Box girder post-pouring cross beam construction operation platform

Abstract

The utility model relates to the technical field of civil engineering, and particularly discloses a box girder post-pouring cross beam construction operation platform. The lifting platform comprises a platform body, the platform body comprises a main frame formed by welding a plurality of steel pipes, a mounting section is arranged in the main frame, and a lifting table is arranged in the mounting section; the bottom of the main frame is provided with an opening for the lifting platform to pass through, and the top of the main frame is provided with a winch for hoisting the lifting platform. And meanwhile, carrying is conducted through the frame cage, the single-time carrying amount is large, and the carrying efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of civil engineering technology, and more specifically, to a construction operation platform for post-cast crossbeams of box girders. Background Technology

[0002] With the continuous improvement of domestic construction technology, in the construction of prestressed small box girders for highways and crossbeams and end crossbeams of railway T-beams, wooden formwork is usually used for tie-down construction, and workers need to work under the box girder. In this construction process, steel bars and formwork are often passed manually in conjunction with simple suspended scaffolds, or aerial work platforms are used to transport construction equipment. This process relies on manual transfer of steel bars and formwork, which is time-consuming and labor-intensive. The simple suspended scaffolds pose significant safety risks and are not easy to move. Aerial work platforms are large in size, have high requirements for construction site conditions, and impose great restrictions on construction. Utility Model Content

[0003] This utility model provides a construction platform for post-cast crossbeams of box girders, which can overcome some or all the defects of the prior art.

[0004] According to the present invention, a construction platform for post-cast crossbeams of box girders includes: a platform body, the platform body including a main frame welded from multiple steel pipes, an installation area inside the main frame, and a lifting platform inside the installation area; an opening at the bottom of the main frame for the lifting platform to pass through, and a winch at the top of the main frame for hoisting the lifting platform.

[0005] With this invention, when construction workers use the work platform to move construction equipment such as steel bars, they first push the main frame, causing the four rollers at the bottom of the main frame to roll, thus moving the main frame to the designated location, facilitating the movement of the work platform. Once the main frame is in place, the workers start the winch, which lowers the lifting platform. After the platform is lowered below the box girder, the workers below the box girder open the door panel and the frame cage, then move the required construction equipment into the cage. After the equipment is moved, the workers close the door panel and secure it to the frame cage with pins to prevent the door panel from opening and causing the equipment to fall and injure people when the winch lifts the frame cage upwards. Once the frame cage is lifted above the box girder, the workers open the door panel and remove the construction equipment from inside the box girder. Compared with existing technologies, this platform eliminates the need for manual handling, saving manpower; at the same time, the use of the frame cage allows for a larger single-transport capacity, improving handling efficiency.

[0006] Preferably, the lifting platform includes a rectangular frame cage, with a door panel hinged to the frame cage on one side.

[0007] With this invention, the door panel is used to block the construction equipment transported inside the frame cage, preventing it from falling off during transportation.

[0008] Preferably, a guide assembly is provided between the main frame and the cage. The guide assembly includes a connector provided at the main frame and a guide provided at the cage. The connector includes an upright connected to the main frame. A first connecting block is provided on the side wall of the upright and facing the cage. A sleeve is provided at the end of the first connecting block away from the upright. The guide includes a guide rod provided along the height direction of the main frame and passing through the sleeve. A second connecting block is provided at the lower end of the guide rod and connected to the cage.

[0009] With this invention, during the hoisting process of the frame cage by the winch, the guide rod will rise or fall along the sleeve, thereby improving the stability of the frame cage during movement. At the same time, when the frame cage stops moving, the sleeve fixes the guide rod to prevent the frame cage from shaking, thus making it convenient for construction personnel to move construction equipment into or out of the frame cage.

[0010] Preferably, a baffle is provided at the end of the guide rod away from the second connecting block.

[0011] With this invention, during the descent of the cage, the guide rod descends along the sleeve, and eventually the baffle at the top of the guide rod will come into contact with the sleeve and be blocked by the sleeve, thus preventing the guide rod from separating from the sleeve; the baffle is connected to the guide rod by welding.

[0012] Preferably, the main frame is equipped with casters at the bottom.

[0013] This invention allows the rollers to move the main frame, making it easier for construction workers to move the platform.

[0014] Preferably, the cage is equipped with a clamp for connecting the winch rope and the cage.

[0015] With this invention, installers can easily and quickly connect the frame cage and the winch rope using clamps. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the main body of the platform in Example 1.

[0017] Figure 2 This is a schematic diagram of the main frame in Example 1.

[0018] Figure 3 This is a schematic diagram of the connector in Example 1.

[0019] Figure 4 This is a schematic diagram of the front of the frame cage in Example 1.

[0020] Figure 5 This is a schematic diagram of the back of the frame cage in Example 1.

[0021] Figure 6This is a schematic diagram of the guide component in Example 1.

[0022] Figure 7 This is a schematic diagram of the guide component in Example 1.

[0023] Figure 8 This is a diagram showing the construction status of the platform in Example 1. Detailed Implementation

[0024] To further understand the content of this utility model, a detailed description of the utility model is provided in conjunction with the embodiments. It should be understood that the embodiments are merely illustrative and not limiting of the utility model.

[0025] Example 1

[0026] like Figure 1-8 As shown, this embodiment provides a construction platform for post-cast crossbeams of box girders, including a platform body 100. The platform body 100 includes a main frame 110 welded from multiple steel pipes. The main frame 110 has an installation section 270 inside, and a lifting platform 120 is provided in the installation section 270. The bottom of the main frame 110 has an opening 260 for the lifting platform 120 to pass through, and the top of the main frame 110 has a winch 130 for hoisting the lifting platform 120.

[0027] In this embodiment, when construction workers use the work platform to move construction equipment such as steel bars, they first push the main frame 110, causing the four rollers 230 at the bottom of the main frame 110 to roll, thereby moving the main frame 110 to the designated location, thus facilitating the movement of the work platform by the construction workers. After the main frame 110 has moved to the designated location, the construction workers start the winch 130, which lowers the lifting platform 120. Once the lifting platform 120 is lowered below the box girder, the construction workers below the box girder open the door panel 420 and open the frame cage. The necessary construction components are then moved into the frame cage. After the movement is completed, the construction personnel close the door panel 420 and secure it to the frame cage with pins. This prevents the door panel 420 from opening and causing the construction components to fall and injure people when the winch 130 lifts the frame cage upwards. Once the frame cage is lifted above the box girder, the construction personnel open the door panel 420 and remove the construction components from the box girder. Compared with existing technologies, this platform eliminates the need for manual handling, saving manpower. At the same time, the use of the frame cage allows for a larger single-transport capacity, improving handling efficiency.

[0028] The main frame is 110cm high, 200cm wide, and 150cm long. Its volume is relatively small compared to that of the aerial work platform, so it does not occupy the construction site and does not hinder the construction workers.

[0029] When constructing the main frame 110, two mounting frames are first welded together. Each mounting frame is made of four rectangular steel pipes connected end to end. Then, the two mounting frames are erected, and two rectangular steel pipes are welded to the top of the two mounting frames to connect them. Next, two rollers 230 are fixedly connected to the bottom of the two mounting frames with bolts. Finally, two support plates 250 are welded to the top of the two mounting frames, and the winch 130 is fixed to the two support plates 250 with bolts.

[0030] One end of the mounting frame is provided with a reinforcing plate 240 for connecting the two mounting frames. The reinforcing plate 240 is T-shaped and is used to improve the overall structural strength of the main frame 110. The ends of the two mounting frames away from the reinforcing plate 240 form an opening, which makes it convenient for installers to put the frame cage into the main frame 110.

[0031] In this embodiment, the lifting platform 120 includes a rectangular frame cage, and a door panel 420 hinged to the frame cage is provided on one side of the frame cage.

[0032] In this embodiment, the door panel 420 is used to block the construction equipment transported inside the frame cage, preventing it from falling off during transportation.

[0033] In this embodiment, a guide assembly is provided between the main frame 110 and the cage. The guide assembly includes a connector 220 disposed at the main frame 110 and a guide 410 disposed at the cage. The connector 220 includes a vertical rod 320 connected to the main frame 110. A first connecting block 310 is disposed on the side wall of the vertical rod 320 and is disposed in the direction of the cage. A sleeve 330 is disposed at the end of the first connecting block 310 away from the vertical rod 320. The guide 410 includes a guide rod 620 disposed along the height direction of the main frame 110 and passing through the sleeve 330. A second connecting block 630 is disposed at the lower end of the guide rod 620 and is connected to the cage.

[0034] In this embodiment, during the hoisting process of the frame cage by the winch 130, the guide rod 620 will rise or fall along the sleeve 330, thereby improving the stability of the frame cage during movement. At the same time, when the frame cage stops moving, the sleeve 330 fixes the guide rod 620 to prevent the frame cage from shaking, thus facilitating construction personnel to move construction equipment into or out of the frame cage.

[0035] In this embodiment, a baffle 610 is provided at the end of the guide rod 620 away from the second connecting block 630.

[0036] In this embodiment, during the descent of the cage, the guide rod 620 descends along the sleeve 330, and eventually the baffle 610 at the top of the guide rod 620 will come into contact with the sleeve 330 and be blocked by the sleeve 330 to prevent the guide rod 620 from separating from the sleeve 330; the baffle 610 is connected to the guide rod 620 by welding.

[0037] In this embodiment, the bottom of the main frame 110 is provided with rollers 230.

[0038] In this embodiment, the rollers 230 can move the main frame 110, thereby facilitating the transfer of the platform by construction personnel.

[0039] In this embodiment, a clamp 210 for connecting the winch 130 rope and the frame cage is provided above the frame cage.

[0040] In this embodiment, the installer connects the frame cage and the winch rope 130 using the clamp 210, making the installation simple and quick.

[0041] It is readily understood that those skilled in the art can combine, split, or reorganize the embodiments provided in this application to obtain other embodiments, all of which do not exceed the protection scope of this application.

[0042] The present invention and its embodiments have been described above illustratively. This description is not restrictive, and the embodiments shown are only part of the embodiments of the present invention. The actual structure is not limited to this. Therefore, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A construction platform for post-cast crossbeams of box girders, characterized in that: The platform includes a main body (100), which includes a main frame (110) welded from multiple steel pipes. The main frame (110) has an installation section (270) inside, and a lifting platform (120) is provided in the installation section (270). The bottom of the main frame (110) has an opening (260) for the lifting platform (120) to pass through, and the top of the main frame (110) has a winch (130) for hoisting the lifting platform (120).

2. The construction platform for post-cast crossbeams of box girders according to claim 1, characterized in that: The lifting platform (120) includes a rectangular frame cage, and a door panel (420) hinged to the frame cage on one side.

3. The construction platform for post-cast crossbeams of box girders according to claim 2, characterized in that: A guide assembly is provided between the main frame (110) and the cage. The guide assembly includes a connector (220) provided at the main frame (110) and a guide (410) provided at the cage. The connector (220) includes a pole (320) connected to the main frame (110). A first connecting block (310) is provided on the side wall of the pole (320) facing the cage. A sleeve (330) is provided at the end of the first connecting block (310) away from the pole (320). The guide (410) includes a guide rod (620) provided along the height direction of the main frame (110) and passing through the sleeve (330). A second connecting block (630) is provided at the lower end of the guide rod (620) and connected to the cage.

4. The construction platform for post-cast crossbeams of box girders according to claim 3, characterized in that: A baffle (610) is provided at the end of the guide rod (620) away from the second connecting block (630).

5. The construction platform for post-cast crossbeams of box girders according to claim 1, characterized in that: The main frame (110) has rollers (230) at the bottom.

6. The construction platform for post-cast crossbeams of box girders according to claim 1, characterized in that: The cage is equipped with a clamp (210) above it for connecting the winch (130) rope and the cage.

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