CN218877395U - Front axle section structure of full-bearing passenger car frame - Google Patents

Abstract

The utility model discloses a front axle section structure of a full-load passenger car frame, which comprises a suspension system installation assembly, a passageway assembly, a wheel cover assembly, a front section assembly and a rear section assembly; the suspension system mounting assembly comprises four groups of thrust rod support mounting assemblies, two groups of air bag mounting assemblies, a stabilizer bar mounting assembly and two groups of shock absorber mounting assemblies, and the components are respectively mounted on the aisle assembly, the wheel cover assembly, the front section assembly and the rear section assembly. The utility model has the advantages of light and reasonable structure, firmness, stability, convenient assembly and the like.

Description

Front axle section structure of full-load passenger car frame

Technical Field

The utility model discloses mainly relate to vehicle technical field, refer in particular to a bear passenger train frame front axle section structure entirely.

Background

At present, a chassis frame of a passenger car generally adopts a full-bearing structure. The suspension system installing support that the frame front axle section relates to easily appears stress concentration and the inconvenient problem of assembly.

For example, the Chinese patent application (application number: 201921401637.6) discloses a front suspension structure of a chassis of a bus, which comprises a longitudinal beam, a passageway bending plate, a reinforcing angle plate, a reinforcing rib and a passageway section assembly, wherein the passageway bending plate is of a U-shaped structure, the bottom of the passageway bending plate is a plane, and two ends of the bottom of the passageway bending plate are provided with bending right angles of arc-shaped structures. This technical scheme has described a public bus chassis front overhang structure in detail, but this system does not relate to distance rod support installation component, stabilizer bar installation component and two sets of bumper shock absorbers installation component.

For example, chinese patent application (application number: 202122047984.7) discloses a front axle section frame of an electric motor coach, which comprises: the two longitudinal supporting assemblies are respectively arranged on two sides of the front axle section frame and comprise a first longitudinal beam and a second longitudinal beam which are arranged side by side along the height direction; an accommodating space is formed between the two longitudinal supporting assemblies; the plurality of transverse supporting assemblies are arranged between the two longitudinal supporting assemblies and divide the accommodating space into a first installing space and a second installing space; the lateral support assembly includes one or more cross beams. This solution describes in detail a front axle section frame of a motor coach, but the system only relates to a leaf spring suspension state frame structure.

For example, chinese patent application (application number: 201810680707. X) discloses an automobile and a frame thereof. The automobile comprises a frame, the frame comprises a frame body, the frame body comprises at least one longitudinal force transfer unit, the longitudinal force transfer unit comprises at least one cab longitudinal force transfer beam and at least one front axle longitudinal force transfer beam, and a middle force transfer beam is connected between the rear end part of the at least one cab longitudinal force transfer beam and the corresponding front axle longitudinal force transfer beam. When the automobile has high-speed collision, collision force is transmitted to the rear end part of the driving longitudinal force transmission beam from the front end of the driving longitudinal force transmission beam and then is transmitted to the front axle longitudinal force transmission beam, and then the front axle longitudinal force transmission beam transmits the collision force to other parts of the front axle frame body part, so that the front axle frame body part deforms, the collision energy is absorbed, the acceleration of the automobile is reduced, the damage of the inertia force of a driver is reduced, meanwhile, the deformation of the cab frame body part corresponding to the cab is reduced, and the living space of the driver is ensured. This solution describes in detail an automobile and its frame, but the system does not involve a thrust rod support mounting assembly, a stabilizer bar mounting assembly, two sets of shock absorber mounting assemblies and a aisle assembly.

The light-weight front axle frame comprises a front cross beam, an overlap cross beam, an upright post, a small cross beam, an arc beam, an airbag bracket, a connecting plate, a floor, a lower upright post and a rear cross beam, wherein the front cross beam, the overlap cross beam, the upright post and the small cross beam form a front section, the overlap cross beam, the upright post, the lower upright post and the rear cross beam form a rear section, and the front section and the rear section are connected into a whole through the arc beam, the connecting plate and the floor; six upright posts are welded on the front cross beam in a bilateral symmetry manner, and two lap joint cross beams are symmetrically welded above the upright posts on the left side and the right side; two rear cross beams in the rear section are arranged under the floor in a left-right through mode, six lower stand columns are symmetrically arranged between the two rear cross beams in a left-right mode, the six stand columns are symmetrically arranged on the rear cross beams in a left-right mode in the same mode corresponding to the positions of the stand columns of the front section, and two lap joint cross beams are symmetrically welded above the stand columns on the left side and the right side in the rear section. The technical scheme describes a light-weight front axle frame suitable for low-floor buses in detail, but the system does not relate to a thrust rod support mounting component, a stabilizer bar mounting component, two sets of shock absorber mounting components and a passageway assembly.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is that: to the technical problem that prior art exists, the utility model provides a bear passenger train frame front axle section structure entirely that light reasonable, firm stability, the assembly of being convenient for of structure.

In order to solve the technical problem, the utility model discloses a following technical scheme:

a front axle section structure of a full-bearing passenger car frame comprises a suspension system installation assembly, a passageway assembly, a wheel cover assembly, a front section assembly and a rear section assembly; the suspension system mounting assembly comprises four groups of thrust rod support mounting assemblies, two groups of air bag mounting assemblies, a stabilizer bar mounting assembly and two groups of shock absorber mounting assemblies, and the components are respectively mounted on the aisle assembly, the wheel cover assembly, the front section assembly and the rear section assembly.

As a further improvement of the utility model: the aisle assembly comprises a first aisle vertical plate, a second aisle vertical plate, a first aisle bottom plate and a second aisle bottom plate; and reinforcing channel steel is arranged at the first passageway vertical plate and the second passageway vertical plate, a U-shaped notch avoiding the position of the air bag is arranged on the reinforcing channel steel, and a seal of a seal plate is arranged.

As a further improvement of the utility model: and the two sets of shock absorber mounting assemblies are welded and fixed on the framework through the first passageway vertical plate and the second passageway vertical plate.

As a further improvement of the utility model: the first passageway vertical plate and the second passageway vertical plate are connected with the front section assembly and the rear section assembly and are provided with a first reinforcing plate and a second reinforcing plate, the first reinforcing plate and the second reinforcing plate are both of L-shaped structures and are both provided with first plug welding holes.

As a further improvement of the utility model: a stabilizer bar mounting assembly is arranged on the first aisle bottom plate, and the first aisle bottom plate is of a U-shaped structure; and the second passageway bottom plate is provided with a lightening hole.

As a further improvement of the utility model: the wheel casing assembly comprises a first wheel casing longitudinal beam, a second wheel casing longitudinal beam and a short longitudinal beam, and the first wheel casing longitudinal beam and the second wheel casing longitudinal beam are connected through the short longitudinal beam; the wheel cover assembly is fixedly connected with the first passageway vertical plate and the second passageway vertical plate through the second wheel cover longitudinal beam.

As a further improvement of the utility model: the first wheel casing longitudinal beam is connected with the air bag mounting assembly and is provided with a reinforcing base plate, the reinforcing base plate is of a trapezoidal structure and is provided with base plate lightening holes.

As a further improvement of the utility model: and a reinforcing angle is arranged between the first wheel casing longitudinal beam and the front section assembly and between the first wheel casing longitudinal beam and the rear section assembly.

As a further improvement of the utility model: the front section assembly comprises a first longitudinal beam, a second longitudinal beam, a third longitudinal beam, a first front upright and a second front upright; the first longitudinal beam is provided with a wire passing hole, and the first longitudinal beam is connected with the second longitudinal beam and the third longitudinal beam in a fixed connection mode through the first front upright and the second front upright.

As a further improvement of the utility model: the rear section assembly comprises a beam component, a first beam, a second beam, a first rear upright post and a second rear upright post; the beam assembly is fixedly connected with the first beam and the second beam through the first rear upright post and the second rear upright post.

As a further improvement of the utility model: the thrust rod support mounting assembly comprises a first upper thrust rod assembly, a second upper thrust rod assembly, a first lower thrust rod assembly and a second lower thrust rod assembly; the first upper thrust rod component and the second upper thrust rod component are fixedly connected with a first front upright post in the front section assembly through an upper thrust rod support base plate; and the first lower thrust rod assembly and the second lower thrust rod assembly are fixedly connected with the first longitudinal beam in the front section assembly through the lower thrust rod support cushion plate assembly.

As a further improvement of the utility model: the lower thrust rod support base plate assembly comprises a Z-shaped bending plate, a triangular reinforcing plate and a U-shaped supporting plate; and a second plug welding hole is formed in the Z-shaped bending plate.

As a further improvement of the utility model: the stabilizer bar mounting assembly comprises a first stabilizer bar mounting support, a second stabilizer bar mounting support and a stabilizer bar mounting plate; the stabilizer bar mounting panel is U type mounting panel, the U type opening size and first stabilizer bar installing support, the second stabilizer bar installing support adaptation of stabilizer bar mounting panel.

Compared with the prior art, the utility model has the advantages of just lie in:

the utility model discloses a bear passenger train frame front axle section structure entirely discloses through a new front axle section structure, and this kind of frame front axle section structure includes: the suspension system comprises a suspension system installation assembly, a passageway assembly, a wheel cover assembly, a front section assembly and a rear section assembly. The suspension system mounting assembly comprises four groups of thrust rod support mounting assemblies, two groups of air bag mounting assemblies, a stabilizer bar mounting assembly and two groups of shock absorber mounting assemblies, and all the components are respectively mounted on the aisle assembly, the wheel cover assembly, the front section assembly and the rear section assembly. The utility model discloses have sufficient intensity and rigidity and can solve stress concentration and the inconvenient problem of assembly effectively. The utility model discloses suspension system installation stress concentration problem can be effectively avoided. The structure is light, reasonable, firm, stable and convenient to assemble. Adopt the utility model discloses a after the structure, the operation safety and the reliability of whole car are high, can satisfy the lightweight and the rigidity intensity demand of passenger train frame.

Drawings

Fig. 1 is a schematic view of the structural principle of the present invention.

Fig. 2 is a schematic diagram of the principle of the structure of the present invention in a specific application example.

Fig. 3 is a schematic structural diagram of a thrust rod support mounting assembly in a specific application example of the present invention.

Fig. 4 is a schematic structural diagram of a stabilizer bar mounting assembly according to an embodiment of the present invention.

Illustration of the drawings:

1. a suspension system mounting assembly; 2. a aisle assembly; 3. a wheel cover assembly; 4. a front cross-section assembly; 5. a rear section assembly; 6. a thrust rod support mounting assembly; 7. an airbag mounting assembly; 8. a stabilizer bar mounting assembly; 9. a shock absorber mounting assembly; 10. a first aisle vertical plate; 11. a second aisle vertical plate; 12. a first aisle floor; 13. a second aisle floor; 14. reinforcing channel steel; 15. closing plates; 16. a first reinforcing plate; 17. a second reinforcing plate; 18. a first plug weld hole; 19. lightening holes; 20. a first wheel house stringer; 21. a second wheel house longitudinal beam; 22. a short stringer; 23. reinforcing the base plate; 24. a pad plate lightening hole; 25. a reinforcement angle; 26. a first longitudinal beam; 27. a second longitudinal beam; 28. a third stringer; 29. a first front pillar; 30. a second front pillar; 31. a wire passing hole; 32. a beam assembly; 33. a first cross member; 34. a second cross member; 35. a first rear pillar; 36. a second rear pillar; 37. a first upper thrust rod assembly; 38. a second upper thrust rod assembly; 39. a first lower thrust rod assembly; 40. a second lower thrust bar assembly; 41. an upper thrust rod support base plate; 42. the lower thrust rod supports the cushion plate assembly; 43. a Z-shaped bending plate; 44. a triangular reinforcing plate; 45. a U-shaped support plate; 46. a second plug weld hole; 47. a first stabilizer bar mounting support; 48. a second stabilizer bar mounting support; 49. a stabilizer bar mounting plate; 50. a third plug weld hole; 51. and a fourth plug weld hole.

Detailed Description

The invention will be described in further detail with reference to the drawings and specific examples.

As used in this disclosure and in the claims, the terms "a," "an," "the," and/or "the" are not intended to be inclusive in the singular, but rather are inclusive in the plural unless the context clearly dictates otherwise. The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Similarly, the word "comprising" or "comprises", and the like, means that the element or item preceding the word comprises the element or item listed after the word and its equivalent, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

As shown in fig. 1-4, the utility model discloses a bear passenger train frame front axle section structure entirely, include: the suspension system comprises a suspension system installation assembly 1, a passageway assembly 2, a wheel cover assembly 3, a front section assembly 4 and a rear section assembly 5; the suspension system mounting assembly 1 comprises four groups of thrust rod support mounting assemblies 6, two groups of air bag mounting assemblies 7, a stabilizer bar mounting assembly 8 and two groups of shock absorber mounting assemblies 9, and the components are respectively mounted on the aisle assembly 2, the wheel cover assembly 3, the front section assembly 4 and the rear section assembly 5. Through the above structure of the utility model, can effectively avoid suspension system installation stress concentration problem, the utility model discloses an overall structure is light reasonable, firm stable, the assembly of being convenient for. The running safety and reliability are high, and the light weight and rigidity strength requirements of the passenger car frame are met.

In a specific application example, the aisle assembly 2 comprises a first aisle riser 10 and a second aisle riser 11 which are 4mm thick, a first aisle bottom plate 12 and a second aisle bottom plate 13 which are 8mm thick; the first passageway vertical plate 10 and the second passageway vertical plate 11 are provided with reinforcing channel steel 14, the reinforcing channel steel 14 is provided with a U-shaped notch avoiding the position of the air bag, and a sealing plate 15 is arranged for sealing. The longitudinal rigidity of the frame is enhanced by the arrangement of the reinforcing channel steel 14, and meanwhile, the welding deformation of the first aisle vertical plate 10 and the second aisle vertical plate 11 is avoided.

Two sets of bumper shock absorber installation component 9 are fixed on the skeleton through first passageway riser 10 and second passageway riser 11 welded. The first passageway vertical plate 10 and the second passageway vertical plate 11 are connected with the front section assembly 4 and the rear section assembly 5 and are provided with a first reinforcing plate 16 and a second reinforcing plate 17, the first reinforcing plate 16 and the second reinforcing plate 17 are both of an L-shaped structure and are both provided with a first plug welding hole 18, and the first plug welding hole 18 is a circular plug welding hole. The stabilizer bar mounting assembly 8 is arranged on the first passageway bottom plate 12, the first passageway bottom plate 12 is of a U-shaped structure, the longitudinal rigidity is increased, and meanwhile the jumping space of the bridge is improved; the second aisle bottom plate 13 is provided with lightening holes 19, the lightening holes 19 are round lightening holes, and the lightening holes 19 achieve the purpose of lightening weight and eliminate the residual stress of welding of the aisle bottom plate 13.

In a specific application example, the wheel cover assembly 3 comprises a first wheel cover longitudinal beam 20, a second wheel cover longitudinal beam 21 and a short longitudinal beam 22, and the first wheel cover longitudinal beam 20 and the second wheel cover longitudinal beam 21 are connected through the short longitudinal beam 22; the wheel cover assembly 3 is connected with the first aisle vertical plate 10 and the second aisle vertical plate 11 in a welding mode through a second wheel cover longitudinal beam 21. The first wheel house longitudinal beam 20 is connected with the air bag mounting assembly 7 and is provided with a reinforcing base plate 23, the reinforcing base plate 23 is of a trapezoidal structure and is provided with base plate lightening holes 24, and the base plate lightening holes 24 are round lightening holes.

In a preferred embodiment, the first wheel house longitudinal beam 20 is connected with the front section assembly 4 and the rear section assembly 5 by a reinforcing angle 25, and the reinforcing cushion plate 23 and the reinforcing angle 25 are arranged to effectively avoid the stress concentration problem.

In this example, the first wheel house longitudinal beam 20 is a rectangular tube having a thickness of 3mm, a height of 50mm, and a width of 60mm, the second wheel house longitudinal beam 21 is a rectangular tube having a thickness of 2mm, a height of 30mm, and a width of 30mm, and the short longitudinal beam 22 is a rectangular tube having a thickness of 3mm, a height of 50mm, and a width of 50 mm.

In a specific application example, the front section assembly 4 includes a first longitudinal beam 26, a second longitudinal beam 27, a third longitudinal beam 28, a first front pillar 29 and a second front pillar 30; the first longitudinal beam 26 is a rectangular tube with the thickness of 4mm, the height of 80mm and the width of 60mm, the first longitudinal beam 26 is provided with a line passing hole 31, and the line passing hole 31 is an oval line passing hole. The first longitudinal member 26 is connected to the second longitudinal member 27 and the third longitudinal member 28 by welding via a first front pillar 29 and a second front pillar 30.

In the embodiment, the rear section assembly 5 includes a beam assembly 32, a first beam 33, a second beam 34, a first rear pillar 35 and a second rear pillar 36. The beam assembly 32 is connected with the first beam 33 and the second beam 34 through the first rear pillar 35 and the second rear pillar 36 by welding.

In a specific application example, the four sets of thrust rod support mounting assemblies 6 include a first upper thrust rod assembly 37, a second upper thrust rod assembly 38, a first lower thrust rod assembly 39 and a second lower thrust rod assembly 40; the first upper thrust rod assembly 37 and the second upper thrust rod assembly 38 are connected with the first front upright 30 in the front section assembly 4 through an upper thrust rod support base plate 41 in a welding manner; the first lower thrust rod assembly 39 and the second lower thrust rod assembly 40 are connected to the first longitudinal beam 26 of the front cross-section assembly 4 by a lower thrust rod support seat cushion plate assembly 42 in a welded manner.

In a specific application example, the lower thrust rod support base plate assembly 42 includes a Z-shaped bending plate 43, a triangular reinforcing plate 44 and a U-shaped support plate 45; and a second plug welding hole 46 is formed in the Z-shaped bending plate 43, and the second plug welding hole 46 is a circular plug welding hole. The Z-shaped bending plate 43 strengthens the connection between the first aisle bottom plate 12 and the front section assembly 4 while strengthening the connection between the first lower thrust rod assembly 39, the second lower thrust rod assembly 40 and the first longitudinal beam 26, effectively transfers the force at the lower thrust rod, and avoids the problem of stress concentration.

In a specific application example, the stabilizer bar mounting assembly 8 includes a first stabilizer bar mounting support 47, a second stabilizer bar mounting support 48 and a stabilizer bar mounting plate 49; stabilizer bar mounting panel 49 is U type mounting panel, stabilizer bar mounting panel 49's U type opening size and first stabilizer bar installing support 47, second stabilizer bar installing support 48 adaptation. Stabilizer bar mounting panel 49 adopts the U type mounting panel, and two stabilizer bar erection supports are fixed in integrated into one piece's U type stabilizer bar mounting panel 49, can guarantee two stabilizer bar erection supports relative position precision.

Further, a third plug welding hole 50 and a fourth plug welding hole 51 are formed in the stabilizer bar mounting plate 49; the third plug welding hole 50 is an elliptical plug welding hole, and is disposed near the first stabilizer bar mounting support 47 and the second stabilizer bar mounting support 48 to reduce the distance between a weld and the first stabilizer bar mounting support 47 and the second stabilizer bar mounting support 48.

Further, the fourth plug welding hole 51 is a circular plug welding hole, and the fourth plug welding hole 51 can increase the welding area of the stabilizer bar mounting plate 49 and has a weight reduction effect.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that various modifications and decorations can be made by those skilled in the art without departing from the principle of the present invention, and the scope of the present invention should be considered as the protection scope of the present invention.

Claims (13)

1. A front axle section structure of a full-bearing passenger car frame is characterized by comprising a suspension system installation assembly, a passageway assembly, a wheel cover assembly, a front section assembly and a rear section assembly; the suspension system mounting assembly comprises four groups of thrust rod support mounting assemblies, two groups of air bag mounting assemblies, a stabilizer bar mounting assembly and two groups of shock absorber mounting assemblies, and the components are respectively mounted on the aisle assembly, the wheel cover assembly, the front section assembly and the rear section assembly.

2. The front axle section structure of a full-capacity passenger car frame according to claim 1, wherein the aisle assembly comprises a first aisle riser, a second aisle riser, a first aisle floor, and a second aisle floor; and reinforcing channel steel is arranged at the first passageway vertical plate and the second passageway vertical plate, a U-shaped notch avoiding the position of the air bag is arranged on the reinforcing channel steel, and a seal of a seal plate is arranged.

3. The front axle section structure of a full-load passenger car frame as claimed in claim 2, wherein the two sets of shock absorber installation assemblies are welded and fixed on the framework through a first aisle vertical plate and a second aisle vertical plate.

4. The front axle section structure of a full-load passenger car frame according to claim 2, wherein the first and second vertical aisle plates are connected with the front and rear section assemblies by a first reinforcing plate and a second reinforcing plate, and the first and second reinforcing plates are both of L-shaped structures and are both provided with first plug welding holes.

5. The front axle section structure of a full-load passenger car frame according to claim 2, wherein a stabilizer bar mounting assembly is arranged on the first aisle bottom plate, and the first aisle bottom plate is of a U-shaped structure; and the second passageway bottom plate is provided with a lightening hole.

6. The front axle section structure of a full-capacity passenger car frame according to any one of claims 2-5, wherein the wheel house assembly comprises a first wheel house longitudinal beam, a second wheel house longitudinal beam and a short longitudinal beam, and the first wheel house longitudinal beam and the second wheel house longitudinal beam are connected through the short longitudinal beam; the wheel cover assembly is fixedly connected with the first passageway vertical plate and the second passageway vertical plate through the second wheel cover longitudinal beam.

7. The front axle section structure of the full-load passenger car frame according to claim 6, wherein the first wheel house longitudinal beam is connected with the airbag mounting assembly through a reinforcing base plate, the reinforcing base plate is of a trapezoidal structure, and base plate lightening holes are formed in the reinforcing base plate.

8. The front axle section structure of a full-load passenger car frame according to claim 7, wherein the connection of the first wheel house longitudinal beam with the front section assembly and the rear section assembly is provided with a reinforced angle.

9. The front axle section structure of a full-capacity passenger car frame according to any one of claims 1 to 5, wherein the front section assembly comprises a first longitudinal beam, a second longitudinal beam, a third longitudinal beam, a first front pillar and a second front pillar; the first longitudinal beam is provided with a wire passing hole, and the first longitudinal beam is connected with the second longitudinal beam and the third longitudinal beam in a fixedly connected mode through the first front upright post and the second front upright post.

10. The front axle section structure of a full-capacity passenger car frame according to any one of claims 1 to 5, wherein the rear section assembly comprises a cross member assembly, a first cross member, a second cross member, a first rear pillar and a second rear pillar; the beam assembly is connected with the first beam and the second beam in a fixedly connected mode through the first rear upright post and the second rear upright post.

11. The front axle section structure of a full-capacity passenger car frame according to any one of claims 1-5, wherein the thrust rod support mounting assembly comprises a first upper thrust rod assembly, a second upper thrust rod assembly, a first lower thrust rod assembly and a second lower thrust rod assembly; the first upper thrust rod component and the second upper thrust rod component are fixedly connected with a first front upright post in the front section assembly through an upper thrust rod support base plate; and the first lower thrust rod assembly and the second lower thrust rod assembly are fixedly connected with the first longitudinal beam in the front section assembly through the lower thrust rod support cushion plate assembly.

12. The front axle section structure of a full-load passenger car frame according to claim 11, wherein the lower thrust bar support base plate assembly comprises a Z-shaped bent plate, a triangular reinforcing plate and a U-shaped supporting plate; and a second plug welding hole is formed in the Z-shaped bending plate.

13. The front axle section structure of a full-load passenger car frame according to any one of claims 1-5, wherein the stabilizer bar mounting assembly comprises a first stabilizer bar mounting support, a second stabilizer bar mounting support and a stabilizer bar mounting plate; the stabilizer bar mounting panel is U type mounting panel, the U type opening size and first stabilizer bar installing support, the adaptation of second stabilizer bar installing support of stabilizer bar mounting panel.

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