Large-span prestressed concrete cover beam support structure crossing newly-built bridge

Abstract

The utility model provides a large span prestressed concrete cover beam support structure crossing a newly built bridge, and relates to the technical field of bridge engineering, the large span prestressed concrete cover beam support structure comprises a first cover beam and a second cover beam, a splicing assembly is arranged between the first cover beam and the second cover beam, the splicing assembly comprises a first insertion hole, the first insertion hole is formed in the first cover beam, and the second insertion hole is formed in the second cover beam. The side, close to the first cover beam, of the second cover beam is connected with a first inserting block, the bottom of the first cover beam is connected with a first connecting block, and the bottom of the second cover beam is connected with a second connecting block. According to the utility model, the first insertion block is inserted into the first insertion hole, and the second insertion block is inserted into the second insertion hole, so that transverse splicing can be realized, and then the connecting frame is mounted and fixed, so that longitudinal splicing can be realized, and the purpose of improving the stability between the first cover beam and the second cover beam is achieved; the problem that potential safety hazards are likely to occur due to the fact that an existing splicing mode is fixed only through bolts is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge engineering technical field especially relates to a cross new bridge large -span prestressed concrete bent cap support structure. BACKGROUND

[0002] Large -span prestressed concrete bent cap is the important component for supporting the load of the upper structure in the bridge structure, it usually is located at the top of the pier, through the application of prestress, can significantly improve the crack resistance and carrying capacity of concrete, thereby satisfying the design requirement of large -span bridge.

[0003] Such as the publication number: CN220202433U, a water bath type sterilization cabinet, a bridge bent cap, including stand and bent cap assembly, bent cap assembly includes first bent cap, second bent cap, splicing block group and reinforcing rib group, stand is used to provide installation and support condition to first bent cap and second bent cap, bent cap assembly is premanufactured through factory, can be quickly spliced when bridge is built, specifically, when building bridge, through crane respectively hoist first bent cap and second bent cap and place on the stand, and through splicing block group realizes the connection fixed of first bent cap and second bent cap, finally construction worker again utilizes tool and fixes reinforcing rib group at first bent cap and second bent cap bottom, strengthens and fixes to first bent cap and second bent cap splicing place, namely completes the installation of bent cap, compared with the traditional on -the -spot pouring production bent cap, saves the time of waiting for bent cap to be fixed, improves the construction efficiency of bridge.

[0004] The patent saves the time of waiting for bent cap to be fixed, improves the construction efficiency of bridge, but the existing bent cap is only through the fixed mode of bolt when splicing, under the action of long -term load and environmental factors, the bolt can be loose or failure, lead to bent cap connection not firm, influence the overall stability and safety of bridge, therefore, we proposed a new kind of cross new bridge large -span prestressed concrete bent cap support structure. Utility model content

[0005] The utility model mainly provides a kind of firmness structure that can improve bridge splicing.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a kind of new bridge large-span prestressed concrete bent cap support structure across, including first bent cap and second bent cap, splicing component is arranged between the first bent cap and second bent cap, the splicing component includes first jack, the first jack is opened in the inside of first bent cap, first bent cap is connected with first plug on the side close to first bent cap, the bottom of first bent cap is connected with first connecting block, the bottom of second bent cap is connected with second connecting block, the bottom of first connecting block and the bottom of second connecting block are connected with sliding block, second jack is opened in the inside of first connecting block, second connecting block is connected with second plug on the side close to first connecting block, the bottom of first connecting block and second connecting block is connected with connecting frame, sliding slot is opened in the bottom of both sides of connecting frame, and four groups of lengthening bolts are inserted into both sides of connecting frame.

[0007] Preferably, the position and size of the first jack are matched with the position and size of the first plug, and the first jack and the first plug are connected by insertion, so that the first bent cap and the second bent cap can be spliced.

[0008] Preferably, the position and size of the second jack are matched with the position and size of the second plug, and the second jack and the second plug are connected by insertion, so that the stability during splicing can be improved by the second jack and the second plug.

[0009] Preferably, the bottom surface of the sliding block is matched with the inner wall of the sliding slot, and the sliding block and the sliding slot are connected by sliding, so that the first bent cap and the second bent cap can be spliced longitudinally, and the firmness of the connection can be further enhanced by cooperating with the insertion connection.

[0010] Preferably, the bottom of the first bent cap and the second bent cap is connected with a stand column, and the bottom of both sides of the connecting frame is connected with a reinforcing component, and the stand column is mainly used for supporting the first bent cap and the second bent cap.

[0011] Preferably, the reinforcing component includes a support frame, and the upper and lower ends of the support frame are provided with slot holes, so that the support frame can support the first bent cap and the second bent cap.

[0012] Preferably, the inside of the two groups of slot holes is inserted with a fixing bolt, so that the support frame can be disassembled and installed by the fixing bolt.

[0013] Compared with the prior art, the utility model has the advantages and positive effects that,

[0014] 1. The utility model discloses a first plug block is inserted into the first jack, and the second plug block is inserted into the second jack, can realize transverse splicing, then install and fix the connecting frame again, can realize longitudinal splicing, thereby reach the purpose of improving the stability between the first bent cap and the second bent cap, avoid the existing splicing mode only through bolt fixed and easily appear the problem of potential safety hazard.

[0015] 2. The utility model discloses a supporting frame can improve the firmness after splicing the first bent cap and the second bent cap, and further improve the stability during splicing. ACCURACY OF DRAWINGS

[0016] Figure 1 A three-dimensional structure schematic diagram of the utility model is provided for the cross new bridge large span prestressed concrete bent cap support structure;

[0017] Figure 2 Another angle structure schematic diagram of the utility model is provided for the cross new bridge large span prestressed concrete bent cap support structure;

[0018] Figure 3 The first explosion structure schematic diagram of the utility model is provided for the cross new bridge large span prestressed concrete bent cap support structure;

[0019] Figure 4 The second explosion structure schematic diagram of the utility model is provided for the cross new bridge large span prestressed concrete bent cap support structure.

[0020] Legend: 1, first bent cap; 2, second bent cap; 3, splicing assembly; 301, first jack; 302, first plug block; 303, first connecting block; 304, second connecting block; 305, second plug block; 306, second jack; 307, connecting frame; 308, sliding slot; 309, sliding block; 310, lengthening bolt; 4, reinforcing assembly; 401, supporting frame; 402, slot hole; 403, fixed bolt. DETAILED DESCRIPTION

[0021] In order to more clearly understand the above purpose, features and advantages of the utility model, the utility model is further explained below in combination with the drawings and examples. It should be explained that the examples and features in the examples of the application can be combined with each other without conflict.

[0022] In the following description, a lot of specific details are set forth in order to facilitate a full understanding of the utility model, but the utility model can also be implemented in other ways different from the description, therefore, the utility model is not limited to the specific examples disclosed in the following disclosure.

[0023] Please refer to Figures 1-3The utility model provides a technical scheme: a kind of large-span prestressed concrete bent cap support structure across newly-built bridge, including first bent cap 1 and second bent cap 2, first bent cap 1 and second bent cap 2 between being provided with splicing component 3, splicing component 3 includes first jack 301, first jack 301 is opened in the inside of first bent cap 1, first bent cap 1 side close to first bent cap 1 is connected with first plug block 302, the bottom of first bent cap 1 is connected with first connecting block 303, the bottom of second bent cap 2 is connected with second connecting block 304, the bottom of first connecting block 303 and the bottom of second connecting block 304 are connected with sliding block 309, the inside of first connecting block 303 is opened with second jack 306, second connecting block 304 side close to first connecting block 303 is connected with second plug block 305, the bottom of first connecting block 303 and second connecting block 304 is connected with connecting frame 307, the bottom of both sides of connecting frame 307 is opened with sliding slot 308, and both sides of connecting frame 307 are inserted with four groups of lengthening bolt 310.

[0024] As Figure 3 Indicated, the position and size of first jack 301 match the position and size of first plug block 302, and the first jack 301 and the first plug block 302 form a plug-in connection, and the plug-in connection of the first jack 301 and the first plug block 302 can splice the first bent cap 1 and the second bent cap 2.

[0025] As Figure 2 Indicated, the position and size of second jack 306 match the position and size of second plug block 305, and the second jack 306 and the second plug block 305 form a plug-in connection, so that the stability during splicing can be improved by the second jack 306 and the second plug block 305.

[0026] As Figure 2 And Figure 3 Indicated, the bottom surface of sliding block 309 is attached to the inner wall of sliding slot 308, and the sliding block 309 and the sliding slot 308 form a sliding connection, and the sliding block 309 and the sliding slot 308 can realize longitudinal splicing, and the plug-in connection can further enhance the firmness of connection.

[0027] As Figure 4 Indicated, the bottom of first bent cap 1 and second bent cap 2 is connected with stand, and the bottom of both sides of connecting frame 307 is connected with reinforcing component 4, and the stand is mainly used for supporting first bent cap 1 and second bent cap 2.

[0028] As Figure 1 And Figure 4 Indicated, reinforcing component 4 includes support frame 401, and the upper and lower ends of support frame 401 are provided with slot hole 402, and support frame 401 can play a supporting role for first bent cap 1 and second bent cap 2.

[0029] AsFigure 1 and Figure 4 As shown in the figure, the inner part of the two groups of slots 402 are inserted with fixing bolts 403, through which the dismounting and mounting of the support frame 401 can be realized.

[0030] The use method and working principle of the device: when the first cover beam 1 and the second cover beam 2 are spliced, the first plug block 302 of the second cover beam 2 is aligned with the first plug hole 301, and the first plug block 302 is inserted into the first plug hole 301, at this time the second plug block 305 is also inserted into the second plug hole 306, at this time the temporary splicing of the first cover beam 1 and the second cover beam 2 is completed, then the sliding groove 308 of the connecting frame 307 is aligned with the two groups of sliding blocks 309, and the sliding installation is carried out, so that the horizontal and vertical fixation of the first cover beam 1 and the second cover beam 2 is completed, finally the eight groups of lengthened bolts 310 are respectively screwed with the first connecting block 303 and the second connecting block 304 after penetrating through the connecting frame 307 from both sides, so as to achieve the purpose of improving the stability between the first cover beam 1 and the second cover beam 2, avoiding the problem that the existing splicing method is only fixed by bolts and is easy to cause safety hazards, after the splicing is completed, the two groups of support frames 401 can be installed at the bottom of both sides of the connecting frame 307, and the fixing bolts 403 are screwed with the connecting frame 307 after penetrating through the slots 402, and the bottom is fixed with the stand column, so as to further improve the stability during splicing.

[0031] The above is only the preferred embodiment of the present application, and is not limited to other forms of the present application, any skilled person in the art can change or modify the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made according to the technical essence of the present application to the above embodiments still belongs to the protection scope of the present application.

Claims

1. A large-span prestressed concrete bent cap support structure across a newly-built bridge, comprising a first bent cap (1) and a second bent cap (2), characterized in that: A splicing assembly (3) is arranged between the first cover beam (1) and the second cover beam (2); The splicing assembly (3) comprises a first insertion hole (301) arranged in the first cover beam (1), a first insertion block (302) connected to the side of the second cover beam (2) close to the first cover beam (1), a first connecting block (303) connected to the bottom of the first cover beam (1), a second connecting block (304) connected to the bottom of the second cover beam (2), a sliding block (309) connected to the bottom of the first connecting block (303) and the second connecting block (304), a second insertion hole (306) arranged in the first connecting block (303), a second insertion block (305) connected to the side of the second connecting block (304) close to the first connecting block (303), and a connecting frame (307) connected to the bottom of the first connecting block (303) and the second connecting block (304), wherein the bottom of the connecting frame (307) is provided with a sliding groove (308) on both sides, and four groups of lengthened bolts (310) are inserted into both sides of the connecting frame (307).

2. The large-span prestressed concrete bent cap support structure for a newly-built bridge according to claim 1, characterized in that: The first insertion hole (301) is matched with the first insertion block (302) in position and size, and the first insertion hole (301) and the first insertion block (302) are connected by insertion.

3. The large-span prestressed concrete capping beam support structure across a newly-built bridge of claim 2, characterized in that: The second insertion block (305) is matched with the second insertion hole (306) in position and size, and the second insertion block (305) and the second insertion hole (306) are connected by insertion.

4. The large-span prestressed concrete bent cap support structure for a newly-built bridge according to claim 3, characterized in that: The bottom surface of the sliding block (309) is matched with the inner wall of the sliding groove (308), and the sliding block (309) and the sliding groove (308) are connected by sliding.

5. The large-span prestressed concrete bent cap support structure across a newly-built bridge of claim 1, characterized in that: The bottom of the first cover beam (1) and the second cover beam (2) is connected with a stand, and the bottom of both sides of the connecting frame (307) is connected with a reinforcing assembly (4).

6. The large-span prestressed concrete bent cap support structure for a newly-built bridge according to claim 5, characterized in that: The reinforcing assembly (4) comprises a support frame (401), and the upper and lower ends of the support frame (401) are provided with slot holes (402).

7. The large-span prestressed concrete bent cap support structure for a newly-built bridge according to claim 6, characterized in that: The inner part of the two groups of slot holes (402) is inserted with a fixing bolt (403).

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