Leveling device for replacing suspender of tied-arch bridge

Abstract

The utility model discloses a tied-arch bridge suspender replacing and leveling device which comprises a fixing plate, the bottom of the fixing plate is arranged to be an arc-shaped face matched with a bridge, an anti-skid gasket is attached to the arc-shaped face, a stand column is fixedly installed on the top of the fixing plate, an adjustable leveling assembly is installed on one side of the top of the stand column, and the adjustable leveling assembly is arranged on the other side of the top of the fixing plate. Transverse adjusting structures are fixedly arranged at the two ends of the fixing plate, vertical supporting plates are connected to the transverse adjusting structures, lower positioning plates are installed on the outer side walls of the vertical supporting plates through upper and lower limiting adjusting assemblies, and the top faces of the lower positioning plates are in an arc shape. According to the bridge arch rib fixing device, the problem of slipping after installation can be effectively prevented, meanwhile, the bridge arch rib fixing device can adapt to bridge arch ribs of different specifications, installation stability is guaranteed, and installation is rapid.

Description

Technical Field

[0001] The utility model relates to the technical field of arch bridge construction equipment, and more specifically, to a leveling device for replacing stay cables of a tied-arch bridge. Background Technique

[0002] In a concrete-filled steel tube arch bridge, concrete is filled inside the steel tube. Due to the radial restraint of the steel tube, the expansion of the compressed concrete is restricted, making the concrete in a triaxial compression state, thus significantly improving the compressive strength of the concrete. In a concrete-filled steel tube arch bridge, the stay cable, as the only component that transfers the bridge load to the arch rib steel tube, is directly related to the safety of the bridge structure.

[0003] The existing stay cable replacement devices mainly place the leveling device on the arch bridge and then achieve the equivalent conversion of the steel strand cable force to the new stay cable. However, the leveling device is not convenient to be fixed on the arch bridge. It is easy to cause slipping due to the curved arch rib at the top of the arch bridge being arc-shaped. At the same time, it is not convenient to fix different arch ribs, affecting the installation efficiency.

[0004] Regarding the problems in the related art, no effective solution has been proposed yet. Content of the Utility Model

[0005] Aiming at the deficiencies in the existing technology, the purpose of the utility model is to propose a leveling device for replacing stay cables of a tied-arch bridge.

[0006] To achieve the above purpose, the utility model is realized through the following technical solutions. A leveling device for replacing stay cables of a tied-arch bridge includes a fixing plate. The bottom of the fixing plate is set as an arc surface adapted to the bridge, and an anti-slip gasket is attached to the arc surface. A column is fixedly installed on the top of the fixing plate. One side of the top of the column is provided with an adjustable leveling component. Both ends of the fixing plate are fixedly provided with transverse adjustment structures. A vertical support plate is connected to the transverse adjustment structures. A lower positioning plate is installed on the outer side wall of the vertical support plate through an upper and lower limit adjustment component, and the top surface of the lower positioning plate is arc-shaped.

[0007] Preferably, the adjustable leveling component includes a U-shaped support block fixed on one side of the top of the column, and a leveling plate is movably connected inside the U-shaped support block through a movable rotating shaft.

[0008] Preferably, bubble levels are installed on both sides of the outer wall of the leveling plate. The bottom of the leveling plate is movably connected to an electric telescopic rod through a movable shaft one, and the other end of the electric telescopic rod is rotatably connected to the outer side wall of the column through a movable shaft two.

[0009] Preferably, the lateral adjustment structure includes a first support cross plate and a second support cross plate fixed at both ends of the fixed plate. Strip-shaped through grooves are provided on both the first support cross plate and the second support cross plate, and sliders are slidably arranged in the strip-shaped through grooves.

[0010] Preferably, a limit sliding groove is provided at the bottom of the strip-shaped through groove, and a positioning block slidably arranged in the limit sliding groove is provided at the bottom of the slider. A connecting cross bar is integrally connected between the sliders, the vertical support plate is fixedly connected to the connecting cross bar, a limit threaded shaft is provided at one end of the slider away from the connecting cross bar, and a limit nut is sleeved on the limit threaded shaft.

[0011] Preferably, the up-and-down limit adjustment assembly includes a housing fixed on the outer wall of the vertical support plate. An adjustment vertical groove is provided on the vertical support plate. A guide support plate integrally connected to one end of the lower positioning plate penetrates through the adjustment vertical groove and extends into the housing.

[0012] Preferably, a rotary adjustment screw rod threadedly penetrating through the guide support plate is arranged in the housing. The bottom end of the rotary adjustment screw rod is connected to the inner wall of the housing through a bearing. The top end of the rotary adjustment screw rod movably penetrates through the housing. A guide post is movably penetrating through the guide support plate in the housing.

[0013] The utility model provides a leveling device for replacing the suspenders of a tied-arch bridge, and the beneficial effects are as follows:

[0014] By setting the bottom of the fixed plate as an arc surface adapted to the bridge, the bottom of the fixed plate can be attached to the top surface of the bridge. The provided anti-slip gasket further reduces the possibility of slipping. The adjustable leveling assembly arranged on one side of the top of the column can ensure being parallel to the suspender cross beam. During installation, through the cooperation of the lateral adjustment structure and the up-and-down limit adjustment assembly, the lower positioning plate is positioned on the bottom surface of the arch rib, so as to realize the upper and lower fitting with the arch rib, ensuring the stability of installation. The structure of the utility model is simple and convenient to use, can effectively prevent the problem of slipping after installation, and at the same time, can adapt to arch ribs of different specifications, ensuring the stability of installation and fast installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required to be used in the embodiments. Obviously, the following described drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained according to these drawings.

[0016] Figure 1It is the front view of a leveling device for replacing suspenders of a tied-arch bridge according to an embodiment of the present utility model;

[0017] Figure 2 It is the structural schematic diagram of an adjustable leveling component in a leveling device for replacing suspenders of a tied-arch bridge according to an embodiment of the present utility model;

[0018] Figure 3 It is the structural schematic diagram of a lateral adjustment structure in a leveling device for replacing suspenders of a tied-arch bridge according to an embodiment of the present utility model;

[0019] Figure 4 It is the structural schematic diagram of an upper and lower limit adjustment component in a leveling device for replacing suspenders of a tied-arch bridge according to an embodiment of the present utility model.

[0020] In the figure:

[0021] 1, fixing plate; 2, arc surface; 3, column; 4, adjustable leveling component; 5, lateral adjustment structure; 6, vertical support plate; 7, upper and lower limit adjustment component; 8, lower positioning plate; 9, U-shaped support block; 10, movable rotating shaft; 11, leveling plate; 12, bubble level; 13, electric telescopic rod; 14, movable shaft two; 15, support cross plate one; 16, support cross plate two; 17, strip-shaped through groove; 18, slider; 19, limit sliding groove; 20, connecting cross bar; 21, limit threaded shaft; 22, limit nut; 23, outer shell body; 24, adjustment vertical groove; 25, guiding support plate; 26, rotating adjustment screw; 27, guiding column. Specific embodiments

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0023] Please refer to Figures 1-4, the utility model provides a leveling device for replacing the suspenders of a tied-arch bridge, which includes a fixing plate 1. The bottom of the fixing plate 1 is provided with an arc surface 2 adapted to the bridge, and an anti-slip gasket is attached to the arc surface 2. By setting the bottom of the fixing plate 1 as an arc surface 2 adapted to the bridge, the bottom of the fixing plate 1 can be attached to the top surface of the bridge. The anti-slip gasket provided further reduces the possibility of slipping. A column 3 is fixedly installed on the top of the fixing plate 1. One side of the top of the column 3 is equipped with an adjustable leveling component 4. Both ends of the fixing plate 1 are fixedly provided with a lateral adjustment structure 5. A vertical support plate 6 is connected to the lateral adjustment structure 5. A lower positioning plate 8 is installed on the outer wall of the vertical support plate 6 through an upper and lower limit adjustment component 7, and the top surface of the lower positioning plate 8 is arc-shaped. The adjustable leveling component 4 provided on one side of the top of the column 3 can ensure that it is parallel to the suspender cross beam. During installation, the lower positioning plate 8 is positioned on the bottom surface of the arch rib through the cooperation of the lateral adjustment structure 5 and the upper and lower limit adjustment component 7, so as to achieve the fitting with the arch rib both above and below, ensuring the stability of the installation.

[0024] In one embodiment, please refer to the attached drawings of the specification Figure 2 As shown, the adjustable leveling component 4 includes a U-shaped support block 9 fixed on one side of the top of the column 3. A leveling plate 11 is movably connected in the U-shaped support block 9 through a movable rotating shaft 10. Bubble levels 12 are installed on both sides of the outer wall of the leveling plate 11. The bottom of the leveling plate 11 is movably connected to an electric telescopic rod 13 through a movable shaft one. The other end of the electric telescopic rod 13 is rotatably connected to the outer wall of the column 3 through a movable shaft two 14. When leveling, the leveling plate 11 is adjusted by driving the electric telescopic rod 13. Since one end of the leveling plate 11 is rotatably connected to the U-shaped support block 9 through the movable rotating shaft 10, with the cooperation of the bubble level 12, the leveling of the leveling plate 11 and the suspender cross beam is ensured.

[0025] In one embodiment, please refer to the attached drawings of the specification Figure 3As shown, the lateral adjustment structure 5 includes a first support cross plate 15 and a second support cross plate 16 fixed at both ends of the fixed plate 1. Bar-shaped through slots 17 are formed in both the first support cross plate 15 and the second support cross plate 16. Sliders 18 are slidably arranged in the bar-shaped through slots 17. A limiting sliding slot 19 is formed at the bottom of the bar-shaped through slot 17, and a positioning block slidably arranged in the limiting sliding slot 19 is provided at the bottom of the slider 18. A connecting cross bar 20 is integrally connected between the sliders 18. The vertical support plate 6 is fixedly connected to the connecting cross bar 20. A limiting threaded shaft 21 is arranged at one end of the slider 18 away from the connecting cross bar 20, and a limiting nut 22 is sleeved on the limiting threaded shaft 21. When performing lateral adjustment, by loosening the limiting nut 22, the limiting nut 22 is not in contact with the corresponding first support cross plate 15 and second support cross plate 16, so that the connecting cross bar 20 can be pushed to move in the bar-shaped through slot 17 under the guidance of the limiting sliding slot 19 and the positioning block, so as to adapt to the widths of different arch ribs. After adjusting to an appropriate position, the limiting nut 22 is tightened, and the friction force between the limiting nut 22 and the corresponding first support cross plate 15 and second support cross plate 16 is used to ensure the fixation of the position of the connecting cross bar 20.

[0026] In one embodiment, please refer to the attached drawings of the specification Figure 4 As shown, the up-and-down limiting adjustment assembly 7 includes a housing 23 fixed on the outer wall of the vertical support plate 6. An adjustment vertical slot 24 is formed in the vertical support plate 6. A guide support plate 25 integrally connected to one end of the lower positioning plate 8 penetrates through the adjustment vertical slot 24 and extends into the housing 23. A rotary adjustment screw 26 threadedly penetrating through the guide support plate 25 is arranged in the housing 23. The bottom end of the rotary adjustment screw 26 is connected to the inner wall of the housing 23 through a bearing. The top end of the rotary adjustment screw 26 movably penetrates through the housing 23. A guide post 27 is movably penetrated through the guide support plate 25 in the housing 23. When adjusting the lower positioning plate 8, the rotary adjustment screw 26 is rotated. Through the cooperation of the bearing and by using the guidance of the guide post 27, the guide support plate 25 drives the lower positioning plate 8 to generate a horizontal upward movement, so that the arc of the lower positioning plate 8 fits with the arc at the bottom of the arch rib, and the positioning work is carried out.

[0027] In actual application, by setting the bottom of the fixing plate 1 as an arc surface 2 adapted to the bridge, the bottom of the fixing plate 1 can be fitted with the top surface of the bridge. The anti-slip gasket further reduces the possibility of slipping. The adjustable leveling component 4 arranged on one side of the top of the column 3 can ensure that it is parallel to the suspension rod cross beam. During installation, through the horizontal adjustment structure 5 cooperating with the up and down limit adjustment component 7, the lower positioning plate 8 is positioned on the bottom surface of the arch rib, so as to achieve fitting with the arch rib both up and down, ensuring the stability of installation. The structure of the utility model is simple and convenient to use, which can effectively prevent the problem of slipping after installation. At the same time, it can adapt to different specifications of bridge arch ribs, ensuring the stability of installation and fast installation.

[0028] Although this specification is described according to the embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A leveling device for replacing the suspenders of a tied-arch bridge, characterized in that, It includes a fixed plate (1), the bottom of the fixed plate (1) is set as an arc surface (2) adapted to the bridge, and an anti-slip gasket is attached to the arc surface (2). A column (3) is fixedly installed on the top of the fixed plate (1). An adjustable leveling component (4) is installed on one side of the top of the column (3). Transverse adjustment structures (5) are fixedly arranged at both ends of the fixed plate (1). A vertical support plate (6) is connected to the transverse adjustment structure (5). A lower positioning plate (8) is installed on the outer side wall of the vertical support plate (6) through an upper and lower limit adjustment component (7), and the top surface of the lower positioning plate (8) is arc-shaped.

2. The leveling device for replacing the suspenders of a tied-arch bridge according to claim 1, wherein, The adjustable leveling component (4) includes a U-shaped support block (9) fixed on one side of the top of the column (3), and a leveling plate (11) is movably connected in the U-shaped support block (9) through a movable rotating shaft (10).

3. The leveling device for replacing the suspenders of a tied-arch bridge according to claim 2, wherein, Bubble levels (12) are installed on both sides of the outer wall of the leveling plate (11). The bottom of the leveling plate (11) is movably connected to an electric telescopic rod (13) through a first movable shaft, and the other end of the electric telescopic rod (13) is rotatably connected to the outer side wall of the column (3) through a second movable shaft (14).

4. The leveling device for replacing the suspenders of a tied-arch bridge according to claim 3, characterized in that, The transverse adjustment structure (5) includes a first support cross plate (15) and a second support cross plate (16) fixed at both ends of the fixed plate (1). Strip-shaped through grooves (17) are formed in both the first support cross plate (15) and the second support cross plate (16), and sliders (18) are slidably arranged in the strip-shaped through grooves (17).

5. The leveling device for replacing the suspenders of a tied-arch bridge according to claim 4, wherein, A limit sliding groove (19) is formed at the bottom of the strip-shaped through groove (17), and a positioning block slidably arranged in the limit sliding groove (19) is arranged at the bottom of the slider (18). A connecting cross bar (20) is integrally connected between the sliders (18), the vertical support plate (6) is fixedly connected to the connecting cross bar (20), a limit threaded shaft (21) is arranged at one end of the slider (18) away from the connecting cross bar (20), and a limit nut (22) is sleeved on the limit threaded shaft (21).

6. The leveling device for replacing the suspenders of a tied-arch bridge according to claim 5, characterized in that The upper and lower limit adjustment component (7) includes a housing (23) fixed on the outer wall of the vertical support plate (6). An adjustment vertical groove (24) is formed in the vertical support plate (6). A guiding support plate (25) integrally connected to one end of the lower positioning plate (8) and extending into the housing (23) through the adjustment vertical groove (24) is arranged on the vertical support plate (6).

7. The leveling device for replacing the suspenders of a tied-arch bridge according to claim 6, wherein, A rotating adjustment screw rod (26) threadedly penetrating the guiding support plate (25) is arranged in the housing (23). The bottom end of the rotating adjustment screw rod (26) is connected to the inner wall of the housing (23) through a bearing. The top end of the rotating adjustment screw rod (26) movably penetrates the housing (23), and a guiding column (27) is movably penetratingly arranged on the guiding support plate (25) inside the housing (23).

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