Bridge swivel supporting device

Abstract

The utility model discloses a bridge rotation supporting device, and belongs to the technical field of bridge rotation supporting. Comprising a spherical hinge framework and a slideway framework, the spherical hinge framework and the slideway framework are both installed on a concrete bearing platform in a limiting mode, a spherical hinge disc is installed on the spherical hinge framework in a limiting mode, a lower slideway is fixedly arranged on the upper surface of the slideway framework, and an upper slideway is slidably installed on the upper surface of the lower slideway; a swivel supporting structure is composed of a sliding way structure, a spherical capstan and an upper bearing platform, six sets of steel supporting feet are arranged along the circumference of an upper sliding way, when a bridge conducts swivel action through the upper bearing platform and inclines due to bridge swivel, acting force can be compensated through hydraulic dampers installed at the positions of all the sets of steel supporting feet, and the upper bearing platform is kept in a balanced and stable state; the arc-shaped limiting plate of the upper bearing platform can be locked by locking the two locking nuts on the embedded rod, the temporary limiting function of the upper bearing platform is achieved, the problem that prefabricated steel needs to be welded for temporary limiting of a traditional upper bearing platform is solved, the working efficiency is greatly improved, and the manual efficiency is reduced.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of bridge swivel support, in particular to a bridge swivel support device. BACKGROUND

[0002] Bridge swivel construction refers to a construction method that a bridge structure is formed (poured or spliced) at a position deviating from the design axis and then placed in position through swivel, the bridge swivel construction can convert the work above the obstacle into the work on the shore or near the ground, thereby greatly reducing the construction difficulty and avoiding the risk of construction above the obstacle, and has the advantages of not interfering with traffic, uninterrupted navigation, rapid construction, economic benefits and the like, so the bridge swivel construction is more and more welcomed.

[0003] The existing bridge swivel support device disclosed in patent No. CN221218540U has a first support leg fixedly connected to the bottom of an upper bearing platform, a support assembly including a support base and a force measuring unit, the support base including a base and a height adjusting unit, the base being slidably arranged on a slide, the height adjusting unit being installed on the base and being able to vertically rise and abut against the first support leg to prevent the upper bearing platform from being subjected to concentrated stress and to be able to bear the vertical load of the upper bearing platform, thereby avoiding the cracking of the upper bearing platform due to excessive stress, and the force measuring unit is used to monitor the vertical force borne by the support base at any time, and the phenomenon of excessive stress or stress concentration of the support base is found in time, according to the related technology in the above, the inventor believes that the following defects still exist: although the bridge swivel support device of the comparative document can avoid the phenomenon of stress concentration, the design is relatively complex, the construction difficulty and cost are increased, the damping compensation effect is insufficient, and the upper bearing platform has no limiting structure during the swivel action of the bridge, so it is difficult to limit the bridge during the swivel action, which affects the butt joint phenomenon of the bridge construction, therefore, we propose a bridge swivel support device. CONTENT OF THE UTILITY MODEL

[0004] 1. TECHNICAL PROBLEM TO BE SOLVED

[0005] The purpose of the present application is to provide a bridge swivel support device, which solves the technical problem of the prior art that the bridge swivel support device in the prior art can avoid stress concentration, but the design is relatively complex, which increases the construction difficulty and cost, and the damping compensation effect is insufficient, and the upper bearing platform has no limiting structure during the swivel action of the bridge, which makes it difficult to limit the swivel action of the bridge, and affects the butt joint phenomenon of bridge construction, and the bridge swivel support device is composed of a slide structure, a ball hinge disc and an upper bearing platform, six groups of steel support feet are arranged along the circumference of the upper slide, when the bridge swivels and tilts, the hydraulic damper installed at each group of steel support feet can compensate the force to keep the upper bearing platform balanced and stable, and the arc limiting plate of the upper bearing platform can be locked by locking the two lock nuts on the embedded rod, which achieves the temporary limiting function of the upper bearing platform, solves the problem of welding and prefabricating steel work for traditional temporary limiting of the upper bearing platform, greatly improves the work efficiency and reduces the technical effect of manual work.

[0006] 2. Technical solution

[0007] The technical solution of the present application provides a bridge swivel support device, which comprises a ball hinge framework and a slide framework, the ball hinge framework and the slide framework are both limitingly installed on a concrete bearing platform, a ball hinge disc is limitingly installed on the ball hinge framework, a lower slide is fixedly arranged on the upper surface of the slide framework, an upper slide is slidingly installed on the upper surface of the lower slide, six groups of steel support feet are uniformly arranged along the circumferential surface of the upper slide, each group of steel support feet comprises two steel support columns, a connecting plate is fixedly arranged on the steel support foot, a force gauge and two hydraulic dampers are fixedly installed on the connecting plate, the hydraulic dampers are respectively arranged at the two ends of the connecting plate, an upper bearing platform is rotatably installed on the upper part of the ball hinge disc, the upper bearing platform is in pressure contact with the steel support foot and the hydraulic damper, two arc limiting plates are fixedly arranged on the circumference of the upper bearing platform, two embedded rods are slidingly connected to the arc limiting plates, the embedded rods are pre-embedded on the concrete bearing platform, and one lock nut is threadedly installed on the upper and lower surfaces of the arc limiting plate.

[0008] By adopting the technical scheme, the bridge swivel support device is composed of a slide structure, a spherical hinge disc and an upper bearing platform, the slide structure is composed of a slide framework, a lower slide and an upper slide, the spherical hinge disc is adjustably installed on the spherical hinge framework, the upper part of the spherical hinge disc is used to rotatably install the upper bearing platform, six groups of steel support feet are arranged along the circumference of the upper slide, force meters and two hydraulic dampers are installed on the connecting plates at each group of the steel support feet, when the bridge swivels, the hydraulic dampers can compensate the force to keep the upper bearing platform in a balanced and stable state, and after the swivel action, the two lock nuts on the locking embedded rod can press the arc-shaped limiting plate to achieve the temporary limiting function of the upper bearing platform, the traditional welding and prefabrication of the steel work for the temporary limiting of the upper bearing platform is avoided, the work efficiency is greatly improved, and the manual work is reduced.

[0009] Optionally, four T-shaped plates are fixedly arranged on the bottom surface of the spherical hinge disc along the circumference, and threaded bolts are threadedly connected between the T-shaped plates and the spherical hinge framework, and the threaded bolts are threadedly connected with adjusting nuts at the bottom surface of the spherical hinge framework.

[0010] By adopting the technical scheme, the horizontal adjustment of the spherical hinge disc installed on the spherical hinge framework can be realized by adjusting the adjusting nuts.

[0011] Optionally, a gasket is arranged between the steel support feet and the upper slide.

[0012] By adopting the technical scheme, the upper bearing platform can drive the upper slide to perform a swivel action along the lower slide through the steel support feet by arranging the gasket between the steel support feet and the upper slide.

[0013] Optionally, grease is filled between the lower slide and the upper slide, and sealing ring structures are arranged along the circumference of the lower slide and the upper slide.

[0014] By adopting the technical scheme, the upper slide can stably perform a swivel action by filling the grease between the lower slide and the upper slide.

[0015] Optionally, a top block is fixedly arranged on the upper end of the piston rod of the hydraulic damper, and the top block is supported on the bottom surface of the upper bearing platform.

[0016] By adopting the technical scheme, the hydraulic damper can be used to compensate the force when the bridge swivels to incline, so that the bridge can stably perform a swivel action.

[0017] Optionally, an arc-shaped groove is formed in the arc-shaped limiting plate, and the embedded rod is slidably installed along the arc-shaped groove.

[0018] By adopting the technical scheme, the arc-shaped limiting plate driven by the upper bearing platform performs a swivel action along the embedded rod through the arc-shaped groove.

[0019] 3. Beneficial effects

[0020] The bridge swivel support device provided in the technical scheme of the application has at least the following technical effects or advantages: the bridge swivel support device is composed of a slide structure, a ball hinge disc and an upper bearing platform, six groups of steel supporting legs are arranged along the circumference of the upper slide, when the bridge swivels and tilts, the hydraulic damper installed at each group of steel supporting legs can compensate the force to keep the upper bearing platform balanced and stable, the arc limiting plate of the upper bearing platform can be locked by locking the two lock nuts on the embedded rod to achieve the temporary limiting function of the upper bearing platform, the traditional welding and prefabrication of the steel work for the temporary limiting of the upper bearing platform is solved, the work efficiency is greatly improved, and the manual work is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 Fig. 1 is a schematic diagram of the overall structure of a bridge swivel support device according to a preferred embodiment of the application;

[0022] Figure 2 Fig. 2 is a schematic diagram of the cross-sectional structure of the upper bearing platform of a bridge swivel support device according to a preferred embodiment of the application;

[0023] Figure 3 Fig. 3 is a schematic diagram of the structure of the ball hinge disc of a bridge swivel support device according to a preferred embodiment of the application; Figure 2 Fig. 4 is an enlarged schematic diagram of position A in Fig. 3;

[0024] Figure 4 Fig. 5 is an enlarged schematic diagram of position B in Fig. 3; Figure 2 Fig. 6 is an enlarged schematic diagram of position C in Fig. 3;

[0025] Fig. 1 is a schematic diagram of the overall structure of a bridge swivel support device according to a preferred embodiment of the application; DETAILED DESCRIPTION

[0026] The application will be further described in detail below with reference to the accompanying drawings.

[0027] Reference Figures 1 to 4The embodiment of the application provides a bridge swivel support device, which comprises a spherical hinge framework 1 and a slide way framework 2, the spherical hinge framework 1 and the slide way framework 2 are both limitingly installed on a concrete bearing platform, a spherical hinge disc 9 is limitingly installed on the spherical hinge framework 1, a lower slide way 3 is fixedly arranged on the upper surface of the slide way framework 2, an upper slide way 4 is slidingly installed on the upper surface of the lower slide way 3, six groups of steel support feet 5 are uniformly arranged along the circumferential surface of the upper slide way 4, each group of the steel support feet 5 comprises two steel support columns, a connecting plate 51 is fixedly arranged on the steel support feet 5, a force meter 7 and two hydraulic dampers 6 are fixedly installed on the connecting plate 51, and the two hydraulic dampers 6 are respectively arranged at the two ends of the connecting plate 51, an upper bearing platform 8 is rotatably installed on the upper part of the spherical hinge disc 9, the bottom surface of the upper bearing platform 8 is in pressure contact with the steel support feet 5 and the hydraulic dampers 6, two arc-shaped limiting plates 81 are fixedly arranged on the circumference of the upper bearing platform 8, two embedded rods 10 are slidingly connected with the arc-shaped limiting plates 81 respectively, and the embedded rods 10 are embeddedly installed on the concrete bearing platform, one lock nut 101 is threadedly installed at the upper and lower surfaces of the arc-shaped limiting plates 81 respectively, the bridge swivel support device is composed of a slide way structure, the spherical hinge disc 9 and the upper bearing platform 8, the slide way structure is composed of the slide way framework 2, the lower slide way 3 and the upper slide way 4, the spherical hinge disc 9 is adjustably installed on the spherical hinge framework 1, the upper bearing platform 8 is rotatably installed on the upper part of the spherical hinge disc 9 by means of a spherical hinge, six groups of the steel support feet 5 are arranged along the circumference of the upper slide way 4, the force meter 7 and the two hydraulic dampers 6 are installed on the connecting plate 51 at each group of the steel support feet 5, when the bridge performs a swivel action by means of the upper bearing platform 8, the hydraulic dampers 6 can compensate the force when the bridge swivel is inclined, so that the upper bearing platform 8 is in a balanced and stable state, and after the swivel action of the upper bearing platform 8, the two lock nuts 101 on the embedded rods 10 are locked, so that the lock nuts 101 press the arc-shaped limiting plates 81, the temporary limiting function of the upper bearing platform 8 is achieved, the traditional welding and prefabrication steel work for the temporary limiting of the upper bearing platform 8 is solved, the work efficiency is greatly improved by locking the embedded rods 10, and the manual work efficiency is reduced.

[0028] With reference to Figure 2 and Figure 3 , four T-shaped plates 92 are fixedly arranged on the bottom surface of the spherical hinge disc 9 in a circumferential manner, bolt pieces 93 are threadedly connected between the T-shaped plates 92 and the spherical hinge framework 1, adjusting nuts 94 are threadedly connected with the bottom surface of the spherical hinge framework 1, and the horizontal adjustment of the spherical hinge disc 9 installed on the spherical hinge framework 1 can be realized by adjusting the adjusting nuts 94.

[0029] With reference to Figure 2 and Figure 4 , a gasket 52 is additionally arranged between the steel support feet 5 and the upper slide way 4.

[0030] By adopting the above technical scheme, the gasket 52 is arranged between the steel support feet 5 and the upper slide way 4, so that the upper bearing platform 8 drives the upper slide way 4 to perform a swivel action along the lower slide way 3 by means of the steel support feet 5.

[0031] Optionally, the lower slide 3 and the upper slide 4 are filled with lubricating grease, and the lower slide 3 and the upper slide 4 are provided with a sealing ring structure along the circumference.

[0032] By adopting the above technical scheme, the lubricating grease is filled between the lower slide 3 and the upper slide 4, so that the stable rotation motion of the upper slide 4 can be realized.

[0033] Optionally, the piston rod of the hydraulic damper 6 is fixedly provided with a top block 61 at the upper end, and the top block 61 is held at the bottom surface of the upper bearing platform 8.

[0034] By adopting the above technical scheme, the hydraulic damper 6 can be used as a compensation force when the bridge rotation body is inclined, so that the bridge can rotate smoothly.

[0035] Optionally, the arc-shaped limiting plate 81 is provided with an arc-shaped groove 811, and the embedded rod 10 is slidingly installed along the arc-shaped groove 811.

[0036] By adopting the above technical scheme, the arc-shaped limiting plate 81 driven by the upper bearing platform 8 rotates along the embedded rod 10 through the arc-shaped groove 811.

[0037] Working principle: the bridge rotation support device is composed of a slide structure, a ball hinge disc 9 and an upper bearing platform 8. The slide structure is composed of a slide framework 2, a lower slide 3 and an upper slide 4. The ball hinge disc 9 is adjustably installed on the ball hinge framework 1. The upper part of the ball hinge disc 9 is rotatably installed on the upper bearing platform 8 by a ball hinge. Six groups of steel support feet 5 are arranged along the circumference of the upper slide 4. A force meter 7 and two hydraulic dampers 6 are installed on the connecting plate 51 at each group of steel support feet 5. When the bridge rotates by the upper bearing platform 8, the hydraulic damper 6 can compensate the force when the bridge rotation body is inclined, so that the upper bearing platform 8 is in a balanced and stable state. After the rotation of the upper bearing platform 8, the two lock nuts 101 on the embedded rod 10 are locked, so that the lock nuts 101 press the arc-shaped limiting plate 81, achieving the temporary limiting function of the upper bearing platform 8. The traditional temporary limiting of the upper bearing platform 8 needs to weld a prefabricated steel work. The locking of the embedded rod 10 can greatly improve the work efficiency and reduce the manual work.

Claims

1. A bridge swivel support apparatus, characterized by: It include: ball hinge framework (1) and slide way framework (2), ball hinge framework (1) and slide way framework (2) are all installed on the concrete cap, ball hinge framework (1) is installed on the upper surface of the ball hinge disc (9), the lower slide way (3) is fixed on the upper surface of the slide way framework (2), the upper slide way (4) is slidably installed on the upper surface of the lower slide way (3), the upper slide way (4) is uniformly provided with six groups of steel support feet (5) along the circumferential surface, each group of steel support feet (5) includes two steel support columns, the connecting plate (51) is fixedly arranged on the steel support feet (5), the force meter (7) and two hydraulic dampers (6) are fixedly installed on the connecting plate (51), and the hydraulic dampers (6) are respectively arranged at both ends of the connecting plate (51), the upper cap (8) is rotatably installed on the upper part of the ball hinge disc (9), the upper cap (8) is in pressure contact with the steel support feet (5) and the hydraulic dampers (6), two arc limit plates (81) are fixedly arranged on the circumferential surface of the upper cap (8), two embedded rods (10) are slidably connected with the arc limit plates (81) respectively, and the embedded rods (10) are embeddedly installed on the concrete cap, one lock nut (101) is threadedly installed on the upper surface and the lower surface of the arc limit plate (81) respectively.

2. A bridge swivel support apparatus according to claim 1, wherein: The bottom surface of the ball hinge disc (9) is fixedly provided with four T-shaped plates (92) along the circumference, the T-shaped plates (92) are threadedly connected with the ball hinge framework (1) through bolt members (93), and the bolt members (93) are threadedly connected with adjusting nuts (94) at the bottom surface of the ball hinge framework (1).

3. The bridge swivel support apparatus according to claim 1, wherein: The steel support feet (5) and the upper slide way (4) are fixedly provided with a gasket (52).

4. The bridge swivel support apparatus according to claim 1, wherein: The lower slide way (3) and the upper slide way (4) are filled with lubricating grease, and the lower slide way (3) and the upper slide way (4) are provided with a sealing ring structure along the circumference.

5. The bridge swivel support apparatus according to claim 1, wherein: The piston rod of the hydraulic damper (6) is fixedly provided with a top block (61) at the upper end, and the top block (61) is supported at the bottom surface of the upper cap (8).

6. The bridge swivel support apparatus according to claim 1, wherein: The arc limit plate (81) is provided with an arc-shaped groove (811), and the embedded rod (10) is slidably installed along the arc-shaped groove (811).

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