CN110562324A - Auxiliary frame before main body of central authorities lightens - Google Patents
Auxiliary frame before main body of central authorities lightens Download PDFInfo
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- CN110562324A CN110562324A CN201910838910.XA CN201910838910A CN110562324A CN 110562324 A CN110562324 A CN 110562324A CN 201910838910 A CN201910838910 A CN 201910838910A CN 110562324 A CN110562324 A CN 110562324A
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- rib plate
- longitudinal beam
- swing arm
- reinforcing rib
- pipe
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- 239000000725 suspension Substances 0.000 claims abstract description 57
- 238000000465 moulding Methods 0.000 claims abstract 11
- 230000003014 reinforcing effect Effects 0.000 claims description 87
- 238000007493 shaping process Methods 0.000 claims description 42
- 230000005540 biological transmission Effects 0.000 claims description 13
- 239000007787 solid Substances 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 10
- 230000001154 acute effect Effects 0.000 claims description 3
- 230000000295 complement effect Effects 0.000 claims description 3
- 230000003111 delayed effect Effects 0.000 claims description 3
- 210000005056 cell body Anatomy 0.000 claims 1
- 238000010276 construction Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 3
- 239000003381 stabilizer Substances 0.000 description 10
- 230000004069 differentiation Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000004512 die casting Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K13/00—Arrangement in connection with combustion air intake or gas exhaust of propulsion units
- B60K13/04—Arrangement in connection with combustion air intake or gas exhaust of propulsion units concerning exhaust
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/11—Understructures, i.e. chassis frame on which a vehicle body may be mounted with resilient means for suspension, e.g. of wheels or engine; sub-frames for mounting engine or suspensions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
- B62D29/008—Superstructures, understructures, or sub-units thereof, characterised by the material thereof predominantly of light alloys, e.g. extruded
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Vehicle Body Suspensions (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention relates to the field of design and manufacture of automobile parts, in particular to a front auxiliary frame with a light central main body. The auxiliary frame comprises a front auxiliary frame main body, a plurality of independent component force weight reducing position structures which are divided by a trapezoid structure, and the independent component force weight reducing positions of the blocks can be further reconstructed and divided, and the auxiliary frame comprises a front auxiliary frame main body, wherein: the moulding crossbeam body and the integrative moulding of crossbeam body that is central authorities of preceding sub vehicle frame main part are in its left and right both sides, the moulding mounting box that hangs before setting up in top of the crossbeam body, the central point of the preceding mounting box that hangs puts moulding preceding mounting tube that sets up of front suspension, the moulding auxiliary mounting tube in a left side and the moulding auxiliary mounting tube in the right side of preceding mounting tube, the same longitudinal axis's of preceding mounting tube bottom mounting tube is set up to the lower extreme of the preceding mounting box that hangs of preceding mounting tube, and the same transverse axis position of mounting tube at the bottom sets up left longeron connecting pipe and right longeron connecting pipe respectively in the moulding auxiliary mounting tube in a left side and the moulding auxiliary mounting tube in the right side position.
Description
Technical Field
The invention relates to the field of design and manufacture of automobile parts, in particular to a front auxiliary frame with a light central main body.
background
The modern automobile generally comprises a combination of a front part, a middle part and a rear part or a front part, a rear part and a rear part, and the like, wherein an auxiliary frame is arranged below front side frame members of the left automobile, and the auxiliary frame supports an engine and front suspension frames of various head components (a water tank, a battery and an air ventilation system), so that the front auxiliary frame is a head frame part of the whole automobile and is a core part of the whole automobile framework; in the subframe, a subframe formed of an aluminum alloy is known to reduce the weight of a vehicle, and a plurality of reinforcing ribs are formed on an inner surface side of the subframe to secure strength and rigidity in the subframe made of the aluminum alloy;
The new energy automobile starts to rise in the 20 th century, more and more automobile manufacturers start to invest in the production of the new energy automobile, the new energy automobile is a pure electric or hybrid automobile, the new energy automobile has fewer components and focuses on the exertion of light total weight, and further weight reduction is carried out under the conditions of overall stability and weight and quality maintenance so as to save electric energy and improve the driving mileage.
Disclosure of Invention
The invention aims to provide a front subframe with a light central main body, which is formed by integrally casting metal, has a plurality of independent component force weight reducing position structures divided by a trapezoidal structure, can be used for reconstructing and separating the independent component force weight reducing positions of the blocks further, can have different stress areas, and can extremely improve the load capacity and the stress differentiation adaptability of the mass through the division of the stress areas.
the invention is realized by the following technical scheme: a central main body lightweight front subframe is integrally cast, and comprises a front subframe main body (1), wherein: the front auxiliary frame main body (1) is shaped into a cross beam body (2) at the center and the cross beam body (2) are integrally shaped at the left side and the right side of the front auxiliary frame main body, a left integrated longitudinal beam (3) and a right integrated longitudinal beam (4) which are consistent in structure, a front suspension mounting box (5) is arranged above the top of the cross beam body (2) in a shaping mode, a front suspension mounting pipe (6) is arranged in a shaping mode at the center position of the front suspension mounting box (5), a left shaping auxiliary mounting pipe (7) and a right shaping auxiliary mounting pipe (8) of the front suspension mounting pipe (6), a bottom mounting pipe (9) is arranged at the lowest end of the front suspension mounting box (5) of the front suspension mounting pipe (6) on the same longitudinal axis, a left longitudinal beam connecting pipe (10) and a right longitudinal beam connecting pipe (11) are respectively arranged at the innermost positions of the left shaping auxiliary mounting pipe (7) and the right shaping auxiliary mounting pipe (8) at the same horizontal axis position of the bottom mounting pipe (9);
the left integrated longitudinal beam (3) and the right integrated longitudinal beam (4) are consistent in structure, the left integrated longitudinal beam (3) comprises a left front swing arm upper mounting part (12) at the top, a left longitudinal beam main body (13) in the middle and a front swing arm left lower mounting box (14) at the lower end, and a left front swing arm lower mounting pipe (15) is arranged in the center position or the middle axis head end position of the front swing arm lower mounting box (14) in a shaping mode; the right integrated longitudinal beam (4) comprises a right front swing arm upper mounting part (16) at the top, a right longitudinal beam main body (17) in the middle and a front swing arm right lower mounting box (18) at the lower end, and a right front swing arm lower mounting pipe (19) is arranged at the center position or the middle axis head end position of the front swing arm right lower mounting box (18) in a shaping mode;
A left beam reinforcing rib plate (20) is arranged from the left shaping auxiliary mounting pipe (7) to the left longitudinal beam connecting pipe (10) and then to the left front swing arm lower mounting pipe (15) for connection, a right beam reinforcing rib plate (21) is arranged from the right shaping auxiliary mounting pipe (8) to the right longitudinal beam connecting pipe (11) and then to the right front swing arm lower mounting pipe (19) for connection, or is matched with the left beam reinforcing rib plate (20), the length of the right beam reinforcing rib plate (21) and the length of the left beam reinforcing rib plate (20) are 1:1, a right inclined rib top reinforcing column (22) is arranged at the head end of the right beam reinforcing rib plate (21), and an upper beam transverse reinforcing rib plate (23) is led from the right inclined rib top reinforcing column (22) and then connected to the right shaping auxiliary mounting pipe (8);
A lower cross beam reinforcing rib plate (24) is molded between the left front swing arm lower mounting pipe (15) and the right front swing arm lower mounting pipe (19) for connection; a central reinforcing rib plate (25) is transversely formed from the left longitudinal beam connecting pipe (10) to the right longitudinal beam connecting pipe (11);
the left beam reinforcing rib plate (20) and the right beam reinforcing rib plate (21) are vertically provided with stable mounting seats (26), the left beam reinforcing rib plate (20) is connected with the lower cross beam reinforcing rib plate (24) through the stable mounting seats (26) on the left integrated longitudinal beam (3), and the right beam reinforcing rib plate (21) is connected with the lower cross beam reinforcing rib plate (24) through the stable mounting seats (26) on the right integrated longitudinal beam (4).
Preferably, the stabilizing mount (26) is a solid structure or a raised hollow structure. The stabilizer bar or the stabilizer component which needs to be installed can be used for different components, if the bearing capacity requirement is high, the stabilizer bar or the stabilizer component can be shaped into a solid or a part of the solid for detail adjustment, the adjustment can not damage the parameters of other parts, and the adjustment is very convenient.
Preferably, the right shaping auxiliary mounting pipe (8) is arranged at the central axis part of the cross beam body (2) or the front auxiliary frame main body (1), and the front suspension mounting pipe (6) is arranged at the left side of the right shaping auxiliary mounting pipe and is not arranged at the central axis part of the cross beam body (2) or the front auxiliary frame main body (1).
Preferably, a central rib plate (27) is arranged at the central position of the central reinforcing rib plate (25), the central rib plate (27) extends and shapes two central lower inclined rib plates (28) at 45 degrees to the left lower part and the right lower part, is connected to the lower cross beam reinforcing rib plate (24), separates an exhaust seat reinforcing cavity (29) from the lower cross beam reinforcing rib plate (24), and extends and shapes an upper cross beam reinforcing rib plate (38) towards the right upper inclined angle;
The exhaust seat reinforced cavity (29) is 1 triangle, an exhaust hook support (30) is arranged on the outer wall of the lower cross beam reinforced rib plate (24) at the bottom of the exhaust seat reinforced cavity (29), and the exhaust hook supports are arranged at the lower sides of two acute angles at the bottom of the exhaust seat reinforced cavity (29). The bearing load of the exhaust hook support is also a certain load of a certain lower cross beam, and in order to slow down the separate stress of the lower cross beam, an exhaust seat reinforcing cavity (29) is particularly differentiated, so that two reinforcing rib plates are simply utilized to be divided, and the structural requirement that the reinforcing rib plate in the center can be connected to the reinforcing rib plate at the bottom is met.
Preferably, the front suspension mounting pipe (6), the bottom mounting pipe (9) and the left exhaust hook bracket (30) are arranged on the same longitudinal axis. The shaping of the arrangement can perfectly divide the important maximum bearing capacity and stress part into an axis and concentrate the part on the front suspension mounting box, so that the whole structure is stronger than the prior art.
Preferably, the lower ends of the front swing arm left lower mounting box (14) and the front swing arm right lower mounting box (18) are further integrally molded and extend to be provided with an automobile body connecting seat (31), the front swing arm left lower mounting box (14) and the front swing arm right lower mounting box (18) are provided with an inner mounting cavity (32) towards the transverse outward opening, and the automobile body connecting seat (31) is of a solid structure or a groove body structure. Under the structural condition that a front swing arm left lower mounting box (14), a front swing arm right lower mounting box (18) and an automobile body connecting seat (31) are integrally arranged, the front swing arm left lower mounting box (14) and the front swing arm right lower mounting box (18) receive vibration force from an automobile body, and the vibration force can be quickly transmitted to a swing arm at the front end to reduce the vibration force so as to improve the comfort of an automobile.
Preferably, the distance between the inner wall plate (33) of the front swing arm left lower mounting box (14) and the front swing arm right lower mounting box (18) and the stable mounting seat (26) is 0cm or less than 3 cm. Such setting can be when receiving torsion about, the swing arm can be with on power transmission stabilizes mount pad (26), the stabilizer bar can guarantee its stability to because stabilize mount pad (26) if at solid setting state, the dynamics of bearing can be very high, can guarantee the high rigidity of left and right longeron structure.
Preferably, the top of the transverse reinforcing rib plate (23) of the upper cross beam is provided with a longitudinal beam reinforcing box (34) on the right side of the front suspension mounting box (5). The longitudinal beam reinforcing box can enable the upper end of the transverse beam body (2) to form a structure similar to an upper transverse beam in the prior art, and enables the force of the top to be transmitted transversely at the upper end.
Preferably, the top or the outer wall of the left front swing arm upper mounting part (12) is upwards provided with an arc-shaped claw mounting pipe (35), and a swing arm mounting seat (36) is arranged forwards, so that a structure for mounting and connecting with a vehicle body and a structure for mounting and connecting with a swing arm are provided.
preferably, the cross beam body (2) is provided with lightening holes (37) in a hollow mode around the front suspension mounting box (5). The arrangement of the lightening holes (37) is separated by various reinforcing ribs, so that lightening can be carried out in the matched cavity, the weight of the reinforcing ribs is increased, and the weight of the main beam plate body is reduced.
the top front suspension mounting box (5) of the front suspension mounting pipe (6) is preferably provided with an open groove (38), the right side of the front suspension mounting box is obliquely provided with a left box slope groove (39) to extend to the left integral longitudinal beam (3), stress is prevented from deviating to the left side as far as possible under the condition that the front suspension mounting box (5) is provided with a counterweight to deviate to the left side, and the torsion from the left integral longitudinal beam (3) is delayed, so that the transmission of the front suspension mounting box is not straight but is a longest oblique slope, and the problem that the stress transmission is not balanced because the right side is a complete straight line and the left side is shorter than the right side if the straight line is provided is solved.
as the optimal arrangement positions of the left longitudinal beam connecting pipe (10) and the right longitudinal beam connecting pipe (11), the left integral longitudinal beam (3) and the right integral longitudinal beam (4) are provided with a concave longitudinal beam central elastic groove (40) at the outer side, and the groove body mainly solves the problem that a front suspension mounting box (5) protruding the whole longitudinal beam surface is adjacent to the lower part, so that the structures of the front suspension mounting box are complementary to each other and have an S-shaped section.
By adopting the technical scheme, the invention has the beneficial effects that: 1. the integral main beam is of a torsion beam structure and is completely made of metal, particularly aluminum;
2. the main beam, the left longitudinal beam and the right longitudinal beam are connected by adopting a structure which is integrally distributed in three bodies and then separated by a honeycomb, various reinforcing rib plates formed by the honeycomb structures can form radiating ribs and can be divided by a triangular shape, a rhombic shape and a trapezoidal shape respectively, symmetrical trapezoidal shapes are adopted for dividing light-weight bearing target positions, large-range lightening holes are arranged for extremely lightening, and a part position with high load requirement is separated by a triangular shape, a zero hollow part or a few hollow parts, so that the stress bearing weight of the part can be improved, but the part formed by the honeycomb is connected by different blocks instead of a pure filling type plate structure in the prior art;
2. the self structure is provided with three independent component force weight reducing position structures, and the three independent component force weight reducing positions can be reconstructed and separated further, so that the self structure can have eight different stress areas, and the load capacity and the stress differentiation adaptability of the mass can be improved extremely through the division of the stress areas;
3. The main supporting pipe is provided with a sleeve opening which is not arranged at the center but arranged on the right side, so that a larger bearing structure is suitable for a left rudder type structure of China on the left side, in order to balance the arrangement of the structure, the main supporting pipe can directly extend into a central component force box at the head end, the main supporting pipe is supported by adopting the core differentiation capacity of a central plate, but a structure for correcting the main supporting pipe is arranged, and the left and right forces of the main supporting pipe are balanced;
4. The whole body has high elasticity and high rigidity, the longitudinal beam parts on the two sides can bear the high modal data form of a first-order modal 164Hz, the second-order modal data can reach 253Hz, and the bearing and stress differentiation capacities of a synchronous non-integral cast steel stamping structure or an iron and steel cast main beam and the like are not good.
5. the central plate adopts asymmetric structure to make the transmission of power can become central slant left side and transmit, can solve in the past before the aluminium cast the front auxiliary frame when twisting to the upper part of the body subassembly because vertical motion around all under most circumstances, the movement track that causes is too straight, so the slant differentiation of adoption, the interference of the vertical power of a plurality of subassemblies, and the subassembly that can also make the frame carry put forms each other in the form in-process and dodges the face, right side subassembly evenly distributed back, the too much subassembly of left side developments can be by the skew more towards the left side, make the distribution of power separate.
drawings
Fig. 1 is an overall system division diagram.
Fig. 2 is a structural distribution diagram of the positions of the main beam tube body and the beam column.
Fig. 3 is a side rail division view.
Fig. 4 is a partition diagram of the trapezoidal cavity combined by the reinforcing rib plates.
Fig. 5 is a force transfer diagram of the transverse central cavity at the left and right top.
FIG. 6 is a top-bottom view of the central trapezoidal cavity.
Fig. 7 is a schematic diagram of the transfer of differentiation force from the bottom cavity differentiation-enhancing front suspension mounting box to the center.
Figure 8 center beam body weight reduction configuration view.
fig. 9 is a side perspective view.
Detailed Description
The technical scheme of the invention is described in detail as the optimization by the embodiment and the attached drawings:
the shape forming in the invention mainly adopts metal shaping, in particular to the shaping of metal aluminum, the shaping and the composition of the component refer to stretching, bending and die casting, the component or the position of the component or other applications thereof, such as the connection with an automobile, and the like, are mainly the welding, the buckling, the screw connection of a screw and a bolt in the prior art and the hinged connection of a hinged piece, and the prior art is a fixed production manufacturing and process method in the technical field, if the structural component of the connection method is not directly explained in the invention, one or more of the connection methods can be adopted, and the embodiment is not repeated in the case that the structural component is known by technicians in the prior art; the terms of direction such as up, down, left, right, and the like in the present embodiment mainly refer to the matching directions in the drawings of the specification, and the terms "front", "rear", "left", "right", "upper", and "lower" refer to the directions as viewed from the drawings of the specification;
Firstly, as shown in fig. 1, the front face of the whole center body lightweight front subframe is an aluminum alloy integrally cast shape, that is, a whole integral front subframe body (1), but depending on the division of the function and function, the shaping division of the front subframe body (1) (the division area shown by the square frame in the figure) is that a central cross beam body (2) and a cross beam body (2) are integrally shaped on the left side and the right side of the center cross beam body, and a left integral longitudinal beam (3) and a right integral longitudinal beam (4) are consistent in structure, so that a similar structure of the prior art i-shaped subframe is formed; that is, the subframe has the basic functions and capabilities of the I-shaped rear subframe;
Then various assembly requirements of the rear auxiliary frame are met, as shown in fig. 2, a front suspension mounting box (5) is arranged above the top of the cross beam body (2) in a slightly left side metal die casting or casting shaping mode, the opening of the front suspension mounting box (5) faces to the top and is used for installing other assemblies such as a sleeve and the like from the opening position, a front suspension mounting pipe (6) is arranged in a shaping mode at the center position of the front suspension mounting box (5), a bottom mounting pipe (9) is arranged at the lowest end of the front suspension mounting box (5) of the front suspension mounting pipe (6) on the same longitudinal axis, the bottom mounting pipe is exactly 1 triangle, so that the triangle structure is the most stable open slot during fixing and installation, and further, the front suspension mounting box (5) at the top of the front suspension mounting pipe (6) is also provided with a front suspension mounting pipe (38), the right side of the front suspension mounting box (5) is obliquely provided with a left box slope groove (39) extending to the left integrated longitudinal beam (3), stress is prevented from deviating to the left side as much as possible under the condition that the front suspension mounting box (5) is provided with a balance weight and deviates to the left side, and torsion from the left integrated longitudinal beam (3) is delayed, so that the transmission of the front suspension mounting box is not straight but is a longest oblique slope, and the technical effect that solid stress transmission is balanced because the right side is a complete straight line, the left side is shorter than the right side if the straight line is formed, and the length of an arc line can reach the length of the straight line distance of the right side as much as possible;
The structure of the automobile chassis is characterized in that a left longitudinal beam connecting pipe (10) and a right longitudinal beam connecting pipe (11) are respectively arranged at the innermost positions of a left shaping auxiliary mounting pipe (7) and a right shaping auxiliary mounting pipe (8) on the same transverse axis of a bottom mounting pipe (9), a left longitudinal beam connecting pipe (10) and a right longitudinal beam connecting pipe (11) are matched, a left integrated longitudinal beam (3) and a right integrated longitudinal beam (4) are arranged at the outer sides of the left integrated longitudinal beam connecting pipe (10) and the right integrated longitudinal beam (11) in a matched mode, the groove body mainly solves the problem that a front suspension mounting box (5) protruding the surface of the whole longitudinal beam is closely adjacent to the lower side of the groove body, the structure of the front suspension mounting box is complementary to be S-shaped in section, the elasticity of the rear end is enhanced, the;
As shown in fig. 3, the left side and the right side are divided by three frame bodies, the left integrated longitudinal beam (3) and the right integrated longitudinal beam (4) have the same structure, the left integrated longitudinal beam (3) comprises a left front swing arm upper mounting part (12) at the top, a left longitudinal beam trunk (13) in the middle and a front swing arm left lower mounting box (14) at the lower end, and a left front swing arm lower mounting pipe (15) is arranged at the center position or the middle axis head end position of the front swing arm lower mounting box (14) in a shaping manner; the right integrated longitudinal beam (4) comprises a right front swing arm upper mounting part (16) at the top, a right longitudinal beam main body (17) in the middle and a front swing arm right lower mounting box (18) at the lower end, and a right front swing arm lower mounting pipe (19) is arranged at the center position or the middle axis head end position of the front swing arm right lower mounting box (18) in a shaping mode; the shaping structure is very compact as the situation in the figure, so that the design structure is integrated strongly, has no other redundant components, is exactly a butterfly shape and has higher left and right elasticity;
The center of the structure is a sheet structure, and the structure is completely realized by a groove box structure, the groove boxes are divided by various reinforcing rib plates, as shown in figures 4 and 5, a left beam reinforcing rib plate (20) is arranged from a left shaping auxiliary mounting pipe (7) to a left longitudinal beam connecting pipe (10) and then to a left front swing arm lower mounting pipe (15) for connection, and a right beam reinforcing rib plate (21) is arranged from a right shaping auxiliary mounting pipe (8) to a right longitudinal beam connecting pipe (11) and then to a right front swing arm lower mounting pipe (19) for connection, so that two differentiated torsion stress line plate structures are introduced from the center for transmission to form a shortest oblique structure, and the structure also has a part of functions of an oblique body beam and an S beam in the traditional technical structure; moreover, the two left beam reinforcing rib plates (20) and the right beam reinforcing rib plates (21) are just the left oblique line and the right oblique line of the trapezoid;
Or the length of the right beam reinforcing rib plate (21) is 1:1 with the length of the left beam reinforcing rib plate (20), as shown in figure 5, the head end of the right beam reinforcing rib plate (21) is provided with a right inclined rib top reinforcing column (22), and an upper beam transverse reinforcing rib plate (23) is led from the right inclined rib top reinforcing column (22) to be connected to a right shaping auxiliary mounting pipe (8), so that a trapezoidal top transverse edge is formed;
a lower cross beam reinforcing rib plate (24) is molded between the left front swing arm lower mounting pipe (15) and the right front swing arm lower mounting pipe (19) for connection to form a lower transverse edge of the trapezoidal cavity structure, and the division of the whole trapezoidal cavity structure is completed; therefore, the large cavity is further differentiated, the overall strength is increased, and a stress differentiation and transmission way is performed by four directions and eight directions, a central reinforcing rib plate (25) is transversely formed from the left longitudinal beam connecting pipe (10) to the right longitudinal beam connecting pipe (11), so that the large trapezoidal cavity is divided into an upper small trapezoidal cavity and a lower small trapezoidal cavity which are close to mirror image structures;
as shown in fig. 4, the left beam reinforcing rib plate (20) and the right beam reinforcing rib plate (21) are vertically provided with a stable mounting seat (26), the left beam reinforcing rib plate (20) and the lower cross beam reinforcing rib plate (24) are connected through the stable mounting seat (26) on the left integrated longitudinal beam (3), and the right beam reinforcing rib plate (21) and the lower cross beam reinforcing rib plate (24) are connected through the stable mounting seat (26) on the right integrated longitudinal beam (4). The stable mounting seat (26) is of a solid structure or a raised hollow structure. The stabilizer bar or the stabilizer component which needs to be installed can be used for different components, if the bearing capacity requirement is high, the stabilizer bar or the stabilizer component can be shaped into a solid or a part of the solid for detail adjustment, the adjustment can not damage the parameters of other parts, and the adjustment is very convenient.
Preferably, the right shaping auxiliary mounting pipe (8) is arranged at the central axis part of the cross beam body (2) or the front auxiliary frame main body (1), and the front suspension mounting pipe (6) is arranged at the left side of the right shaping auxiliary mounting pipe and is not arranged at the central axis part of the cross beam body (2) or the front auxiliary frame main body (1).
As shown in fig. 7, preferably, a central rib plate (27) is arranged at the central position of the central rib plate (25), the central rib plate (27) extends and shapes two central lower rib plates (28) at 45 degrees right below and left, is connected to the lower cross beam rib plate (24), and separates an exhaust seat reinforcing cavity (29) from the lower cross beam rib plate (24), and extends and shapes an upper cross beam rib plate (38) towards the upper right oblique angle; thus, as shown in fig. 7, 1 triangle shape is formed in the center, the left side and the right side are divided into a large trapezoid and two inverted small trapezoids, the 1 triangle is arranged in the center of the lower trapezoid, and a rhombic cavity structure pointing to the central rib plate (27) from the inner mounting cavity (32) is formed, and because the force component structure in the center is strongest, the damping structure needs to reduce the deviation or exert the maximum capacity as much as possible, so that the point-to-point absolute hardness is required, the transmission capacity is divided into the fastest, and the structure can preferably perform oblique transmission and support.
the exhaust seat reinforced cavity (29) is 1 triangle, an exhaust hook support (30) is arranged on the outer wall of the lower cross beam reinforced rib plate (24) at the bottom of the exhaust seat reinforced cavity (29), and the exhaust hook supports are arranged at the lower sides of two acute angles at the bottom of the exhaust seat reinforced cavity (29). The bearing load of the exhaust hook support is also a certain load of a certain lower cross beam, and in order to slow down the separate stress of the lower cross beam, an exhaust seat reinforcing cavity (29) is particularly differentiated, so that two reinforcing rib plates are simply utilized to be divided, and the structural requirement that the reinforcing rib plate in the center can be connected to the reinforcing rib plate at the bottom is met.
preferably, the front suspension mounting pipe (6), the bottom mounting pipe (9) and the left exhaust hook bracket (30) are arranged on the same longitudinal axis. The shaping of the arrangement can perfectly divide the important maximum bearing capacity and stress part into an axis and concentrate the part on the front suspension mounting box, so that the whole structure is stronger than the prior art.
preferably, the lower ends of the front swing arm left lower mounting box (14) and the front swing arm right lower mounting box (18) are further integrally molded and extend to be provided with an automobile body connecting seat (31), the front swing arm left lower mounting box (14) and the front swing arm right lower mounting box (18) are provided with an inner mounting cavity (32) towards the transverse outward opening, and the automobile body connecting seat (31) is of a solid structure or a groove body structure. Under the structural condition that a front swing arm left lower mounting box (14), a front swing arm right lower mounting box (18) and an automobile body connecting seat (31) are integrally arranged, the front swing arm left lower mounting box (14) and the front swing arm right lower mounting box (18) receive vibration force from an automobile body, and the vibration force can be quickly transmitted to a swing arm at the front end to reduce the vibration force so as to improve the comfort of an automobile.
preferably, the distance between the inner wall plate (33) of the front swing arm left lower mounting box (14) and the front swing arm right lower mounting box (18) and the stable mounting seat (26) is 0cm or less than 3 cm. Such setting can be when receiving torsion about, the swing arm can be with on power transmission stabilizes mount pad (26), the stabilizer bar can guarantee its stability to because stabilize mount pad (26) if at solid setting state, the dynamics of bearing can be very high, can guarantee the high rigidity of left and right longeron structure.
Preferably, the top of the transverse reinforcing rib plate (23) of the upper cross beam is provided with a longitudinal beam reinforcing box (34) on the right side of the front suspension mounting box (5). The longitudinal beam reinforcing box can enable the upper end of the transverse beam body (2) to form a structure similar to an upper transverse beam in the prior art, and enables the force of the top to be transmitted transversely at the upper end.
Preferably, the top or the outer wall of the left front swing arm upper mounting part (12) is upwards provided with an arc-shaped claw mounting pipe (35), and a swing arm mounting seat (36) is arranged forwards, so that a structure for mounting and connecting with a vehicle body and a structure for mounting and connecting with a swing arm are provided.
Preferably, the cross beam body (2) is provided with lightening holes (37) in a hollow mode around the front suspension mounting box (5). The arrangement of the lightening holes (37) is separated by various reinforcing ribs, so that lightening can be carried out in the matched cavity, the weight of the reinforcing ribs is increased, and the weight of the main beam plate body is reduced.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (10)
1. The utility model provides a sub vehicle frame before central authorities' main part lightweight, whole integrative cast shape, includes preceding sub vehicle frame main part (1), characterized by: the front auxiliary frame main body (1) is shaped into a cross beam body (2) at the center and the cross beam body (2) are integrally shaped at the left side and the right side of the front auxiliary frame main body, a left integrated longitudinal beam (3) and a right integrated longitudinal beam (4) which are consistent in structure, a front suspension mounting box (5) is arranged above the top of the cross beam body (2) in a shaping mode, a front suspension mounting pipe (6) is arranged in a shaping mode at the center position of the front suspension mounting box (5), a left shaping auxiliary mounting pipe (7) and a right shaping auxiliary mounting pipe (8) of the front suspension mounting pipe (6), a bottom mounting pipe (9) is arranged at the lowest end of the front suspension mounting box (5) of the front suspension mounting pipe (6) on the same longitudinal axis, a left longitudinal beam connecting pipe (10) and a right longitudinal beam connecting pipe (11) are respectively arranged at the innermost positions of the left shaping auxiliary mounting pipe (7) and the right shaping auxiliary mounting pipe (8) at the same horizontal axis position of the bottom mounting pipe (9);
The left integrated longitudinal beam (3) and the right integrated longitudinal beam (4) are consistent in structure, the left integrated longitudinal beam (3) comprises a left front swing arm upper mounting part (12) at the top, a left longitudinal beam main body (13) in the middle and a front swing arm left lower mounting box (14) at the lower end, and a left front swing arm lower mounting pipe (15) is arranged in the center position or the middle axis head end position of the front swing arm lower mounting box (14) in a shaping mode; the right integrated longitudinal beam (4) comprises a right front swing arm upper mounting part (16) at the top, a right longitudinal beam main body (17) in the middle and a front swing arm right lower mounting box (18) at the lower end, and a right front swing arm lower mounting pipe (19) is arranged at the center position or the middle axis head end position of the front swing arm right lower mounting box (18) in a shaping mode;
A left beam reinforcing rib plate (20) is arranged from the left shaping auxiliary mounting pipe (7) to the left longitudinal beam connecting pipe (10) and then to the left front swing arm lower mounting pipe (15) for connection, a right beam reinforcing rib plate (21) is arranged from the right shaping auxiliary mounting pipe (8) to the right longitudinal beam connecting pipe (11) and then to the right front swing arm lower mounting pipe (19) for connection, or is matched with the left beam reinforcing rib plate (20), the length of the right beam reinforcing rib plate (21) and the length of the left beam reinforcing rib plate (20) are 1:1, a right inclined rib top reinforcing column (22) is arranged at the head end of the right beam reinforcing rib plate (21), and an upper beam transverse reinforcing rib plate (23) is led from the right inclined rib top reinforcing column (22) and then connected to the right shaping auxiliary mounting pipe (8);
A lower cross beam reinforcing rib plate (24) is molded between the left front swing arm lower mounting pipe (15) and the right front swing arm lower mounting pipe (19) for connection; a central reinforcing rib plate (25) is transversely formed from the left longitudinal beam connecting pipe (10) to the right longitudinal beam connecting pipe (11);
The left beam reinforcing rib plate (20) and the right beam reinforcing rib plate (21) are vertically provided with stable mounting seats (26), the left beam reinforcing rib plate (20) is connected with the lower cross beam reinforcing rib plate (24) through the stable mounting seats (26) on the left integrated longitudinal beam (3), and the right beam reinforcing rib plate (21) is connected with the lower cross beam reinforcing rib plate (24) through the stable mounting seats (26) on the right integrated longitudinal beam (4).
2. a center body lightweight front subframe according to claim 1 wherein: the stable mounting seat (26) is of a solid structure or a raised hollow structure.
3. a center body lightweight front subframe according to claim 1 wherein: the right moulding auxiliary installation pipe (8) is arranged at the central axis part of the cross beam body (2) or the front auxiliary frame main body (1), the front suspension installation pipe (6) is arranged on the left side of the front moulding auxiliary installation pipe and is not arranged at the central axis part of the cross beam body (2) or the front auxiliary frame main body (1), and the cross beam body (2) is provided with lightening holes (37) around the front suspension installation box (5) in a hollow mode.
4. A center body lightweight front subframe according to claim 1 wherein: a central rib plate (27) is arranged in the central position of the central reinforcing rib plate (25), the central rib plate (27) extends and shapes two central lower inclined rib plates (28) at right 45 degrees left, right, lower and right, is connected to the lower cross beam reinforcing rib plate (24), separates an exhaust seat reinforcing cavity (29) from the lower cross beam reinforcing rib plate (24), and extends and shapes an upper cross beam reinforcing rib plate (38) towards the right upper inclined angle;
The exhaust seat reinforced cavity (29) is 1 triangle, an exhaust hook support (30) is arranged on the outer wall of the lower cross beam reinforced rib plate (24) at the bottom of the exhaust seat reinforced cavity (29), and the exhaust hook supports are arranged at the lower sides of two acute angles at the bottom of the exhaust seat reinforced cavity (29).
5. A center body lightweight front subframe according to claim 1 wherein: the front suspension mounting pipe (6), the bottom mounting pipe (9) and the exhaust hook bracket (30) arranged on the left side are arranged on the same longitudinal axis.
6. A central body lightweight front subframe according to claim 1 or 5 wherein: the top front suspension mounting box (5) of the front suspension mounting pipe (6) is also provided with an open slot (38), the right side of the front suspension mounting pipe can be obliquely provided with a left box slope groove (39) to extend to the left integral longitudinal beam (3), stress is prevented from deviating to the left side as far as possible under the condition that the front suspension mounting box (5) is provided with a counterweight to deviate to the left side, and the torsion from the left integral longitudinal beam (3) is delayed, so that the transmission of the front suspension mounting pipe is not straight but is a longest oblique slope, the problem that the right side is a complete straight line, and the stress transmission cannot be balanced if the straight line is shorter than the right side is solved.
7. A center body lightweight front subframe according to claim 1 wherein: the lower extreme of installation box (18) under preceding swing arm left side installation box (14) and preceding swing arm right side still integrative moulding extend and be provided with automobile body connecting seat (31), and installation cavity (32) in horizontal outside opening setting is gone towards in installation box (18) under preceding swing arm left side installation box (14) and the preceding swing arm right side, and automobile body connecting seat (31) are solid construction or cell body structure.
8. A central body lightweight front subframe according to claim 1 or 6 wherein: the distance between the inner wall plate (33) of the front swing arm left lower mounting box (14) and the front swing arm right lower mounting box (18) and the stable mounting seat (26) is 0cm or less than 3 cm.
9. a center body lightweight front subframe according to claim 1 wherein: the top of the transverse reinforcing rib plate (23) of the upper cross beam is provided with a longitudinal beam reinforcing box (34) on the right side of the front suspension mounting box (5).
10. a center body lightweight front subframe according to claim 1 wherein: the left longitudinal beam connecting pipe (10) and the right longitudinal beam connecting pipe (11) are provided with a left integrated longitudinal beam (3) and a right integrated longitudinal beam (4), a concave longitudinal beam central elastic groove (40) is formed in the outer side of the left integrated longitudinal beam and the right integrated longitudinal beam, the groove body mainly solves the problem that the lower close proximity is a front suspension mounting box (5) protruding the surface of the whole longitudinal beam, and the structures of the front suspension mounting box are complementary to each other and have an S-shaped section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910838910.XA CN110562324B (en) | 2019-09-05 | 2019-09-05 | Front auxiliary frame with light central main body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910838910.XA CN110562324B (en) | 2019-09-05 | 2019-09-05 | Front auxiliary frame with light central main body |
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| Publication Number | Publication Date |
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| CN110562324A true CN110562324A (en) | 2019-12-13 |
| CN110562324B CN110562324B (en) | 2024-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910838910.XA Active CN110562324B (en) | 2019-09-05 | 2019-09-05 | Front auxiliary frame with light central main body |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115140167A (en) * | 2021-03-29 | 2022-10-04 | 本田技研工业株式会社 | Auxiliary frame |
| US11987290B2 (en) | 2022-09-14 | 2024-05-21 | Caterpillar Inc. | Suspension connection weldment |
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| JP2017081226A (en) * | 2015-10-23 | 2017-05-18 | 本田技研工業株式会社 | Sub frame for vehicle |
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| CN211617864U (en) * | 2019-09-05 | 2020-10-02 | 宁波拓普汽车电子有限公司 | Auxiliary frame before main body of central authorities lightens |
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| JP2013203243A (en) * | 2012-03-28 | 2013-10-07 | Mazda Motor Corp | Front sub-frame structure |
| JP2017081226A (en) * | 2015-10-23 | 2017-05-18 | 本田技研工業株式会社 | Sub frame for vehicle |
| CN207550296U (en) * | 2017-09-21 | 2018-06-29 | 比亚迪股份有限公司 | Subframe and vehicle |
| CN108688727A (en) * | 2018-07-27 | 2018-10-23 | 北京新能源汽车股份有限公司 | Auxiliary frame and vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115140167A (en) * | 2021-03-29 | 2022-10-04 | 本田技研工业株式会社 | Auxiliary frame |
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| US11987290B2 (en) | 2022-09-14 | 2024-05-21 | Caterpillar Inc. | Suspension connection weldment |
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| CN110562324B (en) | 2024-09-06 |
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