Connecting structure for newly-built suspension cable landscape and current beam bridge

Abstract

The utility model belongs to the technical field of bridge transformation, and discloses a connecting structure for a newly-built suspension cable landscape and a current beam bridge, which realizes reliable connection between the newly-built suspension cable landscape and the current beam bridge, and the top of a sling is fixed on a suspension cable landscape main cable of the newly-built suspension cable landscape through a sling upper cable clamp. The bottom of the sling is connected with the ground beam on the main beam through the sling anchoring lug plate, the lug plate anchoring steel plate, the ground beam embedded anchoring steel plate and the anchoring steel bar, and the ground beam on the main beam is poured on the current beam type bridge, so that the newly-built suspension cable landscape is effectively connected with the current beam type bridge, and the problem that natural vibration frequencies of different structural systems are inconsistent is effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to bridge reconstruction technical field, concretely relates to a connecting structure for new suspension landscape and present beam bridge. BACKGROUND

[0002] With the rapid development of economy, the traffic infrastructure construction increasingly becomes the important component of national strategy, and the suspension landscape bridge in bridge engineering has the characteristics such as strong crossing ability and beautiful appearance, and is increasingly applied in city and highway bridges.

[0003] At present, in the present bridge reconstruction, the combined system bridge of new suspension landscape and present beam bridge cooperation is often used, the new suspension landscape structure has large span, system softness and large deformation, the present beam bridge structure has small span, large rigidity and small deformation, how to effectively connect the two safely and reliably and effectively solve the problem that different structure systems have inconsistent self-vibration frequency, and there is no better solution at present. UTILITY MODEL CONTENT

[0004] The utility model discloses a connecting structure for new suspension landscape and present beam bridge, and fills the blank of prior art.

[0005] In order to solve the technical problem, the utility model discloses a connecting structure for new suspension landscape and present beam bridge, which comprises a sling, a sling lower pin shaft, a sling anchoring lug plate, an ear plate anchoring steel plate, a ground beam embedded anchoring steel plate, anchoring steel bars, a main beam upper ground beam, a sling upper pin shaft and a sling upper cable clamp.

[0006] Preferably, the anchoring steel bars are anchored on the present beam bridge, and the number of the anchoring steel bars is multiple.

[0007] Preferably, the center of the sling, the sling lower pin shaft, the sling anchoring lug plate, the ear plate anchoring steel plate, the ground beam embedded anchoring steel plate, the main beam upper ground beam, the sling upper pin shaft and the sling upper cable clamp is on the same vertical line.

[0008] Preferably, the area of the ground beam embedded anchor steel plate is larger than that of the ear plate anchor steel plate, and the ear plate anchor steel plate is welded on the ground beam embedded anchor steel plate according to the position of the sling.

[0009] Preferably, the ear plate gusset plates are arranged on the two sides of the sling anchor ear plate respectively and are parallel to the sling anchor ear plate, the through holes are arranged in the centers of the sling anchor ear plate and the ear plate gusset plate, and the ear plate stiffening plates are arranged on the two sides of the sling anchor ear plate respectively and are perpendicular to the sling anchor ear plate.

[0010] Preferably, the through holes are arranged in the bottom connecting positions of the sling, the lower pin shafts pass through the through holes of the sling anchor ear plate, the ear plate gusset plate and the bottom connecting positions of the sling respectively, and the bottom connecting positions of the sling are hinged to the sling anchor ear plate.

[0011] Preferably, the through holes are arranged in the top connecting positions of the sling, the through holes are arranged in the bottom connecting positions of the upper sling clamp, the upper pin shafts pass through the through holes of the top connecting positions of the sling and the bottom connecting positions of the upper sling clamp respectively, and the top connecting positions of the sling are hinged to the bottom connecting positions of the upper sling clamp.

[0012] Preferably, the upper sling clamp comprises two symmetrical sling clamp bodies, recesses are arranged in the corresponding positions of the two sling clamp bodies, the suspension cable of the newly-built suspension cable landscape is arranged in the recesses, and the recesses on the two sides of the two sling clamp bodies are fixedly connected through bolts to fix the upper sling clamp on the corresponding positions of the suspension cable of the newly-built suspension cable landscape.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] (1) The utility model provides a connecting structure for a newly-built suspension cable landscape and an existing beam bridge, realizes reliable connection of the newly-built suspension cable landscape and the existing beam bridge, fixes the top of the sling on the suspension cable of the newly-built suspension cable landscape through the upper sling clamp, connects the bottom of the sling to the ground beam on the main beam through the sling anchor ear plate, the ear plate anchor steel plate, the ground beam embedded anchor steel plate and the anchor steel bar, and pours the ground beam on the main beam on the existing beam bridge, so that the newly-built suspension cable landscape and the existing beam bridge are effectively connected, and the problem of inconsistent self-vibration frequency of different structural systems is effectively solved.

[0015] (2) The connecting structure of the utility model does not increase too much load on the existing beam bridge and does not increase too much load on the main cable of the newly-built suspension cable landscape; the sling anchor ear plate, the ear plate anchor steel plate, the ground beam embedded anchor steel plate and the anchor steel bar on the deck of the existing beam bridge all have installation adjustment space, and the installation precision problem in the installation process of the newly-built suspension cable landscape is effectively solved.

[0016] (3) The utility model discloses a main beam ground beam newly built on the present situation beam bridge, and the main beam ground beam is hinged with the bottom of the cable through the cable anchoring lug plate, lug plate anchoring steel sheet and ground beam embedded anchoring steel sheet, and the complicated anchoring box system is not needed to be separately arranged, and the cost can be greatly saved, and the construction efficiency is improved.

[0017] (4) The utility model discloses the whole connecting structure stress is clear, and the structure is simple, improves construction efficiency, shortens construction period, reduces the project cost, and effectively solves the problem that the self vibration frequency of different structure systems is inconsistent. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structure schematic view of a connecting structure for newly built suspension landscape and present situation beam bridge of the utility model;

[0019] Figure 2 It is a partial structure schematic view of a connecting structure for newly built suspension landscape and present situation beam bridge of the utility model;

[0020] Figure 3 It is the pouring position schematic view of the main beam ground beam of the utility model.

[0021] BRIEF DESCRIPTION OF DRAWINGS

[0022] 1, cable, 2, cable lower pin shaft, 3, cable anchoring lug plate, 4, lug plate anchoring steel sheet, 5, ground beam embedded anchoring steel plate, 6, anchoring steel bar, 7, main beam ground beam, 8, cable upper pin shaft, 9, cable upper cable clamp, 10, suspension landscape main cable;

[0023] 3-1, lug plate stiffened plate, 3-2, lug plate backing plate;

[0024] 9-1, recess. DETAILED DESCRIPTION

[0025] The utility model will be described in detail below in combination with the drawings and specific embodiments, but the utility model is not only limited to these embodiments. The utility model covers any substitution, modification, equivalent method and scheme made on the essence and scope of the utility model. In order to make the public have the thorough understanding of the utility model, the specific details are explained in the following utility model embodiments, and the utility model can also be completely understood without the description of these details to the person skilled in the art.

[0026] Example 1

[0027] As Figures 1-3As shown, the utility model discloses a kind of connecting structure for newly-built suspension landscape and present situation beam bridge, including sling 1, sling lower pin shaft 2, sling anchoring lug plate 3, lug plate anchoring steel plate 4, ground beam embedded anchoring steel plate 5, anchoring steel bar 6, main beam upper ground beam 7, sling upper pin shaft 8 and sling upper cable clamp 9, the top of sling 1 is connected sling upper cable clamp 9 by sling upper pin shaft 8, sling upper cable clamp 9 is fixed on the main cable 10 of newly-built suspension landscape suspension landscape, main beam upper ground beam 7 is newly-built on the deck of present situation beam bridge, anchoring steel bar 6 is embedded in main beam upper ground beam 7, anchoring steel bar 6 top and ground beam embedded anchoring steel plate 5 bottom are welded, lug plate anchoring steel plate 4 is welded on ground beam embedded anchoring steel plate 5, sling anchoring lug plate 3 is welded on lug plate anchoring steel plate 4, sling anchoring lug plate 3 is connected with sling 1 bottom by sling lower pin shaft 2, the deck of sling 1 and present situation beam bridge is vertically arranged.

[0028] Embodiment 2

[0029] Preferably, as shown in the drawings, Figure 1 The anchoring steel bar 6 is anchored on the present situation beam bridge, and the number of anchoring steel bars 6 is multiple.

[0030] Preferably, as shown in the drawings, Figure 1 The center of the sling 1, the sling lower pin shaft 2, the sling anchoring lug plate 3, the lug plate anchoring steel plate 4, the ground beam embedded anchoring steel plate 5, the main beam upper ground beam 7, the sling upper pin shaft 8 and the sling upper cable clamp 9 are on the same vertical line.

[0031] The utility model adopts newly-built main beam upper ground beam 7 on present situation beam bridge, and is reliably connected with main beam upper ground beam 7 through the steel bar in deck pavement; anchoring steel bar 6 is embedded in main beam upper ground beam 7, and ground beam embedded anchoring steel plate 5 is reliably welded with anchoring steel bar 6.

[0032] Embodiment 3

[0033] Preferably, as shown in the drawings, Figure 1 The area of the ground beam embedded anchoring steel plate 5 is greater than the area of the lug plate anchoring steel plate 4, and the lug plate anchoring steel plate 4 is welded on the ground beam embedded anchoring steel plate 5 according to the position of the sling 1 to adjust the position of the lug plate anchoring steel plate 4 forward, backward, left and right.

[0034] The lug plate anchoring steel plate 4 is welded on the ground beam embedded anchoring steel plate 5, and can be adjusted forward, backward, left and right according to the accurate position of the sling 1.

[0035] Preferably, as shown in the drawings, Figure 2 The lug plate 3-2 parallel to the sling anchoring lug plate 3 is arranged on the two sides of the sling anchoring lug plate 3, and the through hole is arranged in the center of the sling anchoring lug plate 3 and the lug plate 3-2, and the lug plate stiffening plate 3-1 perpendicular to the sling anchoring lug plate 3 is further arranged on the two sides of the sling anchoring lug plate 3.

[0036] The sling anchoring lug 3 is welded to the lug anchoring steel plate 4 and is reinforced by the lug stiffening plate 3-1 and the lug pad 3-2.

[0037] Example 4

[0038] Preferred, such as Figure 1 As shown, a through hole is also provided at the bottom connection position of the sling 1. The lower pin 2 of the sling passes through the through hole of the sling anchoring ear plate 3, the ear plate pad 3-2 and the bottom connection position of the sling 1 respectively, and hinges the bottom connection position of the sling 1 to the sling anchoring ear plate 3.

[0039] Preferred, such as Figure 1 As shown, the top connection position of the sling 1 is provided with a through hole, and the bottom connection position of the sling clamp 9 is also provided with a through hole. The pin 8 of the sling passes through the through holes at the top connection position of the sling 1 and the bottom connection position of the sling clamp 9 respectively to hinge them together.

[0040] The sling 1 is connected to the sling anchor plate 3 via the lower sling pin 2, and the sling 1 itself has the ability to extend and shorten. The sling 1 is reliably connected to the upper sling clamp 9 via the upper sling pin 8 and fixed to the main suspension landscape cable 10.

[0041] Example 5

[0042] Preferred, such as Figure 1 As shown, the cable clamp 9 on the suspension cable includes two symmetrical clamp bodies. The two clamp bodies are provided with grooves 9-1 at corresponding positions. The main cable 10 of the newly built suspension landscape is installed at the grooves 9-1. The two clamp bodies are fixedly connected on both sides of the grooves 9-1 by bolts, thereby fixing the cable clamp 9 on the suspension cable to the corresponding position of the main cable 10 of the suspension landscape.

[0043] The working principle of this utility model is as follows:

[0044] like Figures 1-3The utility model relates to the connection of new suspension landscape and the stress structure of the present beam bridge, including sling 1, sling lower pin shaft 2, sling anchoring lug plate 3, lug plate anchoring steel sheet 4, ground beam pre -buried anchoring steel sheet 5, anchoring steel bar 6, main beam upper ground beam 7, sling upper pin shaft 8 and sling upper cable clamp 9, the top of sling 1 is fixed on the suspension landscape main cable 10 of new suspension landscape through sling upper cable clamp 9, the bottom of sling 1 is connected main beam upper ground beam 7 through sling anchoring lug plate 3, lug plate anchoring steel sheet 4, ground beam pre -buried anchoring steel sheet 5 and anchoring steel bar 6, so that new suspension landscape and the present beam bridge are effectively connected, effectively solve the problem that the natural vibration frequency of different structure systems is inconsistent, do not add too much load on the present beam bridge, also do not add too much load on the main cable of new suspension landscape, the sling anchoring lug plate 3, lug plate anchoring steel sheet 4, ground beam pre -buried anchoring steel sheet 5 and anchoring steel bar 6 on the bridge deck of the present beam bridge all have installation adjustment space, effectively solve the installation precision problem in the installation process of new suspension landscape.

[0045] The utility model discloses the connection structure includes the main beam upper ground beam 7 of placing in the present beam bridge, the main beam upper ground beam 7 is pre -buried with anchoring steel bar 6, ground beam pre -buried anchoring steel sheet 5 is welded on anchoring steel bar 6, sling anchoring lug plate 3 is welded on ground beam pre -buried anchoring steel sheet 5, sling 1 is hinged with sling anchoring lug plate 3 through sling lower pin shaft 2, is fixed on suspension landscape main cable 10 through sling upper pin shaft 8 and sling upper cable clamp 9.The utility model has innovatively solved the sling connection problem of new suspension landscape on the present beam bridge, and the structure stress is clear;

[0046] The utility model discloses the main beam upper ground beam 7 of being newly built on the present beam bridge, need not to set up complicated anchor box system alone, can save cost to a greater extent, improves construction efficiency, and effectively solved the difficult problem that the natural vibration frequency of different structure systems is inconsistent.

[0047] The use steps of the utility model connection structure are as follows:

[0048] According to the position of new suspension landscape, the position of main beam upper ground beam 7 is determined → the bridge deck top plate of the present beam bridge is roughly handled → the bridge deck leveling layer steel bar net is arranged → anchoring steel bar 6 is pre -buried → ground beam pre -buried anchoring steel sheet 5 is positioned → the concrete of main beam upper ground beam 7 is poured → suspension landscape main cable 10 is installed → sling upper cable clamp 9 is installed → sling 1 is installed → lug plate anchoring steel sheet 4 is installed according to the position of sling 1 → sling lower pin shaft 2 is installed → the stress of sling 1 is adjusted.

[0049] The utility model can utilize the present beam bridge stress structure, need not to build the complicated anchor box system again, save the cost, improve the efficiency, and the reliable connection of new suspension landscape and the present beam bridge is solved innovatively, and effectively solved the difficult problem that the natural vibration frequency of different structure systems is inconsistent.

[0050] The preferred embodiments of the utility model are described in detail above, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by those skilled in the art without departing from the purpose of the utility model.

[0051] Many other changes and modifications can be made to the application without departing from the spirit and scope of the application. It is to be understood that the application is not limited to the specific embodiments described herein, but only by the claims made and their equivalents.

Claims

1. A connecting structure for new suspension landscape and existing beam bridge, characterized by: The application relates to a suspension cable landscape construction method, which comprises a sling (1), a sling lower pin shaft (2), a sling anchoring lug plate (3), an anchoring lug plate (4), a ground beam embedded anchoring steel plate (5), anchoring steel bars (6), a main beam upper ground beam (7), a sling upper pin shaft (8) and a sling upper cable clamp (9), the top of the sling (1) is connected with the sling upper cable clamp (9) through the sling upper pin shaft (8), and the sling upper cable clamp (9) is fixed on a suspension cable landscape main cable (10) of a newly-built suspension cable landscape; the main beam upper ground beam (7) is newly built on the deck of an existing beam bridge, the anchoring steel bars (6) are embedded in the main beam upper ground beam (7), the top of the anchoring steel bars (6) is welded with the bottom of the ground beam embedded anchoring steel plate (5), the anchoring lug plate (4) is welded on the ground beam embedded anchoring steel plate (5), the sling anchoring lug plate (3) is welded on the anchoring lug plate (4), the sling anchoring lug plate (3) is connected with the bottom of the sling (1) through the sling lower pin shaft (2), and the sling (1) is vertically arranged on the deck of the existing beam bridge.

2. A connecting structure for new suspension landscape and existing beam bridge according to claim 1, characterized in that: The bottom of the anchoring steel bars (6) is anchored on the existing beam bridge, and the number of the anchoring steel bars (6) is multiple.

3. A connecting structure for new suspension landscape and existing beam bridge according to claim 1, characterized in that: The center of the sling (1), the sling lower pin shaft (2), the sling anchoring lug plate (3), the anchoring lug plate (4), the ground beam embedded anchoring steel plate (5), the main beam upper ground beam (7), the sling upper pin shaft (8) and the sling upper cable clamp (9) is located on the same vertical line.

4. A connecting structure for new suspension landscape and existing beam bridge according to claim 1, characterized in that: The area of the ground beam embedded anchoring steel plate (5) is larger than that of the anchoring lug plate (4), and the anchoring lug plate (4) is welded on the ground beam embedded anchoring steel plate (5) according to the position of the sling (1) to make fine adjustment of the position of the anchoring lug plate (4) on the ground beam embedded anchoring steel plate (5) in front, back, left and right directions.

5. A connecting structure for new suspension landscape and existing beam bridge according to claim 1, characterized in that: The sling anchoring lug plate (3) is provided with the anchoring lug plate (3-2) which is parallel to the sling anchoring lug plate (3) on both sides, the center of the sling anchoring lug plate (3) and the anchoring lug plate (3-2) is provided with a through hole, and the sling anchoring lug plate (3) is provided with the anchoring lug plate (3-1) which is perpendicular to the sling anchoring lug plate (3) on both sides.

6. A connecting structure for new suspension landscape and existing beam bridge according to claim 5, characterized in that: The bottom connecting position of the sling (1) is also provided with a through hole, the sling lower pin shaft (2) passes through the through holes of the sling anchoring lug plate (3), the anchoring lug plate (3-2) and the bottom connecting position of the sling (1) respectively, and the bottom connecting position of the sling (1) is hinged with the sling anchoring lug plate (3).

7. A connecting structure for new suspension landscape and existing beam bridge according to claim 1, characterized in that: The top connecting position of the sling (1) is provided with a through hole, the bottom connecting position of the sling upper cable clamp (9) is also provided with a through hole, and the sling upper pin shaft (8) passes through the through holes of the top connecting position of the sling (1) and the bottom connecting position of the sling upper cable clamp (9) respectively to hinge the top connecting position of the sling (1) and the bottom connecting position of the sling upper cable clamp (9).

8. A connecting structure for new suspension landscape and existing beam bridge according to claim 7, characterized in that: The sling upper cable clamp (9) comprises two cable clamp bodies which are symmetrical, the two cable clamp bodies are provided with grooves (9-1) at corresponding positions, the suspension cable landscape main cable (10) of the newly-built suspension cable landscape is installed at the grooves (9-1), and the grooves (9-1) on both sides of the two cable clamp bodies are fixedly connected through bolts to fix the sling upper cable clamp (9) at the corresponding positions of the suspension cable landscape main cable (10).

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