CN217124929U

CN217124929U - Semitrailer frame

Info

Publication number: CN217124929U
Application number: CN202221229661.8U
Authority: CN
Inventors: 刘开德; 刘力贤; 郭恩锋
Original assignee: Shandong Wosheng Special Vehicle Manufacturing Co ltd
Current assignee: Shandong Wosheng Special Vehicle Manufacturing Co ltd
Priority date: 2022-05-19
Filing date: 2022-05-19
Publication date: 2022-08-05
Anticipated expiration: 2032-05-19

Abstract

The utility model discloses a semitrailer frame, it includes the traction plate and the bearing plate of integral type, be connected with two support longerons that are parallel to each other on the length direction of bearing plate, two support longerons set up along the central line symmetry of bearing plate, two support span have two at least supporting beam that are parallel to each other between the longeron, supporting beam intersects and is formed with two intersection points on same support longeron with the support longeron at least, the common elastic connection of per two adjacent intersection points department has a leaf spring. Can effectively burst the energy absorption through supporting the longeron, add the supporting beam who further bursts the energy absorption between supporting the longeron simultaneously, support longeron and supporting beam and set up leaf spring, leaf spring will burst the energy absorption through carrying out the atress and warp the release, leaf spring also avoids directly impacting the frame at bearing plate place, and under the combined action, can effectively avoid the damage to the frame in a long time, avoid the frame to form the crack.

Description

Semitrailer frame

Technical Field

The utility model relates to a frame especially relates to a semitrailer frame.

Background

The semi-trailer frame is an important tool in the transportation industry and is a main form of logistics for transporting large commodities at the present stage, so that the transportation safety problem of the semi-trailer frame is a problem which is widely concerned, the cracking problem of a bearing main body of a traditional semi-trailer frame is a main problem, and the cracking problem of the frame is mainly caused by the unreasonable design of the frame structure and the unreasonable matching with a damping mechanism through analysis and needs to be further optimized.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects existing in the technology, the utility model provides a semitrailer frame.

In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a semitrailer frame, it includes the traction plate and the bearing plate of integral type, be connected with two support longerons that are parallel to each other on the length direction of bearing plate, two support longerons set up along the central line symmetry of bearing plate, two support and span between the longeron have two at least support crossbeams that are parallel to each other, support crossbeam intersects and support the longeron and is formed with two intersection points on same support longeron at least, the common elastic connection of per two adjacent intersection points department has a leaf spring.

Furthermore, every two adjacent junctions are provided with a lifting lug support and a steel plate spring support, lifting lugs are connected to the lifting lug support, and a steel plate spring is arranged between the steel plate spring support and the lifting lugs.

Further, leaf spring is including being located the master slice of the top, and the master slice is flat rectangular steel sheet, and the both ends of master slice form the eye, and the one end of eye is connected on leaf spring support, and the other end of eye is connected on the lug.

Furthermore, a plurality of auxiliary pieces with different lengths are arranged below the main piece, and the main piece and the auxiliary pieces are overlapped into an inverted triangle shape from top to bottom.

Furthermore, a center of the main piece and the center of the auxiliary piece are provided with a through bolt in a penetrating way, and the lower end of the through bolt is used for being connected with an axle.

Furthermore, the number of the supporting cross beams is four, and two steel plate springs are symmetrically arranged between the intersection points formed by every two supporting cross beams and the supporting longitudinal beams.

Furthermore, the bearing plate and the supporting beam are both solid cross square tubes.

Furthermore, a plurality of inclined reinforcing oblique beams are arranged between the bearing plates of the bearing plates, triangular supports are formed among the reinforcing oblique beams, the supporting longitudinal beams and the bearing plates, and the reinforcing oblique beams on the two supporting longitudinal beams are arranged in a bilateral symmetry mode.

The utility model discloses a semitrailer frame, which provides symmetrical acting force to support a semitrailer body by symmetrically arranging support longitudinal beams as main supporting force along the central axis of a bearing plate, thus, when bumping, the support longitudinal beam can effectively collapse and absorb energy, which is very important, simultaneously add the supporting beam who further bursts to contract between the support longeron, supporting longeron and supporting beam set up leaf spring, leaf spring installs in the below of supporting longeron and supporting beam, the vertical load who bears passes through supporting longeron and the transmission of supporting beam, leaf spring will burst to contract the absorbed energy and warp the release through carrying out the atress, leaf spring also avoids the frame at direct impact bearing plate place, under the combined action, can effectively avoid the damage to the frame in the time of a long time, avoid the frame to form the crack.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a side view of the support longitudinal beam, the support cross beam and the reinforcement oblique beam of the present invention.

In the figure: 1. a traction plate; 2. a bearing plate; 3. supporting the longitudinal beam; 4. a support beam; 5. a leaf spring; 6. a lifting lug support; 7. a leaf spring support; 8. lifting lugs; 9. a master slice; 10. rolling ears; 11. a sub-sheet; 12. a feedthrough bolt; 13. and (5) reinforcing the oblique beam.

Detailed Description

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

The semitrailer frame shown in fig. 1 is a first embodiment, and comprises a traction plate 1 and a bearing plate 2 which are integrated, wherein two support longitudinal beams 3 which are parallel to each other are connected to the length direction of the bearing plate 2, the two support longitudinal beams 3 are symmetrically arranged along the central line of the bearing plate 2, two support transverse beams 4 which are parallel to each other span between the two support longitudinal beams 3, the support transverse beams 4 and the support longitudinal beams 3 are intersected and form two intersection points on the same support longitudinal beam 3, and two adjacent intersection points are jointly and elastically connected with a steel plate spring 5. Two adjacent junctions are provided with a lifting lug support 6 and a leaf spring support 7, are connected with lifting lug 8 on the lifting lug support 6, are equipped with a leaf spring 5 between leaf spring support 7 and the lifting lug 8. Leaf spring 5 is including being located the main leaf 9 of the top, and main leaf 9 is flat rectangular steel sheet, and the both ends of main leaf 9 form eye 10, and the one end of eye 10 is connected on leaf spring support 7, and the other end of eye 10 is connected on lug 8. A plurality of sub-pieces 11 with different lengths are arranged below the main piece 9, and the main piece 9 and the sub-pieces 11 are overlapped into an inverted triangle shape from top to bottom. The centers of the main piece 9 and the auxiliary piece 11 are commonly penetrated with a through bolt 12, the lower end of the through bolt 12 is used for connecting an axle, and the assembling structure and the connecting part of the leaf spring belong to the conventional design in the field.

The second embodiment, it includes the hitch plate 1 and the bearing plate 2 of integral type, be connected with two support longerons 3 that are parallel to each other on the length direction along bearing plate 2, two support longerons 3 set up along the central line symmetry of bearing plate 2, it has four supporting beam 4 that are parallel to each other to span between two support longerons 3, supporting beam 4 intersects and is formed with four intersection points on same support longeron 3 with support longeron 3, the symmetry is provided with two leaf springs 5 between the intersection point that every two supporting beam 4 and support longeron 3 formed. Every two adjacent junctions are provided with a lifting lug support 6 and a steel plate spring support 7, the lifting lug support 6 is connected with a lifting lug 8, and a steel plate spring 5 is arranged between the steel plate spring support 7 and the lifting lug 8. Leaf spring 5 is including being located the main leaf 9 of the top, and main leaf 9 is flat rectangular steel sheet, and the both ends of main leaf 9 form eye 10, and the one end of eye 10 is connected on leaf spring support 7, and the other end of eye 10 is connected on lug 8. A plurality of sub-pieces 11 with different lengths are arranged below the main piece 9, and the main piece 9 and the sub-pieces 11 are overlapped into an inverted triangle shape from top to bottom. The centers of the main plate 9 and the auxiliary plate 11 are provided with a through bolt 12, and the lower end of the through bolt 12 is used for connecting an axle.

Preferably, the utility model discloses a support longeron 3 and supporting beam 4 are solid cross side's pipe, and solid cross side's pipe is a solid square steel pipe in cross-section for the square, has the characteristics that structural strength is high.

Preferably, as shown in fig. 2, a plurality of inclined reinforcing oblique beams 13 are arranged between the bearing plates 2 of the supporting longitudinal beams 3, triangular supports are formed among the reinforcing oblique beams 13, the supporting longitudinal beams 3 and the bearing plates 2, the structural stability of the frame is further enhanced, and the reinforcing oblique beams 13 on the two supporting longitudinal beams 3 are arranged in bilateral symmetry.

The utility model discloses a principle and benefit are: the support longeron that will be as main holding power sets up along the axis symmetry of bearing plate, the effort that provides the effect symmetry goes to reach the effect of supporting the automobile body, when taking place to jolt like this, support the longeron and can effectively contract the absorbed energy, this point is very important, add the supporting beam who further contracts the absorbed energy between supporting the longeron simultaneously, support longeron and supporting beam and set up leaf spring, leaf spring installs in the below of supporting longeron and supporting beam, the vertical load who bears passes through the transmission of supporting longeron and supporting beam, leaf spring will contract the absorbed energy and warp the release through carrying out the atress, leaf spring also avoids the frame at direct impact bearing plate place, under the combined action, can effectively avoid the damage to the frame in the time of a long time, avoid the frame to form the crack.

The above embodiments are not intended to limit the present invention, and the present invention is not limited to the above examples, and the technical personnel in the technical field are in the present invention, which can also belong to the protection scope of the present invention.

Claims

1. A semitrailer frame is characterized in that: it includes the hitch plate (1) and the bearing plate (2) of integral type, be connected with two support longerons (3) that are parallel to each other on the length direction of bearing plate (2), two support longerons (3) set up along the central line symmetry of bearing plate (2), it has two at least supporting beam (4) that are parallel to each other to span between two support longerons (3), supporting beam (4) intersect and be formed with two intersection points on same support longeron (3) at least with support longeron (3), the common elastic connection of per two adjacent intersection points department has a leaf spring (5).

2. The semi-trailer frame as claimed in claim 1, characterized in that: every two adjacent junctions are provided with a lifting lug support (6) and a steel plate spring support (7), the lifting lug support (6) is connected with a lifting lug (8), and a steel plate spring (5) is arranged between the steel plate spring support (7) and the lifting lug (8).

3. The semi-trailer frame as claimed in claim 2, characterized in that: leaf spring (5) are including being located master slice (9) of the top, and master slice (9) are flat rectangular's steel sheet, and the both ends of master slice (9) form eye (10), the one end of eye (10) is connected on leaf spring support (7), and the other end of eye (10) is connected on lug (8).

4. A semi-trailer frame as claimed in claim 3, wherein: the lower part of the main sheet (9) is provided with a plurality of auxiliary sheets (11) with different lengths, and the main sheet (9) and the auxiliary sheets (11) are overlapped into an inverted triangle shape from top to bottom.

5. The semi-trailer frame of claim 4, wherein: and the centers of the main piece (9) and the auxiliary piece (11) are provided with a through bolt (12) in a penetrating way, and the lower end of the through bolt (12) is used for connecting an axle.

6. The semi-trailer frame as claimed in claim 5, wherein: the number of the supporting cross beams (4) is four, and two steel plate springs (5) are symmetrically arranged between the junction points formed by every two supporting cross beams (4) and the supporting longitudinal beams (3).

7. The semi-trailer frame as claimed in claim 6, characterized in that: the supporting longitudinal beams (3) and the supporting cross beams (4) are solid cross square tubes.

8. The semi-trailer frame as claimed in claim 7, wherein: the supporting longitudinal beam is characterized in that a plurality of inclined reinforcing oblique beams (13) are arranged between the bearing plates (2) of the supporting longitudinal beams (3), triangular supports are formed among the reinforcing oblique beams (13), the supporting longitudinal beams (3) and the bearing plates (2), and the reinforcing oblique beams (13) on the two supporting longitudinal beams (3) are arranged in a bilateral symmetry mode.