Method for welding spiced rack segments on both sides of mast of drill and tool thereof
A technology of rack segments and racks, which is applied in the tooling field where the spliced rack segments are welded to both sides of the drilling rig mast, which can solve problems such as difficulty in guaranteeing, poor control of positioning accuracy, and tolerance of the tooth spacing between racks on the same side of the mast.
Inactive Publication Date: 2012-06-27
BEIJING SANY HEAVY MASCH CO LTD
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Problems solved by technology
[0006] However, when the welding and fixed connection method is adopted, the racks must be processed in sections and then spliced into the final length, which makes the positioning accuracy of the racks difficult to control, and there are tolerances for the spacing between the racks on the same side of the mast, Technical problems such as difficulty in guaranteeing the mutual position tolerance between the racks on both sides
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[0020] The core of the present invention is to provide a tool for welding spliced rack sections on both sides of the mast of a drilling rig. During use, the tooling can ensure the mutual positional tolerance between the spliced rack sections on both sides of the mast and the The pitch tolerance between spliced rack segments on the same side is simple in structure, convenient in operation and low in processing cost. In addition, another core of the present invention is to provide a method for installing spliced rack segments on both sides of the drilling rig mast.
[0021] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0022] Please refer to figure 1 , figure 2 , image 3 , Figure 4 and Figure 5 , figure 1 It is an axonometric schematic diagram of the tooling...
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The invention discloses a tool for welding spiced rack segments on both sides of a mast of a drill, which comprises two positioning rack segments with same gear tooth parameter values, wherein the gear tooth parameter values of the two positioning rack segments are the same as those of the spiced rack segments; the two positioning rack segments are parallelly arranged, gear teeth of the two positioning rack segments face inward, and an appropriate distance is reserved between the two positioning rack segments so that the two positioning rack segments are exactly engaged with the spiced rack segments positioned on both sides of the mast respectively; and the two positioning rack segments are fixedly connected through a positioning part, and the positioning part is connected to the outer walls of the upper end parts of the two positioning rack segments respectively. The tool can ensure the mutual position tolerance between the spiced rack segments positioned on both sides of the mast and the intertooth space tolerance between the spiced rack segments positioned on the same sides of the mast, and has the advantages of simple structure, convenient operation and lower processing cost. In addition, the invention also discloses a method for welding the spiced rack segments on both sides of the mast of the drill.
Description
technical field [0001] The invention relates to the technical field of rack installation, in particular to a tool for welding a spliced rack section to both sides of a drilling rig mast; the invention also relates to a method for welding a spliced rack section to both sides of the drilling rig mast. Background technique [0002] At present, large-tonnage drilling rig machinery, such as large-tonnage horizontal directional drilling rigs, has a large pullback force and a long stroke of the power head of the drilling rig, so the push and pull of the power head of the drilling rig mostly adopts a rack and pinion transmission. [0003] The rack is generally installed on both sides of the drilling rig mast, and the gear is installed on the power head frame; through the driving gear of the travel motor and the gear rack, the power head moves forward and backward along the slide on the mast to achieve push-pull action. [0004] In the prior art, the way of fixing the rack on the...
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IPC IPC(8): B23K37/04
Inventor 黎中银赵宇
Owner BEIJING SANY HEAVY MASCH CO LTD