CN210975564U

CN210975564U - Bridge structure of turning

Info

Publication number: CN210975564U
Application number: CN201921470002.1U
Authority: CN
Inventors: 李国英; 吴红升; 梁瑞娟
Original assignee: Taiyuan Municipal Engineering Design And Research Institute
Current assignee: Taiyuan Municipal Engineering Design And Research Institute
Priority date: 2019-09-05
Filing date: 2019-09-05
Publication date: 2020-07-10
Anticipated expiration: 2029-09-05

Abstract

The utility model discloses a bridge structure of turning relates to bridge technical field that turns, specifically is a bridge structure of turning, including the pier, the upper surface of pier is provided with the jack, the upper surface of pier is provided with the support, the mid-mounting of pier has the axis of rotation, the upper end fixedly connected with cross of axis of rotation, the upper portion of pier is provided with the bridge backup pad, the lower fixed surface of bridge backup pad is connected with the spacing ring, the lower surface of bridge backup pad is provided with the universal wheel, the lower fixed surface of bridge backup pad is connected with the concave piece of cross, the concave piece of cross and the identical joint of cross. This bridge structure of turning through the setting of universal wheel, makes this bridge structure of turning possess and turns to light effect, can the auxiliary stay at the in-process that uses to play and reduced friction, the effect of auxiliary stay has reached easily pivoted purpose.

Description

Bridge structure of turning

Technical Field

The utility model relates to a bridge technical field that turns specifically is a bridge structure of turning.

Background

The bridge turning construction refers to a construction method that after a bridge structure is manufactured (poured or spliced) at a non-designed axis position and is formed, a bridge is turned in place. It can convert the operation over the obstacle into the operation on the shore or near the ground. According to the rotation direction of the bridge structure, it can be divided into a vertical swivel construction method, a horizontal swivel construction method (vertical swivel method and horizontal swivel method for short) and a method combining horizontal swivel and vertical swivel, wherein the horizontal swivel method is most applied. The support is mainly applied to the conditions that no support can be made such as the upper crossing canyons, rivers, railways, expressways and the like. The existing bridge turning structure generally realizes horizontal turning of the bridge through relative rotation of a jack and an upper rotary table and a lower rotary table.

The problems that exist are mainly: the friction is large in the relative rotation process, so that the rotation is not easy to realize; when the bridge is positioned on the rotating structure support, whether the bridge is stable enough in the rotating process or not and whether the bridge can be stably supported or not when the bridge rotates to a specified position or not.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a bridge structure of turning has solved the problem of proposing in the above-mentioned background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: including the pier, the upper surface of pier is provided with the jack, the upper surface of pier is provided with the support, the mid-mounting of pier has the axis of rotation, the upper end fixedly connected with cross of axis of rotation, the upper portion of pier is provided with the bridge backup pad, the lower fixed surface of bridge backup pad is connected with the spacing ring, the lower surface of bridge backup pad is provided with the universal wheel, the lower fixed surface of bridge backup pad is connected with the concave type piece of cross, the concave type piece of cross and the identical joint of cross.

Optionally, the inside of pier is provided with the cavity, the lower surface mounting of cavity has small-size jack, the upper end of small-size jack can be dismantled and be connected with the disc.

Optionally, the lower extreme fixedly connected with driven gear of axis of rotation, driven gear's the left and right sides all meshes the driving gear.

Optionally, the lower surface of the driven gear is provided with a plurality of positioning holes.

Optionally, the upper surface of the disc is fixedly connected with a plurality of positioning shafts.

Optionally, the number of the jacks is two, the number of the universal wheels is four, and the four universal wheels are distributed on the lower surface of the bridge supporting plate in an annular array.

The utility model provides a bridge structure of turning possesses following beneficial effect:

1. this bridge structure of turning, after putting down the jack, the concave type piece of cross is in the same place with the cross joint, and surface contact has been possessed with the bridge backup pad to the universal wheel, through the setting of universal wheel, makes this bridge structure of turning over possess and has turned to light effect, can the auxiliary stay at the in-process that uses to play and reduced the friction, the effect of auxiliary stay has reached easily pivoted purpose.

2. When the bridge turning structure rotates to a designated position, the small jack ascends, the positioning shaft is inserted into the positioning hole, and the device can be limited, so that the positioning effect is achieved, and the purpose of stably supporting the device after turning is achieved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic diagram of a second embodiment of the present invention;

fig. 3 is a cross-sectional view of the present invention;

fig. 4 is a schematic structural view of the driven gear of the present invention.

In the figure: 1. a bridge pier; 2. a jack; 3. a rotating shaft; 4. a cross; 5. a bridge support plate; 6. a limiting ring; 7. a universal wheel; 8. a cross concave block; 9. a cavity; 10. a small jack; 11. a disc; 12. positioning the shaft; 13. a driven gear; 14. a driving gear; 15. positioning holes; 16. and (4) a bracket.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a bridge structure of turning, includes pier 1, its characterized in that: the bridge structure is characterized in that a cavity 9 is arranged inside the bridge pier 1, small jacks 10 are arranged on the lower surface of the cavity 9, a disc 11 is detachably connected to the upper end of each small jack 10, positioning shafts 12 are fixedly connected to the upper surface of each disc 11, the number of the positioning shafts 12 is a plurality of, a support 16 is arranged on the upper surface of the bridge pier 1, jacks 2 are arranged on the upper surface of the bridge pier 1, the number of the jacks 2 is two, the number of the universal wheels 7 is four, the four universal wheels 7 are distributed on the lower surface of a bridge supporting plate 5 in a circular array mode, a rotating shaft 3 is arranged in the middle of the bridge pier 1, a cross 4 is fixedly connected to the upper end of the rotating shaft 3, a driven gear 13 is fixedly connected to the lower end of the rotating shaft 3, and driving gears 14 can be detachably connected to the left side and, the lower surface of the driven gear 13 is provided with a plurality of positioning holes 15, when positioning is needed, the small jack 10 rises, the positioning shaft 12 rises, the positioning holes 15 can be inserted with the positioning shaft 12, namely, the bridge swivel structure can limit in the using process through the matching arrangement of the positioning shaft 12, the small jack 10 and the positioning holes 15, so that the positioning effect is achieved, and the purpose of ensuring the stable support after the swivel rotates is achieved, the upper part of the pier 1 is provided with a bridge supporting plate 5, the lower surface of the bridge supporting plate 5 is fixedly connected with a limiting ring 6, the lower surface of the bridge supporting plate 5 is provided with universal wheels 7, the number of the universal wheels 7 is four, and the four universal wheels 7 are distributed on the lower surface of the bridge supporting plate 5 in a circular array form, and the bridge swivel structure, after putting down jack 2, cross concave block 8 and cross 4 joint,

universal wheel

7 and 5 upper surface contact of bridge backup pad, through the setting of universal wheel 7, make this bridge turn the structure possess and turn to light effect, can the auxiliary stay at the in-process that uses to play and reduced the friction, the effect of auxiliary stay has reached easily pivoted purpose, the lower fixed surface of bridge backup pad 5 is connected with cross concave block 8, the identical joint of cross concave block (8) and cross (4) has guaranteed to rotate steadily.

In summary, the bridge swivel structure is lifted by the jack 2 when the bridge swivel structure needs to rotate, the bracket 16 is taken out, then the jack 2 is put down, the cross concave block 8 is jointed with the cross 4, the universal wheel 7 is contacted with the upper surface of the bridge supporting plate 5, the power device drives the driving gear 14 to rotate, thereby driving the cross 4 and the cross concave block 8 to rotate and further driving the bridge supporting plate 5 to rotate, and the bridge rotating body structure has the effect of light steering through the arrangement of the universal wheels 7, can be supported in an auxiliary way in the using process, thereby playing the roles of reducing friction and supporting in an auxiliary way, achieving the purpose of easy rotation, when the small jack 10 is rotated to a designated position, the positioning shaft 12 is inserted into the positioning hole 15, the device can be limited, so that the positioning effect is achieved, and the purpose of stable support of the device after the rotation body is achieved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a bridge structure of turning, includes pier (1), its characterized in that: the upper surface of pier (1) is provided with jack (2), the upper surface of pier (1) is provided with support (16), the mid-mounting of pier (1) has axis of rotation (3), the upper end fixedly connected with cross (4) of axis of rotation (3), the upper portion of pier (1) is provided with bridge backup pad (5), the lower fixed surface of bridge backup pad (5) is connected with spacing ring (6), the lower surface of bridge backup pad (5) is provided with universal wheel (7), the lower fixed surface of bridge backup pad (5) is connected with the concave type piece of cross (8), the concave type piece of cross (8) and the identical joint of cross (4).

2. A bridge swivel structure according to claim 1, wherein: the interior of pier (1) is provided with cavity (9), the lower surface mounting of cavity (9) has small-size jack (10), the upper end of small-size jack (10) can be dismantled and be connected with disc (11).

3. A bridge swivel structure according to claim 1, wherein: the lower extreme fixedly connected with driven gear (13) of axis of rotation (3), driven gear (13)'s the left and right sides all meshes driving gear (14).

4. A bridge swivel structure according to claim 3, wherein: the lower surface of the driven gear (13) is provided with a plurality of positioning holes (15), and the number of the positioning holes (15) is several.

5. A bridge swivel structure according to claim 2, wherein: the upper surface of disc (11) is fixedly connected with location axle (12), the quantity of location axle (12) is a plurality of.

6. A bridge swivel structure according to claim 1, wherein: the number of jack (2) is two, the number of universal wheel (7) is four, and four universal wheel (7) are distributed on the lower surface of bridge backup pad (5) in the form of annular array.