CN215714693U - Variable cross-section bridge pushes away with structure of making level - Google Patents
Variable cross-section bridge pushes away with structure of making level Download PDFInfo
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- CN215714693U CN215714693U CN202122233624.6U CN202122233624U CN215714693U CN 215714693 U CN215714693 U CN 215714693U CN 202122233624 U CN202122233624 U CN 202122233624U CN 215714693 U CN215714693 U CN 215714693U
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Abstract
The utility model provides a leveling structure for pushing a variable-section bridge, which comprises a plurality of leveling units, wherein the leveling units are arranged in sequence along the longitudinal direction of the variable-section bridge, and all the leveling units are fixed at the bottom of the variable-section bridge; the I-beams are fixed on the lower end surfaces of the leveling units and are connected together, at least two I-beams are arranged, the waists of all the I-beams are vertical, and the lower end surfaces of all the I-beams are on the same horizontal plane; and the sliding groove is fixed on the pier, matched with the I-shaped steel and used for guiding and sliding the I-shaped steel. The leveling structure connects all leveling units into a whole, resists the thrust in the pushing operation together, can reduce the design weight of the leveling structure and has strong deformation resistance.
Description
Technical Field
The utility model relates to a leveling structure for pushing a variable-cross-section bridge, and belongs to the field of pushing of variable-cross-section bridges.
Background
The variable cross-section bridge has small influence on main traffic, light weight and attractive appearance, is increasingly applied to the design of highway bridges, and is limited by the influence of construction environment, a normal hoisting method cannot meet the requirements of site construction often, and a top pushing method is a good choice at the moment and needs to level the bottom of a beam body of the variable cross-section bridge and then carry out top pushing operation.
In the existing leveling structure for pushing the top of the variable-section bridge, each leveling unit is independent, a single leveling unit needs to resist the pushing force in the pushing operation independently, and the leveling unit needs to be designed to be heavy so as to achieve sufficient deformation resistance.
SUMMERY OF THE UTILITY MODEL
The utility model provides a leveling structure for pushing a variable-section bridge in order to solve the problems, and aims to provide the leveling structure for pushing the variable-section bridge, which comprises the following steps: the leveling structure connects all leveling units into a whole, resists the thrust in the pushing operation together, can reduce the design weight of the leveling structure and has strong deformation resistance.
The utility model provides a leveling structure for pushing a variable-section bridge, which comprises,
the leveling units are arranged in sequence along the transverse direction of the variable cross-section bridge, and all the leveling units are fixed at the bottom of the variable cross-section bridge;
the I-beams are fixed on the lower end surfaces of the leveling units and are connected together, at least two I-beams are arranged, the waists of all the I-beams are vertical, and the lower end surfaces of all the I-beams are on the same horizontal plane;
and the sliding groove is fixed on the pier, matched with the I-shaped steel and used for guiding and sliding the I-shaped steel.
Further, in order to keep the leveling unit light and stable, the leveling unit is a vertically arranged rectangular frame.
Furthermore, in order to keep the stress of the variable-section bridge uniform, two I-shaped steels are arranged and are respectively arranged at two ends of the lower bottom edge of the leveling unit.
Furthermore, in order to enhance the deformation resistance of the leveling unit, a transverse inclined strut is arranged on a diagonal line of the leveling unit.
Furthermore, in order to strengthen the deformation resistance of the combination of the leveling units, the lower bottom edges of two adjacent leveling units are connected through a bottom inclined supporting rod, and the two lower bottom edges and the bottom inclined supporting rod form a Z shape.
Furthermore, in order to enable two adjacent bottom inclined supporting rods to form two sides of a triangle and form a stable triangle with other structural members, the bottom inclined supporting rods are connected in series and form a broken line.
Furthermore, in order to enhance the deformation resistance of the combination of the leveling units, two adjacent side edges on the same side of the leveling units are connected through an oblique web member, and the two side edges and the oblique web member form a Z shape.
Furthermore, in order to enable two adjacent oblique web members to form two sides of a triangle and form a stable triangle with other structural members, the oblique web members are connected in series to form a broken line.
Furthermore, in order to enhance the torsion resistance of two adjacent leveling units, two oblique web members are connected between the two adjacent leveling units.
Furthermore, in order to ensure that the leveling unit has high structural strength and strong torsion resistance, the leveling unit comprises four node buckles at the vertex position of the rectangular frame; the node buckle comprises an angle steel plate, and a rib plate perpendicular to two planes of the angle steel plate is fixedly welded on the angle steel plate within a right-angle included angle formed by the two planes of the angle steel plate; in the same unit of making level, all gusset are in the coplanar, and the right angle contained angle that two planes of all angle steel boards are constituteed is towards this inboard of the unit of making level, and the planar both sides in gusset place all set up two cross-connect boards and two perpendicular connecting plates that connect into the rectangle with four node lock.
Furthermore, in order to ensure that the leveling unit is reliably connected with the bridge and is convenient to disassemble, the node buckle is connected with the bottom of the bridge by an anchor bolt and a pre-embedded sleeve, and other components are connected by bolts.
The utility model has the beneficial effects that:
1. the leveling structure connects all leveling units into a whole, resists the thrust in the pushing operation together, can reduce the design weight of the leveling structure and has strong deformation resistance.
2. The leveling unit is a vertically arranged rectangular frame, so that the leveling unit keeps light weight and ensures the structural stability of the bridge.
3. The two I-shaped steels are respectively arranged at two ends of the lower bottom edge of the leveling unit, so that the uniform stress of the variable-section bridge is kept.
4. And a transverse inclined strut is arranged on a diagonal line of the leveling unit to enhance the deformation resistance of the leveling unit.
5. The lower bottom edges of two adjacent leveling units are connected through a bottom inclined supporting rod, the two lower bottom edges and the bottom inclined supporting rod form a Z shape, and the deformation resistance of the combination of the multiple leveling units is enhanced.
6. All the bottom diagonal braces are connected in series and form a folding line, so that two adjacent bottom diagonal braces can form two sides of a triangle to form a stable triangle with other structural members, and the deformation resistance is stronger.
7. Two adjacent two sides of the homonymy of unit of making level are connected through an oblique web member, and these two sides and this oblique web member constitute "Z" font, strengthen the anti deformability of the combination of a plurality of units of making level.
8. All the oblique web members are connected in series and form a folding line, so that two adjacent oblique web members can form two sides of a triangle to form a stable triangle with other structural members, and the deformation resistance is stronger.
9. The leveling unit comprises four node buckles at the vertex positions of the rectangular frame; the node buckles comprise an angle steel plate and a rib plate, the four rib plates are coplanar, two transverse connecting plates and two vertical connecting plates which connect the four node buckles into a rectangle are arranged on two sides of the plane of the four rib plates, and therefore the leveling unit is high in structural strength and strong in torsion resistance.
10. The node is buckled and is adopted crab-bolt and embedded sleeve connection at the bottom of the bridge, and other components adopt bolted connection, connect reliably, convenient dismantlement.
Drawings
FIG. 1 is a schematic left perspective view of the present invention.
Fig. 2 is a schematic front perspective view of the present invention.
Fig. 3 is a schematic bottom perspective view of the present invention.
Fig. 4 is an overall perspective view of the present invention.
Fig. 5 is a schematic view of a leveling unit of the present invention.
In the figure: 1. a leveling unit; 1-1, transverse diagonal bracing; 1-2, node buckling; 1-2-1, angle steel plate; 1-2-2 parts of rib plates; 1-3, a transverse connecting plate; 1-4, vertical connecting plates; 2. i-shaped steel; 3. a chute; 4. a bottom diagonal brace; 5. an oblique web member.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described with reference to the accompanying drawings.
The variable cross-section bridge jacking and pushing leveling structure shown in fig. 1-5 comprises,
the device comprises leveling units 1, a plurality of leveling units 1 and a plurality of leveling units, wherein the leveling units 1 are sequentially arranged along the longitudinal direction of a variable cross-section bridge, all the leveling units 1 are fixed at the bottom of a variable cross-section bridge, aiming at a steel girder bridge, the leveling units 1 are arranged at the bottom of a diaphragm of a steel girder, and the longitudinal direction of the variable cross-section bridge represents the height change direction of the lower bottom of the variable cross-section bridge;
the I-beams 2 are fixed on the lower end surfaces of the leveling units 1, all the leveling units 1 are connected together, the number of the I-beams 2 is two, the waists of all the I-beams 2 are vertical, and the lower end surfaces of all the I-beams 2 are on the same horizontal plane;
and the sliding groove 3 is fixed on the pier, matched with the I-shaped steel 2 and used for guiding and sliding the I-shaped steel 2.
Based on the above embodiment, the leveling unit 1 is a vertically arranged rectangular frame.
Based on the above embodiment, the number of the i-beams 2 is two, and the two i-beams are respectively arranged at two ends of the lower bottom edge of the leveling unit 1.
Based on the above embodiment, a transverse inclined strut 1-1 is arranged on a diagonal line of the leveling unit 1.
Based on the above embodiment, the lower bottom edges of two adjacent leveling units 1 are connected by one bottom diagonal brace 4, and the two lower bottom edges and the bottom diagonal brace 4 form a zigzag shape.
Based on the above embodiment, all the bottom diagonal braces 4 are connected in series and form a broken line.
Based on the above embodiment, two adjacent sides of the same side of the leveling unit 1 are connected by an oblique web member 5, and the two sides and the oblique web member 5 form a zigzag shape.
Based on the above embodiment, all the diagonal web members 5 are connected in series and form a broken line.
Based on the above embodiment, two oblique web members 5 are connected between two adjacent leveling units 1.
Based on the above embodiment, the leveling unit 1 comprises four node buckles 1-2 at the vertex positions of the rectangular frame; the node buckle 1-2 comprises an angle steel plate 1-2-1, a rib plate 1-2-2 perpendicular to two planes of the angle steel plate is fixedly welded on the angle steel plate 1-2-1 within a right angle included angle formed by the two planes of the angle steel plate 1-2-1; in the same leveling unit 1, all the rib plates 1-2-2 are positioned on the same plane, a right angle included angle formed by two planes of all the angle steel plates 1-2-1 faces the inner side of the leveling unit 1, and two transverse connecting plates 1-3 and two vertical connecting plates 1-4 which connect the four node buckles 1-2 into a rectangle are arranged on two sides of the plane where the rib plates 1-2-2 are positioned. The node buckles 1-2 are connected with the embedded sleeve of the bridge bottom plate through anchor bolts, and other components are connected through bolts. The cross slope of the bottom plate of the bridge is adjusted through the opening height of the bolt on the rib plate 1-2-2, so that the leveling unit 1 is a vertically arranged rectangular frame.
Based on the above embodiment, the i-steel 2 includes two channel steels connected back to back and a connecting steel plate fixedly connected to the lower end faces of the two channel steels, the bottom diagonal brace 4, the oblique web member 5 and the transverse connecting plates 1 to 3 are all steel angles, the transverse diagonal brace 1 to 1 is a cross-shaped steel bar formed by welding the two steel angles, and the vertical connecting plates 1 to 4 and the sliding grooves 3 are channel steels.
The leveling structure is suitable for straight line pushing operation and curve pushing operation, when the bridge is a bridge with curvature in the horizontal direction, the I-shaped steel 2 and the sliding groove 3 are selected to be suitable for curvature bending according to construction operation conditions, and all leveling units 1 form a combination body with certain curvature according to the construction operation conditions.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a variable cross section bridge pushes away with structure of making level which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the device comprises leveling units (1), a plurality of leveling units and a plurality of leveling units, wherein the leveling units (1) are arranged in sequence along the longitudinal direction of a variable cross-section bridge, and all the leveling units (1) are fixed at the bottom of the variable cross-section bridge;
the lower end faces of the leveling units (1) are fixed, all the leveling units (1) are connected together, at least two I-beams (2) are arranged, waists of all the I-beams (2) are vertical, and the lower end faces of all the I-beams (2) are on the same horizontal plane;
and the sliding groove (3) is fixed on the pier, matched with the I-shaped steel (2) and used for guiding and sliding the I-shaped steel (2).
2. The variable cross-section bridge pushes away with leveling structure according to claim 1, characterized in that: the leveling unit (1) is a vertically arranged rectangular frame.
3. The variable cross-section bridge pushes away with leveling structure according to claim 2, characterized in that: the number of the I-shaped steel (2) is two, and the two I-shaped steel are respectively arranged at two ends of the lower bottom edge of the leveling unit (1).
4. The variable cross-section bridge pushes away with leveling structure according to claim 2, characterized in that: a transverse inclined strut (1-1) is arranged on a diagonal line of the leveling unit (1).
5. The variable cross-section bridge pushes away with leveling structure according to claim 2, characterized in that: the lower bottom edges of two adjacent leveling units (1) are connected through a bottom inclined stay bar (4), and the two lower bottom edges and the bottom inclined stay bar (4) form a Z shape.
6. The variable cross-section bridge pushes away with leveling structure according to claim 5, characterized in that: all the bottom inclined supporting rods (4) are connected in series and form a broken line.
7. The variable cross-section bridge pushes away with leveling structure according to claim 2, characterized in that: two adjacent sides of the same side of the leveling units (1) are connected through an oblique web member (5), and the two sides and the oblique web member (5) form a Z shape.
8. The variable cross-section bridge pushes away with leveling structure according to claim 7, characterized in that: all the oblique web members (5) are connected in series and form a broken line.
9. The leveling structure for pushing the variable-section bridge according to any one of claims 2 to 8, wherein: the leveling unit (1) comprises four node buckles (1-2) at the vertex positions of the rectangular frame; the node buckle (1-2) comprises an angle steel plate (1-2-1), a rib plate (1-2-2) perpendicular to two planes of the angle steel plate is fixedly welded on the angle steel plate (1-2-1) within a right-angle included angle formed by the two planes of the angle steel plate (1-2-1); in the same leveling unit (1), all rib plates (1-2-2) are positioned on the same plane, a right-angle included angle formed by two planes of all angle steel plates (1-2-1) faces towards the inner side of the leveling unit (1), and two transverse connecting plates (1-3) and two vertical connecting plates (1-4) which connect the four node buckles (1-2) into a rectangle are arranged on two sides of the plane where the rib plates (1-2-2) are positioned.
10. The variable cross-section bridge pushes away with leveling structure according to claim 9, characterized in that: the node buckles (1-2) are connected with sleeves embedded in the lower bottom of the bridge through anchor bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122233624.6U CN215714693U (en) | 2021-09-15 | 2021-09-15 | Variable cross-section bridge pushes away with structure of making level |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122233624.6U CN215714693U (en) | 2021-09-15 | 2021-09-15 | Variable cross-section bridge pushes away with structure of making level |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215714693U true CN215714693U (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122233624.6U Active CN215714693U (en) | 2021-09-15 | 2021-09-15 | Variable cross-section bridge pushes away with structure of making level |
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| CN (1) | CN215714693U (en) |
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2021
- 2021-09-15 CN CN202122233624.6U patent/CN215714693U/en active Active
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