Automatic rounding tool and method for large-diameter steel pipes
An automatic adjustment and large-diameter technology, which is applied in the field of steel pipe correction, can solve the problems of long occupation time, potential safety hazards, and low efficiency
Pending Publication Date: 2019-10-25
CHINA GEZHOUBA GROUP CO LTD +1
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Problems solved by technology
[0002] Most of the penstocks in the construction of hydropower stations use internal supports, especially for large-diameter penstocks. The installation and removal of a large number of internal supports not only consumes manpower and financial resources, but also poses a huge safety hazard
After canceling the internal support, the roundness adjustment of the steel pipe is also a difficult problem. The traditional roundness adjustment method also has many shortcomings for large-diameter steel pipes. Troublesome and low efficiency; the loss of the tooling table is large, and the tooling table is often damaged so that it needs to be remade and replaced
The traditional method of adjusting the roundness with jacks and rewinding the chain is difficult to complete the scheduled workload under tight construction schedules
Method used
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Embodiment Construction
[0056] Such as Figure 1~Figure 5 Among them, a large-diameter steel pipe automatic rounding tool, which includes a support base 1, a support plate 2, a connecting rod 3 and a correction device 4; Connected with a plurality of fixed rods 22 on the support plate 2, the connecting rod 3 is connected with the straightening device 4 to form a ring structure; the length of the connecting rod 3 is adjustable, and the inclination angle of the straightening device 4 is adjustable. The structure is simple, the support plate 2 is connected to the support seat 1 in a suspended state, the radial fixed rod 22 on the support plate 2 is connected to the correction device 4, and the connecting rod 3 is connected to the correction device 4 to form a ring structure correction. The length of the rod 3 can adjust the inclination angle of the straightening device 4, and the diameter of the ring structure can be increased by connecting the extension rod 23 with the fixed rod 22 and the straightenin...
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The invention provides an automatic rounding tool and method for large-diameter steel pipes. The tool comprises a supporting seat, a supporting disc, connecting rods and correcting devices. The supporting disc and the supporting seat are connected into a suspended state, radial fixing rods on the supporting disc are connected with the correcting devices, the connecting rods and the correcting devices are connected to form an annular structure for correction, the tip angles of the correcting devices can be adjusted by adjusting the lengths of the connecting rods, the diameter of the annular structure is increased by connecting extending rods, the fixing rods and the correcting devices, and therefore the tool adapts to the to-be-corrected steel pipes of different specifications. The problemsthat original pressure steel pipes are large in occupied field, low in efficiency, complex to operate and poor in adaptability are solved, and the beneficial effects of being simple in structure, small in occupied space, high in correction efficiency, good in adaptability and easy and easy and convenient to operate are achieved.
Description
technical field [0001] The invention belongs to the technical field of steel pipe straightening, and relates to a large-diameter steel pipe automatic rounding tool and a method. Background technique [0002] Most of the penstocks in the construction of hydropower stations use internal supports, especially for large-diameter penstocks. The installation and removal of a large number of internal supports not only consumes manpower and financial resources, but also poses a huge safety hazard. After canceling the internal support, the roundness adjustment of the steel pipe is also a difficult problem. The traditional roundness adjustment method also has many shortcomings for large-diameter steel pipes. Troublesome and low efficiency; the loss of the tooling table is large, and the tooling table is often damaged so that it needs to be remade and replaced. The traditional method of adjusting the roundness with a jack and chain reversing is difficult to complete the scheduled workl...
Claims
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Login to View More IPC IPC(8): B21D3/14
CPCB21D3/14
Inventor 卫书满张正东虞贵期雷亚萍张桂仲
Owner CHINA GEZHOUBA GROUP CO LTD