A rotatable bridge swivel device

Abstract

This invention discloses a rotatable bridge rotation device, comprising a bridge rotation mechanism for driving bridge rotation; a power mechanism for driving the bridge rotation mechanism to rotate; and a fixing mechanism for fixing the power mechanism to the ground. This invention uses a vehicle to pull a steel cable, which drives a lower gear to rotate. The lower gear then drives a lower fixed plate to rotate around the pier, causing the upper fixed plate to rotate synchronously. The upper fixed plate, through a lower drive block and an upper drive block, drives the bridge to rotate synchronously around the pier. This device is simple to operate, highly reliable, and can complete bridge rotation operations using only a vehicle as a power source, making it suitable for rotating various types of small bridges.

Description

Technical Field

[0001] This invention relates to the field of bridges, and more particularly to a rotatable bridge rotating device. Background Technology

[0002] The bridge rotation technology involves dividing the span of a bridge across a river, highway, or railway into two parts, constructing them separately on both banks or along the road. Once the superstructure is largely complete, the two parts are joined together as a single bridge by rotating the beams on the main piers on both banks. For example, patent application number 201010202695.3 discloses a bridge rotation device and a bridge rotation construction method. Specifically, the rotation device includes a spherical support, a support frame, and a track. The spherical support is located at the bottom of one end of the bridge, and the support frame is fixed to the end of the bridge with the spherical support. The track is arc-shaped with the spherical support as its center. A flexible cable or rigid component is stretched between the top of the support frame and the bridge. A lifting winch is also included, with the flexible cable on the winch connected to the top of the support frame. The flexible cable passes through a main sliding positioning component or the winch, which slides along the track, and is directly mounted on the main sliding platform on the track. The device also includes a rotation drive mechanism to drive the bridge rotation. This device ensures that the bridge does not sway during rotation, making the bridge stable, and it is also cost-effective and reusable.

[0003] However, such devices are mainly used on heavy bridges. For some small bridges, using these devices is not worthwhile, as they consume a lot of manpower, material resources, and financial resources, and improvements are needed. Summary of the Invention

[0004] The purpose of this invention is to provide a rotatable bridge rotating device to solve the above-mentioned technical problems.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0006] A rotatable bridge rotation device includes a bridge rotation mechanism for driving the bridge to rotate; a power mechanism for driving the bridge rotation mechanism to rotate; and a fixing mechanism for fixing the power mechanism to the ground.

[0007] Preferably, the bridge rotation mechanism includes: two lower fixed plates, each with a groove adapted to the bridge pier on one side close to each other; two upper fixed plates, each with a groove adapted to the bridge pier on one side close to each other; connecting blocks, each with a connecting block fixed at one end close to each other on one end close to each other on the two upper fixed plates; connecting screws, connecting two adjacent connecting blocks through multiple connecting screws; bearings, each with a bearing installed on the left and right sides of the top surface of the lower fixed plates, the outer ring of the bearing being fixedly connected to the lower fixed plate; a threaded tube, the threaded tube being fixedly installed through the upper fixed plate; a threaded rod, the threaded tube being sleeved on the threaded rod, the threaded tube and the threaded rod being threadedly engaged, the lower end of the threaded rod being fixedly connected to the inner ring of the bearing; a lower driving block, the lower driving block being fixedly connected to the top surface of the upper fixed plate; and an upper driving block, the upper driving block being fixedly connected to the bottom surface of the bridge.

[0008] Preferably, the bridge rotation mechanism further includes: support columns, and multiple support columns are fixedly provided on the bottom surface of the lower fixed plate.

[0009] Preferably, the power mechanism includes: an upper gear; a lower gear, two lower fixed plates combined in a circular shape, the edges of the lower fixed plates having tooth grooves that mesh with the lower gear; a connecting column, a connecting column fixed between the upper gear and the lower gear; and a steel cable, one end of the steel cable being fixedly connected to the connecting column, the steel cable being wound around the connecting column.

[0010] Preferably, the fixing mechanism includes a support column, the top of which is rotatably connected to the bottom surface of the lower gear.

[0011] Preferably, the fixing mechanism further includes an adjusting rod that passes through the upper gear, the connecting column, the lower gear, and the supporting column, and the adjusting rod is threadedly connected to the supporting column.

[0012] Preferably, the fixing mechanism further includes: an elastic plate, the lower end of which is connected to an adjusting rod via a hinge, and the upper end of which rests against the bottom of the supporting column.

[0013] Preferably, the adjusting rod is made of stainless steel.

[0014] The beneficial effects of this invention are:

[0015] This invention uses a car to pull a steel cable, which drives a lower gear to rotate. The lower gear then drives a lower fixed plate to rotate around the bridge pier, causing the upper fixed plate to rotate synchronously. The upper fixed plate, through a lower drive block and an upper drive block, drives the bridge to rotate synchronously around the bridge pier. This device is simple to operate, highly reliable, and can complete the bridge rotation operation using a car as a power source. It is suitable for rotating various types of small bridges. Attached Figure Description

[0016] Figure 1This is a schematic diagram of the structure of the present invention;

[0017] Figure 2 for Figure 1 Enlarged schematic diagram of part A;

[0018] Figure 3 for Figure 1 Enlarged schematic diagram of part B;

[0019] Figure 4 for Figure 1 Enlarged schematic diagram of part C;

[0020] Reference numerals: 1. Bridge; 2. Upper drive block; 3. Upper fixing plate; 4. Threaded rod; 5. Bearing; 6. Support column; 7. Pier; 10. Upper gear; 11. Steel cable; 12. Lower gear; 13. Threaded pipe; 15. Lower drive block; 16. Connecting block; 17. Connecting screw; 18. Hinge; 19. Adjusting rod; 20. Elastic plate; 21. Support column; 22. Connecting column; 23. Ground; 25. Lower fixing plate. Detailed Implementation

[0021] To make the technical means, creative features, achieved objectives, and effects of this invention easier to understand, the invention is further described below with reference to specific embodiments and accompanying drawings. However, the following embodiments are merely preferred embodiments of this invention and not all embodiments. Other embodiments obtained by those skilled in the art based on the embodiments described herein without creative effort are all within the protection scope of this invention.

[0022] Specific embodiments of the present invention are described below with reference to the accompanying drawings.

[0023] Example 1

[0024] like Figure 1-4 As shown, a rotatable bridge rotating device includes a bridge rotating mechanism for driving the bridge 1 to rotate; a power mechanism for driving the bridge rotating mechanism to rotate; and a fixing mechanism for fixing the power mechanism to the ground.

[0025] The bridge rotation mechanism includes: two lower fixed plates 25, each with a groove adapted to the pier 7 on one side close to each other; the lower fixed plates 25 are semi-circular, and the two lower fixed plates 25 are assembled into a circle; two upper fixed plates 3, each with a groove adapted to the pier 7 on one side close to each other; the upper fixed plates 3 are also semi-circular, and the two upper fixed plates 3 are also assembled into a circle; a connecting block 16, which is fixed at one end of the two lower fixed plates 25 and one end of the two upper fixed plates 3 close to each other; and a connecting screw 17, which connects two adjacent connecting blocks 16 through multiple connecting screws 17, the screws 17 passing through the connecting blocks 16 and being threadedly connected to the connecting blocks 16. Bearing 5: Bearing 5 is installed on both the left and right sides of the top surface of the lower fixed plate 25, and the outer ring of the bearing 5 is fixed to the lower fixed plate 25; Threaded pipe 13: Threaded pipe 13 is fixedly installed on the upper fixed plate 3; Threaded rod 4: Threaded pipe 13 is sleeved on threaded rod 4, and threaded pipe 13 and threaded rod 4 are threadedly engaged. The lower end of threaded rod 4 is fixed to the inner ring of bearing 5; Lower drive block 15: Lower drive block 15 is fixed to the top surface of the upper fixed plate 3 and is fixed to the left edge of the upper fixed plate 3; Upper drive block 2: Upper drive block 2 is located on the right side of pier 7 and is located at the rotation radius of lower drive block 15. Upper drive block 2 is fixed to the bottom surface of bridge 1; Support column 6: Multiple support columns 6 are fixed to the bottom surface of the lower fixed plate 25. The number of support columns 6 is five.

[0026] The power mechanism includes: an upper gear 10; a lower gear 12; two lower fixed plates 25 arranged in a circular shape, with tooth grooves on the edges of the lower fixed plates 25 that mesh with the lower gear 12, so that the two lower fixed plates 25 can be assembled into a complete gear; a connecting column 22, which is fixed between the upper gear 10 and the lower gear 12; and a steel cable 11, one end of which is fixed to the connecting column 22 and the steel cable 11 is wound around the connecting column 22.

[0027] The fixing mechanism includes: a support column 21, the top of which is rotatably connected to the bottom surface of the lower gear 12;

[0028] Working principle: In use, the two upper fixed plates 3 and the two lower fixed plates 25 surround the bridge pier 7. Then, the two adjacent connecting blocks 16 are connected by the connecting screw 17. Rotating the threaded rod 4 causes the threaded rod 4 to drive the threaded tube 13 to rise. The threaded tube 13 drives the upper fixed plate 3 to rise, so that the upper fixed plate 3 moves to the bottom of the bridge 1, so that the lower driving block 15 and the upper driving block 2 are on the same plane. Then, the connecting column 21 is inserted into the ground 23 for fixation, so that the lower gear 12 meshes with the lower fixed plate 25. The steel cable 11 is connected to the vehicle. The vehicle starts and pulls the steel cable 11. The steel cable 11 drives the upper gear 10 and the lower gear 12 to rotate through the connecting column 22, so that the lower gear 12 drives the lower fixed plate 25 to rotate. The lower fixed plate 25 drives the upper fixed plate 3 to rotate through the bearing 5 and the threaded rod 4, so that the lower driving block 15 drives the bridge 1 to rotate through the upper driving block 2, thus completing the rotation operation of the bridge 1.

[0029] Example 2

[0030] like Figure 1-4 As shown, while other parts are the same as in Embodiment 1, the difference between this embodiment and Embodiment 1 is that the fixing mechanism further includes: an adjusting rod 19, which is made of stainless steel and passes through the upper gear 10, the connecting column 22, the lower gear 12, and the supporting column 21. The adjusting rod 19 is threadedly connected to the supporting column 21; and an elastic plate 20, which is arc-shaped. Two elastic plates 20 are provided, located on the left and right sides of the adjusting rod 19 respectively. The lower end of the elastic plate 20 is connected to the adjusting rod 19 through a hinge 18, and the upper end of the elastic plate 20 abuts against the bottom of the supporting column 21.

[0031] Working principle: After the support column 21 is inserted into the ground, the adjusting rod 19 is rotated to move the adjusting rod 19 upward, so that the elastic plate 20 is subjected to force and bulges outward, thereby increasing the firmness of the support column 21 and the adjusting rod 19 in the soil.

[0032] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rotatable bridge rotating device, characterized in that: include A bridge rotation mechanism, which is used to drive the bridge (1) to rotate; The power mechanism is used to drive the bridge rotation mechanism to rotate; A fixing mechanism for fixing the power mechanism to the ground; The bridge rotation mechanism includes: Two lower fixing plates (25), each of the two lower fixing plates (25) having a groove adapted to the bridge pier (7) on the side that is close to each other; Two upper fixing plates (3) are provided with grooves that are adapted to the bridge pier (7) on the side of the two upper fixing plates (3) that are close to each other; Connecting block (16) is fixed at one end of the two lower fixing plates (25) that are close to each other and at one end of the two upper fixing plates (3) that are close to each other. Connecting screws (17) connect two adjacent connecting blocks (16) through multiple connecting screws (17); Bearing (5), bearings (5) are installed on both the left and right sides of the top surface of the lower fixing plate (25), and the outer ring of the bearing (5) is fixedly connected to the lower fixing plate (25); A threaded tube (13) is fixedly mounted on the upper fixing plate (3). The threaded rod (4) is fitted with the threaded tube (13), the threaded tube (13) is threadedly engaged with the threaded rod (4), and the lower end of the threaded rod (4) is fixedly connected to the inner ring of the bearing (5). The lower drive block (15) is fixedly connected to the top surface of the upper fixed plate (3); Upper drive block (2), which is fixedly connected to the bottom surface of bridge (1); The bridge rotation mechanism also includes: Support columns (6), multiple support columns (6) are fixed on the bottom surface of the lower fixing plate (25); The power mechanism includes: Upper gear (10); The lower gear (12) is formed by combining two lower fixing plates (25) in a circular shape, and the edges of the lower fixing plates (25) are provided with tooth grooves that mesh with the lower gear (12). A connecting column (22) is fixed between the upper gear (10) and the lower gear (12). A steel cable (11), one end of which is fixedly connected to a connecting post (22), and the steel cable (11) is wound around the connecting post (22); The fixing mechanism includes: A support column (21) is provided, the top of which is rotatably connected to the bottom surface of the lower gear (12); The fixing mechanism also includes: Adjusting rod (19) passes through upper gear (10), connecting column (22), lower gear (12), and support column (21), and the adjusting rod (19) is threadedly connected to the support column (21).

2. The rotatable bridge rotating device according to claim 1, characterized in that: The fixing mechanism also includes: The elastic plate (20) is connected to the adjusting rod (19) at its lower end via a hinge (18), and the upper end of the elastic plate (20) rests against the bottom of the supporting column (21).

3. The rotatable bridge rotating device according to claim 2, characterized in that: The adjusting rod (19) is made of stainless steel.

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