Butting sleeve adjusting tool and using method thereof
A casing and tooling technology, which is applied to the adjustment tooling of the neutron detector positioning frame butt joint casing, and the field of butt casing adjustment tooling, which can solve the gap between the tubes, the heavy tooling, and the neutron detector positioning frame. Accuracy requirements and other issues, to achieve the effect of simple tooling structure and high adjustment accuracy
Active Publication Date: 2015-05-13
CHINA NUCLEAR IND HUAXING CONSTR
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Problems solved by technology
Traditional tooling needs to be adjusted separately at the two supporting ends, which is not only inconvenient, but also lacks a reasonable adjustment link. Therefore, it is difficult for the manufactured neutron detector positioning frame to meet the accuracy requirements and pass the acceptance inspection. The following problems often occur during the processing:
Method used
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Embodiment 1
[0024] The neutron detector positioning frame butt sleeve adjustment tooling of this embodiment is as follows: figure 2 , image 3 As shown, a pair of horizontal levers 1l, 1r hingedly supported respectively on predetermined fulcrums Ol, Or from the center of both sides, the length ratio of the power arm and the resistance arm on both sides of the fulcrum is 1:3. The outer ends of the two horizontal levers 1l, 1r are respectively welded and fixedly connected to the vertical support plates 2l, 2r whose upper ends have circular arcs that match the outer diameter of the supported casing through bell-shaped gradually expanding sections 1l', 1r', Therefore, the bearing capacity is strong and the support is stable. The inner ends of the two horizontal levers 11, 1r are respectively located below the two sides of the position control runner 3, and the position control runner 3 is looped on the lower end of the vertical adjustment bolt 4. The reduced-diameter section of the center ...
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The invention relates to a butting sleeve adjusting tool and a using method thereof, and belongs to the technical field of nuclear power station construction. The butting sleeve adjusting tool comprises a pair of horizontal levers respectively supported on two side supporting points in a hinged manner, the outer ends of the two horizontal levers are fixedly connected with vertical supporting plates with circular-arc concaves matched with the outer diameter of supported sleeves at the upper ends respectively, the inner ends of the two horizontal levers are positioned below two sides of a position controlling runner respectively, the position controlling runner is movably sleeved at the lower end of a vertical adjusting bolt, the adjusting bolt and a nut fixedly supported on a middle supporting point form a screw pair, and a way-giving notch with the width larger than corresponding size of each lever is arranged on the position controlling runner. The butting sleeve adjusting tool is simple in structure; when the butting sleeve adjusting tool is in use, adjusting of supports at two ends can be completed only at a position, so that great convenience is realized; the butting sleeve adjusting tool is capable of adjusting levelness and height, high in adjusting accuracy and capable of meeting requirements on coaxiality adjusting among sleeves, at all levels, of a neutron detector positioning frame, and a condition is created to guarantee manufacturing accuracy of the neutron detector positioning frame.
Description
technical field [0001] The invention relates to a butt joint sleeve adjustment tool, in particular to an adjustment tool for a neutron detector positioning frame butt joint sleeve, and also relates to its use method, which belongs to the construction technology field of nuclear power plants and the like. Background technique [0002] In a nuclear power plant reactor, eight neutron detector positioning frames are respectively arranged around the reactor pressure vessel. The installation positioning provides the basis. [0003] The structure of the neutron detector positioning frame is as follows: figure 1 As shown, it is mainly composed of stainless steel pipes, 10mm steel plates and Φ408 semicircular pipes. Among them, the stainless steel pipe G is welded by a stainless steel sleeve with a diameter of Φ114, a stainless steel sleeve with a diameter of 89 and a connecting sleeve. The prefabrication steps are: blanking—finishing of stainless steel sleeves by lathe—pairing an...
Claims
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IPC IPC(8): B23K37/053
CPCB23K37/053B23K2101/06
Inventor 王登峰王志勇黄波
Owner CHINA NUCLEAR IND HUAXING CONSTR