CN219029550U

CN219029550U - Steel-aluminum mixed middle-section truss structure of new energy bus

Info

Publication number: CN219029550U
Application number: CN202223335445.4U
Authority: CN
Inventors: 宿佳敏; 曹丽; 田永义; 舒增聪; 孙营; 徐仕
Original assignee: Suzhou Autek Auto Technology Co ltd
Current assignee: Suzhou Autek Auto Technology Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-05-16
Anticipated expiration: 2032-12-12

Abstract

The utility model discloses a steel-aluminum mixed middle section truss structure of a new energy bus, which comprises a plurality of aluminum profile framework bodies spliced end to end and a plurality of steel reinforcement beams penetrating through the bottoms of the aluminum profile framework bodies, wherein each aluminum profile framework body comprises a floor beam and a support beam arranged at the bottom of the floor beam, mounting grooves are formed in the bottom ends of the support beams along the length direction of the support beams, and a plurality of positioning sheets corresponding to the mounting grooves and detachably mounted on the steel reinforcement beams. The utility model realizes that the middle section truss structure is more reliable and stable by the detachable connection of the aluminum profile framework body and the steel reinforcing beam.

Description

Steel-aluminum mixed middle-section truss structure of new energy bus

Technical Field

The utility model belongs to the technical field of new energy buses, and particularly relates to a steel-aluminum mixed middle section truss structure of a new energy bus.

Background

Most parts and assemblies on the car are fixed in position through the car frame, and for a passenger car with a car body framework for bearing loads, the passenger car is called a load-bearing passenger car, a truss type car frame structure is generally adopted, the weight ratio is generally large, and at present, the truss of the passenger car is mostly of a steel section welding structure, so that the weight reduction is not facilitated, the number of parts is large, the welding precision is poor, and the process cost is high.

The prior patent number is CN201721695322.8 tourist car chassis assembly, discloses the frame and includes anterior segment frame, middle section frame and back end frame of mutual welded, and the middle section frame includes middle section truss crossbeam, a plurality of middle section truss longeron, first support stand, and second support stand. In the existing chassis assembly, one end of a middle truss beam is welded on the side wall of a first support column, and the other end of the middle truss beam is welded on the side wall of a second support column. The middle truss cross beam adopts a welding mode, so that the welding defects exist, and the process cost is high.

Disclosure of Invention

The utility model aims to solve the technical problems and provides the steel-aluminum mixed middle-section truss structure of the new energy bus, so that the aluminum profile framework body is detachably connected with the steel reinforcing beam to enable the middle-section truss structure to be more reliable and stable. In order to achieve the above purpose, the technical scheme of the utility model is as follows:

the utility model provides a new forms of energy passenger train steel aluminium mixes middle section truss structure, includes a plurality of aluminium alloy skeleton bodies that the concatenation of end to end set up and runs through a plurality of steel stiffening beams that link each aluminium alloy skeleton body bottom, the aluminium alloy skeleton body includes the floor beam and sets up in the supporting beam of floor beam bottom, the bottom of supporting beam is provided with the mounting groove of arranging along its length direction, be provided with a plurality of spacers that correspond each mounting groove demountable installation on the steel stiffening beam.

Specifically, the aluminum profile framework body further comprises a connecting beam arranged on one side of the floor beam and a connecting edge arranged on the other side of the floor beam, and the connecting edge of the aluminum profile framework body is in butt joint and detachable fixation with the connecting beam of the other aluminum profile framework body.

Specifically, the nut block component of the locating plate and the supporting beam is slidably embedded and locked in the mounting groove.

Specifically, the bottom surface both sides of floor beam are provided with the spread groove of following its length direction respectively, the spread groove is arranged with the mounting groove syntropy.

Specifically, the surface of the connecting edge is abutted against and attached to the bottom surface of the connecting beam and is fixedly connected through a self-plugging rivet.

Specifically, the supporting beam is arranged in the middle of the bottom surface of the floor beam, and the supporting beam penetrates through the inside of the floor beam and is arranged for separating the inner cavity of the floor beam.

Specifically, the bottom of mounting groove is equipped with the notch of seting up along its length direction, nut piece subassembly includes the nut piece and runs through the bolt that the nut piece set up, the nut piece articulates and sets up in the notch, be provided with the spacer of laminating mounting groove's notch on the steel stiffening beam, the bolt runs through the spacer and passes through notch lock connection nut piece.

Specifically, the locating plate horizontally extends to the surface of the steel reinforcement beam, and the surface of the steel reinforcement beam avoids the position where the bolts are assembled.

Specifically, a plurality of nut block assemblies are matched on one positioning sheet.

Compared with the prior art, the steel-aluminum mixed middle section truss structure of the new energy bus has the following main beneficial effects:

the middle section truss structure adopts a plurality of aluminum profile framework bodies which are spliced end to end, the width can be matched and adjusted according to the arrangement length of the inner space of the vehicle body, the aluminum profile framework bodies are used as floors while having a connecting function, the occupied space for paving the floors is saved, the cost is reduced, and the rapid manufacturing and the assembly are facilitated; the adjacent aluminum profile framework bodies are fixed in a riveting mode, deformation caused by welding is avoided, and the assembling precision is high; the aluminum profile framework body and the steel reinforcing beam are fixedly connected through the nut block assembly, so that the strength of the aluminum profile framework bodies after being assembled is enhanced, and the connecting structure is more stable; the aluminum profile framework body is made of aluminum materials, has the characteristic of light weight, and reduces the overall weight; the bearing structure is stable and the assembling difficulty is reduced when the bearing structure is applied between the rear axle section assembly and the side wall framework.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

fig. 2 is a schematic view of the bottom structure of the aluminum profile framework in this embodiment;

fig. 3 is a schematic diagram of the front structure of the aluminum profile skeleton in this embodiment;

fig. 4 is a schematic side view of the aluminum profile skeleton in this embodiment;

FIG. 5 is a schematic cross-sectional view of an aluminum profile skeleton and nut block assembly in this embodiment;

FIG. 6 is a schematic diagram showing another side view of an aluminum profile skeleton in the present embodiment

Fig. 7 is an assembly schematic diagram of adjacent aluminum profile frames in the present embodiment;

FIG. 8 is a partially schematic illustration of an aluminum profile framework and rear axle segment assembly in accordance with an embodiment;

the figures represent the numbers:

1 aluminum profile framework body, 11 floor beams, 12 supporting beams, 2 steel reinforcing beams, 21 positioning sheets, 3 connecting beams, 31 connecting edges, 32 connecting grooves, 33 blind rivets, 4 mounting grooves, 41 notch, 42 nut blocks, 43 bolts, 5 rear shaft section assemblies, 51 first fixing beams and 52 second fixing beams.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely, but is apparent to those skilled in the art in view of the present utility model.

Examples:

referring to fig. 1-8, the embodiment is a steel-aluminum mixed middle section truss structure of a new energy bus, which comprises a plurality of aluminum profile framework bodies 1 spliced end to end and a plurality of steel reinforcing beams 2 transversely penetrating the bottoms of the aluminum profile framework bodies 1. The aluminum profile framework 1 comprises a floor beam 11, a supporting beam 12 arranged at the bottom of the floor beam 11, a connecting beam 3 arranged on one side of the floor beam 11 and a connecting edge 31 arranged on the other side of the floor beam 11, wherein the connecting edge 31 of one aluminum profile framework 1 is detachably fixed with the connecting beam 3 of the other aluminum profile framework 1 in a leaning manner, the bottom end of the supporting beam 12 is provided with mounting grooves 4 arranged along the length direction of the supporting beam, and a plurality of positioning sheets 21 corresponding to the mounting grooves 4 in a detachable manner are arranged on the steel reinforcing beam 2. The nut block assembly of the positioning piece 21 and the supporting beam 12 is slidably inserted and locked in the installation groove 4.

In this embodiment, the floor beam 11 is a flat extrusion hollow structure, and the surface of the floor beam 11 is used as the floor of the vehicle body to play a role in bearing the inside of the vehicle body, so that the additional installation of the floor is avoided, and the assembly and production are quickened. The hollow structure of the floor beam 11 has the characteristic of light weight, and is effective in weight reduction. The surface of the floor beam 11 is a horizontal plane or an inclined plane, and the surface of the floor beam 11 of the aluminum profile framework body 1 positioned at the side is an inclined plane, so that the floor beam is convenient to be matched with the position of a vehicle body to be used as a slope design at an inlet.

The floor beam 11 is provided with the spread groove 32 along its length direction respectively in the bottom surface both sides, and spread groove 32 and mounting groove 4 syntropy are arranged, and spread groove 32 is used for the installation component equally, can assist fixed floor beam 11 according to the service condition.

The floor beam 11 is provided with a connecting beam 3 arranged along the length direction thereof on one side, and the connecting beam 3 is of a hollow square structure. The other side of the floor beam 11 is provided with a connecting edge 31 arranged along the length direction thereof, and the connecting edge 31 is of a planar plate body structure. When two adjacent aluminum profile framework bodies 1 are fixedly connected, the surface of the connecting edge 31 is abutted against the bottom surface of the connecting beam 3 and fixedly connected through a self-plugging rivet 33. The adjacent aluminum profile skeleton body 1 is simple in connection mode, the connecting edge 31 is matched with the connecting beam 3, and connection is reliable and stable.

The supporting beam 12 is disposed at the middle of the bottom surface of the floor beam 11, and the supporting beam 12 penetrates the inside of the floor beam 11 and is disposed to separate the inner cavity of the floor beam 11. The installation groove 4 is integrally connected with the support beam 12, and the bottom of the installation groove 4 is provided with a notch 41 formed along the length direction thereof, and in this embodiment, the nut block assembly includes a nut block 42 and a bolt 43 penetrating through the nut block 42. The nut block 42 is hung in the notch 41. The steel reinforcement beam 2 is provided with the locating piece 21 attached to the notch 41 of the mounting groove 4, and the bolt 43 penetrates through the locating piece 21 and locks the connecting nut block 42 through the notch 41, so that the steel reinforcement beam 2 and the support beam 12 are stably connected and matched. The locating piece 21 horizontally extends the surface of the steel reinforcement beam 2 to set up so that the surface of the steel reinforcement beam 2 avoids the position where the bolts 43 are assembled, and correspondingly, in order to improve the stability of the assembly of the locating piece 21, a plurality of nut block assemblies are matched on the locating piece 21. The support beam 12 and the steel reinforcement beam 2 are quickly assembled through the nut block assembly, and the connecting structure is stable and reliable and has lighter weight.

Two sides of the middle truss structure are provided with side wall frameworks, and two ends of the steel reinforcement beam 2 are connected with the side wall frameworks (not shown in the figure) through welding, so that errors in assembly of the aluminum profile framework bodies 1 and the steel reinforcement beam 2 are reduced.

The tip of middle section truss structure is provided with rear axle section assembly 5, and rear axle section assembly 5 includes first fixed beam 51, sets up a plurality of second fixed beams 52 in first fixed beam 51 side, forms right angle location space between first fixed beam 51 and the second fixed beam 52, and right angle location space is put up in to a plurality of floor beams 11 of middle section truss structure, and is fixed through rivet connection between floor beam 11 and the second fixed beam 52. Accordingly, the second fixed beam 52 is disposed so as to avoid the support beam 12. The middle truss structure and the rear axle segment assembly 5 can be stably and quickly assembled without welding.

When the embodiment is applied, the middle section truss structure adopts the aluminum profile framework bodies 1 which are spliced end to end, the width can be matched and adjusted according to the arrangement length of the inner space of the vehicle body, the aluminum profile framework bodies 1 are used as floors while having a connecting function, the occupied space for paving the floors is saved, the cost is reduced, and the rapid manufacturing and assembly are facilitated; the adjacent aluminum profile framework bodies 1 are fixed in a riveting mode, deformation caused by welding is avoided, and the assembling precision is high; the aluminum profile framework 1 and the steel reinforcement beam 2 are fixedly connected through the nut block assembly, so that the strength of the aluminum profile framework 1 after being assembled is enhanced, and the connecting structure is more stable; the aluminum profile framework 1 is made of aluminum, has the characteristic of light weight, and reduces the overall weight; the bearing structure is stable and the assembling difficulty is reduced when the bearing structure is applied between the rear axle segment assembly 5 and the side wall framework.

In the description of the present utility model, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present utility model are described above, the embodiments are only used for facilitating understanding of the present utility model, and are not intended to limit the present utility model. Any person skilled in the art can make any modification and variation in form and detail without departing from the spirit and scope of the present disclosure, but the scope of the present disclosure is to be determined by the appended claims.

Claims

1. A new forms of energy passenger train steel aluminium mixes middle section truss structure, its characterized in that: including a plurality of aluminium alloy skeleton bodies that the concatenation of head and the tail set up and a plurality of steel stiffening beams that run through each aluminium alloy skeleton body bottom, the aluminium alloy skeleton body includes the floor beam and sets up in the supporting beam of floor beam bottom, the bottom of supporting beam is provided with the mounting groove of arranging along its length direction, be provided with a plurality of spacers that correspond each mounting groove demountable installation on the steel stiffening beam.

2. The steel-aluminum hybrid middle truss structure of the new energy bus according to claim 1, wherein the steel-aluminum hybrid middle truss structure is characterized in that: the aluminum profile framework body further comprises a connecting beam arranged on one side of the floor beam and a connecting edge arranged on the other side of the floor beam, and the connecting edge of the aluminum profile framework body is in butt joint with the connecting beam of the other aluminum profile framework body and can be fixed in a detachable mode.

3. The steel-aluminum hybrid middle truss structure of the new energy bus according to claim 1, wherein the steel-aluminum hybrid middle truss structure is characterized in that: and the nut block component is slidably embedded in the mounting groove and locks the locating piece and the supporting beam.

4. The steel-aluminum hybrid middle truss structure of the new energy bus according to claim 1, wherein the steel-aluminum hybrid middle truss structure is characterized in that: the floor beam is characterized in that connecting grooves are respectively formed in two sides of the bottom surface of the floor beam and are arranged along the length direction of the floor beam, and the connecting grooves and the mounting grooves are arranged in the same direction.

5. The steel-aluminum hybrid middle truss structure of the new energy bus according to claim 2, wherein: the surface of the connecting edge is abutted against and attached to the bottom surface of the connecting beam and is fixedly connected through a self-plugging rivet.

6. The steel-aluminum hybrid middle truss structure of the new energy bus according to claim 1, wherein the steel-aluminum hybrid middle truss structure is characterized in that: the supporting beam is arranged in the middle of the bottom surface of the floor beam, penetrates through the inside of the floor beam and separates the inner cavity of the floor beam.

7. The steel-aluminum hybrid middle truss structure of the new energy bus according to claim 3, wherein: the bottom of mounting groove is equipped with the notch of seting up along its length direction, nut piece subassembly includes the nut piece and runs through the bolt that the nut piece set up, the nut piece articulates and sets up in the notch, be provided with the spacer of laminating mounting groove's notch on the steel stiffening beam, the bolt runs through the spacer and passes through notch lock connection nut piece.

8. The steel-aluminum hybrid middle truss structure of the new energy bus according to claim 7, wherein: the locating plate horizontally extends to be arranged on the surface of the steel reinforcement beam, and the surface of the steel reinforcement beam is away from the position where the bolts are assembled.

9. The steel-aluminum hybrid middle truss structure of the new energy bus according to claim 8, wherein: a plurality of nut block assemblies are matched on one positioning sheet.