and the bonding with the concrete pouring layer is facilitated.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model utilizes the adjusting ball I and the adjusting ball III with two different diameters, and sets the supporting point ball II between the two, adjusts the gradient by adjusting the distance between the adjusting ball I and the adjusting ball III, compared with the installation structure of the existing wedge-shaped steel plate, the angle adjusting range of the utility model is wider, and the utility model has a micro-adjusting function, can adapt to bridges with different gradients, and is particularly suitable for the supporting and leveling of the joint of the butt joint of the bridges with two different gradients; the pouring structure of accessible reinforced concrete improves the holding power, also can guarantee more stable holding power when two sets of bridges stretch out and draw back, is convenient for exert balanced and stable pressure to rubber support.
Drawings
FIG. 1 is a schematic structural view of a wedge-shaped steel plate member for leveling a support at a butt expansion joint of two bridges in the prior art;
fig. 2 is a schematic view of an internal structure of a support leveling member at a bridge expansion joint according to the present invention;
in the figure: the main bridge comprises a main bridge 1, an adjusting round ball I2, a fulcrum round ball II3, an adjusting round ball III4, a support column 5, a horizontal plate 6, a horizontal threaded rod I7, a horizontal threaded rod II8, a gasket 9, a fastening nut 10, a vertical steel bar 11, a transverse steel bar 12, a longitudinal steel bar 13, a lifting lug 14, a concrete pouring layer 15 and an anti-skid pad 16.
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.
Fig. 1 is a schematic structural diagram of a wedge-shaped steel plate member for leveling a support at two common bridge butt-joint expansion joints in the prior art, and it can be seen that a bar planting structure of the wedge-shaped steel plate is unstable and has no fine adjustment function, and the installation is more difficult if two groups of bridges have differences in gradient.
Therefore the utility model discloses try to adopt a bearing structure that can finely tune the trim gradient to adopt reinforced concrete structure to support the leveling component. As shown in fig. 2, a bridge expansion joint support leveling member comprises an adjusting ball I2 and an adjusting ball III4 which are sequentially contacted with the bottom surface of a main bridge 1, a fulcrum ball II3 is arranged between the adjusting ball I2 and the adjusting ball III4, the center of the fulcrum ball II3 is located at the transverse center line of the main bridge 1, the center of the adjusting ball I2 and the center of the adjusting ball III4 are located at the same horizontal height, the radius of the adjusting ball I2 is 1.2-3.6 times the radius of the adjusting ball III4, the horizontal height of the center of the fulcrum ball II3 is larger than that of the adjusting ball I2, and the radius of the adjusting ball III4 is 2-2.5 times the radius of the fulcrum II 3; a supporting column 5 is fixedly connected to the lower portion of the supporting point ball II3, a horizontal plate 6 is fixedly connected to the bottom end of the supporting column 5, two symmetrical side walls of the supporting column 5 are fixedly connected with a horizontal threaded rod I7 and a horizontal threaded rod II8 respectively, the center of the adjusting ball I2 is sleeved on the horizontal threaded rod I7 through threads, gaskets 9 are arranged on two sides of the adjusting ball I2 respectively, one side, far away from the adjusting ball I2, of each gasket 9 is in contact with a fastening nut 10, one side, close to the adjusting ball I2, of each gasket 9 is an arc surface, one side, close to the fastening nut 10, of each gasket 9 is a plane, the center of the adjusting ball III4 is sleeved on the horizontal threaded rod II8 through threads, and two sides of the adjusting ball III4 are also provided with the gaskets 9 and the fastening nuts 10 respectively; vertical steel bars 11 are embedded in the bottom surface of the main bridge 1, the vertical steel bars 11 are required to stagger the positions of an adjusting round ball I2, a fulcrum round ball II3 and an adjusting round ball III4, a translation adjusting space of the adjusting round ball I2 and an adjusting round ball III4 is reserved, transverse steel bars 12 are bound to the vertical steel bars 11 which are transversely arranged in a line along the main bridge 1, a horizontal threaded rod I7 and a horizontal threaded rod II8 are also bound to the vertical steel bars 11 in the line, longitudinal steel bars 13 are also bound to the corners of the vertical steel bars 11 connected with the transverse steel bars 12, longitudinal steel bars 13 are also bound to the corners of the horizontal threaded rod I7 and the horizontal threaded rod II8 connected with the adjacent vertical steel bars 11, two sides of a support column 5 are respectively bound to the adjacent transverse steel bars 12, and longitudinal steel bars 13 are also bound to the corners of the support column 5 connected with the transverse steel bars 12; the top surface and the bottom surface of the horizontal plate 6 are both parallel to the horizontal plane, lifting lugs 14 are embedded in the top surface of the horizontal plate 6, the positions of adjusting round balls I2, supporting columns 5 and adjusting round balls III4 are required to be staggered by the lifting lugs 14, a translation adjusting space of the adjusting round balls I2 and adjusting round balls III4 is reserved, transverse steel bars 12 located at the bottommost part are connected in a penetrating mode and bound in the lifting lugs 14 which are transversely arranged in a row along the main bridge 1, the supporting columns 5, the horizontal threaded rods I7, the horizontal threaded rods II8, the vertical steel bars 11, the transverse steel bars 12, the longitudinal steel bars 13 and the lifting lugs 14 form a binding integrated steel bar truss structure, and a concrete pouring layer 15 is filled in an inner gap of the steel bar truss structure.
Referring to fig. 2, the concrete cast layer 15 is specifically C50 basalt fiber concrete.
Referring to fig. 2, the horizontal threaded rod I7 and the horizontal threaded rod II8 are both threaded reinforcing bars that are tapped.
Referring to fig. 2, the antiskid mat 16 is laid and adhered on the bottom surface of the main bridge 1, is convenient to contact and position with the adjusting ball I2, the fulcrum ball II3 and the adjusting ball III4, and can play an antiskid role when adjusting the angle.
Referring to fig. 2, the top surface of the horizontal plate 6 is subjected to a leveling process to increase friction and facilitate bonding with the concrete cast layer 15.
The utility model discloses an installation: firstly, pre-burying vertical steel bars 11 and lifting lugs, and cutting off the bottom ends of the vertical steel bars 11 to enable the bottom ends of the vertical steel bars 11 to be basically level; determining the positions of the fulcrum ball II3 and the support pillar 5, binding the horizontal threaded rod I7 and the horizontal threaded rod II8 on the pre-embedded vertical steel bar 11, rotating the adjusting ball I2 and the adjusting ball III4 to enable the contact pressure of the bottom surface of the main bridge 1 and the contact pressure of the adjusting ball I2 and the adjusting ball III4 to be basically the same, and fastening the mounting gasket 9 and the fastening nut 10 to finish the angle adjustment; sequentially binding a support pillar 5, a horizontal threaded rod I7, a horizontal threaded rod II8, a vertical steel bar 11, a transverse steel bar 12, a longitudinal steel bar 13 and a lifting lug 14; after the steel bar truss structure is installed, a template is arranged between the bottom surface of the main bridge 1 and the horizontal plate 6, a pouring opening is formed, pouring is carried out, after maintenance and forming, the template is disassembled to obtain a concrete pouring layer 15, and the concrete pouring layer 15 bonds the bottom surface of the main bridge 1 and the horizontal plate 6 together to obtain a relatively stable reinforced concrete supporting structure; the pouring structure of accessible reinforced concrete improves the holding power, also can guarantee more stable holding power when two sets of bridges stretch out and draw back, is convenient for exert balanced and stable pressure to rubber support.
The utility model discloses an application scope one: when the bridge has only a longitudinal or transverse slope, a plurality of groups of parallel adjusting round balls I2, pivot round balls II3 and adjusting round balls III4 can be arranged on the bottom surface of the main bridge 1 to further increase the stability of angle adjustment and increase the distribution uniformity of supporting force.
The utility model discloses an application scope two: when the bridge has longitudinal and transverse slopes, a fulcrum ball II and a support column can be arranged on the bottom surface of the main bridge, horizontal threaded rods can be arranged on four side surfaces of the support column, and adjusting balls (which can be marked as adjusting balls I, II, III and IV) are respectively arranged on the four horizontal threaded rods according to the slope distribution.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. A bridge expansion joint support leveling member is characterized by comprising an adjusting ball I (2) and an adjusting ball III (4) which are sequentially contacted with the bottom surface of a main bridge (1), wherein a fulcrum ball II (3) is arranged between the adjusting ball I (2) and the adjusting ball III (4), the circle center of the fulcrum ball II (3) is located at the transverse center line of the main bridge (1), the circle center of the adjusting ball I (2) and the circle center of the adjusting ball III (4) are located at the same horizontal height, the radius of the adjusting ball I (2) is 1.2-3.6 times of the radius of the adjusting ball III (4), the horizontal height of the circle center of the fulcrum ball II (3) is greater than that of the adjusting ball I (2), and the radius of the adjusting ball III (4) is 2-2.5 times of the radius of the fulcrum ball II (3);
a supporting column (5) is fixedly connected with the lower part of the supporting point ball II (3), a horizontal plate (6) is fixedly connected with the bottom end of the supporting column (5), two symmetrical side walls of the support column (5) are fixedly connected with a horizontal threaded rod I (7) and a horizontal threaded rod II (8) respectively, the center of the adjusting sphere I (2) is sleeved on the horizontal threaded rod I (7) through threads, and the two sides of the adjusting ball I (2) are respectively provided with a gasket (9), one side of the gasket (9) far away from the adjusting ball I (2) is contacted with a fastening nut (10), one side of the gasket (9) close to the adjusting ball I (2) is an arc surface, one side of the gasket (9) close to the fastening nut (10) is a plane, the center of the adjusting sphere III (4) is sleeved on the horizontal threaded rod II (8) through threads, a gasket (9) and a fastening nut (10) are respectively arranged on two sides of the adjusting sphere III (4);
vertical steel bars (11) are embedded in the bottom surface of the main bridge (1), a row of vertical steel bars (11) are bound with transverse steel bars (12) along the transverse direction of the main bridge (1), the horizontal threaded rod I (7) and the horizontal threaded rod II (8) are also bound on the row of vertical steel bars (11), longitudinal steel bars (13) are also bound at the corners where the vertical steel bars (11) are connected with the transverse steel bars (12), longitudinal steel bars (13) are also bound at the corners where the horizontal threaded rod I (7) and the horizontal threaded rod II (8) are connected with the adjacent vertical steel bars (11), two sides of the supporting column (5) are respectively bound on the adjacent transverse steel bars (12), and the corners where the supporting column (5) is connected with the transverse steel bars (12) are also bound with the longitudinal steel bars (13);
horizontal plate (6) top surface and bottom surface all are parallel with the horizontal plane, horizontal plate (6) top surface pre-buried have lug (14), are located the bottommost horizontal reinforcing bar (12) cross-under and ligature in lug (14) along main bridge (1) transversely become one row, support column (5), horizontal threaded rod I (7), horizontal threaded rod II (8), vertical reinforcing bar (11), horizontal reinforcing bar (12), longitudinal reinforcement (13) and lug (14) constitute the integrative steel bar truss structure of ligature, it has concrete placement layer (15) to fill in the inside space of steel bar truss structure.
2. The bridge expansion joint support leveling member according to claim 1, wherein the concrete pouring layer (15) is C50 basalt fiber concrete.
3. The bridge expansion joint support leveling member as claimed in claim 1, wherein the horizontal threaded rod I (7) and the horizontal threaded rod II (8) are both tapped threaded steel bars.
4. The support leveling member at the bridge expansion joint according to claim 1, wherein a non-slip mat (16) is laid and adhered on the bottom surface of the main bridge (1).
5. The bridge expansion joint support leveling member according to claim 1, wherein the top surface of the horizontal plate (6) is chiseled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120405541.8U CN214497155U (en) | 2021-02-24 | 2021-02-24 | Bridge expansion joint support leveling component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120405541.8U CN214497155U (en) | 2021-02-24 | 2021-02-24 | Bridge expansion joint support leveling component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214497155U true CN214497155U (en) | 2021-10-26 |
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ID=78221349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120405541.8U Active CN214497155U (en) | 2021-02-24 | 2021-02-24 | Bridge expansion joint support leveling component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214497155U (en) |
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2021
- 2021-02-24 CN CN202120405541.8U patent/CN214497155U/en active Active
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