Auxiliary device for crane beam machining

Abstract

The utility model relates to the technical field of hoisting beam machining, in particular to an auxiliary device for crane beam machining. The crane beam is of an I-shaped structure, the width of an upper flange of the crane beam is larger than that of a lower flange of the crane beam, the auxiliary device comprises a transverse base and an inner right-angle blocking base plate, the lower edge face of the transverse base is fixed to the operation platform, the inner right-angle blocking base plate is in a step shape, and at least one side face of the lowermost step is inclined. Downward planes on the inner sides of other steps are vertical planes, and the height from one step surface to the upper edge surface of the transverse base is the same as half of the width difference between the upper flange and the lower flange of the crane beam to be machined; at least two side-by-side inner right-angle retaining base plates are fixed to the same end of the upper edge face of the transverse base, and the inner right angles of the two inner right-angle retaining base plates face opposite directions. By means of the auxiliary device, the hoisting beam to be machined can be placed in a lying mode to be subjected to downward welding of the stiffening rib, safety and stability are achieved, and the construction problem that the machining and welding quality of the stiffening rib of an existing crane beam is not easy to guarantee is solved.

Description

Technical Field

[0001] This utility model relates to the field of hoisting beam processing technology, specifically to an auxiliary device for hoisting beam processing. Background Technology

[0002] Steel crane beams are widely used in industrial plant construction. The upper and lower flanges of the crane beam have inconsistent widths, and paired transverse stiffening ribs are required on the web surface (to ensure local stability and transfer of concentrated forces). Conventional operation involves placing the upper flange of the crane beam flat on a construction platform for welding the stiffening ribs to the upper flange and web. However, the current method of placing the crane beam flange surface on the construction platform for welding the stiffening ribs is vertical welding, which makes it difficult to guarantee welding quality, requiring rework and easily causing scratches on the flange surface, leading to initial damage, reducing the structural safety level, and affecting the implementation of construction progress and quality and safety objectives. Utility Model Content

[0003] To address the problems in the existing technology, this utility model proposes an auxiliary device for processing crane beams, which enables the downward welding of stiffening ribs on crane beams. The specific solution is as follows:

[0004] An auxiliary device for processing crane beams, wherein the crane beam is an "I"-shaped structure, and the upper flange of the crane beam is wider than the lower flange. The auxiliary device comprises a transverse base and inner right-angle baffles. The transverse base is an I-beam or H-beam, including an upper edge and a lower edge, the lower edge of which is fixed to an operating platform. The inner right-angle baffles are stepped, with at least one side of the lowest step inclined, and the downward-facing planes of the other steps being vertical. The height from one step surface to the upper edge of the transverse base is equal to half the difference in width between the upper and lower flanges of the crane beam to be processed. At least two parallel inner right-angle baffles are fixed to the same end of the upper edge of the transverse base, the inner right angles of the two inner right-angle baffles facing opposite directions.

[0005] Furthermore, the inner right-angle retaining plate has at least three steps. A raised track is provided on the upper edge of the transverse base, and a groove is formed on the bottom surface of the inner right-angle retaining plate along the step direction. The raised track and the groove match, and multiple through holes are formed on the side of the raised track. A pin passes through any of these through holes to limit the inner right-angle retaining plate.

[0006] The utility model discloses an advantageous effect: the utility model discloses through setting up the inner right angle backing pad on the base makes crane beam can be stably laid down, realizes to stiffening rib's down welding. The device is opposite setting through two inner right angle backing pads, can place crane beam's narrow edge face on the same height step on two inner right angle backing pads, realizes left and right limit to narrow edge face through two opposite inner right angle surfaces, prevents crane beam from moving in the process of welding stiffening rib, in addition, can through setting up the inner right angle backing pad of containing multiple steps cooperation slide and the use of bolt, aiming at different size crane beam can use. BRIEF DESCRIPTION OF DRAWINGS

[0007] The embodiments of the utility model will be further explained below with reference to the drawings, wherein:

[0008] Figure 1 The front view of example 1 structure is shown.

[0009] Figure 2 The front view of example 2 structure is shown.

[0010] Wherein, 1 - horizontal base, 2 - inner right angle backing pad, 3 - the lower flange of to be processed crane beam, 4 - the upper flange of to be processed crane beam, 5 - to be processed crane beam web, 6 - horizontal stiffening rib board, 7 - convex track, 8 - through -hole, 9 - bolt. DETAILED DESCRIPTION

[0011] In order to make the purpose, technical scheme and advantage of the utility model more clear, the utility model is further explained in detail below with reference to the drawings through specific embodiment. It should be understood that the specific embodiment described here is only used to explain the utility model, and is not used to limit the utility model.

[0012] In embodiment 1, an auxiliary device for crane beam machining, wherein the crane beam is of an "I" shaped structure, the upper flange of the crane beam is wider than the lower flange, the auxiliary device comprises a transverse base 1 and an inner right angle blocking baffle plate 2, the transverse base 1 is an I-beam or H-beam, comprising an upper edge surface and a lower edge surface, the lower edge surface is fixed on the operation platform by spot welding (the interval is 1-1.6 meters); the inner right angle blocking baffle plate 2 is step-shaped, the side surface of the lowest step is inclined to the right, the inner side downward surface of other steps is vertical, the height of one step surface to the upper edge surface of the transverse base 1 is half of the difference between the upper and lower flange width of the crane beam to be machined; at least two inner right angle blocking baffle plates 2 are welded and fixed on the same end of the upper edge surface of the transverse base 1, the two inner right angle blocking baffle plates 2 can be installed on the same transverse base or on two parallel transverse bases 1 respectively, and the inner right angles of the two inner right angle blocking baffle plates 2 face opposite directions.

[0013] The crane beam to be machined is placed longitudinally on the auxiliary device for crane beam machining, the lower end surface of the lower flange 3 of the crane beam to be machined is placed on the inner right angle bottom side of the inner right angle blocking baffle plate 2, the side blocking plates of the two opposite inner right angle blocking baffle plates 2 can block the lateral movement of the crane beam to be machined, prevent overturning, and the lower end surface of the upper flange 4 of the crane beam to be machined is placed on the upper flange surface of the transverse base 1; the positioning lines of several to-be-welded transverse stiffening rib plates 6 are drawn on one side surface of the web 5 of the crane beam to be machined (the web 5 of the crane beam to be machined faces the welder), the transverse stiffening rib plates 6 are vertically installed and added by horizontal welding; after the horizontal stiffening rib plates 6 on one side of the web 5 of the crane beam to be machined are added by horizontal welding, the crane beam to be machined is hoisted and turned over, and the above steps are repeated to complete the horizontal stiffening rib plate pair horizontal welding and adding construction of one crane beam, and the crane beam is hoisted and transported to the next process for sand blasting and rust removal; the above steps are repeated to perform the horizontal stiffening rib plate pair horizontal welding and adding construction of the next crane beam to be machined, and then the horizontal welding of the horizontal stiffening rib plates of all crane beams in the project is completed.

[0014] In embodiment 2, the steps of the inner right angle blocking baffle plate 2 are three levels, the upper edge surface of the transverse base 1 is provided with a raised track 7, the bottom surface of the inner right angle blocking baffle plate 2 is provided with a groove along the downward (upward) direction of the multiple steps, the raised track 7 and the groove are matched, a plurality of through holes 8 are formed in the side surface of the raised track 7, and a bolt 9 passes through the through hole closest to the side of the step back surface of the inner right angle blocking baffle plate 2 to limit the inner right angle blocking baffle plate 2.

[0015] In the construction operation, according to the width difference of the upper and lower flanges of the crane beam to be processed, the step with appropriate height is placed, the two inner right angle blocking pads 2 are moved to the appropriate position along the slide, the pins are inserted into the through holes adjacent to the outer side of the inner right angle back surface of the inner right angle blocking pad 2 on the convex track, the two inner right angle blocking pads 2 are limited, and the two inner right angle blocking pads 2 are prevented from sliding away from each other, and other operations are consistent with the operations in the above embodiment.

[0016] Some exemplary embodiments of the present application are described above, and it can be understood that the above embodiments are only used to explain the present application and do not constitute a limitation on the protection scope of the present application. The features in these embodiments can be recombined in a suitable manner, and the schemes obtained thereby are still within the protection scope required by the present application. Based on the above embodiments, all other embodiments obtained by those skilled in the art without creative labor, i.e. all modifications, equivalent replacements and improvements made within the spirit and principles of the present application, are within the protection scope required by the present application.

Claims

1. An auxiliary device for processing of a crane girder, wherein the crane girder is of an "I" shaped structure, the upper flange of the crane girder being wider than the lower flange, characterized in that, The auxiliary device comprises a transverse base (1) and an inner right angle blocking plate (2), the transverse base (1) is an I-beam or H-beam, comprising an upper edge surface and a lower edge surface, the lower edge surface is fixed on an operation platform; the inner right angle blocking plate (2) is in a stepped shape, at least one side surface of the lowermost step is inclined, the inner side of other steps is a vertical plane downward, one step surface is at the same height as half of the difference between the upper and lower flange width dimensions of the crane beam; at least two inner right angle blocking plates (2) are fixed on the upper edge surface of the transverse base (1) at the same end in parallel, the inner right angles of the two inner right angle blocking plates (2) face opposite directions.

2. The auxiliary device for processing a crane beam according to claim 1, characterized in that, The inner right angle blocking plate (2) is at least three steps.

3. The auxiliary device for processing a crane beam according to claim 2, characterized in that, A convex track (7) is arranged on the upper edge surface of the transverse base (1), a groove is arranged on the bottom surface of the inner right angle blocking plate (2) along the step direction, the convex track (7) and the groove are matched, a plurality of through holes (8) are arranged on the side surface of the convex track (7), and a bolt (9) passes through any through hole to limit the inner right angle blocking plate (2).

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