Self-climbing type highway circular pier column overhauling platform

Abstract

The utility model relates to the technical field of road construction, in particular to a self-climbing type highway circular pier column overhauling platform. Comprising a cantilever hanger and an operation platform, the cantilever hanger is arranged at the top of a circular pier column, the operation platform surrounds the outer side of the circular pier column, a winch is arranged on the operation platform and connected with a steel wire rope, one end, away from the winch, of the steel wire rope is connected with the cantilever hanger, and a falling protector is connected between the operation platform and the cantilever hanger. The device can be used for overhauling the round pier column of the middle straining beam of the expressway, secondary disassembly of the platform is not needed, the overhauling can be completed in one step, the cost of related measures in the overhauling process is reduced, the pier column overhauling efficiency is improved, and the safety of operators in the pier column overhauling process is improved. The circular pier column maintenance platform is mainly applied to the aspect of circular pier column maintenance platforms.

Description

Technical Field

[0001] The utility model relates to the technical field of road construction, and more specifically to a self-climbing highway circular pier maintenance platform. Background Art

[0002] At present, with the development of my country's national economy, bridge projects are constantly updated, and higher requirements are put forward for project quality, and higher standards and requirements are put forward for the inspection and maintenance of bridge projects. Highway bridge piers are generally circular piers, and the construction height is generally between 10-30m. During the construction process of the piers, simple ladders or vehicle-mounted lifting vehicles are used for operation. After the pier construction is completed, if the pier is to be repaired, it is necessary to set up scaffolding around the pier or use a vehicle-mounted lifting vehicle for construction, which is time-consuming and labor-intensive. At the same time, after the pier construction is completed, the construction access road is damaged, and the vehicle-mounted lifting basket cannot be operated, which brings great inconvenience to the inspection and maintenance of the pier. Utility Model Content

[0003] In order to overcome the deficiencies in the above-mentioned prior art, the utility model provides a self-climbing highway circular pier maintenance platform. The maintenance platform can meet the needs of the maintenance of circular piers with center beams on highways, without the need to dismantle the platform twice, and can be completed in one step, thereby reducing the cost of related measures during the maintenance process, improving the efficiency of pier maintenance, and increasing the safety of operators during the pier maintenance process, and is not limited by the height of the pier.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0005] A self-climbing highway circular pier maintenance platform comprises a cantilever hanger and an operating platform, wherein the cantilever hanger is arranged on the top of the circular pier, the operating platform is arranged around the outside of the circular pier, a winch is arranged on the operating platform, the winch is connected to a steel wire rope, one end of the steel wire rope away from the winch is connected to the cantilever hanger, and a fall arrester is connected between the operating platform and the cantilever hanger.

[0006] The cantilever hanger comprises a hanger body and a limiting rod. The hanger body is fixedly arranged on the top of the circular pier column. The hanger body adopts a Y-shaped structure, and the limiting rod is arranged at the end of the hanger body.

[0007] The included angle between two adjacent hanger arms on the hanger body is 120°.

[0008] The operating platform comprises a platform frame and a guardrail. The platform frame is arranged in a C-shaped structure. The guardrail is arranged around the periphery of the platform frame. A platform pedal is arranged on the upper surface of the platform frame.

[0009] The operating platform comprises two symmetrically arranged semi-C-shaped platform frames, and a connecting plate is used between the two sets of semi-C-shaped platform frames, which are fixedly connected by bolts.

[0010] The cantilever hanger is provided with a U-shaped clip, and one end of the steel wire rope away from the hoist is connected to the cantilever hanger through the U-shaped clip.

[0011] A plurality of sets of universal wheels are arranged on the inner edge of the operating platform.

[0012] The universal wheel is connected to the operating platform via an adjusting rod, the adjusting rod comprises a screw and a threaded sleeve, the screw is fixedly connected to the operating platform, the threaded sleeve is threadedly connected to the screw, and one end of the threaded sleeve away from the screw is connected to the universal wheel.

[0013] A movable groove is formed at one end of the threaded sleeve away from the screw rod, a movable column is slidably arranged in the movable groove, the movable column is connected to the universal wheel, and the movable column is connected to the inner bottom surface of the movable groove through a spring.

[0014] The setting position of the hoist corresponds to the hanger arm of the hanger body.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The cantilever hanger with Y-shaped structure can be stably set on the circular pier, providing stable connection guarantee for the lifting and lowering of the platform; the operating platform with C-shaped structure can be set around the circular pier, which is convenient for construction workers to carry out construction operations. At the same time, the position of the platform gap coincides with the position of the middle beam, ensuring that the platform passes smoothly at the position of the middle beam; the operating platform composed of two halves of the C-shaped platform frame is convenient for the transfer and erection of the operating platform, and meets the turnover use on the construction site; the winch and wire rope can stably control the lifting and lowering of the operating platform; the setting of the limit rod and U-shaped card ensures the hanging stability of the wire rope; the setting of the universal wheel provides stable support for the lifting and lowering of the operating platform along the circular pier, avoiding the shaking of the operating platform; the setting of the adjustment rod enables the universal wheel to adjust its position according to the diameter of the pier to ensure the fit of the universal wheel, and the setting of the spring reduces the impact of shaking on the universal wheel and improves the stability of the operating platform. The maintenance platform can meet the maintenance needs of circular piers with center tie beams on highways. There is no need to dismantle the platform twice, and it can be completed in one step, reducing the cost of related measures in the maintenance process, improving the efficiency of pier maintenance, and increasing the safety of operators during the pier maintenance process. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the operation of the utility model;

[0018] Figure 2 This is a front view of the utility model;

[0019] Figure 3 It is a top view of the utility model;

[0020] Figure 4 It is a top view of the operating platform of the utility model;

[0021] Figure 5 This is a disassembly diagram of the operating platform of the utility model;

[0022] Figure 6 It is a schematic diagram of the interior of the adjustment rod in the utility model;

[0023] Figure 7 This is a schematic diagram of a U-shaped card in the utility model;

[0024] In the figure: 1 is a cantilever hanger, 2 is a hanger body, 3 is a limit rod, 4 is an operating platform, 5 is a semi-C-shaped platform frame, 6 is a platform frame, 7 is a platform pedal, 8 is a guardrail, 9 is a bolt, 10 is a winch, 11 is a wire rope, 12 is a U-shaped card, 13 is a universal wheel, 14 is an adjustment rod, 15 is a screw rod, 16 is a threaded sleeve, 17 is a movable groove, 18 is a movable column, and 19 is a spring. DETAILED DESCRIPTION

[0025] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0026] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0027] like Figures 1 to 7 As shown, a self-climbing highway circular pier maintenance platform includes a cantilever hanger 1 and an operating platform 4. The cantilever hanger 1 is arranged on the top of the circular pier, and the operating platform 4 is arranged around the outside of the circular pier. A winch 10 is arranged on the operating platform 4, and the winch 10 is connected to a steel wire rope 11. The end of the steel wire rope 11 away from the winch 10 is connected to the cantilever hanger 1, and a fall arrester is connected between the operating platform 4 and the cantilever hanger 1. Before construction and maintenance, the cantilever hanger 1 is fixedly installed on the circular pier, the operating platform 4 is arranged outside the circular pier, and the steel wire rope 11 is fixedly connected to the cantilever hanger 1. The winch 10 on the operating platform 4 cooperates with the steel wire rope 11 to control the lifting and lowering of the operating platform 4.

[0028] Preferably, the cantilever hanger 1 includes a hanger body 2 and a limiting rod 3, the hanger body 2 is fixedly arranged on the top of the circular pier, the hanger body 2 adopts a Y-shaped structure, and the limiting rod 3 is arranged at the end of the hanger body 2. The limiting rod 3 is used to prevent the steel wire rope 11 on the cantilever hanger 1 from falling off, thereby improving the connection stability.

[0029] Preferably, the angle between two adjacent hanger arms on the hanger body 2 is 120°.

[0030] Preferably, the operating platform 4 includes a platform frame 6 and a guardrail 8. The platform frame 6 adopts a C-shaped structure, the guardrail 8 is arranged around the periphery of the platform frame 6, and a platform pedal 7 is set on the upper surface of the platform frame 6. The platform pedal 7 is matched with the bottom shape of the platform frame 6, which reduces the transportation and turnover pressure of the operating platform 4 and is convenient and quick to assemble.

[0031] Preferably, the operating platform 4 includes two symmetrically arranged semi-C-shaped platform frames 5, and a connecting plate is used between the two sets of semi-C-shaped platform frames 5, which are fixedly connected by bolts 9. The operating platform constructed by the two semi-C-shaped platform frames 5 improves the size adaptability of the operating platform 4 to the pier column.

[0032] Preferably, a U-shaped clip 12 is provided on the cantilever hanger 1 , and one end of the steel wire rope 11 away from the winch 10 is connected to the cantilever hanger 1 through the U-shaped clip 12 .

[0033] Preferably, a plurality of sets of universal wheels 13 are arranged on the inner edge of the operating platform 4 .

[0034] Preferably, the universal wheel 13 is connected to the operating platform 4 through an adjustment rod 14, the adjustment rod 14 includes a screw 15 and a threaded sleeve 16, the screw 15 is fixedly connected to the operating platform 4, the threaded sleeve 16 is threadedly connected to the screw 15, and one end of the threaded sleeve 16 away from the screw 15 is connected to the universal wheel 13. By rotating and adjusting the threaded sleeve 16, the position of the universal wheel 13 can be finely adjusted so that the universal wheel 13 is close to and contacts the pier column.

[0035] Preferably, a movable groove 17 is formed at one end of the threaded sleeve 16 away from the screw rod 15, a movable column 18 is slidably arranged in the movable groove 17, the movable column 18 is connected to the universal wheel 13, and the movable column 18 is connected to the inner bottom surface of the movable groove 17 through a spring 19. Even if the operating platform 4 shakes, the universal wheel 13 can absorb part of the vibration under the action of the spring, thereby preventing the operating platform 4 from shaking violently and improving construction safety.

[0036] Preferably, the setting position of the winch 10 corresponds to the hanger arm of the hanger body 2.

[0037] When in use, the cantilever hanger 1 is fixedly installed on the top of the pier to be inspected, the wire rope 11 and the U-shaped card 12 are installed, the operating platform 4 is assembled, the operating platform 4 is arranged around the pier, the winch 10 is arranged corresponding to the cantilever hanger 1, and each winch 10 is controlled by wire through the controller. The operation of the winch 10 is realized by the operation of the winch 10 to realize the lifting and lowering of the operating platform 4.

[0038] Only the preferred embodiments of the present invention are described in detail above, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of the present invention, and various changes should be included in the protection scope of the present invention.

Claims

1. A self-climbing highway circular pier maintenance platform, characterized by: The invention comprises a cantilever hanger (1) and an operating platform (4), wherein the cantilever hanger (1) is arranged on the top of a circular pier, the operating platform (4) is arranged around the outside of the circular pier, a winch (10) is arranged on the operating platform (4), the winch (10) is connected to a steel wire rope (11), one end of the steel wire rope (11) away from the winch (10) is connected to the cantilever hanger (1), and a fall arrester is connected between the operating platform (4) and the cantilever hanger (1).

2. A self-climbing highway circular pier maintenance platform according to claim 1, characterized in that: The cantilever hanger (1) comprises a hanger body (2) and a limit rod (3); the hanger body (2) is fixedly arranged on the top of a circular pier column; the hanger body (2) adopts a Y-shaped structure; and the limit rod (3) is arranged at the end of the hanger body (2).

3. The self-climbing highway circular pier maintenance platform according to claim 2, characterized in that: The included angle between two adjacent hanger arms on the hanger body (2) is 120°.

4. The self-climbing highway circular pier maintenance platform according to claim 1, characterized in that: The operating platform (4) comprises a platform frame (6) and a guardrail (8); the platform frame (6) is arranged in a C-shaped structure; the guardrail (8) is arranged around the periphery of the platform frame (6); and a platform pedal (7) is arranged on the upper surface of the platform frame (6).

5. The self-climbing highway circular pier maintenance platform according to claim 1, characterized in that: The operating platform (4) comprises two symmetrically arranged semi-C-shaped platform frames (5), wherein a connecting plate is used between the two sets of semi-C-shaped platform frames (5) and fixedly connected by bolts (9).

6. The self-climbing highway circular pier maintenance platform according to claim 1, characterized in that: The cantilever hanger (1) is provided with a U-shaped clip (12), and the end of the steel wire rope (11) away from the hoist (10) is connected to the cantilever hanger (1) via the U-shaped clip (12).

7. The self-climbing highway circular pier maintenance platform according to claim 1, characterized in that: A plurality of sets of universal wheels (13) are arranged on the inner edge of the operating platform (4).

8. The self-climbing highway circular pier maintenance platform according to claim 7, characterized in that: The universal wheel (13) is connected to the operating platform (4) via an adjustment rod (14); the adjustment rod (14) comprises a screw rod (15) and a threaded sleeve (16); the screw rod (15) is fixedly connected to the operating platform (4); the threaded sleeve (16) is threadedly connected to the screw rod (15); and one end of the threaded sleeve (16) away from the screw rod (15) is connected to the universal wheel (13).

9. The self-climbing highway circular pier maintenance platform according to claim 8, characterized in that: A movable groove (17) is formed at one end of the threaded sleeve (16) away from the screw rod (15), a movable column (18) is slidably arranged in the movable groove (17), the movable column (18) is connected to the universal wheel (13), and the movable column (18) is connected to the inner bottom surface of the movable groove (17) via a spring (19).

10. The self-climbing highway circular pier maintenance platform according to claim 2, characterized in that: The installation position of the hoist (10) corresponds to the hanger arm of the hanger body (2).

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