The flexible assembly-welding device of a kind of railway wagon bodies crossbeam and installation method thereof
Technical field
The present invention relates to a kind of rail freight manufacturing equipment, particularly about the flexible assembly-welding device of a kind of railway wagon bodies crossbeam and installation method thereof.
Background technology
Rail freight crossbeam is the vitals of vehicle body bottom frame, upper cover plate, lower cover, web, consists of.Cross section is H type Welding Structure.Assembly welding process need locates upper cover plate, lower cover, web clamp with special tooling, then welds.In order to adapt to the needs in current railway transportation market, there is feature diversification of varieties, that batch is little in rail freight research and development, production.The car body beam structure of different model forms basic identical, but size and dimension is different, and the crossbeam of making different automobile types need to adopt different special equipments to guarantee technique.
Summary of the invention
For the problems referred to above, the object of this invention is to provide a kind of market demand that can meet small lot, many kinds, there is the flexible assembly-welding device of railway wagon bodies crossbeam and the installation method thereof in enough adjustment space.
For achieving the above object, the present invention takes following technical scheme: the flexible assembly-welding device of a kind of railway wagon bodies crossbeam, it is characterized in that: it comprises that one has the support of two supporting legs, article two, described supporting leg top is rotationally connected respectively a positioning disk, and described in two, positioning disk can pass through respectively an alignment pin and described supporting leg fixing and locking; Described in two, between positioning disk, be fixedly connected with a rectangular frame, in described rectangular frame, be provided with a web positioning beam, below described rectangular frame, be provided with one group of height-adjustable cover plate positioning beam; The longitudinal both sides of described rectangular frame are arranged at intervals with some adjusting rods, corresponding with adjusting rod described in each, and the top of described rectangular frame is provided with the screw of the described adjusting rod of some lockings; Described web positioning beam one end is provided with one group of pressing plate, and the other end is provided with the adjusting beam of an adjustable web position length, is provided with another group pressing plate on described adjusting beam.
Described in each, positioning disk center is provided with a rotating shaft being rotationally connected with corresponding described supporting leg top, is provided with four dowel holes described in each in the card of positioning disk, by wherein described in any one dowel hole all can lock with described supporting leg.
Described rectangular frame comprises two crossbeams and two longerons, and the one side that described in two, crossbeam is relative is all arranged at intervals with some adjustment holes, two described longerons by described adjustment hole, be connected to two respectively described on crossbeam.
Described web positioning beam two ends are bolted respectively on the described crossbeam of corresponding one end, are arranged at intervals with the adjusting slotted hole of some connection end faces and bottom surface in described web positioning beam.
Described cover plate positioning beam is fixedly connected with by being arranged on two bolts that arrange on longeron described in two, in described cover plate positioning beam, be arranged at intervals with the adjusting slotted hole of some connection end faces and bottom surface, described web regulates the adjusting slotted hole that is arranged at intervals with some connection end faces and bottom surface on beam.
The installation method of the flexible assembly-welding device of above-mentioned railway wagon bodies crossbeam, comprise the following steps: 1) two positioning disks are rotatably connected on two supporting legs of support, again two crossbeam symmetries are connected on positioning disk, then by alignment pin, two crossbeams are positioned to horizontal direction; 2) according to the width of workpiece, two longerons are fixedly connected in the corresponding adjustment hole of two crossbeams, web positioning beam is fixedly connected on two crossbeams; Two cover plate positioning beam are bolted to the bottom at two longerons; 3) cantilever diaphragm is placed in web positioning beam and enters position, with the pressing plate on the beam of web position, be connected and fixed one end of cantilever diaphragm, with web, regulate beam to be fixedly connected with web positioning beam by being located at the other end of cantilever diaphragm again, and with web, regulate pressing plate on beam to push down cantilever diaphragm it to be located fix; 4) by upper cover plate and the lower cover vertical both sides that need to weld by being located at cantilever diaphragm respectively, and one end of two cover plates all leans at web and regulates a side of beam to position, unclamping and locking the height that regulates respectively upper cover plate and lower cover by the bolt in two cover plate positioning beam then; 5) according to the shape of upper cover plate and lower cover, determine that adjusting rod is arranged on position and the quantity on longeron; If being tilted shape, lower cover enters position, upper cover plate is parallel with longeron enters position, on rectangular frame, on a corresponding side girder, screw in some adjusting rods, self rotating of adjusting rod moves in the horizontal direction respectively, upper cover plate and lower cover are adjusted to clamping, make upper cover plate with cantilever diaphragm, cantilever diaphragm is vertical with lower cover fits; If upper cover plate and lower cover two plates are the parallel position that enters, on any side girder on rectangular frame, screw in some adjusting rods, respectively upper cover plate and lower cover are adjusted to clamping, make upper cover plate with cantilever diaphragm, cantilever diaphragm is vertical with lower cover fits; If upper cover plate and lower cover two plates are all not parallel, and not planar structure, on two side girders on rectangular frame, screw in some adjusting rods simultaneously, respectively upper cover plate and lower cover adjusted to clamping, make upper cover plate with cantilever diaphragm, cantilever diaphragm is vertical with lower cover fits; 6) upper surface of the workpiece of adjusting is carried out to spot welding; 7) extract alignment pin 180 ° of rectangular frame upsets are sold into alignment pin, after the advanced spot welding of lower surface, then lower surface is implemented to assembly welding; 8) extracting alignment pin sells 180 ° of rectangular frame upsets into alignment pin, upper surface is implemented to assembly welding, complete after welding, the pressing plate and the web that unclamp in adjusting rod, web positioning beam regulate the pressing plate on beam, take out the workpiece after assembly welding, complete the installation assembly welding overall process of whole workpiece.
The present invention is owing to taking above technical scheme, it has the following advantages: 1, the present invention is due to four each pin-and-holes of dowel hole and two supporting leg fixing and lockings being set on positioning disk, make rectangular frame carry out assembly welding with workpiece turning, facilitated weld job, guaranteed workpiece assembling positioning precision.2, the present invention is owing to can be provided with some adjusting rods in any one or both sides according to the needs of workpiece shape on longeron simultaneously, can adapt to dissimilar crossbeam fixes, also can make that upper cover plate and lower cover are vertical with cantilever diaphragm fits, make positioning action easy, improve production efficiency.3, the present invention is provided with adjusting slotted hole because web positioning beam, height-adjustable positioning beam and web regulate Liang Shangdou, therefore when regulating cantilever diaphragm, upper cover plate and lower cover position, all there is enough flexible and adjustment spaces, its operating structure is simple, convenient and swift.4, the present invention, owing to being arranged at intervals with some adjustment holes that regulate width for longeron on two crossbeams, therefore fixes applicable to the crossbeam assembly welding of multi-varieties and small-batch, has more wide promotional value.The present invention is specially adapted to the Production requirement that current rail freight small lot is many.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention
Fig. 2 is that the master of Fig. 1 looks schematic diagram
Fig. 3 is the schematic side view of Fig. 1
Fig. 4 is the schematic top plan view of Fig. 1
Fig. 5 is the workpiece schematic diagram of assembly welding of the present invention
Fig. 6 is workpiece embodiment 2 schematic diagrames of assembly welding of the present invention
Fig. 7 is workpiece embodiment 3 schematic diagrames of assembly welding of the present invention
The specific embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail.
As shown in Figure 1, the workpiece 10 that the present invention wants to carry out assembly welding comprises a cantilever diaphragm 101 and is vertically welded in respectively a upper cover plate 102 and a lower cover 103 of cantilever diaphragm 101 both sides.
As shown in Figure 1, the present invention includes a support with two supporting legs 1, two supporting leg 1 tops are rotationally connected respectively positioning disk 2, two positioning disks 2 can be respectively by an alignment pin 3 and supporting leg 1 fixing and locking.Between two positioning disks 2, be fixedly connected with a rectangular frame 4, in rectangular frame 4, be provided with a web positioning beam 5, below rectangular frame 4, be provided with one group of height-adjustable cover plate positioning beam 6.The longitudinal both sides of rectangular frame 4 are arranged at intervals with some adjusting rods 7, and corresponding with each adjusting rod 7, the top of rectangular frame 4 is provided with the screw of some locking adjusting rods 7.Web positioning beam 5 one end are provided with one group of pressing plate 8, and the other end is provided with the adjusting beam 9 of an adjustable web position length, are provided with another group pressing plate 91 on adjusting beam 9.
In above-described embodiment, each positioning disk 2 center is provided with a rotating shaft 21 being rotationally connected with respective support leg 1 top, in the card of each positioning disk 2, be provided with four dowel holes 22, all can be with alignment pin 3 and supporting leg 1 locking by any one dowel hole 22 wherein.
In above-described embodiment, rectangular frame 4 comprises that two crossbeams 41 and two relative one sides of longeron 42, two crossbeams 41 are all arranged at intervals with 43, two longerons 42 of some adjustment holes and by the adjustment hole 43 on two crossbeams 41, are connected on two crossbeams 41 respectively.
In above-described embodiment, web positioning beam 5 two ends are bolted respectively on the crossbeam 41 of corresponding one end, in web positioning beam 5, be arranged at intervals with the adjusting slotted hole 51 of some connection end faces and bottom surface, so that through regulating the bolt of beam 9 to move forward and backward, the length of the cantilever diaphragm 101 of workpiece 10 is located to (as shown in Figure 4) in regulating slotted hole 51.
In above-described embodiment, cover plate positioning beam 6 is fixedly connected with by two bolts that are arranged on two longerons 42, as shown in Figure 2 and Figure 3, in cover plate positioning beam 6, be arranged at intervals with the adjusting slotted hole 61 of some connection end faces and bottom surface, so that upper and lower cover plate can locate at diverse location, and unclamping and locking the height that regulates upper cover plate 102 and lower cover 103 by bolt.Web regulates the adjusting slotted hole 92 that is arranged at intervals with some connection end faces and bottom surface on beam 9, makes the pressing plate 91 being bolted in regulating slotted hole 92, move forward and backward the length of positioning workpieces 10.
Installation method of the present invention comprises the following steps:
1) two positioning disks 2 are rotatably connected on two supporting legs 1 of support, then two crossbeam 41 symmetries are connected on positioning disk 2, then by alignment pin 3, two crossbeams 41 are positioned to horizontal direction;
2) according to the width of workpiece 10, two longerons 42 are fixedly connected in the corresponding adjustment hole 43 of two crossbeams 41, web positioning beam 5 is fixedly connected on two crossbeams 41; Two cover plate positioning beam 6 are bolted to the bottom at two longerons 42;
3) cantilever diaphragm 101 is placed in web positioning beam 5 and enters position, with the pressing plate 8 on web position beam 5, be connected and fixed one end of cantilever diaphragm 101, with web, regulate beam 9 to be fixedly connected with web positioning beam 5 by being located at the other end of cantilever diaphragm 101 again, and with web, regulate pressing plate 91 on beam 9 to push down cantilever diaphragm 101 it to be located fix;
4) upper cover plate 102 and lower cover 103 is vertical by being located at the both sides of cantilever diaphragm 101 needs welding respectively, and one end of two cover plates all leans at web and regulates a side of beam 9 to position, unclamping and locking the height that regulates respectively upper cover plate 102 and lower cover 103 by the bolt in two cover plate positioning beam 6 then;
5) according to the shape of upper cover plate 102 and lower cover 103, determine that adjusting rod 7 is arranged on position and the quantity on longeron 42; If being tilted shape, lower cover 103 enters position, upper cover plate 102 is parallel with longeron 42 enters position, on rectangular frame 4, on a corresponding side girder 42, screw in some adjusting rods 7, self rotating of adjusting rod 7 moves in the horizontal direction respectively, upper cover plate 102 and lower cover 103 are adjusted to clamping, make upper cover plate 102 and cantilever diaphragm 101, cantilever diaphragm 101 laminating vertical with lower cover 103 (as shown in Figure 5); If 103 liang of plates of upper cover plate 102 and lower cover are the parallel position that enters, on any side girder 42 on rectangular frame 4, screw in some adjusting rods 7, respectively upper cover plate 102 and lower cover 103 are adjusted to clamping, make upper cover plate 102 and cantilever diaphragm 101, cantilever diaphragm 101 laminating vertical with lower cover 103 (as shown in Figure 6); If 103 liang of plates of upper cover plate 102 and lower cover are all not parallel, and not planar structure, on two side girders 42 on rectangular frame 4, screw in some adjusting rods 7 simultaneously, respectively upper cover plate 102 and lower cover 103 are adjusted to clamping, make upper cover plate 102 and cantilever diaphragm 101, cantilever diaphragm 101 laminating vertical with lower cover 103 (as shown in Figure 7);
6) upper surface of the workpiece 10 of adjusting is carried out to spot welding;
7) extract alignment pin 3 180 ° of rectangular frame 4 upsets are sold into alignment pin 3, after the advanced spot welding of lower surface, then lower surface is implemented to assembly welding;
8) extracting alignment pin 3 sells 180 ° of rectangular frame 4 upsets into alignment pin 3, upper surface is implemented to assembly welding, complete after welding, the pressing plate 8 and the web that unclamp in adjusting rod 7, web positioning beam 5 regulate the pressing plate 91 on beam 9, take out the workpiece 10 after assembly welding, complete the installation assembly welding overall process of whole workpiece 10.
In above-described embodiment, when the cover plate positioning beam 6 of adjustable cover plate height is arranged on the super wide position of avoiding upper cover plate 102 in Fig. 5, played equally positioning action.
The various embodiments described above are only for illustrating the present invention; wherein the structure of each parts, connected mode and manufacture craft etc. all can change to some extent; every equivalents of carrying out on the basis of technical solution of the present invention and improvement, all should not get rid of outside protection scope of the present invention.