CN113814671A - Trailer traction saddle welding process method - Google Patents
Trailer traction saddle welding process method Download PDFInfo
- Publication number
- CN113814671A CN113814671A CN202111256352.XA CN202111256352A CN113814671A CN 113814671 A CN113814671 A CN 113814671A CN 202111256352 A CN202111256352 A CN 202111256352A CN 113814671 A CN113814671 A CN 113814671A
- Authority
- CN
- China
- Prior art keywords
- welding
- reinforcing rib
- transverse reinforcing
- seam
- joint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000003466 welding Methods 0.000 title claims abstract description 149
- 238000000034 method Methods 0.000 title claims abstract description 51
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 83
- 238000005452 bending Methods 0.000 claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 claims abstract description 9
- 238000005520 cutting process Methods 0.000 claims abstract description 8
- 238000000137 annealing Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 abstract description 3
- 238000012797 qualification Methods 0.000 abstract description 3
- 101100334009 Caenorhabditis elegans rib-2 gene Proteins 0.000 description 8
- 238000012546 transfer Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D53/00—Tractor-trailer combinations; Road trains
- B62D53/04—Tractor-trailer combinations; Road trains comprising a vehicle carrying an essential part of the other vehicle's load by having supporting means for the front or rear part of the other vehicle
- B62D53/08—Fifth wheel traction couplings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
A trailer traction saddle welding process method relates to the technical field of welding. The welding method aims to solve the problems that after the existing welding method is adopted to weld the trailer traction saddle, the sliding plate of the trailer traction saddle is seriously deformed, and when blanking is carried out in the initial stage, manual operation is adopted, and errors exist in the length and the width of a blank, so that the qualified rate of finished products is low. A numerical control cutting machine is adopted for blanking, and a plate bending machine is utilized for bending the cut plate to manufacture three reinforcing ribs, so that the size and the quality of a reinforcing groove are ensured, the assembly clearance of a welding joint in the subsequent assembly process is ensured to be uniform, and the welding deformation is reduced; secondly, leftover materials are used for blanking and bending, so that the production cost of the product is reduced, and the overall quality of the trailer is also reduced; and adopt this kind of welding mode, prevent the phenomenon that the slide seriously warp after the welding operation to improve the qualification rate of finished product, improve work efficiency. The invention is suitable for the technical field of welding.
Description
Technical Field
The invention relates to the technical field of welding, in particular to a welding process method for a trailer traction saddle.
Background
The lightweight is the development trend of the domestic trailer industry, in order to save cost, reduce the weight of the whole trailer and improve the market competitiveness of products, the sliding plate of the traction saddle of the trailer is changed from the original 18mm to the current 12mm under the condition of design permission, thus reducing the total mass and cost of the whole trailer to a certain extent, but having new problems, the thinner sliding plate has reduced rigidity and larger deformation after the traction saddle is assembled and welded; the deformation is mainly caused by the following aspects that firstly, the welding deformation is increased due to the reduction of the design thickness of the sliding plate; secondly, the reinforcing groove of the traction saddle is standard channel steel and needs to be manually cut into a needed shape, large errors exist in manual operation, the welding transfer gap is large, and welding deformation is also influenced; finally, the traction saddle cannot be subjected to an overall stress relief heat treatment after the traction pin 5 is welded, so as not to reduce the hardness of the traction pin 5.
In conclusion, after the existing welding method is adopted to weld the trailer traction saddle, the sliding plate of the trailer traction saddle is seriously deformed, and when the blank is fed in the initial stage, manual operation is adopted, so that errors exist in the length and the width of the blank, the welding transfer clearance is large, the welding deformation is also influenced, and the problem of low qualified rate of finished products is caused.
Disclosure of Invention
The invention provides a welding process method for a trailer traction saddle, which aims to solve the problems that after the existing welding method is adopted to weld the trailer traction saddle, a sliding plate of the trailer traction saddle is seriously deformed, manual operation is adopted during blanking in the initial stage, errors exist in the length and the width of a blank, a welding transfer gap is large, welding deformation is influenced, and the qualified rate of finished products is low.
The invention discloses a welding process method for a trailer traction saddle, which comprises the following specific steps:
the method comprises the following steps that firstly, a numerical control cutting machine is used for blanking, and a plate bending machine is used for bending a cut plate to manufacture a longitudinal reinforcing rib, a first transverse reinforcing rib and a second transverse reinforcing rib;
welding the longitudinal reinforcing rib, the first transverse reinforcing rib and the second transverse reinforcing rib which are processed in the step one to the lower surface of the sliding plate, welding the first transverse reinforcing rib on one side of the longitudinal reinforcing rib, welding the second transverse reinforcing rib on the other side of the longitudinal reinforcing rib, and arranging the axes of the first transverse reinforcing rib and the second transverse reinforcing rib in a collinear manner;
thirdly, annealing the part after welding;
further, the specific welding method of the second step is as follows:
firstly, welding the welding seams between the two sides of the longitudinal reinforcing rib and the upper surface of the sliding plate, simultaneously welding by two welders from the middle to the two ends, stopping welding after the length of the welding seam is 30mm, and then welding the welding seams at the connecting part of the longitudinal reinforcing rib and the traction pin, namely welding from the middle to the two ends, wherein the length of the welding seam is 30 mm; then assembling a first transverse reinforcing rib and a second transverse reinforcing rib, welding a welding seam at the joint of one side of the first transverse reinforcing rib and the upper surface of the sliding plate from the middle to two ends by two welders, welding a welding seam at the joint of one side of the second transverse reinforcing rib and the upper surface of the sliding plate, stopping after the length of the welding seam reaches 30mm, welding a welding seam at the joint of the other side of the first transverse reinforcing rib and the upper surface of the sliding plate, welding a welding seam at the joint of the other side of the second transverse reinforcing rib and the upper surface of the sliding plate again, wherein the length of the welding seam reaches 30 mm; finally, welding a welding seam at the joint of the first transverse reinforcing rib and the longitudinal reinforcing rib, and then welding a welding seam at the joint of the second transverse reinforcing rib and the longitudinal reinforcing rib, thereby completing the welding operation;
further, the welding rod adopted in the second step is a J507 welding rod, and the diameter of the welding rod is 4 mm;
further, the welding current of the welding in the second step is 160-180A, the voltage is 24-26V, and the welding speed is 14-16 cm/min;
further, the annealing temperature of the third step is 620 ℃, and the temperature is kept for 30 min;
furthermore, the annealing width of the third step is within 100mm of the two sides of the welding seam, so that the temperature of the two sides of the welding seam is uniform within 50 mm.
Compared with the prior art, the invention has the following beneficial effects:
the invention overcomes the defects of the prior art, adopts a numerical control cutting machine for blanking, and utilizes a plate bending machine to bend the cut plate to manufacture a longitudinal reinforcing rib, a first transverse reinforcing rib and a second transverse reinforcing rib, thereby ensuring the size and the quality of a reinforcing groove, ensuring the uniform and consistent assembly clearance of a welding joint in the subsequent assembly process and reducing the welding deformation; secondly, leftover materials are used for blanking and bending, so that the production cost of the product is reduced, and the overall quality of the trailer is also reduced; by adopting the welding mode, the phenomenon that the sliding plate is seriously deformed after welding operation can be prevented, so that the qualification rate of finished products is improved, and the working efficiency is improved.
Drawings
FIG. 1 is a front view of a trailer traction saddle of the present invention;
figure 2 is a top view of the trailer traction saddle of the present invention.
Detailed Description
The first embodiment is as follows: the embodiment is described by combining fig. 1 and fig. 2, and the method for welding the trailer traction saddle in the embodiment comprises the following specific steps:
firstly, blanking is carried out by using a numerical control cutting machine, and a plate after cutting is bent by using a plate bending machine to manufacture a longitudinal reinforcing rib 1, a first transverse reinforcing rib 2 and a second transverse reinforcing rib 3;
welding the longitudinal reinforcing rib 1, the first transverse reinforcing rib 2 and the second transverse reinforcing rib 3 which are processed in the step one to the lower surface of the sliding plate 4, welding the first transverse reinforcing rib 2 on one side of the longitudinal reinforcing rib 1, welding the second transverse reinforcing rib 3 on the other side of the longitudinal reinforcing rib 1, and arranging the axes of the first transverse reinforcing rib 2 and the second transverse reinforcing rib 3 in a collinear manner;
thirdly, annealing the part after welding;
according to the specific embodiment, a numerical control cutting machine is adopted for blanking, and a plate after cutting is bent by a plate bending machine to manufacture a longitudinal reinforcing rib, a first transverse reinforcing rib and a second transverse reinforcing rib, so that the size and the quality of a reinforcing groove are ensured, the assembly gaps of welding joints in the subsequent assembly process are ensured to be uniform and consistent, and the welding deformation is reduced; secondly, leftover materials are used for blanking and bending, so that the production cost of the product is reduced, and the overall quality of the trailer is also reduced; by adopting the welding mode, the phenomenon that the sliding plate is seriously deformed after welding operation can be prevented, so that the qualification rate of finished products is improved, and the working efficiency is improved.
The second embodiment is as follows: the present embodiment is described with reference to fig. 2, and the present embodiment is a further limitation of the process method described in the first embodiment, and the specific welding method in the second step of the process method for welding the trailing saddle of the trailer in the present embodiment is as follows:
firstly, welding seams between two sides of a longitudinal reinforcing rib 1 and the upper surface of a sliding plate 4, simultaneously welding by two welders from the middle to two ends, stopping welding after the length of the welding seam is 30mm, and then welding the welding seam at the joint of the longitudinal reinforcing rib 1 and a traction pin 5 from the middle to two ends, wherein the length of the welding seam is 30 mm; then assembling a first transverse reinforcing rib 2 and a second transverse reinforcing rib 3, welding a welding seam at the joint of one side of the first transverse reinforcing rib 2 and the upper surface of the sliding plate 4 from the middle to two ends by two welders, welding a welding seam at the joint of one side of the second transverse reinforcing rib 3 and the upper surface of the sliding plate 4, stopping after the length of the welding seam reaches 30mm, welding a welding seam at the joint of the other side of the first transverse reinforcing rib 2 and the upper surface of the sliding plate 4, and welding a welding seam at the joint of the other side of the second transverse reinforcing rib 3 and the upper surface of the sliding plate 4, wherein the length of the welding seam reaches 30 mm; and finally, welding a welding seam at the joint of the first transverse reinforcing rib 2 and the longitudinal reinforcing rib 1, and then welding a welding seam at the joint of the second transverse reinforcing rib 3 and the longitudinal reinforcing rib 1, thereby completing the welding operation.
The third concrete implementation mode: the present embodiment is described with reference to fig. 2, and the present embodiment is a further limitation of the process method described in the second embodiment, and the welding rod used in the welding in the second step of the process method for welding the trailing saddle of the trailer in the present embodiment is J507 welding rod, and the diameter of the welding rod is 4 mm.
The fourth concrete implementation mode: the embodiment is described with reference to fig. 2, and the embodiment is a further limitation of the process method described in the third embodiment, and the welding current in the second step is 160-180A, the voltage is 24-26V, and the welding speed is 14-16 cm/min.
The fifth concrete implementation mode: the third step of annealing is performed at 620 ℃ and is kept at the temperature for 30 min.
The sixth specific implementation mode: the present embodiment will be described with reference to fig. 2, which is a process method according to a fifth embodiment, and in the trailer traction saddle welding process method according to the present embodiment, the annealing width in the third step is within a range of 100mm on both sides of the weld, and the temperature is uniform within a range of 50mm on both sides of the weld.
Claims (6)
1. A trailer traction saddle welding process method is characterized in that: the specific method comprises the following steps:
the method comprises the following steps that firstly, a numerical control cutting machine is used for blanking, and a plate bending machine is used for bending a cut plate to manufacture a longitudinal reinforcing rib (1), a first transverse reinforcing rib (2) and a second transverse reinforcing rib (3);
welding the longitudinal reinforcing rib (1), the first transverse reinforcing rib (2) and the second transverse reinforcing rib (3) which are processed in the step one to the lower surface of the sliding plate (4), welding the first transverse reinforcing rib (2) on one side of the longitudinal reinforcing rib (1), welding the second transverse reinforcing rib (3) on the other side of the longitudinal reinforcing rib (1), and arranging the first transverse reinforcing rib (2) and the second transverse reinforcing rib (3) in a collinear mode;
and step three, annealing the part after welding.
2. The welding process method for the traction saddle of the trailer according to claim 1, characterized in that: the specific welding method of the second step is as follows:
firstly, welding seams between two sides of a longitudinal reinforcing rib (1) and the upper surface of a sliding plate (4), welding by two welders simultaneously, welding from the middle to two ends, stopping welding after the length of the welding seam is 30mm, then welding the welding seam at the joint of the longitudinal reinforcing rib (1) and a traction pin (5), also welding from the middle to two ends, and the length of the welding seam is 30 mm;
then assembling a first transverse reinforcing rib (2) and a second transverse reinforcing rib (3), welding a welding seam at the joint of one side of the first transverse reinforcing rib (2) and the upper surface of the sliding plate (4) from the middle to two ends by two welders, welding a welding seam at the joint of one side of the second transverse reinforcing rib (3) and the upper surface of the sliding plate (4), stopping when the length of the welding seam reaches 30mm, welding a welding seam at the joint of the other side of the first transverse reinforcing rib (2) and the upper surface of the sliding plate (4), welding a welding seam at the joint of the other side of the second transverse reinforcing rib (3) and the upper surface of the sliding plate (4), wherein the length of the welding seam reaches 30 mm;
and finally, welding a welding seam at the joint of the first transverse reinforcing rib (2) and the longitudinal reinforcing rib (1), and then welding a welding seam at the joint of the second transverse reinforcing rib (3) and the longitudinal reinforcing rib (1), thereby completing the welding operation.
3. The welding process method for the traction saddle of the trailer according to claim 2, characterized in that: and the welding rod adopted in the welding in the step two is a J507 welding rod, and the diameter of the welding rod is 4 mm.
4. The welding process for the traction saddle of the trailer according to claim 3, characterized in that: and in the second step, the welding current is 160-180A, the voltage is 24-26V, and the welding speed is 14-16 cm/min.
5. The welding process method for the traction saddle of the trailer according to claim 1, characterized in that: the annealing temperature of the third step is 620 ℃, and the temperature is kept for 30 min.
6. The welding process method for the traction saddle of the trailer according to claim 5, characterized in that: the annealing width of the third step is within 100mm of the two sides of the welding seam, so that the temperature of the two sides of the welding seam is uniform within 50 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111256352.XA CN113814671A (en) | 2021-10-27 | 2021-10-27 | Trailer traction saddle welding process method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111256352.XA CN113814671A (en) | 2021-10-27 | 2021-10-27 | Trailer traction saddle welding process method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113814671A true CN113814671A (en) | 2021-12-21 |
Family
ID=78918918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111256352.XA Pending CN113814671A (en) | 2021-10-27 | 2021-10-27 | Trailer traction saddle welding process method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113814671A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0211417A1 (en) * | 1985-08-06 | 1987-02-25 | Georg Fischer Aktiengesellschaft | Arrangement of the fifth-wheel support plates of a semi-trailer |
| US5555699A (en) * | 1995-04-06 | 1996-09-17 | Terex Corporation | Cross-stiffened panel structure |
| CN101745718A (en) * | 2009-12-17 | 2010-06-23 | 浙江东海岸船业有限公司 | Method for welding thin steel plate |
| CN204978920U (en) * | 2015-08-24 | 2016-01-20 | 芜湖中集瑞江汽车有限公司 | Aluminium pot semitrailer is with drawing pin plate assembly |
| WO2017003397A1 (en) * | 2015-06-29 | 2017-01-05 | Tirsan Treyler Sanayi̇ Ve Ti̇caret Anoni̇m Şi̇rketi̇ | Tow coupler plate |
| CN206568825U (en) * | 2017-03-31 | 2017-10-20 | 河北昌骅专用汽车有限公司 | A kind of towing pin seat board of aluminium pot car |
| CN207644098U (en) * | 2017-12-18 | 2018-07-24 | 芜湖中集瑞江汽车有限公司 | Combined type towing pin harden structure |
| CN109466258A (en) * | 2018-12-25 | 2019-03-15 | 中国重汽集团柳州运力专用汽车有限公司 | Semi-trailer truck split tow seat |
| CN208915053U (en) * | 2018-10-31 | 2019-05-31 | 山东万事达专用汽车制造有限公司 | A kind of tank type half-trailer traction pin plate assembly |
-
2021
- 2021-10-27 CN CN202111256352.XA patent/CN113814671A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0211417A1 (en) * | 1985-08-06 | 1987-02-25 | Georg Fischer Aktiengesellschaft | Arrangement of the fifth-wheel support plates of a semi-trailer |
| US5555699A (en) * | 1995-04-06 | 1996-09-17 | Terex Corporation | Cross-stiffened panel structure |
| CN101745718A (en) * | 2009-12-17 | 2010-06-23 | 浙江东海岸船业有限公司 | Method for welding thin steel plate |
| WO2017003397A1 (en) * | 2015-06-29 | 2017-01-05 | Tirsan Treyler Sanayi̇ Ve Ti̇caret Anoni̇m Şi̇rketi̇ | Tow coupler plate |
| CN204978920U (en) * | 2015-08-24 | 2016-01-20 | 芜湖中集瑞江汽车有限公司 | Aluminium pot semitrailer is with drawing pin plate assembly |
| CN206568825U (en) * | 2017-03-31 | 2017-10-20 | 河北昌骅专用汽车有限公司 | A kind of towing pin seat board of aluminium pot car |
| CN207644098U (en) * | 2017-12-18 | 2018-07-24 | 芜湖中集瑞江汽车有限公司 | Combined type towing pin harden structure |
| CN208915053U (en) * | 2018-10-31 | 2019-05-31 | 山东万事达专用汽车制造有限公司 | A kind of tank type half-trailer traction pin plate assembly |
| CN109466258A (en) * | 2018-12-25 | 2019-03-15 | 中国重汽集团柳州运力专用汽车有限公司 | Semi-trailer truck split tow seat |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3127624B1 (en) | Bending-press forming tool | |
| CN107745214A (en) | A kind of welded chemical industry dress of T-type structure automatic assembling | |
| CN103537880B (en) | A kind of welding method of laser welder high-strength steel | |
| WO2012083638A1 (en) | Fixture supporting plate, forward assembly welding fixture and method for welding arc sectional material | |
| CN108723578A (en) | The friction stir welding method of hollow aluminium section bar split arc plate | |
| CN102223961B (en) | Device for correcting pipe-end shape of uoe metallic pipe | |
| CN110756964A (en) | Reverse deformation treatment process before welding of H-shaped steel structure | |
| CN108453475B (en) | Production process of press-fit steel ring | |
| CN101224538A (en) | Technique of hot rolled plate and linear cooling bed for manufacturing trolley track girder | |
| CN102909479A (en) | Welding method for square long girders | |
| CN113814671A (en) | Trailer traction saddle welding process method | |
| CN113714322B (en) | Forming method of offset welding line thin-wall high-strength square cold-formed steel pipe | |
| CN207710175U (en) | Proximate matter anti-deformation auxiliary mould | |
| CN111702421B (en) | Assembling and welding method of concave underframe | |
| CN114473146B (en) | Box-shaped arm support and welding deformation control method thereof | |
| CN206425445U (en) | A kind of weld seam apparatus for shaping of major diameter wind power bearing integral cage | |
| CN111014952A (en) | Welding method of cold-rolled 25# steel solid laser welding machine | |
| CN108422154A (en) | A kind of Wheel retainer ring processing method and cold stamping die | |
| CN112025065A (en) | Vehicle resistance spot welding gap correction device and gap control method | |
| CN104249089B (en) | Method for manufacturing rectangular laser welded pipe | |
| CN106312246A (en) | Automatic welding process for aluminum alloy draw gear panel applied to subway | |
| CN215787631U (en) | Anti-deformation tool for intelligent welding robot | |
| CN209648097U (en) | A kind of tuber | |
| CN111069755B (en) | Flash welding forming method for L-shaped section special-shaped ring piece | |
| CN115890152B (en) | Stamping welding process for closed torsion beam cross beam |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20211221 |