Door type walking safety device for large beam type U-shaped aqueduct body construction

Abstract

The utility model discloses a gate type walking safety device for construction of a large beam type U-shaped aqueduct body, and relates to the field of water conservancy construction, the gate type walking safety device comprises a walking mechanism and two sets of suspension type construction units, the walking mechanism is located above the U-shaped aqueduct body and comprises two cross beams arranged in parallel front and back, and N connecting beams are installed between the two cross beams; the walking mechanism can drive the two sets of suspension type construction units to move front and back along the U-shaped aqueduct body, so that the device can be conveniently moved to a proper construction area for construction, and the construction efficiency is improved. And the multiple layers of working platforms are installed in the construction hanging bracket, so that multi-layer synchronous construction can be achieved, the construction efficiency is improved, a safe and stable construction environment is provided for operators, and high-altitude falling can be effectively prevented.

Description

Technical Field

[0001] The utility model belongs to the field of water conservancy construction, and particularly relates to a gantry walking safety device for the construction of the body of a large beam-type U-shaped aqueduct. Background Technique

[0002] A U-shaped aqueduct is a water conveyance structure set up for crossing rivers, roads, deep gullies, etc.

[0003] After the in-situ casting of the body of a large beam-type U-shaped aqueduct in a water conservancy project, a post-cast strip needs to be reserved between two adjacent aqueduct bodies for the installation of post-cast strip steel bars of the U-shaped aqueduct body, formwork positioning, and quality inspection of the aqueduct body. Restricted by the environmental conditions, it is time-consuming and laborious to set up construction supports on the ground, and setting up construction supports on the top of the aqueduct piers is restricted by space, not convenient for construction, and has extremely high safety risks.

[0004] Therefore, we propose a gantry walking safety device for the construction of the body of a large beam-type U-shaped aqueduct to solve the above problems. Content of the Utility Model

[0005] In view of the above existing technical problems, the utility model provides a gantry walking safety device for the construction of the body of a large beam-type U-shaped aqueduct.

[0006] The solution adopted by the utility model to solve its technical problems is: a gantry walking safety device for the construction of the body of a large beam-type U-shaped aqueduct, which includes a walking mechanism and two groups of suspended construction units. The walking mechanism is located above the body of the U-shaped aqueduct and includes two cross beams arranged parallel to each other front and back. N connecting beams are installed between the two cross beams;

[0007] Two wheel frames are installed at the bottom of the cross beam, and brake wheels in contact with the body of the U-shaped aqueduct are installed at the bottom ends of the wheel frames;

[0008] The two groups of suspended construction units are respectively located on the left and right sides of the body of the U-shaped aqueduct. The suspended construction unit includes a construction hanging frame and M layers of working platforms;

[0009] The top end of the construction hanging frame is fixedly connected to the two cross beams. The M layers of working platforms are sequentially installed in the construction hanging frame from top to bottom, and the M layers of working platforms divide the construction hanging frame into M + 1 construction intervals;

[0010] Manholes are arranged on the working platforms, and safety doors that can be opened and closed are arranged on the manholes;

[0011] Ladders are arranged in each of the indicated construction intervals. The ladders are installed on the inner side of the construction hanging frame and correspond to the safety doors, so that the upper and lower two construction intervals can communicate with each other.

[0012] Preferably, the construction hanging frame is a frame structure assembled from multiple vertical rods and multiple horizontal rods.

[0013] Preferably, a safety net is provided on the outer side of the construction hanging frame.

[0014] Preferably, angle steels are welded between the bottom of the working platform and the inner side surface of the construction hanging frame.

[0015] Preferably, the working platform is composed of an anti-slip steel plate and a plurality of support members laid at the bottom of the anti-slip steel plate.

[0016] Preferably, the safety door and the working platform are connected by hinges.

[0017] Preferably, two protective fences are further included. The protective fences are arranged above the construction hanging frame, and their bottom ends are installed on two cross beams and corresponding two connecting beams.

[0018] Preferably, a plurality of jacks are installed on one side of the construction hanging frame close to the U-shaped aqueduct body.

[0019] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0020] 1. The traveling mechanism of the utility model can drive two groups of suspended construction units to move back and forth along the U-shaped aqueduct body, so as to move the device to a suitable construction area for construction. Moreover, multiple layers of working platforms are installed in the construction hanging frame, which can not only perform multi-layer synchronous construction to improve construction efficiency, but also provide a safe and stable construction environment for operators, and can effectively prevent high-altitude falls.

[0021] 2. The utility model has a simple structure, low production cost, good overall stability, can withstand a certain eccentric load, and can avoid safety accidents such as tipping over. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a front view sectional structure schematic diagram of the utility model;

[0023] Figure 2 is a top view structure schematic diagram of the cross beam and the connecting beam of the utility model;

[0024] Figure 3 is a top view structure schematic diagram of the construction hanging frame of the utility model.

[0025] In the figure: 11 cross beam, 12 wheel frame, 13 brake wheel, 14 connecting beam, 2 protective fence, 3 construction hanging frame, 4 ladder, 5 angle steel, 61 working platform, 62 hinge, 63 safety door, 7 jack. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] The following further describes the utility model with reference to the drawings and embodiments.

[0027] Please refer to Figures 1-3, the present utility model provides a technical solution for a gantry walking safety device used in the construction of the body of a large beam - type U - shaped aqueduct:

[0028] Embodiment 1:

[0029] According to Figures 1-3 As shown, it includes a walking mechanism and two groups of suspended construction units. The walking mechanism is located above the body of the U - shaped aqueduct. It includes two parallel cross - beams 11 arranged front and back. There are N connecting beams 14 installed between the two cross - beams 11. The cross - beams 11 are made of I - shaped steel, and the connecting beams 14 are made of channel steel.

[0030] Two wheel frames 12 are installed at the bottom of the cross - beam 11. At the bottom end of the wheel frame 12, brake wheels 13 in contact with the body of the U - shaped aqueduct are installed, making it convenient for the cross - beam 11 to move.

[0031] The two groups of suspended construction units are respectively located on the left and right sides of the body of the U - shaped aqueduct. The suspended construction unit includes a construction hanger 3 and M layers of working platforms 61. In this embodiment, there are four layers of working platforms 61 in total.

[0032] The construction hanger 3 is a frame structure assembled by multiple vertical rods and multiple horizontal rods. A safety net against falling is arranged on the outside of the construction hanger 3, providing a safe and stable construction environment for the operators and effectively preventing high - altitude falls. The top end of the construction hanger 3 is fixedly connected to the two cross - beams 11, enabling the cross - beams 11 to drive the construction hanger 3 to move back and forth along the body of the U - shaped aqueduct, so as to move the device to a suitable construction area for construction.

[0033] The working platform 61 is composed of anti - slip steel plates and multiple support members laid at the bottom of the anti - slip steel plates. The four - layer working platforms 61 are sequentially installed inside the construction hanger 3 from top to bottom. The four - layer working platforms 61 divide the construction hanger 3 into five construction intervals, and multi - layer synchronous construction can be carried out in the five construction intervals, improving the construction efficiency.

[0034] Manholes are provided on the working platform 61, and safety doors 63 are provided on the manholes. The safety doors 63 and the working platform 61 are connected by hinges 62, enabling the safety doors 63 to open and close.

[0035] Ladders 4 are provided in each of the shown construction intervals. The ladders 4 are installed on the inner side of the construction hanger 3 and correspond to the safety doors 63, enabling the upper and lower construction intervals to communicate with each other.

[0036] The structure of the present utility model is simple, the production cost is low, the overall stability is good, it can bear a certain eccentric load, and avoid safety accidents such as tipping over.

[0037] Embodiment 2:

[0038] On the basis of Embodiment 1, as Figure 1As shown, an angle steel 5 is welded between the bottom of the working platform 61 and the inner side of the construction hanging frame 3 to increase the connection strength between the working platform 61 and the construction hanging frame 3.

[0039] Embodiment 3:

[0040] On the basis of Embodiment 1, as Figure 1 shown, it further includes two protective fences 2. The protective fences 2 are arranged above the construction hanging frame 3, and their bottom ends are installed on two cross beams 11 and the corresponding two connecting beams 14.

[0041] Embodiment 4:

[0042] On the basis of Embodiment 1, as Figure 1 shown, a plurality of jacks 7 are installed on one side of the construction hanging frame 3 close to the U-shaped aqueduct body. In the parking state, by operating the jacks 7 to contact the U-shaped aqueduct body, the device can be more firmly attached to the U-shaped aqueduct body, restricting the swing and automatic sliding of the device.

Claims

1. A gantry-type walking safety device for large-scale beam-type U-shaped aqueduct body construction, comprising a walking mechanism and two sets of suspended construction units, characterized in that: The walking mechanism is located above the U-shaped aqueduct body, and includes two cross beams arranged in parallel front and back, and N connecting beams are installed between the two cross beams; Two wheel frames are installed at the bottom of the crossbeam, and brake wheels in contact with the U-shaped aqueduct body are installed at the bottom of the wheel frames; Two sets of suspended construction units are located on the left and right sides of the U-shaped aqueduct body. The suspended construction units include construction hangers and M-layer working platforms. The top of the construction hanger is fixedly connected to the two beams, and the M-layer working platforms are installed in the construction hanger from top to bottom. The M-layer working platforms divide the construction hanger into M+1 construction areas; A manhole is provided on the working platform, and a safety door that can be opened and closed is provided on the manhole; A ladder is provided in each of the construction sections shown. The ladder is installed on the inner side of the construction hanger and corresponds to the safety door, so that the upper and lower construction sections can pass through each other.

2. The gantry type walking safety device for large beam type U-shaped aqueduct body construction according to claim 1 is characterized in that: The construction hanger is a frame structure assembled from a plurality of vertical rods and a plurality of horizontal rods.

3. The gantry type walking safety device for large beam type U-shaped aqueduct body construction according to claim 2 is characterized in that: An anti-falling net is arranged on the outer side of the construction hanger.

4. The gantry type walking safety device for large beam type U-shaped aqueduct body construction according to claim 1 is characterized in that: Angle steel is welded between the bottom of the working platform and the inner side surface of the construction hanger.

5. The gantry type walking safety device for large beam type U-shaped aqueduct body construction according to claim 1 is characterized in that: The working platform is composed of an anti-skid steel plate and a plurality of supporting rods laid on the bottom of the anti-skid steel plate.

6. The gantry type walking safety device for large beam type U-shaped aqueduct body construction according to claim 1 is characterized in that: The safety door and the working platform are connected via hinges.

7. The gantry type walking safety device for large beam type U-shaped aqueduct body construction according to claim 1 is characterized in that: It also includes two protective fences, which are arranged above the construction hanger and have their bottom ends installed on two cross beams and two corresponding connecting beams.

8. The gantry type walking safety device for large beam type U-shaped aqueduct body construction according to claim 1 is characterized in that: A plurality of tensioners are installed on one side of the construction hanger close to the U-shaped aqueduct body.

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