CN212169439U - Welding jig for fixing bogie gearbox lower frame assembly during welding - Google Patents
Welding jig for fixing bogie gearbox lower frame assembly during welding Download PDFInfo
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- CN212169439U CN212169439U CN202020452328.8U CN202020452328U CN212169439U CN 212169439 U CN212169439 U CN 212169439U CN 202020452328 U CN202020452328 U CN 202020452328U CN 212169439 U CN212169439 U CN 212169439U
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- 238000003466 welding Methods 0.000 title claims abstract description 52
- 238000003825 pressing Methods 0.000 claims description 81
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000011159 matrix material Substances 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 101000623895 Bos taurus Mucin-15 Proteins 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
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- 210000001503 joint Anatomy 0.000 description 1
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Abstract
The utility model discloses a welding matrix for fixing bogie gearbox underframe assembly during welding, which comprises a rectangular bottom plate, a plurality of fixing parts and an anti-shrinkage part, wherein the fixing parts are arranged on the bottom plate in a four-side array arrangement, and comprise a lower box fixing part arranged on the left side of the bottom plate and used for fixing the lower box body of the underframe assembly, a middle cross beam fixing part arranged on the middle cross beam of the underframe assembly at the front part of the bottom plate, an axle-holding ring fixing part arranged on the right side of the bottom plate and used for holding an axle ring II and an end cross beam fixing part arranged on the end cross beam of the underframe assembly at the rear part of the bottom plate; the anti-shrinkage component comprises a left-direction stopping component and a right-direction stopping component which are used for preventing the end cross beam and the middle cross beam from being shortened, and has the advantages of reducing the labor intensity of welders, obviously improving the production efficiency and also greatly improving the welding precision of products.
Description
Technical Field
The utility model relates to a weld child mould, concretely relates to be used for fixed bogie gear case underframe group during welding
A welding forming die of a piece belongs to the field of rail train manufacturing tools.
Background
In the assembly process of the train bogie, the gear box lower box body, and the middle cross beam, the axle-holding ring, the end cross beam and other large components which are positioned on one side of the lower box body and need to be directly or indirectly fixedly connected with the lower box body are involved, the optimal fixed connection mode of the large components and the gear box lower box body is welding, namely the gear box lower box body, the middle cross beam, the axle-holding ring and the end cross beam are welded into a rectangular lower frame assembly, so that the gear box lower box body, the middle cross beam, the axle-holding ring and the end cross beam can be conveniently assembled on the bogie as an. However, in the welding process of the lower frame assembly, because the volume and the weight of the related parts are large, and the size requirement of the welded body is very strict, if a positioning support measure is not adopted in advance, the welding is time-consuming and labor-consuming. In order to solve the problem, some simple positioning support measures have been adopted in the industry, but the problems of high labor intensity and low welding efficiency are still outstanding during welding, and the positioning support is not reasonable enough, so that the dimension and the angle are difficult to control during welding, and particularly, the angle and the dimensional precision of a product are directly influenced due to different degrees of deformation of a lower frame assembly caused by cooling shrinkage after welding.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves is: the lower frame assembly has the problems of high labor intensity, low welding efficiency and low angle and size precision of a welded product in the welding process.
To the above problem, the utility model provides a technical scheme is:
a welding jig for fixing a bogie gear box lower frame assembly during welding comprises a rectangular bottom plate, a plurality of fixing parts and an anti-shrinkage part, wherein the fixing parts are arranged on the bottom plate in a square surrounding manner; the anti-shrinkage component comprises a left-direction stopping component and a right-direction stopping component which prevent the end part cross beam and the middle cross beam from being shortened, the right-direction stopping component is arranged on the right side of the lower box body fixing component and abuts against the first shaft embracing ring rightwards, and the left-direction stopping component is arranged on the left side of the second shaft embracing ring fixing component and abuts against the second shaft embracing ring leftwards.
Furthermore, the lower box body fixing part, the shaft-holding ring fixing part and the end part cross beam fixing part are press-fixing parts; the middle cross beam fixing part is a hanging and pressing part;
a first pressing part and a second pressing part which press vertical flange edges at two sides of the rear part of the lower box body are arranged at the rear part of the left side of the bottom plate side by side; and a third press fixing component and a fourth press fixing component which are used for pressing the transverse flange edges on the two sides of the front part of the lower box body are arranged in parallel on the front part of the left side of the bottom plate. A fifth pressing part for pressing the end cross beam downwards is arranged at the rear part of the bottom plate;
a pressing and fixing part six and a pressing and fixing part seven which respectively press the front pressing and fixing part and the rear pressing and fixing part of the shaft holding ring II downwards are arranged on the right side of the bottom plate;
the front part of the bottom plate is provided with a first pressure hanging part, a second pressure hanging part and a third pressure hanging part which are used for fixedly installing a first brake hanging seat, a second brake hanging seat and a third brake hanging seat on the middle cross beam, and the middle cross beam is fixed by fixing the first brake hanging seat, the second brake hanging seat and the third brake hanging seat.
Furthermore, an L-shaped positioning frame for positioning the end cross beam in the lower frame assembly is arranged on a bottom plate behind the fifth pressing part, the positioning frame comprises a cushion side which is horizontally arranged from front to back and a forward stop which is vertically connected to the rear end of the cushion side, and the fifth pressing part presses the end cross beam on the cushion side of the positioning frame.
Furthermore, a positioning pile for positioning the middle cross beam in the lower frame assembly is arranged at the right front corner of the bottom plate, and the positioning pile is provided with a positioning bolt which can be inserted into a connecting hole in a connecting foot of the middle cross beam.
Furthermore, the pressing and fixing part comprises a pressing and fixing bolt, a pressing and fixing nut, a pressing block and an end cushion block, the lower end of the pressing and fixing bolt is fixed on the bottom plate, the upper end of the pressing and fixing bolt penetrates through a hole in the middle of the pressing block and extends out of the upper portion of the pressing block, the pressing and fixing nut is sleeved at the upper end of the pressing and fixing bolt, the end cushion block is arranged at one end of the pressing block, and the other end of the pressing block downwards presses the pressed part by rotating the pressing.
Furthermore, the hanging and pressing component comprises a support plate, a hanging bolt with one end installed at the upper end of the support plate and a pressing and hanging nut sleeved at the other end of the hanging bolt, and the lower end of the support plate is fixed on the bottom plate.
Furthermore, the right-direction stopping component comprises a first semicircular plate, a first stopping sheet with a bolt hole in the center, a first stopping bolt and a first stopping nut, the diameter tangent chord surface of the first semicircular plate is fixed on the bottom plate, the bolt hole is formed in the first semicircular plate close to the edge of the arc surface, the first stopping sheet is located on the right side of the first semicircular plate, the threaded end of the first stopping bolt penetrates through the stopping sheet and penetrates through the first semicircular plate from the right side again, and then the left side of the first semicircular plate is sleeved with the first stopping nut; the left-hand stopping component comprises a second semicircular plate, a second stopping piece, a second stopping bolt and a second stopping nut, wherein the center of the second semicircular plate is provided with a bolt hole, the diameter tangent plane of the second semicircular plate is fixed on the bottom plate, the bolt hole is formed in the second semicircular plate close to the edge of the arc surface, the second stopping piece is located on the left side of the second semicircular plate, the threaded end of the second stopping bolt penetrates through the second stopping piece and then penetrates through the second semicircular plate from the right side, and the left side of the second semicircular plate is sleeved with the second stopping nut.
Furthermore, a first reinforcing frame and a second reinforcing frame are respectively arranged on the left side of the first semicircular plate of the right-direction stopping component and the right side of the second semicircular plate of the left-direction stopping component.
Furthermore, the right-hand stopping component is provided with a first three stopping piece close to the edge of the arc surface on the right side of the first semicircular plate in equal arc length, and the left-hand stopping component is provided with a second three stopping piece close to the edge of the arc surface on the left side of the second semicircular plate in equal arc length.
Further, the welding mould also comprises an ejection component for demoulding, and the ejection component comprises an ejection frame; the ejection frame comprises a base plate, a first upward plate, a second upward plate, a first ejection screw rod and a first ejection screw rod, wherein the lower end of the first upward plate and the lower end of the second upward plate are respectively fixedly connected with two ends of the base plate which is horizontally arranged to form a trapezoid-shaped groove structure with a wide upper part and a narrow lower part; the first elevation plate and the second elevation plate are respectively provided with a first threaded hole and a second threaded hole; the lower ends of the first ejection screw rod and the first ejection screw rod are respectively provided with a hexagonal screw handle, the upper ends of the first ejection screw rod and the first ejection screw rod are respectively screwed into the first threaded hole and the second threaded hole in an obliquely upward posture from the outside of the trapezoidal groove structure to the inside of the trapezoidal groove structure, the screw handles are continuously rotated, and the first ejection screw rod can obliquely extend upwards from the inside of the trapezoidal groove structure.
The utility model has the advantages that:
1. the labor intensity of welders is reduced, and the production efficiency is obviously improved.
2. The welding precision of the product is greatly improved.
3. The product has reasonable and simple structure and lower manufacturing cost.
Drawings
Fig. 1 is a perspective view of a lower frame assembly requiring positioning and fixing of the product of the present invention;
FIG. 2 is a perspective view of a tire mold for fixing a lower frame assembly of a bogie gearbox during welding, wherein the arrow in the two directions indicates that A is in the rear direction, B is in the front direction, C is in the left direction and D is in the right direction;
FIG. 3 is a schematic perspective view of a lower frame assembly of a bogie gearbox being fixed to a welding jig during welding;
FIG. 4 is a schematic view of the press-fit components;
FIG. 5 is a partial schematic view of FIG. 3, showing primarily the hold-down member;
FIG. 6 is a schematic view of a positioning frame;
FIG. 7 is a fragmentary schematic view of FIG. 2, showing primarily the composition and relative positions of the left and right stop members;
FIG. 8 is a perspective view of a spud;
fig. 9 is a perspective view of the ejector frame.
In the figure: 1. a base plate; 2. a left-hand stop member; 3. a right-hand stop member; 4. a first pressing component; 5. a second press-fixing component; 6. a third press-fixing component; 7. a fourth press-fixing component; 8. a fifth press-fixing component; 9. pressing and fixing the component six; 10. a press-fixing component seven; 11. a hanging and pressing component I; 12. a hanging and pressing component II; 13. a hanging and pressing component III; 14. a positioning frame; 15. positioning the pile; 16. a first reinforcing frame; 17. a second reinforcing frame; 18. an ejection frame; 19. positioning the bolt; 20. pressing and fixing the bolt; 21. pressing and fixing the screw cap; 22. briquetting; 23. an end pad block; 24. a support plate; 25. connecting and hanging bolts; 26. pressing and hanging a screw cap; 27. a first semicircular plate; 28. a first stop piece; 31. a first stop bolt; 32. a first stop nut; 33. a second semicircular plate; 34. a stopping sheet II; 35. a second stop bolt; 36. a second stop nut; 37. a cushion is laid; 38. a forward stop; 39. a substrate; 40. a first elevation plate; 41. a second elevation plate; 42. ejecting a first screw rod; 43. ejecting a second screw rod; 44. ejecting a screw rod; 45. a lower box body; 46. a middle cross beam; 47. a shaft encircling ring II; 48. an end cross member; 49. a vertical flange edge; 50. a transverse flange edge; 51. a shaft hoop I is embraced; 52. a brake hanging seat I; 53. a brake hanging seat II; 54. a brake hanging seat III; 55. a first connecting and hanging hole; 56. connecting a second hanging hole; 57. a third connecting hole; 58. a connecting pin; 59. connecting holes; 60. forward pressing and fixing; 61. and then the pressing and fixing are carried out.
Detailed Description
For the convenience of understanding the present invention, the double-headed arrow in the drawings indicates a direction a to the rear as referred to herein, a direction B to the front as referred to herein, a direction C to the left as referred to herein, and a direction D to the right as referred to herein. The front, back, left and right are only used for expressing the orientation shown in the drawings, and are only used for clearly explaining the invention, and are not necessarily the position and the direction of the product installation in the practical application.
For the understanding of the present invention, the lower frame assembly needing to be clamped and fixed is described as follows:
as shown in figure 1, the lower frame assembly in the train bogie, which is a device needing fixing support of the utility model, comprises a lower box body 45 of the gear box, a middle cross beam 46, a second axle suspension ring 47 and an end cross beam 48, wherein the lower frame assembly is in a reversed posture. The above-mentioned component parts are all the independent parts that different production lines produced, and for the bogie assembly and improve the holistic performance of bogie, above-mentioned part needs the lower frame subassembly that welds as an organic whole. In order to realize the best welding effect, when welding, need the utility model discloses the product implements fixed restriction with relevant position or relevant device in the above-mentioned part, and they are: a vertical flange edge 49 and a transverse flange edge 50 of the lower box body 45, and a shaft holding ring I51 on the lower box body; the brake hanging seat I52, the brake hanging seat II 53 and the brake hanging seat III 54 are fixedly connected with the middle cross beam, and the brake hanging seat I52, the brake hanging seat II 53 and the brake hanging seat III 54 are positioned at the upper ends of a connecting hole I55, a connecting hole II 56, a connecting hole III 57, a connecting pin 58 and a connecting hole 59 on the connecting pin 58; a second shaft embracing ring 47, a second shaft embracing ring 47 front pressing and fixing position 60, a second shaft embracing ring 47 rear pressing and fixing position 61 and an end cross beam 48.
The invention is described in one step with reference to the following examples and figures:
as shown in the figures 1-4 of the drawings,
a welding jig for fixing a bogie gear box lower frame assembly during welding comprises a rectangular bottom plate 1, a plurality of fixing parts and an anti-shrinkage part, wherein the fixing parts and the anti-shrinkage part are arranged on the bottom plate 1 in a square surrounding manner, and the welding jig comprises a lower box fixing part, a middle cross beam fixing part, an axle holding ring fixing part and an end cross beam fixing part, the lower box fixing part is arranged on the left side of the bottom plate 1 and is used for fixing a lower frame assembly lower box body 45, the middle cross beam fixing part is arranged on the front portion of the bottom plate 1 and is used for fixing a middle cross beam 46 of the lower frame assembly, the axle holding ring fixing part is arranged on the right side of the bottom plate 1 and is used for fixing a; the anti-shrinkage component comprises a left-direction stopping component 2 and a right-direction stopping component 3 which are used for preventing the end part cross beam 48 and the middle cross beam 46 from being shortened, the right-direction stopping component 3 is arranged on the right side of the lower box body fixing component and is abutted against a shaft embracing ring I51, and the left-direction stopping component 2 is arranged on the left side of a shaft embracing ring II fixing component and is abutted against a shaft embracing ring II 47. By the aid of the fixing parts, welding objects with heavy weight and large volume can be positioned and fixed without manual butt joint; through the shrink-proof part, the cooling shrinkage after the welding of the welding body can be controlled to the utmost extent. Therefore, the labor intensity during welding is obviously reduced, the welding efficiency is obviously improved, and meanwhile, the integral precision of the welded lower frame assembly is ensured.
The following is a further improvement made by the present invention.
As shown in fig. 1 and 2, the lower box body fixing part, the axle suspension ring fixing part and the end cross beam fixing part are all press-fixing parts; the middle cross beam fixing part is a hanging and pressing part;
a first pressing part 4 and a second pressing part 5 which press vertical flange edges 49 at two sides of the rear part of the lower box body are arranged at the rear part of the left side of the bottom plate 1 side by side; and a third press fixing component 6 and a fourth press fixing component 7 which are used for pressing the transverse flange edges 50 at the two sides of the front part of the lower box body 45 are arranged at the front part of the left side of the bottom plate 1 side by side. This secures the lower case 45 to the base plate 1.
A fifth pressing and fixing component 8 which presses the end cross beam 48 downwards is arranged at the rear part of the bottom plate 1;
a front pressing and fixing part six 9 and a pressing and fixing part seven 10 which respectively press the shaft clasping ring two 47 and the rear pressing and fixing part 61 downwards are arranged on the right side of the bottom plate 1;
the front part of the bottom plate 1 is provided with a first hanging part 11, a second hanging part 12 and a third hanging part 13 which are used for fixedly installing a first brake hanging seat 52, a second brake hanging seat 53 and a third brake hanging seat 54 on the middle cross beam 46, and the middle cross beam 46 is fixed by fixing the first brake hanging seat 52, the second brake hanging seat 53 and the third brake hanging seat 54.
As shown in fig. 1, 2 and 6, an L-shaped positioning frame 14 for positioning an end cross beam 48 in the lower frame assembly is arranged on the bottom plate 1 behind the press-fixing part five 8, the positioning frame 14 comprises a cushion square 37 which is horizontally arranged from front to back and a forward stop 38 which is vertically connected to the rear end of the cushion square 37, and the press-fixing part five 8 presses the end cross beam 48 on the cushion square 37 of the positioning frame 14. This is because the welding position of the end beam 48 is high, and the end beam 48 needs to be raised to meet the requirement when fixing.
As shown in fig. 1 and 3, a positioning pile 15 for positioning the middle cross beam 46 of the lower frame assembly is provided at the right front corner of the bottom plate 1, and the positioning pile 15 is provided with a positioning bolt 19 which can be inserted into a connecting hole 59 of the middle cross beam connecting leg 58, thereby realizing the transverse positioning of the middle cross beam 46.
As shown in fig. 2 and 4, the press-fixing member includes a press-fixing bolt 20, a press-fixing nut 21, a pressing block 22 and an end pad 23, the lower end of the press-fixing bolt 20 is fixed on the bottom plate 1, the upper end of the press-fixing bolt passes through a hole in the middle of the pressing block 22 and extends out of the upper portion of the pressing block, the press-fixing nut 21 is sleeved on the upper end of the press-fixing bolt 20, the end pad 23 is padded at one end of the pressing block, and the other end of the pressing block 22 presses the pressed member downward by rotating the.
The press-fixing component is a first press-fixing component 4, a second press-fixing component 5, a third press-fixing component 6, a fourth press-fixing component 7, a fifth press-fixing component 8, a sixth press-fixing component 9 or a seventh press-fixing component 10.
As shown in fig. 1, 2 and 5, the hanging and pressing component comprises a support plate 24, a connecting bolt 25 with one end mounted on the upper end of the support plate 24, and a hanging nut 26 sleeved on the other end of the connecting bolt 25, wherein the lower end of the support plate 24 is fixed on the bottom plate 1. The first brake hanging seat 52, the second brake hanging seat 53 and the first connecting hanging hole 55, the second connecting hanging hole 56 and the third connecting hanging hole 57 at the upper end of the third brake hanging seat 54 are sleeved on the connecting hanging bolt 25.
The hanging and pressing component is a first hanging and pressing component 11, a second hanging and pressing component 12 or a third hanging and pressing component 13.
1. 7, the right-direction stopping component 3 comprises a first semicircular plate 27, a first stopping sheet 28 with a bolt hole in the center, a first stopping bolt 31 and a first stopping nut 32, the diameter tangent chord surface of the first semicircular plate 27 is fixed on the bottom plate 1, the bolt hole is formed in the first semicircular plate 27 close to the edge of the arc surface, the first stopping sheet 28 is located on the right side of the first semicircular plate 27, the threaded end of the first stopping bolt 31 penetrates through the first stopping sheet 28 and then penetrates through the first semicircular plate 27 from the right side, and then the left side of the first semicircular plate 27 is sleeved with the first stopping nut 32; the leftward stopping component 2 comprises a second semicircular plate 33, a second stopping sheet 34 with a bolt hole in the center, a second stopping bolt 35 and a second stopping nut 36, the diameter tangent chord surface of the second semicircular plate 33 is fixed on the bottom plate 1, the bolt hole is formed in the second semicircular plate 33 close to the edge of the arc surface, the second stopping sheet 34 is located on the left side of the second semicircular plate 33, the threaded end of the second stopping bolt 35 penetrates through the second stopping sheet 34 and then penetrates through the second semicircular plate 33 from the right side, and the left side of the second semicircular plate 33 is sleeved with the second stopping nut 36. When the shaft holding ring is applied, the inner arc surfaces of the shaft holding ring I51 and the shaft holding ring II 47 in the lower frame assembly are respectively pressed on the outer arc surfaces of the semi-circular plate I27 and the semi-circular plate II 33; the first stop piece 28 and the second stop piece 34 respectively abut against the side surface of the first shaft embracing ring 51 and the left side surface of the second shaft embracing ring 47, so that the end cross beam 48 and the middle cross beam 46 are actually resisted to be shortened during postweld cooling.
A first reinforcing frame 16 and a second reinforcing frame 17 are respectively arranged on the left side of the first semicircular plate 27 of the right-direction stopping component and the right side of the second semicircular plate 33 of the left-direction stopping component 2. Since the contraction force of the end cross member 48 and the middle cross member 46 after welding is very strong, the first reinforcing frame 16 and the second reinforcing frame 17 are used for supporting the first semicircular plate 27 and the second semicircular plate 33.
The right-hand stopping component 3 is provided with a first three stopping piece 28 close to the equal arc length of the edge of the arc surface on the right side of the first semicircular plate 27, and the left-hand stopping component 2 is provided with a second three stopping piece 34 close to the equal arc length of the edge of the arc surface on the left side of the second semicircular plate 33. The arrangement is characterized in that the stopping force is distributed more reasonably.
As shown in fig. 1, 2 and 9, the lower frame assembly which can be easily mounted and dismounted previously becomes difficult to release from the welding jig after cooling by welding due to the cooling shrinkage of the weldment, which causes great trouble in demolding during hoisting. Therefore, the tire-welding mold also has an ejection member for demolding, which includes an ejection frame 18; the ejection frame 18 comprises a base plate 39, a first upward plate 40, a second upward plate 41, a first ejection screw rod 42 and a first ejection screw rod 42, wherein the lower end of the first upward plate 40 and the lower end of the second upward plate 41 are respectively fixedly connected with two ends of the horizontally arranged base plate 39 to form a trapezoid groove structure with a wide upper part and a narrow lower part; the first elevation plate 40 and the second elevation plate 41 are respectively provided with a first threaded hole and a second threaded hole; the lower ends of the first ejection screw rod 42 and the first ejection screw rod 42 are respectively provided with a hexagonal screw handle, the upper ends of the first ejection screw rod 42 and the first ejection screw rod 42 are respectively screwed into the first threaded hole and the second threaded hole in an obliquely upward posture from the outside of the trapezoidal groove structure to the inside of the trapezoidal groove structure, the screw handles are continuously rotated, and the first ejection screw rod 42 can obliquely extend upwards from the inside of the trapezoidal groove structure. The ejector rack 18 is a cylindrical portion for ejecting the middle cross member 46 from the bottom to the top below the middle cross member 46. In addition to the above-mentioned ejection frame 18, the tire mold is further provided with a plurality of ejection screws 44 directly fixed to the upper end of the base plate 1.
The front, back, left and right sides are only used to express the orientation shown in the drawings, and the invention is only for clearer explanation. And is not necessarily the position and orientation of installation in actual practice.
The above embodiments are only for the purpose of more clearly describing the invention and should not be considered as limiting the scope of protection covered by the invention, any modification of the equivalent should be considered as falling within the scope of protection covered by the invention.
Claims (10)
1. The utility model provides a be used for fixed bogie gear box underframe assembly's welding child mould during welding which characterized in that: the anti-shrink fixing device comprises a bottom plate (1), a plurality of fixing parts and an anti-shrink part, wherein the fixing parts are arranged on the bottom plate (1) in a square surrounding manner, and the fixing device comprises a lower box fixing part, a middle cross beam fixing part, a shaft embracing ring fixing part and an end cross beam fixing part, the lower box fixing part is arranged on the left side of the bottom plate (1) and is used for fixing a lower frame assembly lower box body (45), the middle cross beam fixing part is arranged at the front part of the bottom plate (1) and is used for fixing a lower frame assembly middle cross beam (46), the shaft embracing ring fixing part is arranged on the right side of the bottom plate (1) and is used for fixing a lower frame assembly; the anti-shrinkage component comprises a left-direction stopping component (2) and a right-direction stopping component (3) which are used for preventing the end part cross beam (48) and the middle cross beam (46) from being shortened, the right-direction stopping component (3) is arranged on the right side of the lower box body fixing component and is abutted against a first shaft embracing ring (51) rightwards, and the left-direction stopping component (2) is arranged on the left side of a second shaft embracing ring fixing component and is abutted against a second shaft embracing ring (47) leftwards.
2. The tire mold for fixing a bogie gearbox lower frame assembly during welding according to claim 1, wherein: the lower box body fixing part, the shaft-clasping ring fixing part and the end part cross beam fixing part are press-fixing parts; the middle cross beam fixing part is a hanging and pressing part;
a first pressing part (4) and a second pressing part (5) which press vertical flange edges (49) on two sides of the rear part of the lower box body are arranged on the rear part of the left side of the bottom plate (1) side by side; a third press-fixing component (6) and a fourth press-fixing component (7) which press the transverse flange edges (50) at the two sides of the front part of the lower box body (45) are arranged in parallel at the front part of the left side of the bottom plate (1); a fifth pressing part (8) which presses the end cross beam (48) downwards is arranged at the rear part of the bottom plate (1);
a front pressing and fixing part six (9) and a rear pressing and fixing part seven (10) which respectively press and fix the shaft clasping ring two (47) downwards and press and fix the shaft clasping ring two (47) downwards are arranged on the right side of the bottom plate (1);
the front part of the bottom plate (1) is provided with a first brake hanging seat (52), a second brake hanging seat (53) and a third brake hanging seat (54), a first hanging and pressing part (11), a second hanging and pressing part (12) and a third hanging and pressing part (13) which are fixedly arranged on the middle cross beam (46), and the middle cross beam (46) is fixed by fixing the first brake hanging seat (52), the second brake hanging seat (53) and the third brake hanging seat (54).
3. The tire mold for fixing a bogie gearbox lower frame assembly during welding according to claim 2, wherein: an L-shaped positioning frame (14) for positioning an end cross beam (48) in the lower frame assembly is arranged on the bottom plate (1) behind the press-fixing part five (8), the positioning frame (14) comprises a cushion square (37) which is horizontally arranged from front to back and a forward stop (38) which is vertically connected to the rear end of the cushion square (37), and the press-fixing part five (8) presses the end cross beam (48) on the cushion square (37) of the positioning frame (14).
4. The tire mold for fixing a bogie gearbox lower frame assembly during welding according to claim 2, wherein: a positioning pile (15) for positioning a middle cross beam (46) in the lower frame assembly is arranged at the right front corner of the bottom plate (1), and the positioning pile (15) is provided with a positioning bolt (19) capable of being inserted into a connecting hole (59) in a connecting foot (58) of the middle cross beam.
5. The tire mold for fixing a bogie gearbox lower frame assembly during welding according to claim 2, wherein: the pressing part comprises a pressing bolt (20), a pressing nut (21), a pressing block (22) and an end cushion block (23), the lower end of the pressing bolt (20) is fixed on the bottom plate (1), the upper end of the pressing bolt penetrates through a hole in the middle of the pressing block (22) to extend out of the upper portion of the pressing block, the pressing nut (21) is sleeved at the upper end of the pressing bolt (20), the end cushion block (23) is arranged at one end of the pressing block, and the pressing nut (21) is rotated to enable the other end of the pressing block (22) to downwards press the pressed part.
6. The tire mold for fixing a bogie gearbox lower frame assembly during welding according to claim 2, wherein: the hanging and pressing component comprises a support plate (24), a hanging bolt (25) with one end installed at the upper end of the support plate (24) and a hanging pressing nut (26) sleeved at the other end of the hanging bolt (25), and the lower end of the support plate (24) is fixed on the bottom plate (1).
7. The tire mold for fixing a bogie gearbox lower frame assembly during welding according to claim 1, wherein: the right-direction stopping component (3) comprises a first semicircular plate (27), a first stopping sheet (28) with a bolt hole in the center, a first stopping bolt (31) and a first stopping nut (32), the diameter chord cutting surface of the first semicircular plate (27) is fixed on the bottom plate (1), the bolt hole is formed in the first semicircular plate (27) close to the edge of the arc surface, the first stopping sheet (28) is located on the right side of the first semicircular plate (27), the threaded end of the first stopping bolt (31) penetrates through the first stopping sheet (28) and then penetrates through the first semicircular plate (27) from the right side, and then the left side of the first semicircular plate (27) is sleeved with the first stopping nut (32); the leftward backstop part (2) comprises a second semicircular plate (33), a second backstop piece (34) with a bolt hole in the center, a second backstop bolt (35) and a second backstop nut (36), the diameter chord cutting surface of the second semicircular plate (33) is fixed on the bottom plate (1), the bolt hole is formed in the second semicircular plate (33) close to the edge of the arc surface, the second backstop piece (34) is located on the left side of the second semicircular plate (33), the threaded end of the second backstop bolt (35) penetrates through the second backstop piece (34) and then penetrates through the second semicircular plate (33) from the right side, and the left side of the second semicircular plate (33) is sleeved with the second backstop nut (36).
8. The tire mold for fixing a bogie gearbox lower frame assembly during welding according to claim 7, wherein: a first reinforcing frame (16) and a second reinforcing frame (17) are respectively arranged on the left side of the first semicircular plate (27) of the right-direction stopping component and the right side of the second semicircular plate (33) of the left-direction stopping component (2).
9. The tire mold for fixing a bogie gearbox lower frame assembly during welding according to claim 8, wherein: the right-hand stopping component (3) is provided with a first three stopping piece (28) close to the equal arc length of the edge of the arc surface on the right side of the first semicircular plate (27), and the left-hand stopping component (2) is provided with a second three stopping piece (34) close to the equal arc length of the edge of the arc surface on the left side of the second semicircular plate (33).
10. The tire mold for fixing a bogie gearbox lower frame assembly during welding according to claim 1, wherein: the welding tire mold is also provided with an ejection component for demolding, and the ejection component comprises an ejection frame (18); the ejection frame comprises a base plate (39), a first upward plate (40), a second upward plate (41), a first ejection screw rod (42) and a first ejection screw rod (42), wherein the lower end of the first upward plate (40) and the lower end of the second upward plate (41) are respectively fixedly connected with two ends of the base plate (39) which is horizontally arranged to form a trapezoid-shaped groove structure with a wide upper part and a narrow lower part; the first elevation plate (40) and the second elevation plate (41) are respectively provided with a first threaded hole and a second threaded hole; the lower ends of the first ejection screw rod (42) and the first ejection screw rod (42) are respectively provided with a hexagonal screw handle, the upper ends of the first ejection screw rod (42) and the first ejection screw rod (42) are respectively screwed into the first threaded hole and the second threaded hole in an obliquely upward posture from the outside of the trapezoidal groove structure to the inside of the trapezoidal groove structure, the screw handles are continuously rotated, and the first ejection screw rod (42) can obliquely extend upwards from the inside of the trapezoidal groove structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020452328.8U CN212169439U (en) | 2020-04-01 | 2020-04-01 | Welding jig for fixing bogie gearbox lower frame assembly during welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020452328.8U CN212169439U (en) | 2020-04-01 | 2020-04-01 | Welding jig for fixing bogie gearbox lower frame assembly during welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212169439U true CN212169439U (en) | 2020-12-18 |
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ID=73771446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020452328.8U Active CN212169439U (en) | 2020-04-01 | 2020-04-01 | Welding jig for fixing bogie gearbox lower frame assembly during welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212169439U (en) |
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2020
- 2020-04-01 CN CN202020452328.8U patent/CN212169439U/en active Active
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Address after: No.92 Xiangshan Road, Tianyuan District, Zhuzhou City, Hunan Province Patentee after: Hunan Tianyi Rail Industry Co.,Ltd. Country or region after: China Address before: No.92 Xiangshan Road, Tianyuan District, Zhuzhou City, Hunan Province Patentee before: TIANYI INDUSTRY CO., LTD. HUNAN RAILWAY PROFESSIONAL TECHNOLOGY College Country or region before: China |
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