The whole interchanging quick fix tower section jacking eared plate welding fixture
Technical field
The present invention relates to a kind of derrick crane parts welding tooling, specifically be used for the jacking ear plate welding tooling of derrick crane whole interchanging quick fix tower joint.
Background technology
In the manufacturing welding process of present crane tower joint main chord tube jacking ear plate, adopt real mode of joining to carry out usually or simply be measured as standard.Such manufacture not only inefficiency, dimension overproof is big, and installs in the jacking process at body of the tower and can cause the jacking ear plate unbalance stress, a lifting beam jam that falls, situation such as lifting platform is crooked.In addition, can not realize the exchange of parts in the maintenance afterwards.
Summary of the invention
Purpose of the present invention is exactly in order to solve the inefficiency of jacking ear plate welded and installed, the jacking ear plate unbalance stress, problems such as the position is inaccurate fall, a kind of whole interchanging quick fix tower section jacking eared plate welding fixture is provided, solved existing defective, improve assembly quality, reduce distortion overproof, solve the transportation difficulty, increase work efficiency, realize the efficient main chord jacking ear plate welding tooling that exchanges, realize that finally mould is changed soon, standardization.
For achieving the above object, the present invention has adopted following technical scheme:
The whole interchanging quick fix tower section jacking eared plate welding fixture, its structure comprises frame and positioner, described frame top is provided with positioner.
Described positioner comprises the box-shaped plate, strengthens steel plate, jacking ear plate location-plate, main chord tube location-plate, locating ring, folding anchor clamps; Described box-shaped plate is arranged on the frame, and box-shaped plate both sides are a pair of folding anchor clamps of assembly welding respectively, and steel plate is vertical is connected for the upper end of box-shaped plate both sides and reinforcement; Described jacking ear plate location-plate is welded to connect with the reinforcement steel plate; Strengthen steel plate and jacking ear plate location-plate and be provided with the hole; Jacking ear plate location-plate and locating ring are welded to connect; The box-shaped plate of outer end, both sides is provided with the main chord tube location-plate.
Described frame is welded by epiplastron, the bottom web of " I " shape girder steel and upper and lower surface, and wherein epiplastron, bottom web are each four, and totally four groups of the box-shaped plates in the described positioner are welded to connect with four blocks of epiplastrons respectively.
Fix by bolt between described main chord tube location-plate and the box-shaped plate.
Described box-shaped plate is " I " shape, and it is connected with two profile steel plate weldings by two inherent channel-section steels, and two sides of box-shaped plate are groove shape.
Rack section does to support girder by two " I " shape girder steels and eight blocks of webs are formed.Web is that symmetry is uniform up and down, has two to strengthen the steel plate connection at the frame two ends.Whole frame is placed in ground, does not need to fix.
Localization part is made up of box-shaped plate, reinforcement steel plate, jacking ear plate location-plate, main chord tube location-plate, locating ring, folding anchor clamps, bolt.Four groups of " I " box-shaped plates are distributed in the frame top, and are welded with the epiplastron of crossbeam.Its composition is to be formed by two inherent channel-section steels and the welding of two blocks of profile steel plates, digs out groove respectively two sides, is welded into steel plate that " [" shape, this shape is used to locate main chord tube better." a pair of folding anchor clamps of [" shape position difference assembly welding, the clamping of main chord tube is to finish by four folding anchor clamps of each side in this frock, the location of its lengthwise dimension is to realize by four location-plates.Location-plate is fixed on " I " box-shaped plate of outer end, both sides with bolt respectively.This frock once can be finished the clamping and the location work of two main chord tubes.
In the upper end of box-girder one side, with the perpendicular connection of a reinforcement steel plate, its effect fuses four blocks of " I " box-shaped plates.The connected mode of opposite side is identical with it.
Jacking ear plate location-plate described in the frock divides two groups, and its working face has passed through machined, and every group each three are welded with the reinforcement steel plate segmentation that has fixed respectively.The end face of three location-plates of each side keeps same plane, strengthens being drilled with fabrication hole on steel plate and the jacking ear plate location-plate, is used for fixing jacking ear plate.In addition, three of each side locating rings are integrally welded with the jacking ear plate location-plate of each side respectively.
This frock is a body supports by frame, by jacking ear plate location-plate, locating ring and main chord tube location-plate is the location, by fastening bolt and anchor clamps is clamping tool, guarantees each parts accurate relative position, reaches exchange to be implemented in the sub-assembly that welds on this welding tooling.
Description of drawings
Fig. 1 is a Welding Structure schematic diagram on this welding tooling;
Fig. 2 is the assembling unit structure schematic diagram that welds on this welding tooling;
Fig. 3 is this welding tooling master TV structure schematic diagram;
Fig. 4 is an A-A cutaway view in this welding tooling master TV structure schematic diagram;
Fig. 5 is a B-B cutaway view in this welding tooling master TV structure schematic diagram.
Wherein, 1, frame; 2, positioner; 3, box-shaped plate; 4, strengthen steel plate; 5, jacking ear plate location-plate; 6, main chord tube location-plate; 7, locating ring; 8, folding anchor clamps; 9, bolt A; 10, " I " shape girder steel; 11, epiplastron; 12, bottom web; 13, fastening bolt; 14, main chord tube; 15, jacking ear plate.
The specific embodiment
The present invention will be further described below in conjunction with accompanying drawing and embodiment.
Whole interchanging quick fix tower section jacking eared plate welding fixture, its structure comprise frame 1 and positioner 2, and frame 1 top is provided with positioner 2; Positioner 2 comprises box-shaped plate 3, strengthens steel plate 4, jacking ear plate location-plate 5, main chord tube location-plate 6, locating ring 7, folding anchor clamps 8; Described box-shaped plate 3 is arranged on the frame 1, and box-shaped plate 3 both sides are a pair of folding anchor clamps 8 of assembly welding respectively, and 4 vertical connections of steel plate are strengthened with two in the upper end of box-shaped plate 3 both sides; Jacking ear plate location-plate 5 is welded to connect with reinforcement steel plate 4; Strengthen steel plate 4 and jacking ear plate location-plate 5 and be provided with fabrication hole; Jacking ear plate location-plate 5 is welded to connect with locating ring 7; The box-shaped plate 3 of outer end, both sides is provided with main chord tube location-plate 6.
Frame 1 is welded by epiplastron 11, the bottom web 12 of two " I " shape girder steels 10 and upper and lower surface, wherein epiplastron, bottom web are each four, and totally four groups of the box-shaped plates 3 in the positioner 2 are welded to connect with four blocks of epiplastrons 11 respectively, whole frame is placed in ground, does not need to fix.Fixing between main chord tube location-plate 6 and the box-shaped plate 3 by bolt 9.
Box-shaped plate 3 is " I " shape, and it is connected with two profile steel plate weldings by two inherent channel-section steels, and two sides of box-shaped plate 3 are groove shape.
Structure such as Fig. 1, Fig. 3, Fig. 4 and shown in Figure 5, frock is a body supports by frame, by jacking ear plate location-plate, locating ring and main chord tube location-plate is the location, by fastening bolt and anchor clamps is clamping tool, guarantee each parts accurate relative position, reach exchange to be implemented in the sub-assembly that welds on this welding tooling.
As shown in Figure 2, the sub-assembly that welds on this welding tooling is combined by jacking ear plate 15 and main chord tube 14 welding.Realize the exchange fully of this soldering group component, need to guarantee 3 sizes, promptly as shown in Figure 2, size A, size B and size C.
The assurance of size A: jacking ear plate 15 puts the profile machined in place before last this welding tooling welding, and particularly the size of jacking ear plate 15 jacking circular arcs and jacking ear plate 15 gauges can reach the exchange between otic placode.As Fig. 3, shown in Figure 5,7 of jacking ear plate location-plate 5 and locating rings adopt welding manner to fix on this welding tooling, the periphery of the outerplanar of jacking ear plate location-plate 5 and locating ring 7 is the location datum level, and the distance (being size A) between cylindricity, the distance between the location-plate (being size A) and the locating ring of flatness, the locating ring location disc of plane of orientation all meets standard-required between the location-plate.Jacking ear plate 15 jacking circular arcs are aimed at the locating ring 7 of frock, the lower limb of jacking ear plate 15 is aimed at the outward flange of main chord tube 6, jacking ear plate 15 fastening bolts 13 clamp, and the distance (being size A) between the jacking ear plate 15 jacking circular arc centers of circle is just determined by unique on this welding tooling at this moment.
The assurance of size B: main chord tube 14 the processing of pipe fitting length is put in place, and the cross section of main chord tube 14 is vertical with main chord tube 14 center lines before last this welding tooling welding.As shown in Figure 3,1 of main chord tube location-plate 6 and frame adopt welding manner to fix on this welding tooling, main chord tube location-plate 6 inner faces are the location datum level, and the distance (being size B) between the perpendicularity between the flatness of main chord tube location-plate 6 inner faces, main chord tube location-plate 6 inner faces and main chord tube 14 center lines, main chord tube location-plate 6 inner faces and the locating ring 7 all meets standard-required.The cross section of main chord tube 14 is aimed at main chord tube location-plate 6 inner faces, and main chord tube 14 is clamped by folding anchor clamps 8, and this moment, the cross section and the distance (being size B) between the jacking ear plate 15 jacking circular arc centers of circle of main chord tube 14 were just determined by unique on this welding tooling.
The assurance of size C: main chord tube 14 is before last this welding tooling welding, and the gauge of the outside dimension of pipe fitting, the linearity of pipe fitting, jacking ear plate 15 all meets standard.As Fig. 4, shown in Figure 5,1 of folding anchor clamps 8 and frame adopt welding manner to fix on this welding tooling, the endoporus arc surface of folding anchor clamps 8 and the outerplanar of jacking ear plate location-plate 5 are the location datum level, and cylindricity, the jacking ear plate location-plate 5 outerplanar flatnesses of the endoporus arc surface of the distance between the outerplanar of the center line of the endoporus arc surface of folding anchor clamps 8 and jacking ear plate location-plate 5 (being size C) and the depth of parallelism, folding anchor clamps 8 all meet standard-required.Main chord tube 14 is clamped by folding anchor clamps 8, and jacking ear plate 15 fastened bolts 13 clamp, and the distance (being size C) between the outerplanar of the center line of main chord tube 14 and jacking ear plate location-plate 5 is just determined by unique on this welding tooling at this moment.
Can conclude that thus jacking ear plate and main chord tube adopt as above location and clamping mode on this welding tooling, can realize the accurate exchange of soldering group component (Fig. 1) size A, size B and size C.
The above embodiment is a kind of of the more preferably concrete embodiment of the present invention, and common variation that those skilled in the art carries out in the technical solution of the present invention scope and replacement all should be included in protection scope of the present invention.