CN219315519U - Temporary buttress structure in double lines - Google Patents

Abstract

The utility model relates to the field of road and bridge construction, and particularly discloses a temporary buttress structure in double lines, which comprises a first supporting unit for supporting one continuous beam end and a second supporting unit for supporting the other continuous beam end, wherein a connecting unit is arranged between the first supporting unit and the second supporting unit, the first supporting unit comprises two first bracket parts symmetrically arranged along the vertical central line of the longitudinal section of the continuous beam and a first connecting part positioned between the two first bracket parts, and the second supporting unit comprises two second bracket parts symmetrically arranged along the vertical central line of the longitudinal section of the continuous beam and a second connecting part positioned between the two second bracket parts. Four vertical sides of whole interim buttress structure all are consolidated in this scheme, promote the homogeneity to the tie-beam support, also promote buttress structure's whole atress ability.

Description

Temporary buttress structure in double lines

Technical Field

The utility model relates to the technical field of road and bridge construction, in particular to a temporary buttress structure in double lines.

Background

In the construction process of the highway bridge, the support piers and the continuous beams are needed to support the highway bridge, so that the highway bridge is conveniently constructed, the conventional support piers and the continuous beams are erected by adopting the brackets, the support piers are of single columnar structures, the continuous beams are supported at the tops of the support piers, and the continuous beams support the highway bridge body.

When the single-row support piers are used for supporting, the allowable stress of the support piers is smaller than that of a large-sized highway bridge body, and uneven distribution can exist at the contact positions of the two sides of the support piers and the two sides of the highway bridge body, so that the support of the support piers is not balanced and stable enough easily; meanwhile, when the support is adopted to erect the support pier, the support pier is complex in structure, the erection of the support is time-consuming and labor-consuming, the construction period is long, and the construction cost can be increased.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a temporary buttress structure in double lines, so as to solve the problem that uneven distribution may exist at the contact positions of the two sides of the buttress and the two sides of a highway bridge body when the single-row buttress is supported, and the support of the buttress is not balanced and stable enough easily.

In order to achieve the above object, the basic scheme of the present utility model is as follows: the temporary buttress structure in double lines comprises a first supporting unit for supporting one end part of the continuous beam and a second supporting unit for supporting the other end part of the continuous beam, wherein a connecting unit is arranged between the first supporting unit and the second supporting unit, the first supporting unit comprises two first bracket parts symmetrically arranged along the vertical central line of the longitudinal section of the continuous beam and first connecting parts positioned between the two first bracket parts, and the second supporting unit comprises two second bracket parts symmetrically arranged along the vertical central line of the longitudinal section of the continuous beam and second connecting parts positioned between the two second bracket parts.

The technical principle of the utility model is as follows: the first support unit formed by the two first bracket parts and the first connecting part can stably support the end part of the continuous beam; the second support unit formed by the two second bracket parts and the second connecting part can stably support the end part of the other continuous beam; simultaneously, the connection unit can strengthen the synchronism between the first support and the second support, so that four vertical side faces of the whole temporary buttress structure are reinforced, the uniformity of supporting the connection beam is further improved, and the whole stress capacity of the buttress structure is also improved.

The first supporting unit, the second supporting unit and the connecting unit are three parts, so that the assembling process and steps can be greatly reduced, and the disassembling and assembling efficiency of the temporary buttress structure in the double lines is improved.

Further, the first support portion includes two first supports of vertical setting, fixedly connected with a plurality of first link between two first supports, and the second support portion includes two second supports of vertical setting, fixedly connected with a plurality of second link between two second supports.

Through the arrangement, the two first brackets can be matched with the first connecting frame, the two second brackets can be matched with the second connecting frame, so that a double-support structure of a single first bracket part and a single second bracket part is formed, and the local pressure of the continuous beam can be shared more uniformly; simultaneously with two first support portions and two second support portions cooperation for carry out 8 column type to the junction of continuous beam and support, promote uniformity and the stability to the continuous beam junction support.

Further, the plurality of first brackets and the first connecting frame are all located on the same vertical plane, and the first connecting portion comprises a third connecting frame for connecting two opposite first brackets between two adjacent first bracket portions.

Through above-mentioned setting, the third link can promote the connection stability between two first supports.

Further, the plurality of second brackets and the second connecting frame are all located on the same vertical plane, and the second connecting portion comprises a fourth connecting frame for connecting two opposite second brackets between two adjacent second bracket portions.

Through above-mentioned setting, the fourth link can promote the connection stability between two second supports.

Further, the first bracket and the second bracket comprise an adjusting joint and a plurality of bracket standard joints, the bracket standard joints are coaxially spliced and connected, the upper ends of the bracket standard joints are spliced and connected with the adjusting joint, the axial length of the bracket standard joints is 6-10m, and the length of the adjusting joint is 0.15-4m.

Through the arrangement, the adjusting sections and the standard support sections with the corresponding lengths and the corresponding numbers can be selected according to the requirements of construction sites, and the installation efficiency of the first support and the second support is improved.

Further, the connecting unit comprises a plurality of fifth connecting frames and a plurality of connecting angle steel, the connecting angle steel is fixedly arranged on the first bracket or the second bracket, and the fifth connecting frames are connected with the connecting angle steel.

Through above-mentioned setting, the fifth link can be with carrying out stable connection between first support and the second support, and connect convenient quick.

Further, a backing plate, a cross beam and a sand box are respectively and sequentially and fixedly arranged on the top of the first bracket and the top of the second bracket from bottom to top, and the upper side of the sand box is connected with the continuous beam.

Through the arrangement, the sand box can finely adjust the supporting height of the continuous beam, and meanwhile, the pressure is stably transmitted to the temporary buttress structure in the double lines through the backing plate, the cross beam and the sand box.

Further, the first connecting frame, the second connecting frame, the third connecting frame, the fourth connecting frame and the fifth connecting frame all comprise a plurality of horizontal connecting rods and a plurality of diagonal braces, and the middle parts of the diagonal braces and the other diagonal braces can be fixedly connected.

Through above-mentioned setting, can constitute triangle-shaped's support atress structure between a plurality of bracing and first support or the second support, provide stable holding power for the continuous beam, the bracing combines with horizontal connecting rod, can promote the whole supporting property of first link, second link, third link, fourth link and fifth link.

Drawings

Fig. 1 is a schematic diagram of a structure of a temporary buttress structure in a double line in a main view direction in an embodiment of the present utility model.

Fig. 2 is a cross-sectional view at A-A in fig. 1.

FIG. 3 is an enlarged view of the structure of the matchplate, cross beam and flask of FIG. 2.

In the above figures: the continuous beam 10, the first bracket 101, the second bracket 20, the second connecting frame 201, the fourth connecting frame 202, the fifth connecting frame 30, the horizontal connecting rod 401, the diagonal brace 402, the adjusting joint 501, the bracket standard joint 502, the backing plate 601, the cross beam 602, and the sand box 603.

Detailed Description

The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.

The embodiment of the present utility model basically provides a temporary buttress structure in a double line, as shown in fig. 1, 2 and 3, including a first supporting unit supporting an end of one continuous beam 10 and a second supporting unit supporting an end of the other continuous beam 10, where a distance between the ends of the two continuous beams 10 is 3.2m, a connecting unit is disposed between the first supporting unit and the second supporting unit, the first supporting unit includes two first bracket portions symmetrically disposed along a vertical center line of a longitudinal section of the continuous beam 10 and a first connecting portion disposed between the two first bracket portions, and the second supporting unit includes two second bracket portions symmetrically disposed along a vertical center line of a longitudinal section of the continuous beam 10 and a second connecting portion disposed between the two second bracket portions.

As shown in fig. 1, the first bracket part comprises two vertically arranged first brackets 101, a plurality of first connecting frames are fixedly connected between the two first brackets 101, the plurality of first brackets 101 and the first connecting frames are all positioned on the same vertical plane, and the first connecting part comprises a third connecting frame for connecting two opposite first brackets 101 between two adjacent first bracket parts; the second bracket part comprises two vertically arranged second brackets 20, and the horizontal distance between the vertical central lines of the first bracket 101 and the second bracket 20 is 5.5m; as shown in fig. 2, the horizontal distance between two second brackets 20 in a single second bracket part is 1.05m, and the horizontal distance between two adjacent second brackets 20 in two second bracket parts is 1.8m; a plurality of second connecting frames 201 are fixedly connected between the two second brackets 20, the second brackets 20 and the second connecting frames 201 are positioned on the same vertical plane, and the second connecting parts comprise fourth connecting frames 202 which are connected between two adjacent second bracket parts and are opposite to the two second brackets 20; the connection unit comprises a plurality of fifth connection frames 30 and a plurality of connection angle steel, wherein the connection angle steel is fixedly arranged on the first bracket 101 or the second bracket 20, and the fifth connection frames 30 and the connection angle steel are fixedly connected through high-strength bolts.

As shown in fig. 1 and 2, the first, second, third, fourth and fifth connection frames 201, 202 and 30 each include a plurality of horizontal connection bars 401 and a plurality of diagonal braces 402, and the diagonal braces 402 are fixedly connected with the middle portions of the other diagonal braces 402 by bolts.

As shown in fig. 2, the first bracket 101 and the second bracket 20 respectively comprise an adjusting joint 501 and two bracket standard joints 502, a plurality of bracket standard joints 502 are coaxially spliced and connected, the upper end of each bracket standard joint 502 is spliced and connected with the adjusting joint 501, the axial length of each bracket standard joint 502 is 6m, the length of each adjusting joint 501 is 1m, meanwhile, the connection parts of each diagonal brace 402 and each connecting rod with each bracket standard joint 502 or each adjusting joint 501 are respectively provided with a connecting angle steel, a mounting base plate 601 is welded or integrally formed on each bracket standard joint 502 or each adjusting joint 501, the mounting base plates 601 and the end parts of each diagonal brace 402 or each connecting rod are fixedly connected through high-strength bolts and nuts, and each diagonal brace 402 of each two adjusting joints 501 between two adjacent first connecting frames and each second connecting frame 201 is 75 angle steel, and the length of each diagonal brace is 0.5m; the diagonal braces 402 of the two standard bracket sections 502 between the two adjacent first connecting frames and the second connecting frames 201 are also 75 angle steel, and the length is 1.05mm; the diagonal braces 402 in the fifth link 30 are also 14b channel steel and have a length of 2m; the diagonal braces 402 in the third and fourth connector frames 202 are also 20b channel steel and are 3m in length.

Meanwhile, as shown in fig. 3, a backing plate 601, a beam 602 and two sand boxes 603 are fixedly installed on the top of the first bracket 101 and the second bracket 20 from bottom to top, respectively, the upper sides of the sand boxes 603 are connected with the continuous beam 10, the two sand boxes 603 are uniformly distributed on the beam 602, and the center line spacing of the two sand boxes 603 is 1.8m.

When the double-line temporary buttress structure in the embodiment is used for mounting and bearing, after the first supporting unit formed by the first bracket 101, the first connecting frame and the third connecting frame is matched with the base plate 601, the cross beam 602 and the sand box 603, the end part of the left continuous beam 10 can be stably supported; meanwhile, after the second supporting unit formed by the second bracket 20, the second connecting frame 201 and the fourth connecting frame 202 is matched with the base plate 601, the cross beam 602 and the sand box 603, the end part of the right continuous beam 10 can be stably supported, and meanwhile, the fifth connecting frame 30 can strengthen the synchronism between the first bracket 101 and the second bracket 20, so that four vertical side faces of the whole temporary buttress structure are reinforced, and the integral stress capacity of the buttress structure is improved; meanwhile, the first, second, third, fourth and fifth connection frames 201, 202 and 30 improve the accuracy of the synchronization of the vertical positions of the first and second brackets 101 and 20 when they are installed, and also improve the connection firmness between the first, second, third, fourth and fifth connection frames 201, 202 and 30 and the first and second brackets 101 and 20.

Meanwhile, as the first bracket 101 and the second bracket 20 both comprise the adjusting joint 501 and the two bracket standard joints 502, the consistency is better and the installation efficiency is improved when the adjusting joint 501 and the bracket standard joints 502 are connected with each other; meanwhile, the first connecting frame, the second connecting frame 201, the third connecting frame, the fourth connecting frame 202 and the fifth connecting frame 30 can also be prefabricated, so that the installation of the temporary buttress structure can be directly performed, and the installation steps in the whole temporary buttress structure are reduced.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims (8)

1. The temporary buttress structure in double lines comprises a first supporting unit for supporting one end part of a continuous beam and a second supporting unit for supporting the other end part of the continuous beam, wherein a connecting unit is arranged between the first supporting unit and the second supporting unit.

2. The two-wire temporary buttress structure of claim 1, wherein said first bracket portion comprises two vertically disposed first brackets, a plurality of first connectors are fixedly connected between the two first brackets, and said second bracket portion comprises two vertically disposed second brackets, a plurality of second connectors are fixedly connected between the two second brackets.

3. The two-wire temporary buttress structure of claim 2, wherein a plurality of said first brackets and first connectors are all located on the same vertical plane, and the first connector includes a third connector connecting two opposing first brackets between adjacent two first bracket sections.

4. A two-wire temporary buttress structure according to claim 3, wherein a plurality of said second brackets and second connector brackets are each located on the same vertical plane, the second connector portion including a fourth connector bracket connecting opposing two second brackets between adjacent second bracket portions.

5. The double-line temporary buttress structure of claim 4, wherein said connection unit comprises a plurality of fifth connection frames and a plurality of connection angles, the connection angles being fixedly mounted on the first bracket or the second bracket, the fifth connection frames being connected with the connection angles.

6. The temporary buttress structure in double lines according to claim 5, wherein the first bracket and the second bracket comprise an adjusting joint and a plurality of bracket standard joints, the bracket standard joints are coaxially spliced and connected, the upper ends of the bracket standard joints are spliced and connected with the adjusting joint, the axial length of the bracket standard joints is 6-10m, and the length of the adjusting joint is 0.15-4m.

7. The temporary buttress structure in double lines according to claim 5, wherein the pad, the cross beam and the sand box are fixedly installed on the top of the first bracket and the second bracket from bottom to top respectively, and the upper side of the sand box is connected with the continuous beam.

8. The double-line middle temporary buttress structure according to claim 6, wherein the first connecting frame, the second connecting frame, the third connecting frame, the fourth connecting frame and the fifth connecting frame comprise a plurality of horizontal connecting rods and a plurality of diagonal braces, and the diagonal braces are fixedly connected with the middle parts of the other diagonal braces.

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