CN221247492U - Assembly welding positioning tool for parts of railway freight car - Google Patents
Assembly welding positioning tool for parts of railway freight car Download PDFInfo
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- CN221247492U CN221247492U CN202322710429.7U CN202322710429U CN221247492U CN 221247492 U CN221247492 U CN 221247492U CN 202322710429 U CN202322710429 U CN 202322710429U CN 221247492 U CN221247492 U CN 221247492U
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- 238000003466 welding Methods 0.000 title claims abstract description 81
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 70
- 239000010959 steel Substances 0.000 claims abstract description 70
- 238000000034 method Methods 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 238000010923 batch production Methods 0.000 abstract description 2
- 238000005096 rolling process Methods 0.000 description 3
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- 238000005299 abrasion Methods 0.000 description 1
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- 230000001788 irregular Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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Abstract
The utility model discloses a positioning tool for assembly welding of railway wagon parts, which comprises a left positioning channel steel, a left positioning block, a round pin, a round sleeve, a positioning plate, a right positioning channel steel and a right positioning block; the positioning plate is made of angle steel, and circular sleeves and positioning channel steel are symmetrically arranged on the left side and the right side of the positioning plate; the round sleeve is positioned in the through hole on the positioning plate, and the round pin penetrates through the round sleeve on the positioning plate to fixedly connect the positioning plate with the railway wagon swing bolster; the left positioning channel steel and the right positioning channel steel are respectively arranged at the left end and the right end of the positioning plate and are bilaterally symmetrical; the inner side of the left positioning channel steel is provided with a left positioning block, and the inner side of the right positioning channel steel is provided with a right positioning block. The positioning tool realizes accurate assembly welding positioning of various key parts of the railway freight car, saves the auxiliary operation time of manual scribing during welding, ensures that the assembly welding size of the key parts of the railway freight car meets the standard requirement, and improves the production efficiency of batch production.
Description
Technical Field
The utility model relates to a positioning tool for assembly welding of parts of a railway wagon, and belongs to the field of positioning of assembly welding of key parts of railway wagons.
Background
Many key spare parts of railway freight car structure is complicated, and the shape is irregular, in production and assembly welding process, in order to satisfy the accurate requirement of welding size, need to carry out the accurate location to it when welding.
In the process of assembling and welding brackets of the railway freight car swing bolster (the bracket comprises a first supporting plate, a second supporting plate, a third supporting plate, a pin roll, a rolling sleeve and an opening pin), the second supporting plate is required to be ensured to be spaced from the longitudinal center line (502+/-3) of the swing bolster, the pin roll is required to be spaced from the transverse center line (200+/-2) of the swing bolster, and the height dimension (5-8) of the upper surface of the rolling sleeve is required to be spaced from the blank surface of the swing bolster; meanwhile, in the process of assembling and welding the bridge hanging seats of the railway wagon swing bolster, the distance (780+/-3) between the centers of the two bridge hanging seats is required to be ensured, and the upper plane of the bridge hanging seat is 90+/-2 mm away from the mounting surface of the swing bolster center plate. In order to ensure the correct positioning size of assembly welding, the transverse center line and the longitudinal center line of the swing bolster are required to be drawn before assembly welding, and the position line is drawn by taking the mounting surface of the swing bolster core disc as a reference surface, so that the manual scribing has deviation, the efficiency is low, and the requirement of mass production cannot be met.
Disclosure of utility model
In order to overcome the defects, the utility model provides a multipurpose assembly welding positioning tool, in particular to an assembly welding positioning tool for railway wagon parts, which is used for ensuring the key positioning dimension of key parts in mass production.
The utility model solves the problem that the precise positioning is required during the assembly and welding production of various parts of the railway freight car, so that operators do not need to manually mark, and the welding positioning of key parts can be simply and rapidly finished by adopting the tool, thereby not only improving the mass production efficiency, but also realizing the precise positioning of welding.
The technical scheme adopted by the utility model is as follows: a positioning tool for assembly welding of railway wagon parts comprises a left positioning channel steel, a left positioning block, a round pin, a round sleeve, a positioning plate, a right positioning channel steel and a right positioning block;
The positioning plate is made of angle steel, one side of the angle steel is of a trapezoid structure, the other side of the angle steel is of a rectangle, and through holes, round sleeves and positioning channel steel are symmetrically formed in the left side and the right side of the positioning plate; the round sleeve is positioned in the through hole on the positioning plate, and the round pin penetrates through the round sleeve on the positioning plate to fixedly connect the positioning plate with the railway wagon swing bolster; the left positioning channel steel and the right positioning channel steel are respectively arranged at the left end and the right end of the positioning plate and are bilaterally symmetrical; a left positioning block is arranged on the inner side of the left positioning channel steel, and a right positioning block is arranged on the inner side of the right positioning channel steel; the left and right positioning channel steels play a role in fixing the process positioning distance between the first supporting plate and the second supporting plate and between the second supporting plate and the third supporting plate, the left and right positioning blocks enable the first supporting plate and the third supporting plate to be firmly attached to the tool, and finally, the supporting plates are fixed on the left and right positioning channel steels through pin shafts. The bottoms of the left positioning channel steel and the right positioning channel steel are close to the positions of the inner side positioning blocks, L-shaped openings are formed for fixing the bridge hanging seats, the welding positioning function is achieved, the distance from the upper plane of the bridge hanging seats to the mounting surface of the swing bolster heart plate is ensured to be 90+/-2 mm, the center distance of the two bridge hanging seats is ensured to be 780+/-3 mm, and the process positioning size meets the requirements. The bridge hanging seat is clamped in the L-shaped opening, and then a worker directly performs spot welding fixation.
Further, two through holes of the positioning plate are arranged at positions 210mm left and right from the center of the positioning plate.
Further, through holes are respectively formed in the middle of the left positioning channel steel and the middle of the right positioning channel steel, so that the weight of the tool is reduced.
Further, the left and right positioning channel steels are welded on the positioning plate.
The assembly welding positioning tool for the parts of the railway wagon provided by the utility model has the following beneficial effects:
(1) The accurate assembly welding positioning of various key parts of the railway wagon is realized, so that a welding operator can simply finish assembly welding work, the auxiliary operation time of manual scribing during welding is saved, the assembly welding size of the key parts of the railway wagon is ensured to meet the standard requirement, and meanwhile, the production efficiency of batch production is improved.
(2) The multipurpose assembly welding positioning tool skillfully optimizes and solves the problem that the assembly welding operation can be performed only by manually scribing in order to ensure the assembly welding positioning size to be accurate due to the complex structure and large difference of the external dimensions of key parts of the railway wagon during the mass assembly welding production operation of the railway wagon; the fixture can realize precise welding and positioning of the swing bolster assembly welding bracket and the swing bolster assembly welding bridge hanging seat of the railway wagon, has simple and convenient use method, avoids the problems of low production efficiency and insufficient precision of manual scribing batch assembly welding, ensures the requirements of 5 key dimensions of the swing bolster assembly welding bracket and the bridge hanging seat, and can realize the batch assembly welding production requirement of the railway wagon.
The utility model is further described below with reference to the drawings and examples.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
Fig. 2 is a front view and a left view of a left channel;
FIG. 3 is a schematic view of a bridge cradle for assembly welding positioning;
FIG. 4 is a schematic view of a pallet in a carrier for assembly welding positioning;
FIG. 5 is a front view of a swing bolster assembled and welded bracket using the tooling;
FIG. 6 is a top view of FIG. 5;
FIG. 7 is a three view of a locating plate;
FIG. 8 is a three view of a positioning channel;
FIG. 9 is a three view of a right locating block and a right locating channel;
FIG. 10 is a three view of a left locating block and a left locating channel;
FIG. 11 is a front and top view of the circular sleeve;
Fig. 12 is a schematic structural view of the round pin.
In the figure: 1 is left positioning channel steel, 2 is left positioning block, 3 is round pin, 4 is round sleeve, 5 is positioning plate, 6 is right positioning channel steel, 7 is right positioning block, 8 is second layer board, 9 is third layer board, 10 is first layer board, 11 is round pin axle, 12 is packing ring, 13 is cotter pin, 14 is opening, 15 is round hole, 16 is span beam hanging seat.
Detailed Description
Examples
As shown in fig. 1-12, a positioning tool for assembly welding of parts of a railway wagon mainly comprises a left positioning channel steel 1, a left positioning block 2, a round pin 3, a round sleeve 4, a positioning plate 5, a right positioning channel steel 6 and a right positioning block 7; the positioning plate is made of angle steel, one side of the angle steel is of a trapezoid structure, the other side of the angle steel is of a rectangle, and through holes, round sleeves and positioning channel steel are symmetrically formed in the left side and the right side of the positioning plate; the round sleeve is positioned in the through hole on the positioning plate, and the round pin penetrates through the round sleeve on the positioning plate to fixedly connect the positioning plate with the railway wagon swing bolster; the left positioning channel steel and the right positioning channel steel are respectively arranged at the left end and the right end of the positioning plate and are bilaterally symmetrical; the inner side of the left positioning channel steel is provided with a left positioning block, and the inner side of the right positioning channel steel is provided with a right positioning block.
Wherein: the locating plate meets the process locating requirement according to the assembly welding or assembling requirement of the railway wagon parts, two holes are drilled at the position 210mm away from the center of the locating plate (the round sleeve is welded in the holes in a spot welding mode, the round sleeve is in smooth transition, the round pin is inserted into the round sleeve to prevent abrasion, the round pin penetrates into the locating plate well), and the locating plate is matched with the round pin and the round sleeve, so that the tool can be fixed on the proper position of the center plate mounting surface of the railway wagon swing bolster, and the function of connecting and fixing the whole tool is achieved.
The front view and the left view of the left positioning channel steel 1 are shown in fig. 2. The left positioning channel steel 1 can ensure the assembly welding positioning size of the second supporting plate 8 and the third supporting plate 9, and the right positioning channel steel can ensure the assembly welding positioning size of the first supporting plate 10 and the second supporting plate 8. According to the process positioning requirement of bracket composition, select 12# channel steel as the positioning channel steel of first layer board, second layer board and third layer board, second layer board, guaranteed 120 mm's assembly welding process size requirement between first layer board, second layer board and third layer board, the second layer board then, in order to be able to further make up the layer board and weld the location on the bolster, mill U type groove on left and right positioning channel steel for second layer board and third layer board or first layer board, second layer board can wear with round pin axle 11 and put on and fix a position, the operating personnel of being convenient for welds. In the assembly welding positioning process, the distance between the first supporting plate and the second supporting plate is required to be 120mm, the distance between the second supporting plate and the third supporting plate is required to be 120mm, and the position relationship between the positioning device and the bracket is shown in fig. 5.
In order to perform assembly welding positioning on the swing bolster by the bridge hanging seat 16, a gap 14 is milled on the left channel steel and the right channel steel, the size of the gap 14 needs to ensure that the distance from the upper plane of the bridge hanging seat to the mounting surface of the center plate of the swing bolster is (90+/-2) mm and the center distance of the two bridge hanging seats is (780+/-3) mm, as shown in fig. 3; simultaneously, in order to facilitate assembly welding operators to conveniently take the tool, the weight of the tool is reduced, and two phi 40 round holes 15 are drilled on the left positioning channel steel and the right positioning channel steel respectively.
When the welding swing bolster bracket is used for forming operation, as shown in fig. 4, the second supporting plate is fixed on the assembly welding positioning tool, meanwhile, the second supporting plate is tightly attached to the left positioning channel steel or the right positioning channel steel, the pin shafts sequentially penetrate through the second supporting plate and the third supporting plate, the fixture and the swing bolster are tightly attached to carry out welding, the distance between the second supporting plate and the longitudinal center line of the swing bolster can be ensured to be (502+/-3) mm, the pin shafts are spaced from the transverse center line (200+/-2) mm, and the height dimension (5-8) of the upper surface of the rolling sleeve from the blank surface of the swing bolster.
Round pin, round sleeve, round pin and round sleeve cooperation play the effect of fixing this assembly welding frock card on the bolster, simultaneously, in the railway freight car batch assembly welding operation in-process, need often use this assembly welding location frock repeatedly, in order to avoid the loss that frequent wearing and tearing brought, need through quenching to increase the wear resistance of this frock fixed connection department.
The left positioning block and the right positioning block reasonably manufacture the shapes of the left positioning block and the right positioning block together with the left positioning channel steel and play a role in fixing and supporting the first supporting plate and the third supporting plate according to the technological requirements of the external dimensions of the first supporting plate and the third supporting plate of the key parts bracket of the railway wagon, and further facilitate assembly welding positioning of assembly welding operators.
In summary, firstly, this multipurpose assembly welding location frock can carry out swing bolster bracket assembly welding location, the swing bolster assembly welding location schematic diagram of railway freight car bogie is as follows, fig. 5 is the front view that the swing bolster used this frock assembly welding bracket to constitute, fig. 6 is the top view that uses this multipurpose location frock assembly welding location, through using this frock can high-speed convenient carry out bracket assembly welding location, the second layer board is apart from swing bolster longitudinal centerline (502 + -3) mm assembly welding location size has been guaranteed, the pin axle is apart from swing bolster transverse centerline (200 + -2) mm assembly welding location size has been guaranteed, simultaneously also guaranteed the high dimension (5 ~ 8) mm of roller sleeve upper surface apart from swing bolster blank face, the long, the not efficient difficult problem of manual scribing operation auxiliary time has been solved. 2. The multipurpose assembly welding positioning tool can carry out assembly welding positioning on the swing bolster bridge hanging seat, skillfully utilizes the notch milled by the left positioning channel steel and the right positioning channel steel to ensure the requirement of the upper plane of the bridge hanging seat on the positioning size (90+/-2) mm from the mounting surface of the swing bolster center plate, and utilizes the welding size of the positioning plate and the left channel steel to ensure the requirement of the central size (780+/-3) mm of the two bridge hanging seats, so that the welding size of the bridge hanging seat is accurate, and the welding efficiency of mass production is greatly improved.
The assembly welding positioning tool for the parts of the railway wagon is used for batch assembly welding production operation.
Claims (7)
1. A group welding location frock of railway freight car spare part, its characterized in that: the device comprises a left positioning channel steel, a left positioning block, a round pin, a round sleeve, a positioning plate, a right positioning channel steel and a right positioning block;
The positioning plate is made of angle steel, one side of the angle steel is of a trapezoid structure, the other side of the angle steel is of a rectangle, and through holes, round sleeves and positioning channel steel are symmetrically formed in the left side and the right side of the positioning plate; the round sleeve is positioned in the through hole on the positioning plate, and the round pin penetrates through the round sleeve on the positioning plate to fixedly connect the positioning plate with the railway wagon swing bolster; the left positioning channel steel and the right positioning channel steel are respectively arranged at the left end and the right end of the positioning plate and are bilaterally symmetrical; the inner side of the left positioning channel steel is provided with a left positioning block, and the inner side of the right positioning channel steel is provided with a right positioning block.
2. The assembly welding positioning tool for railway wagon parts according to claim 1, wherein: the left and right positioning channel steels play a role in fixing the process positioning distance between the first supporting plate and the second supporting plate and between the second supporting plate and the third supporting plate, the left and right positioning blocks enable the first supporting plate and the third supporting plate to be firmly attached to the tool, and the supporting plates are fixed on the left and right positioning channel steels through pin shafts.
3. The assembly welding positioning tool for railway wagon parts according to claim 1, wherein: the bottoms of the left positioning channel steel and the right positioning channel steel are close to the positions of the inner side positioning blocks, and the L-shaped openings are formed and used for fixing the bridge hanging seat to play a role in welding and positioning.
4. The assembly welding positioning fixture for railway wagon parts according to claim 3, wherein: the span beam hanging seat is positioned between the two L-shaped openings, the distance from the upper plane of the span beam hanging seat to the mounting surface of the swing bolster core disc is 90+/-2 mm, the distance from the centers of the two span beam hanging seats is 780+/-3 mm, and the process positioning size meets the requirements.
5. The assembly welding positioning tool for railway wagon parts according to claim 1, wherein: the two through holes of the locating plate are arranged at the position 210mm away from the center of the locating plate.
6. The assembly welding positioning tool for railway wagon parts according to claim 1, wherein: the middle parts of the left positioning channel steel and the right positioning channel steel are respectively provided with a through hole so as to lighten the weight of the tool.
7. The assembly welding positioning tool for railway wagon parts according to claim 1, wherein: the left and right positioning channel steels are welded on the positioning plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322710429.7U CN221247492U (en) | 2023-10-10 | 2023-10-10 | Assembly welding positioning tool for parts of railway freight car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322710429.7U CN221247492U (en) | 2023-10-10 | 2023-10-10 | Assembly welding positioning tool for parts of railway freight car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221247492U true CN221247492U (en) | 2024-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322710429.7U Active CN221247492U (en) | 2023-10-10 | 2023-10-10 | Assembly welding positioning tool for parts of railway freight car |
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| Country | Link |
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| CN (1) | CN221247492U (en) |
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2023
- 2023-10-10 CN CN202322710429.7U patent/CN221247492U/en active Active
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