CN208760713U - A kind of truck crossbeam - Google Patents

Abstract

The utility model discloses a kind of truck crossbeams, including beam mechanism, beam mechanism includes main beam and secondary crossbeam, main beam includes left main beam and right main beam, left main beam and right main beam are equipped with buffering connecting shaft, and two host buffer chambers are arranged on the outside of the both ends of buffering connecting shaft, and the lateral wall of main beam is equipped with two symmetrical and inclined secondary crossbeams, girder fixed plate is equipped on the outside of main beam two, the other end of secondary crossbeam is equipped with auxiliary girder fixed plate.Practical middle cross beam mechanism includes main beam and secondary crossbeam, keep beam mechanism with good stability and longitudinal loading endurance, buffering connecting shaft is equipped between left main beam and right main beam in main beam, and buffering connecting shaft both ends are equipped with buffering main spring, buffer structure between left main beam and right main beam can absorb most of impact force, reduce damage of the impact force to the injury of passenger and reduction institute's bearing goods.

Description

A kind of truck crossbeam

Technical field

The utility model relates to truck device field, specially a kind of truck crossbeam.

Background technique

The stringer and several crossbeams that the vehicle frame of truck is generally located at both sides by two form, and crossbeam is not only used to guarantee vehicle The torsion stiffness and receiving longitudinal loading of frame, but also the main component on automobile can be supported.

The section configuration of crossbeam on general truck is generally groove profile, and also some does at Z-shape or box, cylinder welding or spiral shell Bolt and the stringer on both sides are attached, and general crossbeam is directly stamped to form by low alloy steel plate, so that truck does not have side To buffer function, can directly absorb huge side impacting force when truck side is hit, and longitudinal when needing to increase Load also need to increase the setting quantity of crossbeam.

Utility model content

The purpose of this utility model is to provide a kind of truck crossbeams, to solve the problems mentioned in the above background technology.

To achieve the above object, the utility model provides the following technical solutions: a kind of truck crossbeam, including beam mechanism, The beam mechanism includes main beam and secondary crossbeam, and the main beam is cylindrical body, and main beam includes left main beam and right main cross Beam, left main beam and right main beam are concentric and arranged symmetrically, and left main beam and right main beam are equipped with buffering connecting shaft, and buffering connects Spindle is the cylindrical body concentric with main beam, and buffers connecting shaft both ends and be separately positioned in left main beam and right main beam Host buffer chamber is equipped with inside portion, left main beam and right main beam, two host buffer chambers are arranged in outside the both ends of buffering connecting shaft Side, the intracavitary portion of host buffer are equipped with buffering main spring, and the side that left main beam and right main beam are close offers symmetrical pair Cushion chamber, secondary cushion chamber inside are equipped with buffering countershaft, and buffering countershaft both ends are connect by buffering auxiliary spring with secondary cushion chamber, described Girder fixed plate is equipped on the outside of left main beam and right main beam two, the lateral wall of main beam is equipped with two symmetrical and inclined pairs Crossbeam, one end of secondary crossbeam and the outer wall of main beam connect, and the other end of secondary crossbeam is equipped with auxiliary girder fixed plate, and the girder is solid Fixed board and auxiliary girder fixed plate upper and lower surface offer longitudinal bolt hole, and the lateral surface of girder fixed plate offers lateral bolt Hole, the two sides of the beam mechanism are equipped with the stringer vertical with main beam, and the section of stringer is " recessed " shape, and stringer passes through spiral shell Bolt is engaged with longitudinal bolt hole, lateral bolt hole in girder fixed plate, and stringer passes through the lateral spiral shell on bolt and auxiliary girder fixed plate Keyhole engagement.

Preferably, the buffering connecting shaft both ends are equipped with discoid chuck, and the outer wall of chuck and host buffer chamber is interior Wall sliding contact buffers outer wall and the inner wall sliding contact of main beam internal cavities of connecting shaft.

Preferably, there are the gap of 5-10cm, institutes between two sides that the left main beam and right main beam are close If buffering countershaft is equipped with the six roots of sensation altogether, and is uniformly arranged around the axle center of buffering connecting shaft.

Preferably, the girder fixed plate upper and lower surface, which is equipped with, is all provided with there are two longitudinal bolt hole, auxiliary girder fixed plate it is upper Lower surface is equipped with a longitudinal bolt hole, and the outer surface of girder fixed plate sets that there are two lateral bolts hole.

Preferably, the section of the girder fixed plate and auxiliary girder fixed plate is " recessed " shape, and girder fixed plate and auxiliary girder are solid In the same plane, girder fixed plate and the close contact of auxiliary girder fixed plate are fastened on side rail inner recess portion to the lateral wall of fixed board, and Stringer engages connection with longitudinal bolt hole, lateral bolt hole by bolt.

Compared with prior art, the utility model has the beneficial effects that

1. a practical middle cross beam mechanism includes main beam and secondary crossbeam, secondary crossbeam tilts and main beam is symmetrically arranged in Girder fixed plate, auxiliary girder fixed plate are fixedly connected by outer wall two sides by bolt with stringer, have beam mechanism good steady Qualitative and longitudinal loading endurance；

2. being equipped with buffering connecting shaft between the left main beam and right main beam in practical middle main beam, and buffer connecting shaft Both ends are equipped with buffering main spring, and six roots of sensation buffering countershaft is uniformly provided between left main beam and right main beam, and buffering countershaft both ends are set There is buffering auxiliary spring, can guarantee truck when by lateral impact, the buffer structure energy between left main beam and right main beam Most of impact force is absorbed, damage of the impact force to the injury of passenger and reduction institute's bearing goods is reduced.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model top view；

Fig. 3 is the schematic diagram of the utility model middle cross beam mechanism；

Fig. 4 is the top view of the utility model middle cross beam mechanism；

Fig. 5 is the lateral sectional view of the utility model middle cross beam mechanism.

In figure: stringer 1, beam mechanism 2, main beam 3, left main beam 31, right main beam 32, secondary crossbeam 4, girder fixed plate 5, auxiliary girder fixed plate 6, buffering connecting shaft 7, host buffer chamber 8, buffering countershaft 9, secondary cushion chamber 10, longitudinal bolt hole 11, lateral spiral shell Keyhole 12.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-5 is please referred to, the utility model provides a kind of technical solution: a kind of truck crossbeam, including beam mechanism 2, it is horizontal Beam mechanism 2 includes main beam 3 and secondary crossbeam 4, and main beam 3 is cylindrical body, and main beam 3 includes left main beam 31 and right main beam 32, left main beam 31 and right main beam 32 are concentric and arranged symmetrically, and left main beam 31 and right main beam 32 are equipped with buffering connection Axis 7, buffering connecting shaft 7 are the cylindrical body concentric with main beam 3, and buffer 7 both ends of connecting shaft and be separately positioned on left main beam 31 and right main beam 32 inside, host buffer chamber 8 is equipped with inside left main beam 31 and right main beam 32, two host buffer chambers 8 are set It sets on the outside of the both ends of buffering connecting shaft 7, buffering main spring, left main beam 31 and right main beam 32 is equipped with inside host buffer chamber 8 The side being close offers symmetrical secondary cushion chamber 10, is equipped with buffering countershaft 9 inside secondary cushion chamber 10, buffers 9 liang of countershaft End is connect by buffering auxiliary spring with secondary cushion chamber 10, and 32 liang of outsides of left main beam 31 and right main beam are equipped with girder fixed plate 5, the lateral wall of main beam 3 is equipped with two symmetrical and inclined secondary crossbeams 4, and one end of secondary crossbeam 4 and the outer wall of main beam 3 connect It connects, the other end of secondary crossbeam 4 is equipped with auxiliary girder fixed plate 6, and girder fixed plate 5 and 6 upper and lower surface of auxiliary girder fixed plate offer Longitudinal bolt hole 11, the lateral surface of girder fixed plate 5 offer lateral bolt hole 12, and the two sides of beam mechanism 2 are equipped with and master The vertical stringer 1 of crossbeam 3, the section of stringer 1 are " recessed " shape, and stringer 1 passes through longitudinal bolt hole on bolt and girder fixed plate 5 11, lateral bolt hole 12 engages, and stringer 1 is engaged by bolt with the lateral bolt hole 12 in auxiliary girder fixed plate 6.

It buffers 7 both ends of connecting shaft and is equipped with discoid chuck, and the outer wall of chuck and the inner wall sliding of host buffer chamber 8 connect Touching, buffer connecting shaft 7 outer wall and 3 internal cavities inner wall sliding contact of main beam, prevent buffering connecting shaft 7 and main beam 3 it Between connection loosen, reduce main beam 3 carrying bending resistance；

There are the gaps of 5-10cm between two sides that left main beam 31 and right main beam 32 are close, so that working as left master When crossbeam 31 and right main beam 32 close to each other due to impact force, in the buffering main spring and secondary cushion chamber 10 in host buffer chamber 8 Buffering auxiliary spring can have an effect, set buffering countershaft 9 altogether be equipped with the six roots of sensation, and around buffering connecting shaft 7 axle center uniformly set It sets, guarantees the accurate contraposition between left main beam 31 and right main beam 32, and can increase buffer capacity；

5 upper and lower surface of girder fixed plate, which is equipped with, to be all provided with there are two longitudinal bolt hole 11, and the upper and lower surface of auxiliary girder fixed plate 6 is equal Equipped with a longitudinal bolt hole 11, the outer surface of girder fixed plate 5 is set there are two lateral bolt hole 12, and the spiral shell of all directions is arranged Keyhole is attached with stringer 1, increases stability；

The section of girder fixed plate 5 and auxiliary girder fixed plate 6 is " recessed " shape, girder fixed plate 5 and auxiliary girder fixed plate 6 it is outer In the same plane, girder fixed plate 5 and the close contact of auxiliary girder fixed plate 6 are fastened on 1 inner recess of stringer to side wall, prevent girder Cause stringer 1 and the connection of beam mechanism 2 unstable there are gap between 6 stringer 1 of fixed plate 5 and auxiliary girder fixed plate, with and 1 girder fixed plate 5 of stringer and auxiliary girder fixed plate 6 pass through bolt and engage connection with longitudinal bolt hole 11, lateral bolt hole 12.

Working principle: when this practical work, by bolt by the girder fixed plate 5 at 3 both ends of main beam and two stringers 1 into Row is fixedly connected, and the upper and lower surface of girder fixed plate 5 is equipped with longitudinal bolt hole 11, lateral surface is equipped with lateral bolt hole 12 and passes through spiral shell Bolt is attached with stringer 1, can guarantee the tightness of beam mechanism 2 Yu stringer 1, and 3 liang of walls of main beam are equipped with two inclinations and right One end of the secondary crossbeam 4 of title, secondary crossbeam 4 is connect with 3 outer wall of main beam, and the other end of secondary crossbeam 4 is equipped with auxiliary girder fixed plate 6, and It is fixedly connected by bolt with stringer 1, secondary crossbeam 4 can increase the ability to bear of the longitudinal load of beam mechanism 2, can be reduced cross The setting of beam mechanism 2；Buffering connecting shaft 7 is connected with inside left main beam 31 and right main beam 32, buffering 7 both ends of connecting shaft are set There is buffering main spring, 32 two close sides of left main beam 31 and right main beam are uniformly provided with six roots of sensation buffering countershaft 9, and buffering is secondary 9 two sides of axis are equipped with buffering auxiliary spring, when truck side is hit, so that left main beam 31 and right main beam 32 are close to each other It squeezes, buffering main spring and buffering auxiliary spring are extruded, and are reduced truck by lateral cushioning power, are reduced impact force to passenger Injury and reduce institute's bearing goods damage.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of truck crossbeam, including beam mechanism (2), it is characterised in that: the beam mechanism (2) include main beam (3) and Secondary crossbeam (4), the main beam (3) are cylindrical body, and main beam (3) includes left main beam (31) and right main beam (32), left master Crossbeam (31) and right main beam (32) are concentric and arranged symmetrically, and left main beam (31) and right main beam (32) are equipped with buffering connection Axis (7), buffering connecting shaft (7) are the cylindrical body concentric with main beam (3), and buffer connecting shaft (7) both ends and be separately positioned on Left main beam (31) and right main beam (32) are internal, are equipped with host buffer chamber inside left main beam (31) and right main beam (32) (8), two host buffer chamber (8) settings are equipped with inside host buffer chamber (8) on the outside of the both ends of buffering connecting shaft (7) and buffer main bullet The side that spring, left main beam (31) and right main beam (32) are close offers symmetrical secondary cushion chamber (10), secondary cushion chamber (10) internal to be equipped with buffering countershaft (9), buffering countershaft (9) both ends are connect by buffering auxiliary spring with secondary cushion chamber (10), described Left main beam (31) and (32) two outside of right main beam are equipped with girder fixed plate (5), and the lateral wall of main beam (3) is equipped with two Symmetrical and inclined secondary crossbeam (4), one end of secondary crossbeam (4) are connect with the outer wall of main beam (3), and other the one of secondary crossbeam (4) End is equipped with auxiliary girder fixed plate (6), and the girder fixed plate (5) and auxiliary girder fixed plate (6) upper and lower surface offer longitudinal bolt Hole (11), the lateral surface of girder fixed plate (5) offer lateral bolt hole (12), and the two sides of the beam mechanism (2) are equipped with The stringer (1) vertical with main beam (3), the section of stringer (1) are " recessed " shape, and stringer (1) passes through bolt and girder fixed plate (5) engagement of longitudinal bolt hole (11) on, lateral bolt hole (12), stringer (1) by bolt with it is lateral on auxiliary girder fixed plate (6) Bolt hole (12) engagement.

2. a kind of truck crossbeam according to claim 1, it is characterised in that: the buffering connecting shaft (7) both ends are equipped with circle The chuck of plate-like, and the inner wall sliding contact of the outer wall of chuck and host buffer chamber (8) buffer the outer wall and main cross of connecting shaft (7) Beam (3) internal cavities inner wall sliding contact.

3. a kind of truck crossbeam according to claim 1, it is characterised in that: the left main beam (31) and right main beam (32) there are the gap of 5-10cm between two sides being close, set buffering countershaft (9) is equipped with the six roots of sensation altogether, and around buffering The axle center of connecting shaft (7) is uniformly arranged.

4. a kind of truck crossbeam according to claim 1, it is characterised in that: girder fixed plate (5) upper and lower surface is set It is all provided with there are two longitudinal bolt hole (11), the upper and lower surface of auxiliary girder fixed plate (6) is equipped with a longitudinal bolt hole (11), main The outer surface of beam fixed plate (5) is set there are two lateral bolt hole (12).

5. a kind of truck crossbeam according to claim 1, it is characterised in that: the girder fixed plate (5) and auxiliary girder are fixed The section of plate (6) is " recessed " shape, and in the same plane, girder is solid for the lateral wall of girder fixed plate (5) and auxiliary girder fixed plate (6) Fixed board (5) and auxiliary girder fixed plate (6) close contact are fastened on stringer (1) inner recess, and stringer (1) passes through bolt and longitudinal spiral shell Keyhole (11), lateral bolt hole (12) engagement connection.