CN104493407A

CN104493407A - Rotary assembly welding tool capable of improving welding quality of gear cases of locomotives and assembly welding method implemented by rotary assembly welding tool

Info

Publication number: CN104493407A
Application number: CN201410783064.3A
Authority: CN
Inventors: 唐建雄; 周令; 李素梅; 邓平; 陈建卓; 张志坚
Original assignee: TIANYI INDUSTRY Co Ltd HUNAN RAILWAY PROFESSIONAL TECHNOLOGY COLLEGE
Current assignee: Hunan Tianyi Rail Industry Co ltd
Priority date: 2014-12-18
Filing date: 2014-12-18
Publication date: 2015-04-08
Anticipated expiration: 2034-12-18
Also published as: CN104493407B

Abstract

The invention discloses a rotary assembly welding tool capable of improving the welding quality of gear cases of locomotives. The rotary assembly welding tool comprises a support frame, a rotator, at least two upper case body connecting plate compressing assemblies, at least two lower case body connecting plate compressing assemblies, upper collar ring compressing assemblies and lower collar ring compressing assemblies. The support frame comprises a first support and a second support, the rotator is arranged between the first support and the second support in a rotationally connected manner and comprises a rotary plate, an upper case module and a lower case module, and the shapes and the contour sizes of the upper case module and the lower case module are matched with the shapes and the contour sizes of upper case bodies of the gear cases and gear case inner cavities of the upper case bodies of the gear cases; the upper case body connecting plate compressing assemblies are used for compressing connecting plates of the upper case bodies of the gear cases on one side of the rotary plate, the lower case body connecting plate compressing assemblies are used for compressing connecting plates of lower case bodies of the gear cases on the other side of the rotary plate, the upper collar ring compressing assemblies are used for compressing collar rings of the gear cases on two sides of the upper case module, and the lower collar ring compressing assemblies are used for compressing the collar rings of the gear cases on two sides of the lower case module. The rotary assembly welding tool has the advantages that the welding quality and the production efficiency can be improved.

Description

Rotation assembly welding frock and the assembly welding method thereof of installing locomotive gear cases welding quality can be improved

Technical field

The present invention relates to a kind of rotation assembly welding frock and assembly welding method thereof, particularly relate to a kind of rotation assembly welding frock and the assembly welding method thereof that can improve installing locomotive gear cases welding quality, belong to installing locomotive gear cases assembly welding auxiliary mould technical field.

Background technology

Gear-box is the thin-walled box shaped piece of protection travelling gear, because the space distributing to gear-box is less, design is defined as plated construction.Gear-box adopts and splits mode, is made up of upper box and lower box mould assembling.As shown in Figure 1 to Figure 3, the upper box connecting plate 12 that upper box 1 comprises upper box body 11 and is welded on bottom described upper box body 11, the lower box connecting plate 22 that lower box 2 comprises lower box body 21 and is welded on bottom described lower box body 21.The outwardly upper box body 11 in welding with it of upper box connecting plate 12 forms upper box connecting plate evagination position 3, the outwardly lower box body 21 in welding with it of lower box connecting plate 22 forms lower box connecting plate evagination position 4, when mould assembling, upper box 2 and lower box 3 are combined, now, upper box connecting plate evagination position 3 and lower box connecting plate evagination position 4 close up and contact, by bolt through upper box connecting plate evagination position 3 and the rear nut check in lower box connecting plate evagination position 4 thus by gear-box mould assembling.Described upper box body 11 and lower box body 21 all use two pieces of side plate 5 parts and one piece of coaming plate 6 parts to be welded a casing with gear-box inner chamber 7, one block of side plate 5 is wherein welded with motor eckband 8 and axle suspension bearing box eckband 9, other one block of side plate 5 is welded with labyrinth eckband 10, motor shaft and wheel shaft extend in gear-box inner chamber 7 by motor eckband 8, axle suspension bearing box eckband 9 and labyrinth eckband 10, and a pair gear pair on diaxon is wrapped in gear-box inner chamber 7.Side side plate 5 lateral surface being welded with motor eckband 8 and axle suspension bearing box eckband 9 at upper box body 11 and lower box body 21 is also all welded with mount pad 13 and column 14.

Assembly welding frock is the one of welding mechanical equipment, and installing locomotive gear cases assembly welding frock is a kind of special welding auxiliary equipment designed for installing locomotive gear cases assembly welding.Because installing locomotive gear cases needs to overturn in the process of assembly welding, so, all adopt rotatable assembly welding frock during present installing locomotive gear cases assembly welding.

But because installing locomotive gear cases is plated construction, its inside is hollow, during assembly welding, the torsional deformation that each parts postwelding of gear-box produces is comparatively large, and postwelding is difficult to correct, and need carry out soldering and could meet following process requirement, welding quality is low.

To sum up, how to design a kind of rotation assembly welding frock and the assembly welding method thereof that can improve installing locomotive gear cases welding quality, it is made to reduce the torsional deformation of gear-box, the torsional deformation that each for gear-box parts postwelding produces is controlled require at pattern and in following process margin range, do not need to carry out the technical problem that soldering is urgent need solution.

Application publication number is CN 102133751 A, Shen Qing Publication day is that the Chinese invention patent on July 27th, 2011 discloses a kind of turnover tool for gearbox, described frock comprises: supporting bracket, it has left socle and the right support of corresponding placement, described left socle top is provided with left support hole, right support is provided with right support hole, and the center line of described left and right supported hole is for being coaxially set; Rotary body, it can be rotatably set on supporting bracket, and the two ends of described rotary body are connected in left and right supported hole; Described gear-box is removably connected on described rotary body, and together can rotate along with rotary body.

Turnover tool for gearbox in above-mentioned patent document is to solve in assembling process, gear-box is convenient to the problem overturn, do not mention this patent technical problem to be solved, therefore, in above-mentioned patent document, openly do not solve the technical scheme of the technical problem that this patent is mentioned yet.

Summary of the invention

Technical problem to be solved by this invention is the defect for existing in prior art, a kind of rotation assembly welding frock and the assembly welding method thereof that can improve installing locomotive gear cases welding quality are provided, which reduce the torsional deformation of gear-box, the torsional deformation that each for gear-box parts postwelding produces can be controlled to require and in following process margin range at pattern, do not need to carry out soldering, reduce the labour intensity of workman, improve production efficiency.

For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of rotation assembly welding frock that can improve installing locomotive gear cases welding quality, comprise bracing frame and be rotatably connected on the rotary body on support frame as described above, support frame as described above comprises support one and support two, described rotary body is rotatably connected between described support one and support two, described rotary body comprises swivel plate, be vertically set on the top box die body on described swivel plate side, be vertically set on the nowel die body on the other side of described swivel plate, the appearance profile size of described top box die body and the gear-box cavity shape overall size of gear-box top box body match, the appearance profile size of described nowel die body and the gear-box cavity shape overall size of gear-box lower box body match, the two ends of described swivel plate are rotatably connected on respectively on described support one and support two and make described rotary body be rotatably connected between described support one and support two,

Described rotation assembly welding frock also comprises the upper box connecting plate compressing member of at least two for being pressed on by gear-box upper box connecting plate on the side of described swivel plate, for gear-box lower box connecting plate being pressed on the lower box connecting plate compressing member of at least two on the other side of described swivel plate, for gear-box eckband being pressed on upper eckband compressing member on described top box die body both sides and for gear-box eckband being pressed on the lower eckband compressing member on described nowel die body both sides.

Preferably, locate backing plate on the side of described swivel plate is also provided with, described top box die body is fixedly connected on the backing plate of described upper location, and the backing plate outwardly top box die body in being fixedly connected with it in described upper location forms backing plate male part position, upper location; The other side of described swivel plate is also provided with lower location backing plate, and described nowel die body is fixedly connected on the backing plate of described lower location, and the backing plate outwardly nowel die body in being fixedly connected with it in described lower location forms backing plate male part position, lower location;

The both sides of locating backing plate male part position and backing plate male part position, lower location on described are provided with stripping chute one, the both sides of described top box die body and nowel die body are provided with stripping chute two.

Preferably, the surrounding lateral surface of described upper location backing plate is set to gear-box upper box connecting plate locating surface, and namely the surrounding lateral surface of described upper location backing plate is all on the same vertical plane perpendicular to described swivel plate with the surrounding lateral surface of upper box connecting plate; The surrounding lateral surface of described lower location backing plate is set to gear-box lower box connecting plate locating surface, and namely the surrounding lateral surface of described lower location backing plate is all on the same vertical plane perpendicular to described swivel plate with the surrounding lateral surface of lower box connecting plate.

Preferably, a sidepiece of described top box die body and nowel die body is all welded with eckband locating convex block one and eckband locating convex block two, an other sidepiece of described top box die body and nowel die body is provided with eckband locating convex block three, the two ends of described eckband locating convex block one and eckband locating convex block two are arc, axle suspension bearing box eckband and motor eckband contact the location realizing described axle suspension bearing box eckband and motor eckband on the two ends arc part of described eckband locating convex block one and eckband locating convex block two respectively by engaging, the radius of curvature of the two ends arc part of described eckband locating convex block one and eckband locating convex block two matches with the radius of curvature of the inner side cambered surface of axle suspension bearing box eckband and motor eckband respectively, arc is also arranged in the two ends of described eckband locating convex block three, labyrinth eckband realizes the location of described labyrinth eckband by engaging contact on the two ends arc part of described eckband locating convex block three, the radius of curvature of the radius of curvature of the two ends arc part of described eckband locating convex block three and the inner side cambered surface of labyrinth eckband matches.

Preferably, described upper eckband compressing member comprises the upper eckband compressing member three being arranged on upper eckband compressing member one on described upper box one sidepiece and upper eckband compressing member two and being arranged on the other sidepiece of described upper box; Described upper eckband compressing member one, upper eckband compressing member two and upper eckband compressing member three include one end and are fixedly installed on upper standing screw on described top box die body sidepiece and upper eckband pressing plate, other one end of fixed screw rod through described upper eckband pressing plate and described upper eckband pressing plate can move around along upper standing screw, other one end of the upper standing screw through eckband pressing plate on described is also provided with the upper hold-down nut matched with it;

Described lower eckband compressing member comprises the lower eckband compressing member three being arranged on lower eckband compressing member one on described nowel die body one sidepiece and lower eckband compressing member two and being arranged on the other sidepiece of described lower box; Described lower eckband compressing member one, lower eckband compressing member two and lower eckband compressing member three include one end and are fixedly installed on lower standing screw on described lower box sidepiece and lower eckband pressing plate, other one end of described lower standing screw passes described lower eckband pressing plate and described lower eckband pressing plate can move around along lower standing screw, and other one end of the lower standing screw through described lower eckband pressing plate is also provided with the lower hold-down nut matched with it.

Preferably, described upper box connecting plate compressing member comprise be fixedly installed on described swivel plate side and the upper clamp nut being positioned at backing plate circumferential periphery place, described upper location, the upper hold-down bolt, the L-type top board that match with described upper clamp nut; The bar portion of described upper hold-down bolt is connected with described upper clamp nut through after a side of L-type top board, with being connected of upper clamp nut, one end of described L-type top board is contacted by described upper hold-down bolt with described swivel plate, its other one end compresses contact on described upper box connecting plate;

Described lower box connecting plate compressing member comprise be fixedly installed on the other side of described swivel plate and the lower compression nut being positioned at backing plate circumferential periphery place, described lower location, the lower hold-down bolt, the L-type lower platen that match with described lower compression nut; Described lower hold-down bolt is connected with described lower compression nut through after a side of L-type lower platen, with being connected of lower compression nut, one end of described L-type lower platen is contacted by described lower hold-down bolt with the other side of described swivel plate, its other one end compresses contact on described lower box connecting plate.

Preferably, described rotation assembly welding frock also comprises for gear-box upper box coaming plate is compressed with gear-box lower box coaming plate the coaming plate compressing member contacted on described top box die body and nowel die body respectively;

Described coaming plate compressing member comprises U-shaped slide block one, U-shaped slide block two, U-shaped compressor arm and coaming plate clamping screw; On described U-shaped slide block one and U-shaped slide block two are all combined in described swivel plate sidepiece by its U-shaped open card and described U-shaped slide block one and U-shaped slide block two all can move around along the sidepiece of described swivel plate, a side of described U-shaped slide block one and U-shaped slide block two is provided with yoke limit; The middle part of described U-shaped compressor arm is provided with the female compressor arm sleeve of band, described coaming plate clamping screw is mated connection through the female compressor arm sleeve of described band, and the dual-side of described U-shaped compressor arm is hinged with the yoke limit on a side of described U-shaped slide block one and U-shaped slide block two respectively by bearing pin.

The present invention also discloses a kind of use and rotates according to as above the assembly welding method that assembly welding frock carries out assembly welding, described assembly welding method adopts rigid fixation to carry out welding to gear-box, namely first a rigidity die body is set in gear-box inner chamber, after a rigidity processing support is set to gear-box, then welding is carried out to complete the assembly welding of whole gear-box to it.

Preferably, described assembly welding method comprises the step of first each for gear-box upper box parts and each parts of gear-box lower box being carried out preliminary welding, again each parts of described gear-box upper box and each parts of gear-box lower box are carried out to the step of welding, finally, described gear-box upper box complete for welding and gear-box lower box are carried out the step of demoulding taking-up;

Wherein, the step that each parts of described gear-box upper box carry out tentatively welding is:

Rotate rotary body, the swivel plate on rotary body is made to be in level, top box die body is in plumbness and described top box die body is in top position, gear-box upper box connecting plate to be placed on swivel plate and to be close to described top box die body place, then adjustment is positioned to described gear-box upper box connecting plate, after adjusting to the right place, by the upper box connecting plate compressing member being at least two, described gear-box upper box connecting plate is pressed abd fixed on swivel plate; the side side plate of gear-box upper box is inserted in the slot of motor eckband and axle suspension bearing box eckband, the other side side plate of gear-box upper box is inserted in the slot of labyrinth box eckband, then the described side side plate of gear-box upper box with motor eckband and axle suspension bearing box eckband and the other side side plate of the described gear-box upper box with labyrinth eckband to be placed into respectively on described gear-box upper box connecting plate and to be positioned at the both sides of described top box die body, then adjustment is positioned to it, after adjusting to the right place, by upper eckband compressing member, the described side side plate of gear-box upper box with motor eckband and axle suspension bearing box eckband and the other side side plate of the described gear-box upper box with labyrinth eckband are pressed abd fixed on the both sides of described top box die body respectively, and then spot-welded is carried out to the place that the biside plate of gear-box upper box contacts with gear-box upper box connecting plate, the biside plate of described gear-box upper box connecting plate and gear-box upper box is tentatively coupled together, also spot-welded is carried out to the place that eckband contacts with side plate, the biside plate of eckband and gear-box upper box is also tentatively coupled together,

Between the biside plate again gear-box upper box coaming plate being enclosed in successively gradually described gear-box upper box along described top box die body surrounding edge portion from biside plate one end of described gear-box upper box toward its other one end, and in the process enclosed, spot-welded is carried out successively in the place that gear-box upper box coaming plate contacts with the biside plate of described gear-box upper box, the place contacted with gear-box upper box connecting plate by gear-box upper box coaming plate is also by spot-welded, the biside plate of described gear-box upper box coaming plate and gear-box upper box and gear-box upper box connecting plate are tentatively coupled together,

The step that each parts of described gear-box lower box carry out preliminary welding is:

Rotate rotary body, the swivel plate on rotary body is made to be in level, nowel die body is in plumbness and described nowel die body is in top position, gear-box lower box connecting plate to be placed on swivel plate and to be close to described nowel die body place, then adjustment is positioned to described gear-box lower box connecting plate, after adjusting to the right place, by the lower box connecting plate compressing member being at least two, described gear-box lower box connecting plate is pressed abd fixed on swivel plate; the side side plate of gear-box lower box is inserted in the slot of motor eckband and axle suspension bearing box eckband, the other side side plate of gear-box lower box is inserted in the slot of labyrinth box eckband, then the described side side plate of gear-box lower box with motor eckband and axle suspension bearing box eckband and the other side side plate of the described gear-box lower box with labyrinth eckband to be placed into respectively on described gear-box lower box connecting plate and to be positioned at the both sides of described nowel die body, then adjustment is positioned to it, after adjusting to the right place, by lower eckband compressing member, the described side side plate of gear-box lower box with motor eckband and axle suspension bearing box eckband and the other side side plate of the described gear-box lower box with labyrinth eckband are pressed abd fixed on the both sides of described nowel die body respectively, and then spot-welded is carried out to the place that the biside plate of gear-box lower box contacts with gear-box lower box connecting plate, the biside plate of described gear-box lower box connecting plate and gear-box lower box is tentatively coupled together, also spot-welded is carried out to the place that eckband contacts with side plate, the biside plate of eckband and gear-box lower box is also tentatively coupled together,

Between the biside plate again gear-box lower box coaming plate being enclosed in successively gradually described gear-box lower box along described nowel die body surrounding edge portion from biside plate one end of described gear-box lower box toward its other one end, and in the process enclosed, spot-welded is carried out successively in the place that gear-box lower box coaming plate contacts with the biside plate of described gear-box lower box, the place contacted with gear-box lower box connecting plate by gear-box lower box coaming plate is also by spot-welded, the biside plate of described gear-box lower box coaming plate and gear-box lower box and gear-box lower box connecting plate are tentatively coupled together,

The step that each parts of described gear-box upper box carry out welding is:

Rotate rotary body, make the swivel plate on rotary body be in plumbness, top box die body is in level, then, carries out welding again to above-mentioned position of carrying out spot welding;

The step that each parts of described gear-box lower box carry out welding is:

Rotate rotary body, make the swivel plate on rotary body be in plumbness, nowel die body is in level, then, carries out welding again to above-mentioned position of carrying out spot welding;

By the step that described gear-box upper box complete for welding carries out demoulding taking-up be:

Rotate rotary body, make the swivel plate on rotary body be in level, top box die body is in plumbness and described top box die body is in top position, carries out the demoulding to gear-box upper box;

By the step that described gear-box lower box complete for welding carries out demoulding taking-up be:

Rotate rotary body, make the swivel plate on rotary body be in level, nowel die body is in plumbness and described nowel die body is in top position, carries out the demoulding to gear-box lower box.

Described coaming plate compressing member comprises U-shaped slide block one, U-shaped slide block two, U-shaped compressor arm and coaming plate clamping screw; On described U-shaped slide block one and U-shaped slide block two are all combined in described swivel plate sidepiece by its U-shaped open card and described U-shaped slide block one and U-shaped slide block two all can move around along the sidepiece of described swivel plate, a side of described U-shaped slide block one and U-shaped slide block two is provided with yoke limit; The middle part of described U-shaped compressor arm is provided with the female compressor arm sleeve of band, described coaming plate clamping screw is mated connection through the female compressor arm sleeve of described band, and the dual-side of described U-shaped compressor arm is hinged with the yoke limit on a side of described U-shaped slide block one and U-shaped slide block two respectively by bearing pin;

The each parts of described gear-box upper box carry out enclosing in the process of spot-welded by gear-box upper box coaming plate in the step of preliminary welding or each parts of described gear-box lower box carry out enclosing in the process of spot-welded by gear-box lower box coaming plate in the step of preliminary welding, all the positions according to spot-welded point, by moving U-shaped slide block one and U-shaped slide block two and rotating U-shaped compressor arm, the compression point making coaming plate clamping screw be pressed on gear-box upper box coaming plate or the compression point that makes coaming plate clamping screw be pressed on gear-box lower box coaming plate move gradually along with spot-welded point, until complete gear-box upper box coaming plate to enclose spot-welded process or gear-box lower box coaming plate encloses spot-welded process.

Beneficial effect of the present invention is: the rotation assembly welding frock in the present invention can play to each parts of upper and lower casing the effect that rigidly fixes support, decrease the torsional deformation of gear-box, the torsional deformation that each for gear-box parts postwelding produces is controlled to require and in following process margin range at pattern, do not need to carry out soldering, improve welding quality, reduce the labour intensity of workman, improve production efficiency; Backing plate male part position, location is utilized to carry out welding location to gear-box connecting plate and utilize eckband locating convex block to position welding to gear-box eckband, both can each parts on quick assembling gear-box, the fitted position between each parts can be ensured again, assembly welding is got up more convenient, in addition, when gear-box after utilizing the present invention to carry out assembly welding carries out the demoulding, simple and convenient, the demoulding is easy, be convenient to operative, decrease the operating time of whole assembly welding, further reduce the working strength of workman, improve operating efficiency; Assembly welding method in the present invention adopts rigid fixation to carry out welding to gear-box, can reduce the torsional deformation of gear-box, improve welding quality; Utilize coaming plate compressing member assembling coaming plate to carry out alternative hand bumping assembling coaming plate and complete spot-welded, avoid hand bumping assembling coaming plate and cause the problem that the labour intensity of operator increases, operate time saving and energy saving, greatly improve operating efficiency, also avoid hammering vibrations in addition and the generation of influential problem is out of shape to gear-box fitted position, further increase welding quality.

Accompanying drawing explanation

Fig. 1 is the perspective view one of existing installing locomotive gear cases;

Fig. 2 is the perspective view two of existing installing locomotive gear cases;

Fig. 3 is the amplification perspective view being positioned at upper and lower box body connecting plate place in Fig. 1;

Fig. 4 is the perspective view rotating assembly welding frock in the embodiment of the present invention 1;

Fig. 5 be rotate in the embodiment of the present invention 1 assembly welding frock remove upper and lower eckband pressing plate and upper and lower box body connecting plate compressing member after perspective view;

Fig. 6 is the main TV structure schematic diagram rotating assembly welding frock in the embodiment of the present invention 1;

Fig. 7 is the plan structure schematic diagram rotating assembly welding frock in the embodiment of the present invention 1;

Fig. 8 is the perspective view of the embodiment of the present invention 1 eckband locating convex block a pair axle suspension bearing box eckband rotated in assembly welding frock when positioning;

Fig. 9 is the amagnified partial perspective structural representation of the medial surface of existing installing locomotive gear cases side side plate;

Figure 10 is the amagnified partial perspective structural representation being positioned at upper box connecting plate compressing member place in Fig. 4;

Figure 11 is the structural representation being positioned at ring flange one and ring flange two place in the embodiment of the present invention 1;

Figure 12 utilizes in the embodiment of the present invention 1 perspective view rotated when assembly welding frock carries out assembly welding to gear-box;

Figure 13 utilizes in the embodiment of the present invention 2 perspective view rotated when assembly welding frock carries out assembly welding to gear-box;

Figure 14 is the amagnified partial perspective structural representation being positioned at U-shaped slide block one place in Figure 13;

Figure 15 is the main TV structure schematic diagram that the embodiment of the present invention 2 rotates the U-shaped side plate clamping element in assembly welding frock;

In figure: 1. upper box, 11. upper box bodies, 12. upper box connecting plates, 2. lower box, 21. lower box bodies, 22. lower box connecting plates, 3. upper box connecting plate evagination position, 4. lower box connecting plate evagination position, 5. side plate, 6. coaming plate, 7. gear-box inner chamber, 8. motor eckband, 9. axle suspension bearing box eckband, 10. labyrinth eckband, 13. mount pads, 14. columns, 15. bracing frames, 151. supports one, 152. supports two, 16. rotary bodies, 161. swivel plate, 162. top box die bodys, 163. nowel die bodys, 17. die body sidepieces, 18. die body surrounding edge portions, 19. upper box connecting plate compressing members, clamp nut on 191., hold-down bolt on 192., 193. L-type top boards, 20. lower box connecting plate compressing members, eckband compressing member on 23., eckband compressing member one on 231., eckband compressing member two on 232., eckband compressing member three on 233., 24. times eckband compressing members, 241. times eckband compressing members one, 242. times eckband compressing members two, backing plate is located on 25., backing plate male part position is located on 26., 27. times location backing plates, backing plate male part position, 28. times location, 29. stripping chute one, 30. stripping chute two, 31. eckband locating convex blocks one, 32. eckband locating convex blocks two, 33. eckband locating convex blocks three, 34. arc parts, 35. side plane contact projections, 36. dodge space, 37. mount pad convex positions, 38. eckband convex positions, standing screw on 39., eckband pressing plate on 40., hold-down nut on 41., 42. sleeves, 43. rotating shafts, 44. ring flanges one, 45. ring flanges two, 46. bolt devices, 461. cylindrical shell, 462. bolt rod, 463. flange, 464. stage clip, 47. coaming plate compressing members, 471. U-shaped slide blocks one, 472. U-shaped compressor arms, 473. coaming plate clamping screws, 474. compressor arm sleeves, 48. yoke limits, 49. bearing pins, 50. U-shaped side plate clamping elements, 501. U-shaped clamps, 502. binding nut, 503. fishbolt.

Detailed description of the invention

Below in conjunction with the drawings and specific embodiments, elaboration detailed is further done to technical scheme of the present invention.

Embodiment 1: as shown in Figures 4 to 7, a kind of rotation assembly welding frock that can improve installing locomotive gear cases welding quality, the rotary body 16 comprising bracing frame 15 and be rotatably connected on support frame as described above 15, support frame as described above 15 comprises support 1 and support 2 152, described rotary body 16 is rotatably connected between described support 1 and support 2 152, described rotary body 16 comprises swivel plate 161, be vertically set on the top box die body 162 on described swivel plate 161 side, be vertically set on the nowel die body 163 on the other side of described swivel plate 161, the appearance profile size of described top box die body 162 and the gear-box inner chamber 7 shape overall size of gear-box top box body 11 match, the appearance profile size of described nowel die body 163 and the gear-box inner chamber 7 shape overall size of gear-box lower box body 21 match, described top box die body 162 and nowel die body 163 include the die body surrounding edge portion 18 between the die body sidepiece 17 of both sides and the die body sidepiece 17 being arranged on described both sides, Contact Tooth roller box upper box body 11 biside plate is supported when the both sides die body sidepiece 17 of top box die body is for welding, the coaming plate of Contact Tooth roller box upper box body 11 is supported when the die body surrounding edge portion 18 of top box die body is for welding, Contact Tooth roller box lower box body 21 biside plate is supported when the both sides die body sidepiece 17 of nowel die body is for welding, the coaming plate of Contact Tooth roller box lower box body 21 is supported when the die body surrounding edge portion 18 of nowel die body is for welding, the appearance profile size of top box die body 162 and nowel die body 163 designs according to the dimensional requirement of gear-box inner chamber in advance, the two ends of described swivel plate 161 are rotatably connected on respectively on described support 1 and support 2 152 and make described rotary body 16 be rotatably connected between described support 1 and support 2 152,

Described rotation assembly welding frock also comprises the upper box connecting plate compressing member 19 of at least two for being pressed on by gear-box upper box connecting plate 12 on the side of described swivel plate 161, for gear-box lower box connecting plate 22 being pressed on the lower box connecting plate compressing member 20 of at least two on the other side of described swivel plate 161, for the lower eckband compressing member 24 that gear-box eckband is pressed on the both sides die body sidepiece 17 of described nowel die body 163 by the upper eckband compressing member 23 that is pressed on by gear-box eckband on the both sides die body sidepiece 17 of described top box die body 162 and being used for.Before welding, top box die body 162 and nowel die body 163 are separately positioned in the gear-box inner chamber 7 of gear-box upper box 1 and the gear-box inner chamber 7 of gear-box lower box 2, during welding, Contact Tooth roller box upper box body 11 biside plate and coaming plate is supported by top box die body 162, Contact Tooth roller box lower box body 21 biside plate and coaming plate is supported by nowel die body 163, thus to upper, each parts of lower box play the effect that rigidly fixes support, decrease the torsional deformation of gear-box, the torsional deformation that each for gear-box parts postwelding produces is controlled to require and in following process margin range at pattern, do not need to carry out soldering, improve welding quality, reduce the labour intensity of workman, improve production efficiency.

The side of described swivel plate 161 on being also provided with locate backing plate 25, described top box die body 162 is welded on described upper location backing plate 25, and the outwardly top box die body 162 in being fixedly connected with it of described upper location backing plate 25 is formed locates backing plate male part position 26; The other side of described swivel plate 161 is also provided with lower location backing plate 27, described nowel die body 163 is fixedly connected on described lower location backing plate 27, locates backing plate male part position 28 under the outwardly nowel die body 163 in being fixedly connected with it of described lower location backing plate 27 is formed; The both sides of locating backing plate male part position 26 and backing plate male part position, lower location 28 on described are provided with stripping chute 1, the both sides of described top box die body 162 and nowel die body 163 are provided with stripping chute 2 30.Now, gear-box upper box connecting plate 12 is pressed on backing plate male part position, upper location 26 by upper box connecting plate compressing member 19, when assembly welding complete need to gear-box upper box carry out the demoulding take out time, utilize crowbar to insert in the stripping chute 1 of backing plate both sides, upper location, utilize crowbar to contact with upper box connecting plate 12 whole gear-box upper box up prized, when upper box connecting plate 12 is prized to stripping chute 2 30 place, the suspension hook of recycling driving suspender stretches in the stripping chute 2 30 of both sides and is hooked by the upper box connecting plate 12 of both sides, by driving suspender, whole gear-box upper box 162 demoulding is taken out, make the demoulding simple and convenient, be more prone to the demoulding, be convenient to operative, decrease the operating time of whole assembly welding.In addition, the top that stripping chute two is arranged on the demoulding one being positioned at homonymy is the position of 30 to 40mm, like this, both are separated by nearer, during the demoulding, only gear-box upper box sled just can need be hung out by driving to stripping chute two place, shorten and prized distance, the demoulding being more convenient to gear case body is taken out.The effect of the stripping chute one on both sides, backing plate male part position, lower location and the stripping chute two on nowel die body both sides is the same with the effect of the stripping chute one of backing plate male part position, above-mentioned upper location and the stripping chute two of top box die body, and only it takes out gear-box lower box for the ease of the demoulding.

The surrounding lateral surface of described upper location backing plate 25 is set to gear-box upper box connecting plate 12 locating surface, and namely the surrounding lateral surface of described upper location backing plate 25 is all on the same vertical plane perpendicular to described swivel plate with the surrounding lateral surface of upper box connecting plate 12; The surrounding side of described lower location backing plate 27 is set to gear-box lower box connecting plate 22 locating surface, and namely the surrounding lateral surface of described lower location backing plate 27 is all on the same vertical plane perpendicular to described swivel plate with the surrounding lateral surface of lower box connecting plate 22.Such setting, is convenient to the assembling location of upper box connecting plate 12 and lower box connecting plate 22.According to designing requirement, the size of backing plate male part position, described upper location 26 and gear-box upper box connecting plate evagination position 3 are sized to match, upon assembly, first gear-box upper box connecting plate 12 is placed on backing plate male part position, upper location 26, then its position is adjusted, as available hammer knocks the surrounding lateral surface of gear-box upper box connecting plate 12 gently, until the surrounding lateral surface of the surrounding lateral surface of upper box connecting plate 12 and upper location backing plate 25 is all on the same vertical plane perpendicular to described swivel plate, and then utilize upper box connecting plate compressing member 19 to be pressed on by upper box connecting plate 12 on upper location backing plate 25, complete the assembling location of upper box connecting plate 12.

According to designing requirement, the size of backing plate male part position, described lower location 28 and gear-box lower box connecting plate evagination position 4 are sized to match, the positioning action of the surrounding lateral surface of lower location backing plate 27 is the same with the positioning action of the surrounding lateral surface of upper location backing plate 25, and only it positions assembling to gear-box lower box connecting plate 22.

As shown in Figure 6 to 8, the side die body sidepiece 17 of described top box die body and nowel die body is all welded with eckband locating convex block 1 and eckband locating convex block 2 32, the other side die body sidepiece 17 of described top box die body and nowel die body is all welded with eckband locating convex block 3 33, the two ends of described eckband locating convex block 1 and eckband locating convex block 2 32 are arc, the inside portion of motor eckband 8 and axle suspension bearing box eckband 9 contacts the location realizing described axle suspension bearing box eckband and motor eckband on the outside portion of the two ends arc part 34 of described eckband locating convex block 1 and eckband locating convex block 2 32 respectively by engaging, the radius of curvature of the two ends arc part 34 of described eckband locating convex block one and eckband locating convex block two matches with the radius of curvature of the inner side cambered surface of axle suspension bearing box eckband 9 and motor eckband 8 respectively, arc is also arranged in the two ends of described eckband locating convex block 3 33, the inside portion of labyrinth eckband realizes the location of described labyrinth eckband on the outside portion of the two ends arc part of described eckband locating convex block three by engaging contact, the radius of curvature of the radius of curvature of the two ends arc part of described eckband locating convex block three and the inner side cambered surface of labyrinth eckband matches.Eckband locating convex block one, eckband locating convex block two and eckband locating convex block three position on the both sides die body sidepiece 17 of top box die body and nowel die body sets in advance according to designing requirement.

The surrounding lateral surface of location backing plate is utilized to carry out welding location to gear-box connecting plate and utilize eckband locating convex block to carry out welding location to gear-box eckband, both can each parts on quick assembling gear-box, the fitted position between each parts can be ensured again, assembly welding is got up more convenient, further reduce the working strength of workman, improve operating efficiency.

As shown in Figures 4 to 7, the die body sidepiece 17 of the both sides of described top box die body 162 and nowel die body 163 is all also provided with the side plane contact projection 35 being at least two pieces, in the present embodiment, the side of top box die body 162 and nowel die body 163 is provided with three pieces of side plane contact projections 35, the other side of top box die body 162 and nowel die body 163 is all also provided with three pieces of side plane contact projections 35, the both sides die body sidepiece 17 of top box die body and nowel die body is formed and dodges space 36 between three pieces of side plane contact projections 35 and eckband locating convex block.The setting of dodging space 36 is because in some different model gear-box, and as shown in Figure 9, when mount pad 13 and gear-box side plate 5 are assembled, the bottom of mount pad 13 can protrude a part through gear-box side plate 5 to gear-box inner chamber, i.e. mount pad convex position 37; When eckband and sidepiece are assembled, eckband also can have eckband convex position 38, above-mentioned space 36 of dodging is exactly in order to gear-box is when assembling, dodge mount pad convex position 37 and eckband convex position 38, during assembly welding, utilize side plane contact projection 35 to support with gear-box side plate 5 to contact, further reduce the torsional deformation of gear-box.

As shown in Figures 4 to 7, described upper eckband compressing member 23 comprise be arranged on described upper box side die body sidepiece 17 on upper eckband compressing member 1 and upper eckband compressing member 2 232 and the upper eckband compressing member 3 233 that is arranged on the other sidepiece of described upper box; Described upper eckband compressing member 1, upper eckband compressing member 2 232 and upper eckband compressing member 3 233 include one end and are welded on upper standing screw 39 on the die body sidepiece 17 of described top box die body and upper eckband pressing plate 40, other one end of fixed screw rod 39 through described upper eckband pressing plate 40 and described upper eckband pressing plate 40 can move around along upper standing screw 39, other one end of the upper standing screw 39 through eckband pressing plate on described is also provided with the upper hold-down nut 41 matched with it.Upper standing screw 39 is arranged near the eckband locating piece that is positioned on top box die body 162, after gear-box eckband is had good positioning by eckband locating piece, tighten hold-down nut 41, upper eckband pressing plate 40 is contacted with the eckband on the side plate 5 of gear-box upper box body 11 by tightening upper hold-down nut 41 thus the eckband on the side plate 5 of gear-box upper box body 11 is pressed abd fixed on the die body sidepiece 17 of top box die body 162.

Described lower eckband compressing member 24 comprises lower eckband compressing member three (not shown) being arranged on lower eckband compressing member 1 on described nowel die body side die body sidepiece 17 and lower eckband compressing member 2 242 and being arranged on the die body sidepiece 17 of the other side of described lower box, described lower eckband compressing member one, the structure of lower eckband compressing member two and lower eckband compressing member three and described upper eckband compressing member one, upper eckband compressing member two is the same with the structure of upper eckband compressing member three, described lower eckband compressing member one, lower eckband compressing member two and lower eckband compressing member three include one end and are welded on lower standing screw on the die body sidepiece of described nowel die body both sides and lower eckband pressing plate, other one end of described lower standing screw passes described lower eckband pressing plate and described lower eckband pressing plate can move around along lower standing screw, other one end of lower standing screw through described lower eckband pressing plate is also provided with the lower hold-down nut matched with it.Lower standing screw is arranged near the eckband locating piece that is positioned on nowel die body 163, after gear-box eckband is had good positioning by eckband locating piece, tighten lower hold-down nut, lower eckband pressing plate is contacted with the eckband on the side plate 5 of gear-box lower box body 21 by tightening lower hold-down nut thus the eckband on the side plate 5 of gear-box lower box body 21 is pressed abd fixed on the die body sidepiece 17 of nowel die body 163.

As shown in fig. 10 and fig. 12, described upper box connecting plate compressing member 19 comprise be welded on described swivel plate 161 side and the upper clamp nut 191 being positioned at backing plate 25 circumferential periphery place, described upper location, the upper hold-down bolt 192, the L-type top board 193 that match with described upper clamp nut 191; The bar portion of described upper hold-down bolt 192 is connected with described upper clamp nut 191 through after a side of L-type top board 193, with being connected of upper clamp nut 191, one end of described L-type top board 193 is contacted by described upper hold-down bolt 192 with described swivel plate 161 side, its other one end compresses contact on described upper box connecting plate 12;

The structure of described lower box connecting plate compressing member (not shown) is the same with upper box connecting plate compressing member, lower box connecting plate compressing member comprise be welded on the other side of described swivel plate and the lower compression nut being positioned at backing plate circumferential periphery place, described lower location, the lower hold-down bolt, the L-type lower platen that match with described lower compression nut; Described lower hold-down bolt is connected with described lower compression nut through after a side of L-type lower platen, with being connected of lower compression nut, one end of described L-type lower platen is contacted by described lower hold-down bolt with the other side of described swivel plate, its other one end compresses contact on described lower box connecting plate.

Described L-type top board and L-type lower platen all have waist typed through hole, upper hold-down bolt and lower hold-down bolt match with upper clamp nut and lower compression nut after being each passed through the waist typed through hole on L-type top board and L-type lower platen, waist typed through hole is set, mainly in order to aspect L-type pressing plate is in the adjustment along waist typed through hole length direction, thus the compression point that L-type pressing plate is pressed on box body connecting plate can adjust easily.

As shown in Fig. 4 and Figure 11, the rotary body of the present embodiment rotates and is achieved in that and is all welded with sleeve 42 at the top of support 1 and support 2 152, the two ends of swivel plate 161 are welded with rotating shaft 43, rotating shaft 43 on the two ends of swivel plate penetrates respectively and is rotationally connected in the sleeve 42 intermediate gap cooperation at support one and support two top, sleeve 42 outside weldings of a support has ring flange 1 wherein, rotating shaft 43 on swivel plate one end through be welded with ring flange one sleeve 42 and through be welded with ring flange one sleeve 42 rotating shaft 43 on be welded with ring flange 2 45, ring flange 1 maintains static, and ring flange 2 45 can rotate together along with swivel plate 161, ring flange 2 45 is provided with bolt device 46, described bolt device 46 comprises the cylindrical shell 461 be welded on ring flange 2 45 side, through the bolt rod 462 at described cylindrical shell 461 two ends, one end of described bolt rod 462 is positioned at cylindrical shell 461 outside, swivel plate can be fixed through the through hole on described ring flange 2 45 and the through hole on ring flange 1 by its other one end successively, on described bolt rod 462 and the inner chamber being arranged in cylindrical shell 461 is provided with flange 463, stage clip 464 is provided with between the inside portion and bolt rod flange 463 of described cylindrical shell 461 one end.When needs swivel plate rotates, bolt rod 462 is pulled up, now stage clip 464 is in compressive state, rotate ring flange 2 45 thus the rotation of driven rotary plate, when turning to suitable angle, bolt rod 462 is unclamped, under the restoring force effect of stage clip 464, bolt rod 462 resilience, to insert successively in the through hole on ring flange 2 45 and the through hole on ring flange 1 thus to be fixed by swivel plate.By said structure, swivel plate can be realized and rotate at any angle and fix, be convenient to the welding operation of workman, improve the assembly welding efficiency of gear-box.

As shown in Fig. 4, Fig. 5 and Figure 12, the present invention also discloses a kind of use and rotates according to as above the assembly welding method that assembly welding frock carries out assembly welding, described assembly welding method adopts rigid fixation to carry out welding to gear-box, namely first a rigidity die body is set in gear-box inner chamber, after a rigidity processing support is set to gear-box, then welding is carried out to complete the assembly welding of whole gear-box to it.

Described assembly welding method comprises the step of first each for gear-box upper box parts and each parts of gear-box lower box being carried out preliminary welding, again each parts of described gear-box upper box and each parts of gear-box lower box are carried out to the step of welding, finally, described gear-box upper box complete for welding and gear-box lower box are carried out the step of demoulding taking-up;

Rotate rotary body, the swivel plate 161 on rotary body is made to be in level, top box die body 162 is in plumbness and described top box die body 162 is in top position, gear-box upper box connecting plate 12 to be placed on swivel plate 161 and to be close to described top box die body 162 place, then adjustment is positioned to described gear-box upper box connecting plate 12, after adjusting to the right place, by the upper box connecting plate compressing member 19 being at least two, described gear-box upper box connecting plate 12 is pressed abd fixed on swivel plate 161; the side side plate 5 of gear-box upper box is inserted in the slot of motor eckband 8 and axle suspension bearing box eckband 9, the other side side plate 5 of gear-box upper box is inserted in the slot of labyrinth box eckband 10, then the described side side plate 5 of gear-box upper box with motor eckband and axle suspension bearing box eckband and the other side side plate 5 of the described gear-box upper box with labyrinth eckband to be placed into respectively on described gear-box upper box connecting plate 12 and to be positioned at the both sides of described top box die body 162, then adjustment is positioned to it, after adjusting to the right place, by upper eckband compressing member 23, the described side side plate 5 of gear-box upper box with motor eckband and axle suspension bearing box eckband and the other side side plate 5 of the described gear-box upper box with labyrinth eckband are pressed abd fixed on the both sides of described top box die body 162 respectively, and then spot-welded is carried out to the place that the biside plate 5 of gear-box upper box contacts with gear-box upper box connecting plate 12, the biside plate of described gear-box upper box connecting plate and gear-box upper box is tentatively coupled together, also spot-welded is carried out to the place that eckband contacts with side plate, the biside plate of eckband and gear-box upper box is also tentatively coupled together,

Between the biside plate 5 again gear-box upper box coaming plate 6 being enclosed in successively gradually described gear-box upper box along described top box die body surrounding edge portion 18 from biside plate 5 one end of described gear-box upper box toward its other one end, and in the process enclosed, spot-welded is carried out successively in the place that gear-box upper box coaming plate 6 both sides contact with the biside plate 5 of described gear-box upper box, the place contacted with gear-box upper box connecting plate 12 at gear-box upper box coaming plate 6 both ends is also by spot-welded, the biside plate 5 of described gear-box upper box coaming plate 6 and gear-box upper box and gear-box upper box connecting plate 12 are tentatively coupled together,

Rotate rotary body 16, the swivel plate 161 on rotary body is made to be in level, nowel die body 163 is in plumbness and described nowel die body 163 is in top position, gear-box lower box connecting plate 22 to be placed on swivel plate 161 and to be close to described nowel die body 163 place, then adjustment is positioned to described gear-box lower box connecting plate 22, after adjusting to the right place, by the lower box connecting plate compressing member 20 being at least two, described gear-box lower box connecting plate 22 is pressed abd fixed on swivel plate 161; the side side plate 5 of gear-box lower box is inserted in the slot of motor eckband 8 and axle suspension bearing box eckband 9, the other side side plate 5 of gear-box lower box is inserted in the slot of labyrinth box eckband 10, then the described side side plate 5 of gear-box lower box with motor eckband 8 and axle suspension bearing box eckband 9 and the other side side plate 5 of the described gear-box lower box with labyrinth eckband 10 to be placed into respectively on described gear-box lower box connecting plate 22 and to be positioned at the both sides of described nowel die body 163, then adjustment is positioned to it, after adjusting to the right place, by lower eckband compressing member 24, the described side side plate 5 of gear-box lower box with motor eckband and axle suspension bearing box eckband and the other side side plate 5 of the described gear-box lower box with labyrinth eckband are pressed abd fixed on the both sides of described nowel die body 163 respectively, and then spot-welded is carried out to the place that the biside plate 5 of gear-box lower box contacts with gear-box lower box connecting plate 22, described gear-box lower box connecting plate 22 is tentatively coupled together with the biside plate 5 of gear-box lower box, also spot-welded is carried out to the place that eckband contacts with side plate, the biside plate of eckband and gear-box lower box is also tentatively coupled together,

Between the biside plate 5 again gear-box lower box coaming plate 6 being enclosed in successively gradually described gear-box lower box along described nowel die body surrounding edge portion 18 from biside plate 5 one end of described gear-box lower box toward its other one end, and in the process enclosed, spot-welded is carried out successively in the place that gear-box lower box coaming plate 6 both sides contact with the biside plate 5 of described gear-box lower box, the place contacted with gear-box lower box connecting plate 22 at gear-box lower box coaming plate 6 both ends is also by spot-welded, the biside plate 5 of described gear-box lower box coaming plate 6 and gear-box lower box and gear-box lower box connecting plate 22 are tentatively coupled together,

The step that each parts of described gear-box upper box carry out welding is:

Rotate rotary body 16, make the swivel plate 161 on rotary body be in plumbness, top box die body 162 is in level, then, carries out welding again to above-mentioned position of carrying out spot welding;

The step that each parts of described gear-box lower box carry out welding is:

Rotate rotary body 16, make the swivel plate 161 on rotary body be in plumbness, nowel die body 163 is in level, then, carries out welding again to above-mentioned position of carrying out spot welding;

Rotate rotary body 16, make the swivel plate 161 on rotary body be in level, top box die body 162 is in plumbness and described top box die body 162 is in top position, carries out the demoulding to gear-box upper box;

Rotate rotary body 16, make the swivel plate 161 on rotary body be in level, nowel die body 163 is in plumbness and described nowel die body 163 is in top position, carries out the demoulding to gear-box lower box.

Above-mentioned assembly welding method is taked to carry out assembly welding to gear-box, the torsional deformation of gear-box can be reduced, the torsional deformation that each for gear-box parts postwelding produces is controlled to require and in following process margin range at pattern, do not need to carry out soldering, improve welding quality, reduce the labour intensity of workman, improve production efficiency.In addition, when the present embodiment carries out welding to each parts of gear-box, all weldings under each parts of gear-box are in level, the molten permeability of welding is like this better, further increases welding quality; When carrying out the demoulding, upper and lower casing is all in plumbness, makes the demoulding of gear-box become like this and is more prone to.Utilize the present embodiment to carry out assembly welding to gear-box can realize clamped one time and complete welding sequence, further increase production efficiency.

The side of described swivel plate on being also provided with locate backing plate 25, described top box die body 162 is fixedly connected on described upper location backing plate 25, and the outwardly top box die body 162 in being fixedly connected with it of described upper location backing plate 25 is formed locates backing plate male part position 26; The other side of described swivel plate 161 is also provided with lower location backing plate 27, described nowel die body 163 is fixedly connected on described lower location backing plate 27, and the outwardly nowel die body in being fixedly connected with it of described lower location backing plate 27 forms backing plate male part position, lower location 28; The both sides of locating backing plate male part position 26 and backing plate male part position, lower location 28 on described are provided with stripping chute 1, the both sides of described top box die body and nowel die body are provided with stripping chute 2 30.During assembly welding, gear-box upper box connecting plate 12 and gear-box lower box connecting plate 22 are placed on respectively on upper location backing plate 25 on the both sides of swivel plate and lower location backing plate 27, by upper box connecting plate compressing member 19 and lower box connecting plate compressing member 20, gear-box upper box connecting plate 12 and gear-box lower box connecting plate 22 are pressed abd fixed on upper location backing plate 25 and lower location backing plate 27 respectively again, described described gear-box upper box complete for welding is carried out demoulding taking-up and described gear-box lower box complete for welding is carried out the demoulding take out time, utilize the stripping chute two on the both sides of the stripping chute one on the both sides of upper backing plate male part position, location and backing plate male part position, lower location and top box die body and nowel die body, as described in content when concrete steps are as being described stripping chute one and stripping chute two before this paper, no longer burden is repeated at this.

The surrounding lateral surface of described upper location backing plate 25 is set to gear-box upper box connecting plate 12 locating surface, and namely the surrounding lateral surface of described upper location backing plate 25 is all on the same vertical plane perpendicular to described swivel plate with the surrounding lateral surface of upper box connecting plate 12; The surrounding side of described lower location backing plate 27 is set to gear-box lower box connecting plate 22 locating surface, and namely the surrounding lateral surface of described lower location backing plate 27 is all on the same vertical plane perpendicular to described swivel plate with the surrounding lateral surface of lower box connecting plate 22.Described to gear-box upper box connecting plate and gear-box lower box connecting plate position adjustment utilize described gear-box upper box connecting plate locating surface and gear-box lower box connecting plate locating surface, as described in content when concrete steps are as being described gear-box upper box connecting plate locating surface and gear-box lower box connecting plate locating surface before this paper, no longer repeat burden at this.

Embodiment 2: as shown in FIG. 13 to 15, compared with embodiment 1, difference is: described rotation assembly welding frock also comprises for gear-box upper box coaming plate 6 is compressed with gear-box lower box coaming plate 6 the coaming plate compressing member 47 contacted in the die body surrounding edge portion 18 of top box die body and the die body surrounding edge portion 18 of nowel die body respectively;

Described coaming plate compressing member 47 comprises U-shaped slide block 1, U-shaped slide block two (not shown), U-shaped compressor arm 472 and coaming plate clamping screw 473; On described U-shaped slide block 1 and U-shaped slide block two are all combined in described swivel plate 161 sidepiece by its U-shaped open card and described U-shaped slide block 1 and U-shaped slide block two all can move around along the sidepiece of described swivel plate 161, a side of described U-shaped slide block 1 and U-shaped slide block two is provided with yoke limit 48; The middle part of described U-shaped compressor arm 472 is provided with the female compressor arm sleeve 474 of band, described coaming plate clamping screw 473 is mated connection through the female compressor arm sleeve 474 of described band, and the dual-side of described U-shaped compressor arm 472 is hinged with the yoke limit 48 on a side of described U-shaped slide block one and U-shaped slide block two respectively by bearing pin 49.

The present embodiment also discloses a kind of use and rotates according to as above the assembly welding method that assembly welding frock carries out assembly welding, it is with the difference of the assembly welding method in embodiment 1: each parts of described gear-box upper box carry out enclosing in the process of spot-welded by gear-box upper box coaming plate in the step of tentatively weld or each parts of described gear-box lower box carry out enclosing in the process of spot-welded by gear-box lower box coaming plate in preliminary step of welding, all the positions according to spot-welded point, by moving U-shaped slide block 1 and U-shaped slide block two and rotating U-shaped compressor arm 472, the compression point making coaming plate clamping screw 473 be pressed on gear-box upper box coaming plate 6 or the compression point that makes coaming plate clamping screw 473 be pressed on gear-box lower box coaming plate 6 move gradually along with spot-welded point, until complete gear-box upper box coaming plate 6 to enclose spot-welded process or gear-box lower box coaming plate 6 encloses spot-welded process.

When coaming plate being enclosed between biside plate in prior art, being directly press coaming plate with hand, knocking coaming plate gently with hammer, when making coaming plate be in position suitable between biside plate, then by spot-welded post between it.But, operate like this and waste time and energy, had a strong impact on operating efficiency.And in the present embodiment, carry out alternative hand bumping assembling coaming plate by coaming plate compressing member assembling coaming plate and complete spot-welded, when carrying out the preliminary spot-welded of gear-box upper box, first, the sidepiece first U-shaped open card of described U-shaped slide block 1 and U-shaped slide block two being combined in described swivel plate 161 make the yoke limit 48 of described U-shaped slide block 1 and U-shaped slide block two all be positioned at top position, after moving described U-shaped slide block 1 and U-shaped slide block two to suitable position along the sidepiece of described swivel plate 161 again, U-shaped slide block 1 and U-shaped slide block two are fixed on position suitable on swivel plate 161, at this, positive stop can be set on the sidepiece of swivel plate 161, U-shaped slide block one and U-shaped slide block two are contacted with positive stop, thus U-shaped slide block one and U-shaped slide block two are fixed, also fastening bolt can be set at U-shaped slide block one and U-shaped slide block two, by fastening bolt through U-shaped slide block one and swivel plate and U-shaped slide block one and U-shaped slide block two are fixed on position suitable on swivel plate by fastening bolt through U-shaped slide block two and swivel plate, and then the dual-side of the U-shaped compressor arm 472 with coaming plate clamping screw is hinged together with the yoke limit 48 on a side of described U-shaped slide block 1 and U-shaped slide block two respectively by bearing pin 49, between the biside plate 5 again gear-box upper box coaming plate 6 being enclosed in successively gradually described gear-box upper box along the die body surrounding edge portion 18 of described top box die body from biside plate one end of described gear-box upper box toward its other one end, and in the process enclosed, by U-shaped compressor arm, 472 coaming plate clamping screws 473 are turned to the surrounding edge top position of the pad carrying out spot-welded, after rotateing in place, turn coaming plate clamping screw 473, one end of coaming plate clamping screw 473 is made to be pressed on the coaming plate 6 of this pad, thus coaming plate 6 is pressed in the die body surrounding edge portion 18 of top box die body, carry out spot-welded again, after the coaming plate spot-welded from coaming plate clamping screw vicinity, to back-out again coaming plate clamping screw 473, by U-shaped compressor arm 472, coaming plate clamping screw 473 is turned to the surrounding edge top position of the next spot-welded along coaming plate length direction, and then turn coaming plate clamping screw 473, one end of coaming plate clamping screw 473 is made to be pressed on the coaming plate 6 of this pad, spot-welded is carried out to coaming plate 6, until complete the spot-welded process of whole gear-box upper box coaming plate.

When carrying out spot-welded to lower box coaming plate, with above-mentioned to carry out spot-welded step to upper box coaming plate be the same, coaming plate compressing member is all utilized.Doing so avoids hand bumping assembling coaming plate and cause the problem that the labour intensity of operator increases, operating so time saving and energy saving, greatly improve operating efficiency.In addition, utilize the mode of hammer that hammering also can be caused to vibrate in prior art, have impact to gear-box fitted position, utilize coaming plate compressing member then to avoid this point.

In addition, described rotation assembly welding frock can also comprise U-shaped side plate clamping element 50, the fishbolt 503 that described U-shaped side plate clamping element 50 comprises U-shaped clamp 501, is welded on the binding nut 502 on described U-shaped clamp 501 one end and matches with described binding nut 502.

When carrying out spot-welded to certain part on coaming plate, U-shaped side plate clamping element 50 is clamped on both sides side plate 5, fishbolt 503 contacts with side side plate 5, U-shaped clamp 501 contacts with other side side plate 5 one end in addition, by tightening fishbolt 503, U-shaped side plate clamping element 50 is clamped on both sides side plate 5.Like this, the fitted position between both sides side plate 5 and coaming plate 6 is further ensured.

In sum, rotation assembly welding frock in the present invention can play to each parts of upper and lower casing the effect that rigidly fixes support, decrease the torsional deformation of gear-box, the torsional deformation that each for gear-box parts postwelding produces is controlled to require and in following process margin range at pattern, do not need to carry out soldering, improve welding quality, reduce the labour intensity of workman, improve production efficiency; Backing plate male part position, location is utilized to carry out welding location to gear-box connecting plate and utilize eckband locating convex block to position welding to gear-box eckband, both can each parts on quick assembling gear-box, the fitted position between each parts can be ensured again, assembly welding is got up more convenient, in addition, when gear-box after utilizing the present invention to carry out assembly welding carries out the demoulding, simple and convenient, the demoulding is easy, be convenient to operative, decrease the operating time of whole assembly welding, further reduce the working strength of workman, improve operating efficiency; Assembly welding method in the present invention adopts rigid fixation to carry out welding to gear-box, can reduce the torsional deformation of gear-box, improve welding quality; Utilize coaming plate compressing member assembling coaming plate to carry out alternative hand bumping assembling coaming plate and complete spot-welded, avoid hand bumping assembling coaming plate and cause the problem that the labour intensity of operator increases, operate time saving and energy saving, greatly improve operating efficiency, also avoid hammering vibrations in addition and the generation of influential problem is out of shape to gear-box fitted position, further increase welding quality.

Above embodiment is used for illustrative purposes only; but not limitation of the present invention; person skilled in the relevant technique without departing from the spirit and scope of the present invention; can also make a variety of changes or convert; therefore all equivalent technical schemes also should belong to protection scope of the present invention, and protection scope of the present invention should be limited by each claim.

Claims

1. one kind can be improved the rotation assembly welding frock of installing locomotive gear cases welding quality, comprise bracing frame and be rotatably connected on the rotary body on support frame as described above, support frame as described above comprises support one and support two, described rotary body is rotatably connected between described support one and support two, it is characterized in that: described rotary body comprises swivel plate, be vertically set on the top box die body on described swivel plate side, be vertically set on the nowel die body on the other side of described swivel plate, the appearance profile size of described top box die body and the gear-box cavity shape overall size of gear-box top box body match, the appearance profile size of described nowel die body and the gear-box cavity shape overall size of gear-box lower box body match, the two ends of described swivel plate are rotatably connected on respectively on described support one and support two and make described rotary body be rotatably connected between described support one and support two,

2. rotation assembly welding frock according to claim 1, it is characterized in that: be also provided with on the side of described swivel plate and locate backing plate, described top box die body is fixedly connected on the backing plate of described upper location, and the backing plate outwardly top box die body in being fixedly connected with it in described upper location forms backing plate male part position, upper location; The other side of described swivel plate is also provided with lower location backing plate, and described nowel die body is fixedly connected on the backing plate of described lower location, and the backing plate outwardly nowel die body in being fixedly connected with it in described lower location forms backing plate male part position, lower location;

3. rotation assembly welding frock according to claim 2, it is characterized in that: the surrounding lateral surface of described upper location backing plate is set to gear-box upper box connecting plate locating surface, and namely the surrounding lateral surface of described upper location backing plate is all on the same vertical plane perpendicular to described swivel plate with the surrounding lateral surface of upper box connecting plate; The surrounding lateral surface of described lower location backing plate is set to gear-box lower box connecting plate locating surface, and namely the surrounding lateral surface of described lower location backing plate is all on the same vertical plane perpendicular to described swivel plate with the surrounding lateral surface of lower box connecting plate.

4. rotation assembly welding frock according to claim 2, it is characterized in that: on a sidepiece of described top box die body and nowel die body, be all welded with eckband locating convex block one and eckband locating convex block two, an other sidepiece of described top box die body and nowel die body is provided with eckband locating convex block three, the two ends of described eckband locating convex block one and eckband locating convex block two are arc, axle suspension bearing box eckband and motor eckband contact the location realizing described axle suspension bearing box eckband and motor eckband on the two ends arc part of described eckband locating convex block one and eckband locating convex block two respectively by engaging, the radius of curvature of the two ends arc part of described eckband locating convex block one and eckband locating convex block two matches with the radius of curvature of the inner side cambered surface of axle suspension bearing box eckband and motor eckband respectively, arc is also arranged in the two ends of described eckband locating convex block three, labyrinth eckband realizes the location of described labyrinth eckband by engaging contact on the two ends arc part of described eckband locating convex block three, the radius of curvature of the radius of curvature of the two ends arc part of described eckband locating convex block three and the inner side cambered surface of labyrinth eckband matches.

5. rotation assembly welding frock according to claim 4, is characterized in that: described upper eckband compressing member comprises the upper eckband compressing member three being arranged on upper eckband compressing member one on described upper box one sidepiece and upper eckband compressing member two and being arranged on the other sidepiece of described upper box; Described upper eckband compressing member one, upper eckband compressing member two and upper eckband compressing member three include one end and are fixedly installed on upper standing screw on described top box die body sidepiece and upper eckband pressing plate, other one end of fixed screw rod through described upper eckband pressing plate and described upper eckband pressing plate can move around along upper standing screw, other one end of the upper standing screw through eckband pressing plate on described is also provided with the upper hold-down nut matched with it;

6. rotation assembly welding frock according to claim 2, is characterized in that: described upper box connecting plate compressing member comprise be fixedly installed on described swivel plate side and the upper clamp nut being positioned at backing plate circumferential periphery place, described upper location, the upper hold-down bolt, the L-type top board that match with described upper clamp nut; The bar portion of described upper hold-down bolt is connected with described upper clamp nut through after a side of L-type top board, with being connected of upper clamp nut, one end of described L-type top board is contacted by described upper hold-down bolt with described swivel plate, its other one end compresses contact on described upper box connecting plate;

7. according to the rotation assembly welding frock in claim 1 to 6 described in any one claim, it is characterized in that: described rotation assembly welding frock also comprises for gear-box upper box coaming plate is compressed with gear-box lower box coaming plate the coaming plate compressing member contacted on described top box die body and nowel die body respectively;

8. one kind uses the assembly welding method carrying out assembly welding according to the rotation assembly welding frock in claim 1 to 7 described in any one claim, it is characterized in that: described assembly welding method adopts rigid fixation to carry out welding to gear-box, namely first a rigidity die body is set in gear-box inner chamber, after a rigidity processing support is set to gear-box, then welding is carried out to complete the assembly welding of whole gear-box to it.

9. assembly welding method according to claim 8, it is characterized in that: described assembly welding method comprises the step of first each for gear-box upper box parts and each parts of gear-box lower box being carried out preliminary welding, again each parts of described gear-box upper box and each parts of gear-box lower box are carried out to the step of welding, finally, described gear-box upper box complete for welding and gear-box lower box are carried out the step of demoulding taking-up;

The step that each parts of described gear-box upper box carry out welding is:

The step that each parts of described gear-box lower box carry out welding is:

10. assembly welding method according to claim 9, is characterized in that: described rotation assembly welding frock also comprises for gear-box upper box coaming plate is compressed with gear-box lower box coaming plate the coaming plate compressing member contacted on described top box die body and nowel die body respectively;