Viaduct construction operation platform

Abstract

The viaduct construction operation platform comprises the movable portal frame, the lifting frame and the operation platform, the movable portal frame can move the viaduct construction operation platform to a construction section, the lifting frame is movably arranged on the movable portal frame, and the operation platform is arranged on the lifting frame. The lifting frame can drive the operation platform to move on the movable gantries and drive the operation platform to ascend and descend, constructors stand on the operation platform, construction of the constructors can be facilitated, the movable gantries are located on the two sides of the road, the operation platform is located above the road, construction of the viaduct is guaranteed, and normal passing of the road below is not affected. According to the viaduct construction operation platform, traffic is not closed in the construction process, normal traffic can be guaranteed, and constructors can conveniently conduct construction on the viaduct.

Description

Technical Field

[0001] The utility model belongs to the field of viaduct construction. Specifically, the utility model relates to a viaduct construction operation platform. Background Technique

[0002] In the reconstruction and expansion project of expressways, the main construction contents include but are not limited to: separating and newly building viaducts (sharing the same line with the existing expressway), widening the subgrade, reconstructing the median strip of the old road, treating the diseases of the old bridge and reconstructing the median strip, and reconstructing and expanding the interchange project, etc. The expansion is carried out in the way of "mainly separating and newly building, locally widening both sides, and locally changing the line and newly building". Under the premise of closing traffic and setting up safety protection measures such as protective sheds, it has a great impact on the existing expressway traffic, is difficult to meet the traffic requirements of the saturated traffic, affects the normal operation of traffic, and reduces the construction efficiency.

[0003] To solve the above problems, Patent Document 220079750U relates to a formwork support for urban viaducts, belonging to the technical field of urban viaduct construction. It includes side pile foundations, bearing platforms, steel pipe columns, bridge piers and Bailey girder beams. The bridge piers are respectively installed on the bearing platforms of their corresponding side pile foundations. Each bearing platform is provided with embedded bolts for installing steel pipe columns. The Bailey girder beam adopts a double-layer Bailey girder beam, and the Bailey girder beam is only erected on the corresponding steel pipe columns at both ends respectively, and is applicable to viaducts with a distance greater than 30m between adjacent two bridge piers. The utility model provides a clear-thinking and economical method for the formwork support of urban viaducts, ensuring the structural requirements and strength of the viaduct formwork, reducing the construction of intermediate pile foundations, saving construction time and cost, accelerating the construction period, and being able to make better use of the land space under the bridge. Summary of the Utility Model

[0004] The present utility model is made to solve the above problems, and aims to provide an elevated bridge construction operation platform that can keep traffic unclosed during the construction process, ensure the normal passage of traffic, and facilitate construction workers to construct the elevated bridge. To achieve the above purpose, the technical solution adopted by the present utility model is as follows:

[0005] The present utility model provides an elevated bridge construction operation platform, which has the following characteristics: it includes a mobile gantry, a lifting frame and an operation platform. The lifting frame is movably arranged on the mobile gantry, and the operation platform is arranged on the lifting frame. The operation platform is located above the road.

[0006] In the elevated bridge construction operation platform provided by the present utility model, it may further have the following characteristics: the mobile gantry includes side frames and a support frame. The side frames are arranged on both sides of the support frame, on both sides of the road, and the bottom of the side frames is provided with mobile wheel assemblies.

[0007] In the elevated bridge construction operation platform provided by the present utility model, it may further have the following features. The side frame includes a first cross beam and a first vertical beam. The first cross beam is connected to the first vertical beam, and a first reinforcing beam is provided between the first cross beam and the first vertical beam.

[0008] In the elevated bridge construction operation platform provided by the present utility model, it may further have the following features. The support frame includes a second cross beam, a second vertical beam, and a longitudinal beam. The end of the second vertical beam is connected to the end of the longitudinal beam, and the end of the second cross beam is connected to the longitudinal beam.

[0009] In the elevated bridge construction operation platform provided by the present utility model, it may further have the following features. A protective plate is provided on the support frame.

[0010] In the elevated bridge construction operation platform provided by the present utility model, it may further have the following features. A sliding assembly is provided between the lifting frame and the support frame. The sliding assembly includes a guide rail, a slider, and a sliding plate. The guide rail is arranged on the longitudinal beam on both sides of the support frame. The slider is movably arranged on the guide rail, and the slider is arranged on both sides of the sliding plate.

[0011] In the elevated bridge construction operation platform provided by the present utility model, it may further have the following features. The lifting frame is arranged on the sliding plate, and the lifting frame is a scissor lift table.

[0012] In the elevated bridge construction operation platform provided by the present utility model, it may further have the following features. The operation platform includes a bottom plate and a guardrail. The bottom plate is arranged on the lifting frame, and the guardrail is arranged at the edge of the bottom plate.

[0013] In the elevated bridge construction operation platform provided by the present utility model, it may further have the following features. Receiving plates are provided on both sides of the bottom plate.

[0014] In the elevated bridge construction operation platform provided by the present utility model, it may further have the following features. The mobile wheel assembly includes a traveling wheel and a driving motor. The traveling wheel is movably arranged at one end of the first vertical beam far from the support frame, and the driving motor is arranged on the first vertical beam. The driving motor is connected to the traveling wheel.

[0015] The technical effect of the present utility model is as follows. The elevated bridge construction operation platform provided by the present utility model includes a mobile gantry, a lifting frame, and an operation platform. The mobile gantry can move the elevated bridge construction operation platform to the construction section. The lifting frame is movably arranged on the mobile gantry, and the operation platform is arranged on the lifting frame. The lifting frame can drive the operation platform to move on the mobile gantry and drive the operation platform to lift. Construction workers stand on the operation platform, which facilitates construction by the construction workers. The mobile gantry is located on both sides of the road, and the operation platform is located above the road, ensuring the construction of the elevated bridge without affecting the normal traffic of the road below.

[0016] Therefore, the elevated bridge construction operation platform provided by the present utility model can keep the traffic unblocked during the construction process, ensure the normal passage of traffic, and facilitate the construction personnel to construct the elevated bridge. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] This specification includes the following drawings, and the shown contents are respectively:

[0018] Figure 1 It is a schematic structural diagram of the elevated bridge construction operation platform in the front view direction in the embodiment of the present utility model;

[0019] Figure 2 It is a schematic structural diagram of the elevated bridge construction operation platform in the side view direction in the embodiment of the present utility model;

[0020] Figure 3 It is a schematic structural diagram of the elevated bridge construction operation platform in the top view direction in the embodiment of the present utility model;

[0021] Figure 4 is Figure 2 a partial enlarged view of part A in

[0022] Figure 5 It is a schematic structural diagram of the elevated bridge construction operation platform during the construction process in the embodiment of the present utility model;

[0023] Figure 6 It is a schematic structural diagram of the splicing between the elevated bridge construction operation platforms in the embodiment of the present utility model.

[0024] The labels in the figure are: 10 - movable gantry, 11 - side frame, 111 - first cross beam, 112 - first vertical beam, 113 - first reinforcing beam, 12 - support frame, 121 - second cross beam, 122 - second vertical beam, 123 - longitudinal beam, 124 - second reinforcing beam, 13 - movable wheel assembly, 131 - traveling wheel, 132 - drive motor, 14 - protective plate, 20 - lifting frame, 30 - operation platform, 31 - bottom plate, 32 - guardrail, 33 - bearing plate, 40 - sliding assembly, 41 - guide rail, 42 - slider, 43 - sliding plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] The following will further describe in detail the specific embodiments of the present utility model with reference to the drawings through the description of the embodiments, aiming to help those skilled in the art have a more complete, accurate and in-depth understanding of the inventive concept and technical solution of the present utility model, and contribute to its implementation.

[0026] Figure 1 It is a schematic structural diagram of the elevated bridge construction operation platform in the front view direction in the embodiment of the present utility model;Figure 2 It is a schematic structural view of the elevated bridge construction operation platform in the side view direction in the embodiment of the present utility model; Figure 3 It is a schematic structural view of the elevated bridge construction operation platform in the top view direction in the embodiment of the present utility model.

[0027] As Figure 1 , Figure 2 and Figure 3 shown, the elevated bridge construction operation platform provided by the present utility model includes a mobile gantry 10, a lifting frame 20 and an operation platform 30. The mobile gantry 10 can move the elevated bridge construction operation platform to the construction section. The lifting frame 20 is movably arranged on the mobile gantry 10. The operation platform 30 is arranged on the lifting frame 20. The lifting frame 20 can drive the operation platform 30 to move on the mobile gantry 10 and drive the operation platform 30 to lift. Construction workers stand on the operation platform 30, which is convenient for construction workers to carry out construction. The mobile gantry 10 is located on both sides of the road, and the operation platform 30 is located above the road, ensuring the normal construction of the elevated bridge and not affecting the normal traffic of the road below, facilitating the construction of the elevated bridge by construction workers.

[0028] The mobile gantry 10 includes side frames 11 and a support frame 12. The side frames 11 are arranged on both sides of the support frame 12. The two side frames 11 are arranged parallel to each other, respectively located on both sides of the support frame 12, and the two side frames 11 are respectively located on both sides of the road under the construction elevated bridge, so as to support the support frame 12 and support the support frame 12 above the road, so that the mobile gantry 10 does not affect the normal traffic of the road 10. The bottom of the side frame 11 is provided with a mobile wheel assembly 13, and the mobile wheel assembly 13 can drive the mobile gantry 10 to move, so as to move the mobile gantry 10 to the construction section, improving the reliability of the structure.

[0029] The side frame 11 includes a first cross beam 111 and a first vertical beam 112. The first cross beam 111 and the first vertical beam 112 are connected. A plurality of first vertical beams 112 are arranged parallel to each other and evenly distributed on the first cross beam 111. A first strengthening beam 113 is arranged between the first cross beam 111 and the first vertical beam 112. The two ends of the first strengthening beam 113 are respectively connected to two adjacent first vertical beams 112, and the middle of the first strengthening beam 113 is connected to the first cross beam 111. A plurality of first strengthening beams 113 are arranged obliquely and crosswise, so as to enhance the structural stability and load-bearing capacity of the side frame 11 and ensure the structural strength of the side frame 11 during the construction process.

[0030] The support frame 12 includes a second cross beam 121, second vertical beams 122, and longitudinal beams 123. The ends of the second vertical beams 122 are connected to the longitudinal beams 123, the ends of the second cross beam 121 are connected to the longitudinal beams 123, both ends of the second vertical beams 122 are respectively connected to the ends of two longitudinal beams 123, and the four longitudinal beams 123 are connected parallel to each other, such that the support frame 12 is in the shape of a cuboid. This enhances the structural stability and load-bearing capacity of the support frame 12. The support frame 12 further includes a second reinforcing beam 124. Both ends of the second reinforcing beam 124 are respectively connected to the longitudinal beam 123 and the second cross beam 121. The second reinforcing beam 124 is disposed obliquely and crosswise between the longitudinal beam 123 and the second cross beam 121, thereby further enhancing the structural stability and load-bearing capacity of the support frame 12.

[0031] The mobile wheel assembly 13 includes traveling wheels 131 and a driving motor 132. The traveling wheels 131 are rotatably disposed on the first vertical beam 112, at one end of the first vertical beam 112 away from the support frame 12. The driving motor 132 is disposed on the first vertical beam 112. The driving motor 132 is connected to the traveling wheels 131 through a belt drive. The traveling wheels 131 are evenly disposed at the bottom of the mobile gantry 10, at the four corner positions of the mobile gantry 10, and can stably drive the mobile gantry 10 to move.

[0032] The mobile gantry 10 further includes a protective plate 14. The protective plate 14 is provided on the support frame 12. The protective plate 14 is located at the top of the support frame 10. The protective plate 14 can prevent objects from falling or personnel from falling during the construction of the elevated bridge, improving safety, ensuring the safety of construction workers, and at the same time, avoiding objects from falling and injuring pedestrians or vehicles on the road.

[0033] Figure 4 Yes Figure 2 Partial enlarged view of part A.

[0034] As Figure 4 As shown, a sliding assembly 40 is provided between the lifting frame 20 and the support frame 12. The sliding assembly 40 includes guide rails 41, sliders 42, and a sliding plate 43. The guide rails 41 are disposed on the longitudinal beam 123. The guide rails 41 are arranged along the length direction of the longitudinal beam 123. The two guide rails 41 are arranged parallel to each other, on both sides of the support frame 12. The sliders 42 are adapted to the guide rails 41 and are slidably disposed on the guide rails 41. The sliders 42 are disposed on both sides of the sliding plate 43, such that the sliding plate 43 can be movably disposed on the support frame 12 along the length direction of the longitudinal beam 123. The lifting frame 20 is disposed on the sliding plate 43, such that the sliding plate 43 can drive the lifting frame 20 to move. The lifting frame 20 is a scissor lift table and can drive the operation platform 30 to lift. Through the lifting frame 20 and the sliding assembly 40, the translation and lifting movements of the operation platform 30 can be realized, thereby facilitating the adjustment of the position of the operation platform according to the construction conditions and improving the reliability of the structure.

[0035] The operating platform 30 includes a bottom plate 31 and a guardrail 32. The bottom plate 31 is arranged on the lifting frame 20, and the guardrail 32 is arranged at the edge of the bottom plate 31. The guardrail 32 surrounds the bottom plate 31 in a circle and can protect construction workers. The two sides of the bottom plate 31 are also provided with receiving plates 33. The receiving plates 33 are located on the two sides of the bottom plate 31 far from the side parallel to the longitudinal beam 123, which can further prevent objects from falling or personnel from falling during the construction of the high - level bridge, and further improve safety.

[0036] Figure 5 It is a schematic structural diagram of the high - level bridge construction operation platform in the construction process of the embodiment of the present utility model.

[0037] As Figure 5 shown, during the construction of the steel cover beam of the high - level bridge, it is moved by the moving gantry 10. The high - level bridge construction operation platform is moved to the construction section. Construction workers stand inside the operating platform 30. The position of the operating platform 30 is adjusted through the lifting frame 20 and the sliding assembly 40. Thus, during the hoisting process of the steel cover beam, it is convenient for construction workers to assist in positioning the steel cover beam. During the splicing process of the steel cover beam segments, it is convenient for construction workers to assist in welding the steel plates and bolts between the segments. After the installation of the steel cover beam is completed, construction workers can also assist in the installation of the upper - structure main beam, the installation and removal of the wet - joint formwork, and the concrete pouring, which can effectively improve the construction efficiency of the high - level bridge, reduce the construction period of the high - level bridge. At the same time, it ensures that the traffic is not closed during the construction period and can ensure the normal passage of traffic.

[0038] Figure 6 It is a schematic structural diagram of the splicing between the high - level bridge construction operation platforms in the embodiment of the present utility model.

[0039] As Figure 6 shown, during the construction process, to adapt to the segment - splicing construction process, at least two high - level bridge construction operation platforms can be connected by hinges, so as to facilitate multi - segment construction, further improve the construction efficiency, and shorten the construction period.

[0040] Functions and effects of the embodiment

[0041] The elevated bridge construction operation platform provided by the utility model comprises a mobile gantry 10, a lifting frame 20 and an operation platform 30. The mobile gantry 10 can move the elevated bridge construction operation platform to the construction section. The lifting frame 20 is movably arranged on the mobile gantry 10. The operation platform 30 is arranged on the lifting frame 20. The lifting frame 20 can drive the operation platform 30 to move on the mobile gantry 10 and drive the operation platform 30 to lift. Construction workers stand on the operation platform 30, which is convenient for construction workers to carry out construction. The mobile gantry 10 is located on both sides of the road, and the operation platform 30 is located above the road, ensuring the normal construction of the elevated bridge and not affecting the normal traffic of the road below, which is convenient for construction workers to construct the elevated bridge. The elevated bridge construction operation platform provided by the utility model can not close the traffic during the construction process, can ensure the normal traffic, and is convenient for construction workers to construct the elevated bridge.

[0042] The above has described the utility model by way of example in conjunction with the accompanying drawings. Obviously, the specific implementation of the utility model is not limited by the above methods. As long as various non-substantive improvements are made by adopting the method concept and technical solution of the utility model; or without improvement, the above concept and technical solution of the utility model are directly applied to other occasions, they are all within the protection scope of the utility model.

Claims

1. An elevated bridge construction work platform, characterized in that: The invention comprises a movable gantry (10), a lifting frame (20) and an operating platform (30); the lifting frame (20) is movably arranged on the movable gantry (10); the operating platform (30) is arranged on the lifting frame (20); and the operating platform (30) is located above a road.

2. The elevated bridge construction work platform according to claim 1, characterized in that: The movable gantry (10) comprises a side frame (11) and a supporting frame (12); the side frame (11) is arranged on both sides of the supporting frame (12) and is located on both sides of the road; a movable wheel assembly (13) is provided at the bottom of the side frame (11).

3. The elevated bridge construction work platform according to claim 2, characterized in that: The side frame (11) comprises a first cross beam (111) and a first vertical beam (112); the first cross beam (111) is connected to the first vertical beam (112); and a first reinforcing beam (113) is provided between the first cross beam (111) and the first vertical beam (112).

4. The elevated bridge construction work platform according to claim 3, characterized in that: The support frame (12) comprises a second cross beam (121), a second vertical beam (122) and a longitudinal beam (123), wherein an end of the second vertical beam (122) is connected to an end of the longitudinal beam (123), and an end of the second cross beam (121) is connected to the longitudinal beam (123).

5. The elevated bridge construction work platform according to claim 4, characterized in that: A protective plate (14) is provided on the supporting frame (12).

6. The elevated bridge construction work platform according to claim 5, characterized in that: A sliding assembly (40) is provided between the lifting frame (20) and the supporting frame (12), and the sliding assembly (40) comprises a guide rail (41), a slider (42) and a slide plate (43), wherein the guide rail (41) is provided on the longitudinal beam (123) and is located on both sides of the supporting frame (12), and the slider (42) is movably provided on the guide rail (41), and the slider (42) is provided on both sides of the slide plate (43).

7. The elevated bridge construction work platform according to claim 6, characterized in that: The lifting frame (20) is arranged on the slide plate (43), and the lifting frame (20) is a scissor-type lifting platform.

8. The elevated bridge construction work platform according to claim 7, characterized in that: The operating platform (30) comprises a bottom plate (31) and a guardrail (32); the bottom plate (31) is arranged on the lifting frame (20); and the guardrail (32) is arranged on the edge of the bottom plate (31).

9. The elevated bridge construction work platform according to claim 8, characterized in that: Receiver plates (33) are provided on both sides of the bottom plate (31).

10. The elevated bridge construction work platform according to claim 2, characterized in that: The moving wheel assembly (13) comprises a walking wheel (131) and a driving motor (132); the walking wheel (131) is movably arranged on one end of the first vertical beam (112) away from the supporting frame (12); the driving motor (132) is arranged on the first vertical beam (112); and the driving motor (132) is connected to the walking wheel (131).

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