CN113942589A - Stamping tailor-welding type rear suspension lower bracket for rear suspension of cab - Google Patents
Stamping tailor-welding type rear suspension lower bracket for rear suspension of cab Download PDFInfo
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- CN113942589A CN113942589A CN202111438731.0A CN202111438731A CN113942589A CN 113942589 A CN113942589 A CN 113942589A CN 202111438731 A CN202111438731 A CN 202111438731A CN 113942589 A CN113942589 A CN 113942589A
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- 239000000725 suspension Substances 0.000 title claims abstract description 70
- 238000005493 welding type Methods 0.000 title description 11
- 239000006096 absorbing agent Substances 0.000 claims abstract description 50
- 230000035939 shock Effects 0.000 claims abstract description 50
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 25
- 239000010959 steel Substances 0.000 claims abstract description 25
- 238000004080 punching Methods 0.000 claims abstract description 20
- 238000003466 welding Methods 0.000 claims abstract description 17
- 230000007704 transition Effects 0.000 claims abstract description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 24
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 238000005266 casting Methods 0.000 abstract description 7
- 230000007547 defect Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000005520 cutting process Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D33/00—Superstructures for load-carrying vehicles
- B62D33/06—Drivers' cabs
- B62D33/0604—Cabs insulated against vibrations or noise, e.g. with elastic suspension
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- Combustion & Propulsion (AREA)
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Abstract
The utility model relates to a underslung support behind punching press tailor-welding formula for driver's cabin rear overhang belongs to commercial car driver's cabin rear overhang lower carriage technical field, includes: the lower support main board is of a steel plate integrated punch forming structure and comprises an upper rear suspension support section, a lower frame connecting section and a middle transition section; the shock absorber support is of a steel plate integrated punch forming structure and comprises a support top plate and support side plates positioned on two sides of the support top plate, a shock absorber mounting hole is formed in the support top plate, and the shock absorber support is fixedly connected with the upper rear overhang supporting section; the cross beam connecting frame is of an integrated punch forming structure of a steel plate and comprises a support base plate and support vertical plates located on two sides of the support base plate, cross beam mounting holes are formed in the support vertical plates, and the cross beam connecting frame is fixedly connected with the upper rear suspension supporting section. This application has adopted the integrative stamping forming structure of steel sheet, and the punching press is pieced together and is welded formula rear overhang lower carriage and on guaranteeing to satisfy the basis of original function, has stopped to have had the cracked risk because of the internal defect that casting process produced.
Description
Technical Field
The application relates to the technical field of rear suspension lower supports of commercial vehicle cabs, in particular to a stamping tailor-welding type rear suspension lower support for a cab rear suspension.
Background
The rear suspension of the cab of the heavy truck is an important component of a cab suspension system, is arranged between the rear part of the cab and a frame, and mainly plays a role in supporting the cab of the heavy truck, simultaneously attenuates the vibration and impact transmitted to the cab by uneven excitation of a road surface during the running of a vehicle, guides the vertical motion of the cab relative to the frame, prevents the cab from tilting and deflecting, and also plays a role in locking and stabilizing the cab for a flat-headed reversible cab of the heavy truck.
As shown in fig. 1, the cab rear suspension generally comprises a rear suspension upper bracket 1a, a rear suspension lower bracket 1c and a middle shock absorber 1b, wherein the rear suspension lower bracket 1c is an important bearing part, which bears the connection between the rear suspension part and the frame and is the most stressed part of the cab rear suspension. As shown in fig. 2, the conventional rear suspension lower bracket 1c is manufactured by a casting process, and is integrally formed, and cast steel or cast aluminum material may be used.
The rear suspension lower bracket produced by the manufacturing method often has some internal defects and cannot be checked from the appearance of the rear suspension lower bracket, so that potential safety hazards are brought to later-stage vehicle running, and breakage often occurs.
The cast aluminum part can be produced by adopting a high-pressure casting or liquid forging mode, the die cost is often several times higher due to the fact that high pressure is needed in the manufacturing process, the part cost is directly increased greatly, and the product loses competitiveness.
Disclosure of Invention
The embodiment of the application provides a underslung support behind punching press tailor-welding formula for driver's cabin rear overhang to there are some internal defects in the rear overhang lower carriage that adopts the casting shaping in solving the correlation technique, lead to easy fracture, have brought the problem of potential safety hazard for the later stage vehicle traveles.
The embodiment of the application provides a underslung support behind punching press tailor-welding formula for driver's cabin rear overhang includes:
the lower support main plate is of a steel plate integrated punch forming structure and comprises an upper rear suspension support section, a lower frame connecting section and a middle transition section, wherein the middle transition section is connected with the upper rear suspension support section and the lower frame connecting section;
the shock absorber support is of a steel plate integrated punch forming structure and comprises a support top plate and support side plates positioned on two sides of the support top plate, a shock absorber mounting hole is formed in the support top plate, and the shock absorber support is fixedly connected with the upper rear suspension support section;
the steel plate integrated stamping forming structure comprises a support base plate and support vertical plates located on two sides of the support base plate, wherein the support vertical plates are provided with beam mounting holes, and the beam connecting frame is fixedly connected with an upper rear suspension support section.
In some embodiments: and side lugs connected with the shock absorber support and the beam connecting frame are respectively arranged on two sides of the upper rear suspension support section, the side lugs and the cross section of the upper rear suspension support section form an Contraband-shaped structure, and an air filter threaded hole connected with an air filter is formed in each side lug.
In some embodiments: the shock absorber mounting hole is positioned at one end of the support top plate, a notch for mounting the support vertical plate is arranged at the joint of the support side plate and the support top plate, and the notch is positioned at one end far away from the shock absorber mounting hole;
the support side plate is provided with a bolt hole and a fabrication hole, the bolt hole is communicated with a threaded hole of the air filter, and the shock absorber support is positioned between the two side lugs and is welded and connected with the side lugs through the support side plate.
In some embodiments: one end of a support vertical plate on two sides of the support bottom plate is respectively positioned in notches on two sides of the support top plate, the support vertical plate is in welding connection with the support side plate in an upward inclined direction, and chamfers are arranged at two ends, far away from the support bottom plate, of the support vertical plate.
In some embodiments: the beam connecting frame is provided with a reinforcing rib, two ends of the reinforcing rib are respectively welded with the support vertical plates on two sides of the support bottom plate, and the reinforcing rib is a rectangular steel plate.
In some embodiments: the axis of the upper rear suspension support section deviates towards the axis far away from the lower frame connecting section along the X-axis direction;
the middle transition section is obliquely arranged on the lower frame connecting section towards the offset direction of the upper rear suspension support section;
and the offset distance between the axis of the upper rear suspension support section and the axis of the lower frame connecting section in the X-axis direction is L.
In some embodiments: mounting plates are symmetrically arranged on two sides of the lower frame connecting section, and the mounting plates on the two sides of the lower frame connecting section extend along the X-axis direction and are far away from each other;
the cross section of lower part frame connection section and mounting panel constitutes "nearly" font structure, be equipped with a plurality of frame mounting holes that are used for connecting the frame on the mounting panel.
In some embodiments: still be equipped with a plurality of fender mounting holes that are used for connecting the fender on the mounting panel, the welding has the frame spliced pole on the frame mounting hole, the welding has the fender spliced pole on the fender mounting hole, all set up threaded hole on frame spliced pole and the fender spliced pole.
In some embodiments: the frame connecting column and the fender connecting column are both positioned on one surface close to the lower frame connecting section, the frame connecting column is of a stepped cylindrical structure with a large diameter at one end and a small diameter at the other end, and the small-diameter end of the frame connecting column is welded with the mounting plate;
and a fender middle mounting hole for connecting a fender is formed in the lower frame connecting section, and a fender inner side connecting column connected with the fender middle mounting hole is arranged in the lower frame connecting section.
In some embodiments: the mounting panel is equipped with the reinforcing plate with the junction of middle changeover portion, the both ends of reinforcing plate respectively with mounting panel and middle changeover portion welded connection, through-hole and bolt cut hole have been seted up on the reinforcing plate, the through-hole communicates with each other with the frame mounting hole.
The beneficial effect that technical scheme that this application provided brought includes:
the embodiment of the application provides a stamping and tailor-welding type rear suspension lower support for a rear suspension of a cab, which is provided with a lower support main board, wherein the lower support main board is of a steel plate integrated stamping forming structure and comprises an upper rear suspension support section, a lower frame connecting section and a middle transition section for connecting the upper rear suspension support section and the lower frame connecting section; the shock absorber support is of a steel plate integrated punch forming structure and comprises a support top plate and support side plates positioned on two sides of the support top plate, a shock absorber mounting hole is formed in the support top plate, and the shock absorber support is fixedly connected with the upper rear suspension support section; the beam connecting frame is of a steel plate integrated punch forming structure and comprises a support base plate and support vertical plates located on two sides of the support base plate, beam mounting holes are formed in the support vertical plates, and the beam connecting frame is fixedly connected with the upper rear suspension support section.
Consequently, the lower carriage mainboard, shock absorber support and the crossbeam link that the sub-suspension after the punching press tailor-welded formula of this application set up have all adopted the integrative stamping forming structure of steel sheet, and on the basis of guaranteeing to satisfy original function, there was cracked risk because of the internal defect that casting process produced in the sub-suspension after the punching press tailor-welded formula, improved the structural rigidity requirement of sub-suspension after the punching press tailor-welded formula, prolonged the life of sub-suspension. The shock absorber support and the beam connecting frame are both connected with the lower support main board in a welding mode, when the lower support main board with different heights needs to be manufactured, the lower support main board can be changed under the condition that other parts are not changed, the shock absorber support and the beam connecting frame can be arranged in a universal mode, and production cost is reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a rear suspension of a cab in the background art;
FIG. 2 is a schematic view of a prior art rear suspension mount;
FIG. 3 is a schematic diagram of a first perspective structure according to an embodiment of the present disclosure;
FIG. 4 is a schematic structural diagram of a second perspective in accordance with an embodiment of the present disclosure;
FIG. 5 is a schematic structural view of a shock absorber mount according to an embodiment of the present application;
FIG. 6 is a schematic structural diagram of a beam connection bracket according to an embodiment of the present application;
fig. 7 is a schematic structural view of a lower bracket main board according to an embodiment of the present application;
FIG. 8 is a left structural view of a lower bracket main board according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a reinforcing plate according to an embodiment of the present application.
Reference numerals:
1. a shock absorber support; 11. a bracket top plate; 12. a shock absorber mounting hole; 13. a bracket side plate; 14. bolt holes; 15. a fabrication hole; 16. opening the gap;
2. a beam connecting frame; 21. reinforcing ribs; 22. a beam mounting hole; 23. a bracket base plate; 24. chamfering; 25. a support vertical plate;
3. a lower bracket main board; 31. a lateral ear; 32. an air filter threaded hole; 33. mounting a plate; 34. a fender mounting hole; 35. a frame mounting hole; 36. a lower frame connection section; 37. a middle transition section; 38. an upper rear overhang support section;
4. a reinforcing plate; 41. a through hole; 42. cutting holes on the bolts;
5. a frame connecting column; 6. a fender connecting post; 7. an air filter connecting plate; 8. the inner side of the mudguard is connected with a column.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The embodiment of the application provides a underslung support behind punching press tailor-welded formula for driver's cabin rear overhang, and it can solve and adopt cast molding's rear overhang underslung to have some internal defect among the correlation technique, leads to easy fracture, has brought the problem of potential safety hazard for the later stage vehicle traveles.
Referring to fig. 3 to 8, an embodiment of the present application provides a stamped tailor welded rear suspension lower bracket for a cab rear suspension, including:
the lower support main plate 3 is a hot-rolled steel plate integrated punch forming structure with the thickness of 6-10mm, and the lower support main plate 3 comprises an upper rear overhang supporting section 38, a lower frame connecting section 36 and a middle transition section 37 for connecting the upper rear overhang supporting section 38 and the lower frame connecting section 36. The upper rear overhang support section 38 is used to fixedly connect the shock absorber support 1 and the cross member connecting frame 2, and the lower frame connecting section 36 is used to fix the lower support main plate 3 to the vehicle frame.
The shock absorber support 1 is a hot rolled steel plate integral stamping forming structure with the thickness of 6-10mm, and the shock absorber support 1 comprises a support top plate 11 and support side plates 13 positioned on two sides of the support top plate 11. The top support plate 11 and the side support plates 13 on both sides of the top support plate 11 form an Contraband-shaped structure. The support top plate 11 is provided with a shock absorber mounting hole 12 for fixing a shock absorber, and the shock absorber support 1 is fixedly connected with the upper rear overhang supporting section 38 so as to fix the shock absorber on the top of the upper rear overhang supporting section 38.
The cross beam connecting frame 2 is a hot rolled steel plate integrated punch forming structure with the thickness of 6-10mm, and the cross beam connecting frame 2 comprises a support bottom plate 23 and support vertical plates 25 positioned on two sides of the support bottom plate 23. The bracket bottom plate 23 and the bracket vertical plate 25 positioned at two sides of the bracket bottom plate 23 jointly form an Contraband-shaped structure. Two beam mounting holes 22 for connecting beams are formed in the support vertical plate 25, and the beam mounting holes 22 in the support vertical plate 25 on two sides of the support bottom plate 23 are symmetrically arranged. The cross beam connecting frame 2 is fixedly connected with the upper rear overhang support section 38 to fix the cross beam on top of the upper rear overhang support section 38.
Shock absorber support 1 and crossbeam link 2 all adopt welded connection with lower carriage mainboard 3, when the lower carriage mainboard of co-altitude is makeed to needs, only need change lower carriage mainboard 3 under the unchangeable condition of other parts and can realize, and shock absorber support 1 and crossbeam link 2 can realize the universalization setting, have reduced manufacturing cost.
In some alternative embodiments: referring to fig. 3, 4, 7 and 8, an embodiment of the present application provides a stamped tailor welded rear under bracket for a cab rear suspension, and side lugs 31 for connecting a shock absorber bracket 1 and a cross beam connecting frame 2 are respectively arranged on two sides of an upper rear suspension support section 38 of the stamped tailor welded rear under bracket. The cross-section of side ears 31 and upper rear overhang support section 38 form an "Contraband" shaped structure.
An air filter threaded hole 32 connected with an air filter is formed in the side lug 31, an air filter connecting plate 7 concentric with the air filter threaded hole 32 is arranged on the outer wall of the side lug 31, threaded holes are formed in the air filter connecting plate 7, and the air filter connecting plate 7 can fix the air filter on the air filter connecting plate 7 and the side lug 31 through screws so as to provide a mounting fixing point for the air filter.
In some alternative embodiments: referring to fig. 3, 4, 5 and 7, an embodiment of the present application provides a stamping and welding type rear overhang support for a cab rear overhang, a shock absorber mounting hole 12 of the stamping and welding type rear overhang support is located at one end of a support top plate 11, and a gap 16 for mounting a support vertical plate 25 is arranged at a connection position of a support side plate 13 and the support top plate 11. The gap 16 is positioned at one end far away from the shock absorber mounting hole 12, and the gaps 16 are positioned at two sides of the support top plate 11.
The support side plate 13 is provided with bolt holes 14 and fabrication holes 15, the bolt holes 14 are communicated with air filter threaded holes 32 on the side lugs 31, and the vibration damper support 1 is positioned between the two side lugs 31 and is connected with the side lugs 31 through the support side plate 13 in a welding mode. Empty connecting plate 7 of straining is circular sheetmetal, and empty connecting plate 7 of straining carries out the screw hole tapping after whole punching press tailor-welding formula underslung support welds well again, and whole screw thread runs through shock absorber support 1, side ear 31 and empty connecting plate 7 of straining. The fabrication hole 15 is used for providing positioning when the shock absorber support 1 is welded with the side lug 31, and the welding precision of the shock absorber support 1 on the side lug 31 is ensured.
In some alternative embodiments: referring to fig. 3, 4, 5 and 6, an embodiment of the present application provides a stamping and welding type rear overhang lower bracket for a rear overhang of a cab, where one end of a bracket vertical plate 25 on both sides of a bracket bottom plate 23 of the stamping and welding type rear overhang lower bracket is respectively located in a notch 16 on both sides of a bracket top plate 11, and the bracket vertical plate 25 is welded and connected with a bracket side plate 13 and a side lug 31 in an upward-inclined direction. Chamfers 24 are arranged at two ends of the support vertical plate 25 far away from the support bottom plate 23, and the chamfers 24 play a role in avoiding and prevent position interference with the shock absorber support 1 or the cross beam.
The beam connecting frame 2 is provided with a reinforcing rib 21, two ends of the reinforcing rib 21 are respectively welded with the support vertical plates 25 on two sides of the support bottom plate 23, the reinforcing rib 21 is positioned between the two beam mounting holes 22 on the support vertical plates 25, and the reinforcing rib 21 is a rectangular steel plate with the thickness of 6-10 mm. The beam connecting frame 2 is used for connecting the beams through bolts, and the reinforcing ribs 21 are welded between the two beam mounting holes 22 on the support vertical plate 25, so that the structural strength of the beam connecting frame 2 can be obviously enhanced, and the support vertical plate 25 is prevented from being extruded and deformed.
In some alternative embodiments: referring to fig. 7 and 8, the present embodiment provides a stamped tailor welded rear under bracket for a cab rear overhang, the axis of the upper rear overhang support section 38 of which is offset in the X-axis direction away from the axis of the lower frame attachment section 36. The intermediate transition section 37 is arranged at an angle to the offset direction of the upper rear suspension section 38 at the lower frame connection section 36. The offset distance of the axis of the upper rear overhang supporting section 38 and the axis of the lower frame connecting section 36 in the X-axis direction is L, and the offset distance L of the axis of the upper rear overhang supporting section 38 and the axis of the lower frame connecting section 36 in the X-axis direction is 50-100 mm. The X axis of the embodiment of the application is the front and back direction of the vehicle, namely the length direction of the vehicle; the Z-axis is the up-down direction of the vehicle, i.e., the height direction of the vehicle.
The axis of the upper rear overhang support section 38 of the present embodiment is offset in the X-axis direction away from the axis of the lower frame attachment section 36 so that the upper rear overhang support section 38 can be offset forward or rearward relative to the lower frame attachment section 36. Under the condition that the mounting point of the stamping and tailor-welding type rear suspension lower bracket on the frame is not changed, when the upper rear suspension supporting section 38 is positioned at the front side of the axis of the lower frame connecting section 36, the stamping and tailor-welding type rear suspension lower bracket is adapted to a standard cab; when the upper rear overhang support section 38 is located on the rear side of the axis of the lower frame connection section 36, the stamped tailor welded rear overhang support is fitted to the extension cab. The punching press tailor-welded type rear overhang underslung can adapt to the cab of different length under the condition that the installation point keeps unchanged on the frame, and the problem of the position interference of the punching press tailor-welded type rear overhang underslung and other functional devices of the frame is solved simultaneously.
In some alternative embodiments: referring to fig. 3, 4 and 7, in an embodiment of the present application, a stamped tailor welded rear under bracket for a cab rear suspension is provided, where mounting plates 33 are symmetrically arranged on two sides of a lower frame connecting section 36 of the stamped tailor welded rear under bracket, and the mounting plates 33 on two sides of the lower frame connecting section 36 extend in an X-axis direction and are away from each other. The cross sections of the lower frame connecting section 36 and the mounting plate 33 form a structure shaped like a Chinese character 'ji', and a plurality of frame mounting holes 35 for connecting the frame are arranged on the mounting plate 33.
Still be equipped with a plurality of fender mounting holes 34 that are used for connecting the fender on the mounting panel 33, the welding has frame spliced pole 5 on the frame mounting hole 35, and the welding has fender spliced pole 6 on the fender mounting hole 34, all sets up threaded hole on frame spliced pole 5 and the fender spliced pole 6. The frame connection post 5 and the fender connection post 6 are both located on a face adjacent the lower frame connection section 36. The frame connecting column 5 is of a stepped cylindrical structure with one end having a large diameter and the other end having a small diameter, the end with the small diameter of the frame connecting column 5 is welded with the mounting plate 33, and the end with the large diameter of the frame connecting column 5 is used for being connected with a frame, so that the contact area between the frame connecting column 5 and the frame is increased.
A fender middle mounting hole used for being connected with a fender is formed in the lower frame connecting section 36, a fender inner side connecting column 8 connected with the fender middle mounting hole is arranged in the lower frame connecting section, a threaded hole is formed in the fender inner side connecting column 8, and the fender inner side connecting column 8 and the fender connecting column 6 are both used for fixedly mounting the fender.
In some alternative embodiments: referring to fig. 3 and 8, in the embodiment of the present application, a reinforcing plate 4 is disposed at a connection between a mounting plate 33 and a middle transition section 37 of a stamping and welding type rear overhang support for a cab rear overhang, two ends of the reinforcing plate 4 are respectively connected with the mounting plate 33 and the middle transition section 37 in a welding manner, and a through hole 41 and a bolt cutting hole 42 are formed in the reinforcing plate. Wherein, the through hole 41 is communicated with the frame mounting hole 35, and the bolt cutting hole 42 is communicated with the mudguard mounting hole 34.
The junction between middle changeover portion 37 and lower part frame linkage 36 is the weak position of intensity of punching press tailor-welded formula after-hanging under-bracket, sets up reinforcing plate 4 in the junction of mounting panel 33 and middle changeover portion 37 and is used for promoting the reliability of punching press tailor-welded formula after-hanging under-bracket. The through hole 41 is used for avoiding the frame connecting column 5 so as to weld and connect the frame connecting column 5 and the mounting plate 33. The bolt cutting hole 42 is used for avoiding the fender connecting column 6, so that the fender connecting column 6 is connected with the mounting plate 33 in a welding mode.
Principle of operation
The embodiment of the application provides a stamping tailor-welded rear suspension lower bracket for a cab rear suspension, which is characterized in that the stamping tailor-welded rear suspension lower bracket is provided with a lower bracket main plate 3, the lower bracket main plate 3 is of a steel plate integrated stamping forming structure and comprises an upper rear suspension support section 38, a lower frame connecting section 36 and a middle transition section 37 for connecting the upper rear suspension support section 38 and the lower frame connecting section 36; the shock absorber support 1 is of a steel plate integrated punch forming structure and comprises a support top plate 11 and support side plates 13 positioned on two sides of the support top plate, a shock absorber mounting hole 12 is formed in the support top plate 11, and the shock absorber support 1 is fixedly connected with an upper rear overhang supporting section 38; crossbeam link 2, this crossbeam link 2 are integrative stamping forming structure of steel sheet, and it includes support bottom plate 23 and the support riser 25 that is located support bottom plate 23 both sides, has seted up crossbeam mounting hole 22 on the support riser 25, crossbeam link 2 and upper portion rear overhang support section 38 fixed connection.
Consequently, the lower carriage mainboard 3, shock absorber support 1 and the crossbeam link 2 that the underslung after the punching press tailor-welded formula of this application set up have all adopted the integrative stamping forming structure of steel sheet, and on the basis of original function was satisfied in the assurance to the underslung after the punching press tailor-welded formula, stopped to have had cracked risk because of the internal defect that casting process produced, improved the structural rigidity requirement of the underslung after the punching press tailor-welded formula, prolonged the life of underslung. Shock absorber support 1 and crossbeam link 2 all adopt welded connection with lower carriage mainboard 3, when the lower carriage mainboard 3 of co-altitude not needs to be makeed, only need change lower carriage mainboard 3 under the unchangeable circumstances of other parts and can realize, and shock absorber support 1 and crossbeam link 2 can realize the universalization setting, have reduced manufacturing cost.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A underslung support behind punching press tailor-welded formula for driver's cabin rear overhang which characterized in that includes:
the lower support main plate (3) is of a steel plate integrated stamping forming structure and comprises an upper rear suspension support section (38), a lower frame connecting section (36) and a middle transition section (37) for connecting the upper rear suspension support section (38) and the lower frame connecting section (36);
the shock absorber support (1) is of a steel plate integrated punch forming structure and comprises a support top plate (11) and support side plates (13) located on two sides of the support top plate (11), a shock absorber mounting hole (12) is formed in the support top plate (11), and the shock absorber support (1) is fixedly connected with an upper rear overhang supporting section (38);
crossbeam link (2), crossbeam link (2) are the integrative stamping forming structure of steel sheet, and it includes support bottom plate (23) and support riser (25) that are located support bottom plate (23) both sides, crossbeam mounting hole (22) have been seted up on support riser (25), cantilever support section (38) fixed connection behind crossbeam link (2) and the upper portion.
2. The stamped tailor welded rear under bracket for a cab rear suspension of claim 1, wherein:
and side lugs (31) connected with the shock absorber support (1) and the cross beam connecting frame (2) are respectively arranged on two sides of the upper rear suspension support section (38), the cross sections of the side lugs (31) and the upper rear suspension support section (38) form an Contraband-shaped structure, and an air filter threaded hole (32) connected with an air filter is formed in each side lug (31).
3. A stamped tailor welded rear under bracket for a cab rear suspension as claimed in claim 2, wherein:
the shock absorber mounting hole (12) is positioned at one end of the support top plate (11), a notch (16) for mounting the support vertical plate (25) is formed in the joint of the support side plate (13) and the support top plate (11), and the notch (16) is positioned at one end far away from the shock absorber mounting hole (12);
the support side plate (13) is provided with a bolt hole (14) and a fabrication hole (15), the bolt hole (14) is communicated with a threaded hole (32) of the air filter, and the shock absorber support (1) is positioned between the two side lugs (31) and is welded with the side lugs (31) through the support side plate (13).
4. A stamped tailor welded rear under bracket for a cab rear suspension as claimed in claim 3 wherein:
one end of a support vertical plate (25) on two sides of the support bottom plate (23) is respectively positioned in notches (16) on two sides of the support top plate (11), the support vertical plate (25) is welded with the support side plate (13) in an upward inclined direction, and chamfers (24) are arranged at two ends, far away from the support bottom plate (23), of the support vertical plate (25).
5. The stamped tailor welded rear under bracket for a cab rear suspension of claim 1, wherein:
the beam connecting frame (2) is provided with reinforcing ribs (21), two ends of each reinforcing rib (21) are respectively connected with the support vertical plates (25) on two sides of the support bottom plate (23) in a welding mode, and each reinforcing rib (21) is a rectangular steel plate.
6. The stamped tailor welded rear under bracket for a cab rear suspension of claim 1, wherein:
the axis of the upper rear overhang support section (38) is offset in the X-axis direction away from the axis of the lower frame attachment section (36);
the middle transition section (37) is arranged on the lower frame connecting section (36) in an inclined way towards the offset direction of the upper rear suspension support section (38);
and the offset distance of the axis of the upper rear suspension support section (38) and the axis of the lower frame connecting section (36) in the X-axis direction is L.
7. The stamped tailor welded rear under bracket for a cab rear suspension of claim 1, wherein:
mounting plates (33) which are symmetrically arranged are arranged on two sides of the lower frame connecting section (36), and the mounting plates (33) on two sides of the lower frame connecting section (36) extend along the X-axis direction and are far away from each other;
the cross sections of the lower frame connecting section (36) and the mounting plate (33) form a structure shaped like a Chinese character 'ji', and a plurality of frame mounting holes (35) used for connecting the frame are formed in the mounting plate (33).
8. The stamped tailor welded rear under bracket for a cab rear suspension of claim 7, wherein:
still be equipped with a plurality of fender mounting holes (34) that are used for connecting the fender on mounting panel (33), the welding has frame connecting post (5) on frame mounting hole (35), the welding has fender connecting post (6) on fender mounting hole (34), all set up threaded hole on frame connecting post (5) and fender connecting post (6).
9. The stamped tailor welded rear under bracket for a cab rear suspension of claim 8, wherein:
the frame connecting column (5) and the fender connecting column (6) are both positioned on one surface close to the lower frame connecting section (36), the frame connecting column (5) is of a stepped cylindrical structure with a large diameter at one end and a small diameter at the other end, and the small-diameter end of the frame connecting column (5) is welded and connected with the mounting plate (33);
and a fender middle mounting hole for connecting a fender is formed in the lower frame connecting section (36), and a fender inner side connecting column (8) connected with the fender middle mounting hole is arranged in the lower frame connecting section (36).
10. The stamped tailor welded rear under bracket for a cab rear suspension of claim 7, wherein:
mounting panel (33) are equipped with reinforcing plate (4) with the junction of middle changeover portion (37), the both ends of reinforcing plate (4) respectively with mounting panel (33) and middle changeover portion (37) welded connection, through-hole (41) and bolt cut hole (42) have been seted up on reinforcing plate (4), through-hole (41) communicate with each other with frame mounting hole (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111438731.0A CN113942589B (en) | 2021-11-26 | 2021-11-26 | Stamping tailor-welding type rear suspension lower bracket for rear suspension of cab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111438731.0A CN113942589B (en) | 2021-11-26 | 2021-11-26 | Stamping tailor-welding type rear suspension lower bracket for rear suspension of cab |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113942589A true CN113942589A (en) | 2022-01-18 |
| CN113942589B CN113942589B (en) | 2023-03-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111438731.0A Active CN113942589B (en) | 2021-11-26 | 2021-11-26 | Stamping tailor-welding type rear suspension lower bracket for rear suspension of cab |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115817653A (en) * | 2022-11-18 | 2023-03-21 | 东风汽车股份有限公司 | Rear suspension connecting structure, connecting support and mounting method for cab of light commercial vehicle |
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| US20140042776A1 (en) * | 2011-05-13 | 2014-02-13 | International Truck Intellectual Property Company, Llc | Vehicle with angled link cab suspension |
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| CN106542010A (en) * | 2015-09-21 | 2017-03-29 | 湖北港汉电子科技有限公司 | Full floating Ride Comfort of Commercial Vehicle Cab Suspension System |
| CN107499397A (en) * | 2017-08-30 | 2017-12-22 | 东风商用车有限公司 | Resettable rear suspension system |
| CN208021562U (en) * | 2018-04-05 | 2018-10-30 | 十堰市弘康汽配科技有限公司 | A kind of commercial-vehicle cab rear-suspending system |
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2021
- 2021-11-26 CN CN202111438731.0A patent/CN113942589B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5590733A (en) * | 1992-04-07 | 1997-01-07 | Ab Volvo | Shock absorbing and sprung suspension system |
| US20140042776A1 (en) * | 2011-05-13 | 2014-02-13 | International Truck Intellectual Property Company, Llc | Vehicle with angled link cab suspension |
| CN204095937U (en) * | 2014-09-16 | 2015-01-14 | 陕西万方汽车零部件有限公司 | Heavy-duty vehicle rear-suspending body-packing and this heavy-duty tractor |
| CN106542010A (en) * | 2015-09-21 | 2017-03-29 | 湖北港汉电子科技有限公司 | Full floating Ride Comfort of Commercial Vehicle Cab Suspension System |
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| CN115817653A (en) * | 2022-11-18 | 2023-03-21 | 东风汽车股份有限公司 | Rear suspension connecting structure, connecting support and mounting method for cab of light commercial vehicle |
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|---|---|
| CN113942589B (en) | 2023-03-03 |
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