CN115257929A - Double-front-axle vehicle-shaped combined bearing support, cross beam and vehicle frame arrangement structure - Google Patents
Double-front-axle vehicle-shaped combined bearing support, cross beam and vehicle frame arrangement structure Download PDFInfo
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- CN115257929A CN115257929A CN202210917107.7A CN202210917107A CN115257929A CN 115257929 A CN115257929 A CN 115257929A CN 202210917107 A CN202210917107 A CN 202210917107A CN 115257929 A CN115257929 A CN 115257929A
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- bearing support
- cross beam
- longitudinal beam
- frame
- mounting part
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- 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
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/02—Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only
- B60G11/10—Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only characterised by means specially adapted for attaching the spring to axle or sprung part of the vehicle
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a double-front-axle vehicle-type combined bearing support, a cross beam and a vehicle frame arrangement structure, which comprises a vehicle frame longitudinal beam, a bearing support, a lower cross beam and a middle cross beam, wherein the vehicle frame longitudinal beam comprises a left longitudinal beam, a right longitudinal beam and a reinforcing beam which are symmetrically arranged along a central plane, and the reinforcing beam is arranged on the inner sides of the left longitudinal beam and the right longitudinal beam; the bearing support comprises a left bearing support and a right bearing support, and is provided with a lifting lug mounting part, a plate spring mounting part and a lower cross beam mounting part; the end part of the lower cross beam is provided with a Y-shaped mounting structure which is arranged below the gear box and the frame longitudinal beam, and the middle cross beam is arranged behind the gear box. The invention can ensure various strength and rigidity requirements of the frame assembly on the basis of meeting the spatial arrangement of various engines and gearboxes, effectively improves the anti-torsion and anti-bending capability, further improves the overall torsion and bending rigidity of the frame assembly, and ensures the reliability of the whole vehicle.
Description
Technical Field
The invention relates to a double-front-axle vehicle-type combined bearing support, cross beam and frame arrangement structure, belonging to the technical field of commercial vehicles.
Background
In the field of commercial vehicles, the frame assembly serves as a basic structural member of the whole vehicle and bears and transfers various alternating loads inside and outside the vehicle, so that the frame must have sufficient strength and rigidity. Along with the increasing of the power of an engine of the whole vehicle, the additional functions of the gearbox are more and more increased, the appearance of the engine and the gearbox is increased, the arrangement space of the front part of the frame assembly is seriously insufficient, the strength and the torsional rigidity of the frame assembly are further insufficient, and the reliability and the transverse stability of the whole vehicle are seriously influenced especially for heavy-load double-front-axle engineering vehicle types.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a double-front-axle vehicle-type combined bearing support, a cross beam and a vehicle frame arrangement structure aiming at the defects in the prior art, so that the strength and the torsional rigidity of a vehicle frame assembly are improved.
In order to solve the technical problem, the invention provides a double-front-axle vehicle-type combined type bearing support, a cross beam and a vehicle frame arrangement structure, which comprises a vehicle frame longitudinal beam, a bearing support, a lower cross beam and a middle cross beam, wherein the vehicle frame longitudinal beam comprises a left longitudinal beam, a right longitudinal beam and a stiffening beam which are symmetrically arranged along a central plane, and the stiffening beam is arranged on the inner sides of the left longitudinal beam and the right longitudinal beam; the bearing support comprises a left bearing support and a right bearing support, and the left bearing support and the right bearing support are symmetrically arranged on the outer side of the frame longitudinal beam; the bearing support is provided with a lifting lug mounting part, a plate spring mounting part and a lower cross beam mounting part, the lifting lug mounting part and the plate spring mounting part are provided with pin shaft mounting holes, the lifting lug assembly and the plate spring assembly are fixedly connected through a pin shaft, the lower cross beam mounting part is arranged on two sides of the lifting lug mounting part, and bolt mounting holes which are uniformly distributed are formed in the bottom surface of the lower cross beam mounting part and used for fixedly connecting the lower cross beam; the end part of the lower cross beam is provided with a Y-shaped mounting structure, the Y-shaped mounting structure is provided with a plurality of bolt mounting holes, the lower cross beam is fixedly connected to the lower cross beam mounting part through bolts, the lower cross beam is arranged below the gear box and the frame longitudinal beam, and the middle cross beam is arranged behind the gear box.
The left longitudinal beam, the right longitudinal beam and the reinforcing beam are all of a Contraband type groove steel structure comprising an upper wing surface, a ventral surface and a lower wing surface, and fastening standard part mounting holes are reserved in the ventral surface and the lower wing surface.
The bearing support is also provided with a ventral surface fixing part and a lower airfoil surface fixing part, the ventral surface fixing part and the lower airfoil surface fixing part are provided with a plurality of bolt mounting holes, and the bearing support is mounted at the ventral surface and the lower airfoil surface of the frame longitudinal beam through bolts; the ventral surface fixing part and the lower airfoil surface fixing part adopt a multi-directional reinforcing rib structure and penetrate through the whole bearing support from front to back; the lifting lug installation part, the plate spring installation part and the lower cross beam installation part are arranged below the lower airfoil fixing part.
The lower cross beam is made by adopting integrated stamping, is integrally of a concave structure with two sides high and a middle low, the main body comprises a middle plane, two side vertical surfaces and an outer side reinforcing flange, the lower cross beam is combined to form a cross section structure shaped like a Chinese character ji, and the middle plane is provided with a plurality of stress holes/lightening holes.
The middle cross beam comprises a middle beam body and two side connecting pieces, the inner sides of the two side connecting pieces are connected with the middle beam body through rivets, the outer sides of the two side connecting pieces are connected with the frame longitudinal beam through bolts, and the middle beam body is of an upper arch structure.
The frame longitudinal beam, the lower cross beam, the bearing support and the middle cross beam are fixedly connected with each other through fasteners to form a three-dimensional upper, lower, front and rear closed frame structure.
Has the advantages that: the invention can ensure various strength and rigidity requirements of the frame assembly on the basis of meeting the spatial arrangement of various engines and gearboxes. The scheme that the left/right longitudinal beams of the Contraband channel steel structure are matched with the reinforcing beam can ensure the integral bending rigidity of the frame longitudinal beam. The bearing support adopts a multidirectional reinforcing rib integral structure, can effectively transmit and disperse the applied torque in all directions, and promotes the uniform stress of the frame. The lower stamping cross beam adopts a concave cross-section structure in the shape of a Chinese character 'ji', so that the overall lateral rigidity and torsional rigidity of the frame can be ensured; the middle cross beam adopts an upper arched structure, so that the torsion resistance and bending resistance can be effectively improved. The frame longitudinal beam, the bearing support, the lower cross beam and the middle cross beam are mutually connected and fixed to form a three-dimensional upper-lower-front-rear-closed frame structure, so that the overall torsion and bending rigidity of the frame assembly are further improved, and the reliability of the whole vehicle is ensured. Compared with the prior art, the invention has the advantages of excellent characteristics and progress, and the beneficial effect of the implementation is also obvious.
Drawings
FIG. 1 is a first installation diagram of the present invention;
FIG. 2 is a second installation schematic of the present invention;
FIG. 3 is a schematic view of the mounting of the load carrier and lower cross member of the present invention;
fig. 4 is a schematic structural view of the middle cross member of the present invention.
In the figure: 1. a frame rail; 2. a leaf spring assembly; 3. a lower cross beam; 4. a load bearing support; 5. a gearbox; 6. a middle cross beam; 7. a lifting lug assembly; 11. a left stringer; 12. a right longitudinal beam; 13. a reinforcing beam; 14. an upper airfoil surface; 15. ventral surface; 16. a lower airfoil surface; 31. a "Y" shaped mounting structure; 32. a middle plane; 33. vertical surfaces on both sides; 34. the outer side is reinforced and flanged; 35. stress hole/lightening hole; 41. a left support bracket; 42. a right support bracket; 43. a ventral fixation part; 44. a lower airfoil surface fixing portion; 45. a lifting lug mounting part; 46. a plate spring mounting portion; 47. a lower beam mounting section; 61. a center beam body; 62. two side connecting pieces.
Detailed Description
The invention is described in detail below with reference to the drawings and examples.
As shown in fig. 1-4, the present invention provides a double front axle vehicle-type combined load-bearing support, cross beam, frame arrangement structure, comprising a frame longitudinal beam 1, a load-bearing support 4, a lower cross beam 3 and a middle cross beam 6, wherein the frame longitudinal beam 1 comprises a left longitudinal beam 11, a right longitudinal beam 12 and a reinforcing beam 13 symmetrically arranged along a central plane, and the reinforcing beam 13 is arranged at the inner side of the left longitudinal beam and the right longitudinal beam; the bearing bracket 4 comprises a left bearing bracket 41 and a right bearing bracket 42, and the left bearing bracket 41 and the right bearing bracket 42 are symmetrically arranged at the outer side of the frame longitudinal beam 1; the bearing support 4 is provided with a lifting lug mounting part 45, a plate spring mounting part 46 and a lower cross beam mounting part 47, the lifting lug mounting part 45 and the plate spring mounting part 46 are provided with pin shaft mounting holes, the lifting lug assembly 7 and the plate spring assembly 2 are fixedly connected through pin shafts, the lower cross beam mounting part 47 is arranged on two sides of the lifting lug mounting part 45, the integral strength of the lifting lug mounting part 45 is improved while the compact structure is ensured, and bolt mounting holes which are uniformly distributed are formed in the bottom surface of the lower cross beam mounting part and are used for fixedly connecting the lower cross beam 3; the end of the lower cross beam 3 is provided with a Y-shaped mounting structure, the Y-shaped mounting structure is provided with a plurality of bolt mounting holes, the lower cross beam 3 is fixedly connected to the lower cross beam mounting portion 47 through bolts, the lower cross beam 3 is arranged below the gearbox and the frame longitudinal beam, and the middle cross beam 6 is fixedly mounted at the rear position of the gearbox in the middle of the frame longitudinal beam 1 through bolts.
The left longitudinal beam 11, the right longitudinal beam 12 and the reinforcing beam 13 are all of a 'Contraband' groove steel structure comprising an upper airfoil surface 14, a ventral surface 15 and a lower airfoil surface 16, and fastening standard part mounting holes are reserved at the ventral surface 15 and the lower airfoil surface 16.
The bearing bracket 4 is also provided with a ventral surface fixing part 43 and a lower airfoil surface fixing part 44, the ventral surface fixing part 43 and the lower airfoil surface fixing part 44 are provided with a plurality of bolt mounting holes, and the bearing bracket 4 is fixedly mounted at the ventral surface 15 and the lower airfoil surface 16 of the frame longitudinal beam 1 through bolts; the ventral surface fixing part 43 and the lower airfoil surface fixing part 44 adopt a multidirectional reinforcing rib structure, penetrate through the whole bearing support 4 from front to back, effectively transmit all-directional torque, increase the stress contact surface with the frame longitudinal beam 1, uniformly distribute and disperse load, and avoid stress concentration; the lifting lug mounting part 45, the plate spring mounting part 46 and the lower beam mounting part 47 are arranged below the lower airfoil surface fixing part. The bearing support 4 is integrated with a rear support of a first-shaft plate spring and a front support structure of a second-shaft plate spring.
The lower beam 3 is made by adopting integrated stamping, the quality and the reliability of parts are further ensured, the whole structure is of a concave structure with two sides high and middle low, the main body comprises a middle plane 32, two side vertical surfaces 33 and an outer side reinforcing flange 34, a cross section structure in a shape like a Chinese character 'ji' is formed by combination, the integral rigidity of the lower beam 3 is improved, a plurality of stress holes/lightening holes 35 are arranged on the middle plane 32, the internal stress of the lower beam is reduced, and the weight of the parts is reduced.
The middle cross beam 6 comprises a middle beam body 61 and two side connecting pieces 62, the inner sides of the two side connecting pieces 62 are connected with the middle beam body 61 through rivets, the outer sides of the two side connecting pieces are connected with the frame longitudinal beam 1 through bolts, the middle beam body 61 adopts an upper arch structure, and the torsion resistance and bending resistance of the frame are effectively guaranteed.
The frame longitudinal beam 1, the lower cross beam 3, the bearing support 4 and the middle cross beam 6 are fixedly connected with each other through fasteners to form a three-dimensional upper, lower, front and rear closed frame structure, so that the torsional rigidity and the bending rigidity of the frame assembly are further improved, and the reliability of the whole vehicle is ensured.
The invention can ensure various strength and rigidity requirements of the frame assembly on the basis of meeting the spatial arrangement of various engines and gearboxes; the left/right longitudinal beams of the Contraband' groove steel structure are matched with the reinforcing beam, so that the integral bending rigidity of the frame longitudinal beam can be ensured; the bearing support adopts a multidirectional reinforcing rib integral structure, can effectively transfer and disperse the applied torque in all directions, and promotes the uniform stress of the frame; the lower stamping cross beam adopts a concave cross section structure in a shape like a Chinese character ji, so that the overall lateral rigidity and torsional rigidity of the frame can be ensured; the middle cross beam adopts an upper arched structure, so that the torsion resistance and bending resistance can be effectively improved; the frame longitudinal beam, the bearing support, the lower cross beam and the middle cross beam are mutually connected and fixed to form a three-dimensional upper, lower, front and rear closed frame structure, the overall torsion and bending rigidity of the frame assembly are further improved, the problems of frame cracking and part damage caused by excessive torsion and bending of the whole vehicle are prevented, and the reliability of the whole vehicle is ensured.
The above-described embodiments of the invention are intended to be illustrative only and are not intended to be limiting, as all changes that come within the scope of or equivalence to the invention are intended to be embraced therein.
Claims (6)
1. The utility model provides a support, crossbeam, frame arrangement structure are born to two front axle vehicle type combination formulas which characterized in that: the frame longitudinal beam comprises a frame longitudinal beam (1), a bearing support (4), a lower cross beam (3) and a middle cross beam (6), wherein the frame longitudinal beam (1) comprises a left longitudinal beam (11), a right longitudinal beam (12) and a reinforcing beam (13) which are symmetrically arranged along a central plane, and the reinforcing beam (13) is arranged on the inner sides of the left longitudinal beam (11) and the right longitudinal beam (12); the bearing support (4) comprises a left bearing support (4) and a right bearing support (4), and the left bearing support (4) and the right bearing support (4) are symmetrically arranged on the outer side of the frame longitudinal beam (1); the bearing support (4) is provided with a lifting lug mounting part (45), a plate spring mounting part (46) and a lower cross beam mounting part (47), the lifting lug mounting part (45) and the plate spring mounting part (46) are provided with pin shaft mounting holes, a lifting lug assembly (7) and a plate spring assembly (2) are fixedly connected through pin shafts, the lower cross beam mounting part (47) is arranged on two sides of the lifting lug mounting part (45), and bolt mounting holes which are uniformly distributed are formed in the bottom surface of the lower cross beam mounting part and are used for fixedly connecting a lower cross beam (3); the end of the lower cross beam (3) is provided with a Y-shaped mounting structure, the Y-shaped mounting structure is provided with a plurality of bolt mounting holes, the lower cross beam (3) is fixedly connected to the lower cross beam mounting portion (47) through bolts, the lower cross beam (3) is arranged below the gear box (5) and the frame longitudinal beam (1), and the middle cross beam (6) is arranged behind the gear box (5).
2. The double-front-axle vehicle-type combined load-bearing support, cross member and frame arrangement structure of claim 1, wherein: the left longitudinal beam (11), the right longitudinal beam (12) and the reinforcing beam (13) are all of a Contraband type groove steel structure comprising an upper wing surface (14), a ventral surface (15) and a lower wing surface (16), and fastening standard part mounting holes are reserved in the ventral surface (15) and the lower wing surface (16).
3. The double-front-axle vehicle-type combined load-bearing support, cross member and frame arrangement structure of claim 1, wherein: the bearing support (4) is further provided with a ventral surface fixing part (43) and a lower airfoil surface fixing part (44), the ventral surface fixing part (43) and the lower airfoil surface fixing part (44) are provided with a plurality of bolt mounting holes, and the bearing support (4) is mounted on the ventral surface (15) and the lower airfoil surface (16) of the frame longitudinal beam (1) through bolts; the ventral surface fixing part (43) and the lower airfoil surface fixing part (44) adopt a multi-directional reinforcing rib structure and penetrate through the whole bearing support (4) from front to back; and the lifting lug mounting part (45), the plate spring mounting part (46) and the lower beam mounting part (47) are arranged below the lower wing surface fixing part (44).
4. The double-front-axle vehicle-type combined load-bearing support, cross member and frame arrangement structure of claim 1, wherein: the lower cross beam (3) is made by adopting integrated stamping, is integrally of a concave structure with two sides high and a middle low, and the main body comprises a middle plane (32), two side vertical surfaces (33) and an outer side reinforcing flange (34) which are combined to form a cross section structure shaped like a Chinese character 'ji', and a plurality of stress holes/lightening holes (35) are arranged on the middle plane (32).
5. The double-front-axle vehicle-type combined load-bearing support, cross member and frame arrangement structure of claim 1, wherein: the middle cross beam (6) comprises a middle beam body (61) and two side connecting pieces (62), the inner sides of the two side connecting pieces (62) are connected with the middle beam body (61) through rivets, the outer sides of the two side connecting pieces (62) are connected with the frame longitudinal beam (1) through bolts, and the middle beam body (61) is of an upper arch structure.
6. The double front axle vehicle type combined load bearing bracket, cross member, frame arrangement structure according to any one of claims 1 to 5, wherein: the frame longitudinal beam (1), the lower cross beam (3), the bearing support (4) and the middle cross beam (6) are fixedly connected with each other through fasteners to form a three-dimensional upper, lower, front and rear closed frame structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210917107.7A CN115257929A (en) | 2022-08-01 | 2022-08-01 | Double-front-axle vehicle-shaped combined bearing support, cross beam and vehicle frame arrangement structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210917107.7A CN115257929A (en) | 2022-08-01 | 2022-08-01 | Double-front-axle vehicle-shaped combined bearing support, cross beam and vehicle frame arrangement structure |
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| Publication Number | Publication Date |
|---|---|
| CN115257929A true CN115257929A (en) | 2022-11-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210917107.7A Pending CN115257929A (en) | 2022-08-01 | 2022-08-01 | Double-front-axle vehicle-shaped combined bearing support, cross beam and vehicle frame arrangement structure |
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| CN (1) | CN115257929A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115649285A (en) * | 2022-11-07 | 2023-01-31 | 阿尔特汽车技术股份有限公司 | Floor frame structure for truck and truck |
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| JP2013052740A (en) * | 2011-09-02 | 2013-03-21 | Nippon Steel & Sumitomo Metal Corp | Torsion beam, torsion beam assembly and torsion beam type suspension device |
| CN203237294U (en) * | 2013-05-27 | 2013-10-16 | 中国重汽集团济南动力有限公司 | Integrated type mud guard support assembly |
| CN204161214U (en) * | 2014-09-26 | 2015-02-18 | 中国重汽集团济南动力有限公司 | Heavy motor vehicle boarding footplate and anterior sectional shelf-unit |
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| CN207328026U (en) * | 2017-11-02 | 2018-05-08 | 中国重汽集团济南动力有限公司 | A kind of truck composite plate spring bracket |
| CN109131567A (en) * | 2018-09-28 | 2019-01-04 | 三重型装备有限公司 | Frame assembly and vehicle |
| CN210653315U (en) * | 2019-08-23 | 2020-06-02 | 上汽依维柯红岩商用车有限公司 | Frame cross beam assembly |
| CN112896317A (en) * | 2021-03-12 | 2021-06-04 | 中国重汽集团济南动力有限公司 | Short-wheelbase frame assembly and mounting method |
-
2022
- 2022-08-01 CN CN202210917107.7A patent/CN115257929A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013052740A (en) * | 2011-09-02 | 2013-03-21 | Nippon Steel & Sumitomo Metal Corp | Torsion beam, torsion beam assembly and torsion beam type suspension device |
| CN203237294U (en) * | 2013-05-27 | 2013-10-16 | 中国重汽集团济南动力有限公司 | Integrated type mud guard support assembly |
| CN204161214U (en) * | 2014-09-26 | 2015-02-18 | 中国重汽集团济南动力有限公司 | Heavy motor vehicle boarding footplate and anterior sectional shelf-unit |
| JP2016088445A (en) * | 2014-11-11 | 2016-05-23 | 日野自動車株式会社 | Frame structure of vehicle |
| CN207328026U (en) * | 2017-11-02 | 2018-05-08 | 中国重汽集团济南动力有限公司 | A kind of truck composite plate spring bracket |
| CN109131567A (en) * | 2018-09-28 | 2019-01-04 | 三重型装备有限公司 | Frame assembly and vehicle |
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| CN112896317A (en) * | 2021-03-12 | 2021-06-04 | 中国重汽集团济南动力有限公司 | Short-wheelbase frame assembly and mounting method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115649285A (en) * | 2022-11-07 | 2023-01-31 | 阿尔特汽车技术股份有限公司 | Floor frame structure for truck and truck |
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