CN213473294U - Longitudinal beam of semitrailer with modular structure - Google Patents

Abstract

The utility model discloses a modular structure semitrailer longeron, including three front longitudinal and three back longeron, the one end of three front longitudinal welds with the one end of three back longeron respectively, the other end welding of three front longitudinal has the front end roof beam, the other end welding between the three front longitudinal has the draw beam, install the towing pin on the draw beam, the fixed alternate welding of one end between the three front longitudinal has a plurality of crossbeam, the both sides of three front longitudinal and three back longeron junction are equipped with three enhancement subassembly respectively, three enhancement subassembly includes three pairs of reinforcing plate, three pairs of reinforcing plate weld respectively in the both sides of three front longitudinal and three back longeron junction, the beneficial effects of the utility model are that: the reinforcing plate through the reinforcing component can improve the strength of the welding position of the front longitudinal beam and the rear longitudinal beam, and simultaneously, the first reinforcing rib and the second reinforcing rib are matched with the first limiting shaft and the second limiting shaft respectively to play a role in secondary reinforcement.

Description

Longitudinal beam of semitrailer with modular structure

Technical Field

The utility model relates to a semitrailer longeron, in particular to modular structure semitrailer longeron belongs to semitrailer and part technical field.

Background

The common logistics transportation semitrailer in the domestic market generally comprises a container transportation semitrailer, a flat-plate semitrailer, a bin rail type semitrailer and a rail plate type semitrailer, and the semitrailers are all required to be towed by a towing structure and hung on a main trailer. The straight beam semi-trailer is a very important transport tool and plays an increasingly important role in cargo transportation.

The existing longitudinal beam of the straight beam semitrailer is integrated front and back, and is low in strength, namely an upper wing plate, a web plate and a lower wing plate of the longitudinal beam are spliced integrally or in a middle section, and the longitudinal beam is poor in strength at the variable cross section of the neck, easy to deform and incapable of reminding a driver in time when deforming, so that potential safety hazards are brought.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a modular structure semitrailer longeron to current straight beam semitrailer longeron that proposes in solving above-mentioned background is the integral type around, and intensity is low and do not possess alarming function's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a semitrailer longitudinal beam with a module structure comprises three front longitudinal beams and three rear longitudinal beams, wherein one ends of the three front longitudinal beams are respectively welded with one ends of the three rear longitudinal beams, the other ends of the three front longitudinal beams are welded with front end beams, the other ends among the three front longitudinal beams are welded with traction beams, install the towing pin on the towing beam, it is three the fixed interlude welding of one end between the front longitudinal has a plurality of crossbeam, and is three the both sides of front longitudinal and three back longeron junction are equipped with three enhancement subassembly respectively, and are three the enhancement subassembly includes three pairs of reinforcing plate, and three is right the reinforcing plate welds respectively in the both sides of three front longitudinal and three back longeron junction, and is three the one end of front longitudinal both sides and the one end of three back longeron both sides are fixed six pairs of fixed axles that are equipped with respectively, and are every right equal swing joint has buffering warning subassembly between the fixed axle.

As an optimal technical scheme of the utility model, it is three right the both ends of reinforcing plate fixed interlude respectively are connected with three to first spacing axle and three to the spacing axle of second, and three is right first spacing axle and three are interlude with the one end of three front longitudinal beam and the one end of three back longeron respectively to the spacing axle of second and are connected, and three is right the inside of reinforcing plate is inlayed respectively and is equipped with three to first strengthening rib and three to the second strengthening rib, and three is right first strengthening rib and three are established the outside of three to first spacing axle and the outside of three to the spacing axle of second to the second strengthening rib cover respectively.

As an optimal technical scheme of the utility model, every buffering warning subassembly all includes sleeve and traveller, six the one end of telescopic one end and six travellers rotates with six pairs of fixed axles respectively and alternates to be connected six the other end of traveller slides respectively and inserts six telescopic other ends.

As an optimal technical scheme of the utility model, six telescopic inside slides respectively and sets up six sliders, six the other end of traveller respectively with the middle part fixed connection of six slider avris, six the both sides side of slider is fixed respectively and is equipped with six pairs of springs, six pairs the spring contacts with the both ends of six sleeve inner walls respectively.

As an optimal technical scheme of the utility model, six there are a plurality of mechanical contact switch, one of them at the both ends of sleeve inner wall through a plurality of elasticity post fixed mounting be equipped with the alarm on the back longeron, the alarm is through parallelly connected a plurality of mechanical contact switch and vehicle mounted power electric connection.

As an optimal technical scheme of the utility model, it is three the bottom of front longitudinal beam and three back longeron junction has welded three arc respectively.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a semitrailer longitudinal beam with a modular structure, which can improve the strength of the welding part of a front longitudinal beam and a rear longitudinal beam through the reinforcing plate of a reinforcing component, can play a role of secondary reinforcement through the matching of a first reinforcing rib and a second reinforcing rib with a first limiting shaft and a second limiting shaft respectively, can still play a role of connecting and supporting when the reinforcing plate is locally broken, and can further improve the strength through an arc-shaped plate; when the deformation occurs, the buffer effect can be achieved through the elasticity of the spring, the sliding block can be driven to slide and extrude the mechanical contact switch at the corresponding position, the alarm can be automatically controlled to work when the deformation occurs through the mechanical contact switch, and a driver can be timely reminded.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the reinforcing member of the present invention;

fig. 3 is the schematic view of the sectional structure of the buffering alarm assembly of the present invention.

In the figure: 1. a front longitudinal beam; 2. a rear stringer; 3. a trailing beam; 4. a front end beam; 5. a cross beam; 6. a reinforcement assembly; 61. a reinforcing plate; 62. a first limit shaft; 63. a second limit shaft; 64. a first reinforcing rib; 65. a second reinforcing rib; 7. a fixed shaft; 8. a buffer alarm assembly; 81. a sleeve; 82. a traveler; 83. a slider; 84. a spring; 85. an elastic column; 86. a mechanical contact switch; 9. an alarm; 10. an arc-shaped plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-3, the utility model provides a semi-trailer longitudinal beam with modular structure, including three front longitudinal beam 1 and three back longeron 2, the one end of three front longitudinal beam 1 welds with the one end of three back longeron 2 respectively, the other end welding of three front longitudinal beam 1 has front end roof beam 4, the other end welding between three front longitudinal beam 1 has draw beam 3, install the towing pin on the draw beam 3, the fixed alternate welding of one end between three front longitudinal beam 1 has a plurality of crossbeam 5, the both sides of three front longitudinal beam 1 and three back longeron 2 junction are equipped with three reinforcing component 6 respectively, three reinforcing component 6 includes three pairs of reinforcing plate 61, three pairs of reinforcing plate 61 weld the both sides at three front longitudinal beam 1 and three back longeron 2 junction respectively, reinforcing plate 61 through reinforcing component 6 can improve the intensity of the welding department of front longitudinal beam 1 and back longeron 2, the one end of three front longitudinal beam 1 both sides and the one end of three back longeron 2 both The shaft 7 and the buffer alarm assembly 8 are movably connected between each pair of fixed shafts 7.

Preferably, two ends of the three pairs of reinforcing plates 61 are fixedly and alternately connected with three pairs of first limiting shafts 62 and three pairs of second limiting shafts 63 respectively, the three pairs of first limiting shafts 62 and the three pairs of second limiting shafts 63 are respectively and alternately connected with one ends of the three front longitudinal beams 1 and one ends of the three rear longitudinal beams 2, three pairs of first reinforcing ribs 64 and three pairs of second reinforcing ribs 65 are respectively embedded in the three pairs of reinforcing plates 61, the three pairs of first reinforcing ribs 64 and the three pairs of second reinforcing ribs 65 are respectively sleeved outside the three pairs of first limiting shafts 62 and outside the three pairs of second limiting shafts 63, the first reinforcing ribs 64 and the second reinforcing ribs 65 are respectively matched with the first limiting shafts 62 and the second limiting shafts 63 to play a role in secondary reinforcement, the reinforcing plates 61 can still play a role in connection and support when being locally broken, each buffer alarm assembly 8 comprises a sleeve 81 and a sliding column 82, one end of the six sleeves 81 and one end of the six sliding columns 82 are respectively and rotatably and alternately connected with the six pairs of fixing shafts 7, the other ends of the six sliding columns 82 are respectively inserted into the other ends of the six sleeves 81 in a sliding manner, so that the sliding columns 82 and the sleeves 81 can slide relatively, six sliding blocks 83 are respectively arranged in the six sleeves 81 in a sliding manner, the other ends of the six sliding columns 82 are respectively fixedly connected with the middle parts of the sides of the six sliding blocks 83, six pairs of springs 84 are respectively fixedly arranged on the two sides of the six sliding blocks 83, the six pairs of springs 84 are respectively contacted with the two ends of the inner walls of the six sleeves 81, the springs 84 can play a role of buffering and can play a role of elastic buffering and supporting when deformation occurs, a plurality of mechanical contact switches 86 are fixedly arranged at the two ends of the inner walls of the six sleeves 81 through a plurality of elastic columns 85, an alarm 9 is arranged on one rear longitudinal beam 2, the alarm 9 is electrically connected with a vehicle-mounted power supply through a plurality of mechanical contact switches 86 connected in parallel, and the alarm 9 can be automatically controlled, in time remind the navigating mate, and can prevent through elastic column 85 that mechanical contact switch 86 from damaging, three arc 10 has been welded respectively to the bottom of three front longitudinal 1 and three back longeron 2 junction, can further improve intensity through arc 10.

When the semitrailer longitudinal beam with the modular structure is used specifically, firstly, the semitrailer is connected with the tractor through the traction pin on the traction beam 3, in the using process, the strength of the welding position of the front longitudinal beam 1 and the rear longitudinal beam 2 can be improved through the reinforcing plate 61 of the reinforcing component 6, meanwhile, the strength of the welding position can be further improved through the arc-shaped plate 10 by respectively matching the first reinforcing rib 64 and the second reinforcing rib 65 with the first limiting shaft 62 and the second limiting shaft 63, the reinforcing plate 61 can still play a role of connecting and supporting when being locally broken, when the reinforcing component 6 and the arc-shaped plate 10 are both invalid, the reinforcing plate can play a role of buffering through the elasticity of the spring 84, the function of elastic buffering and supporting when being deformed is played, the potential safety hazard is reduced, when being deformed, the sliding block 83 can be driven to slide through the relative movement of the sleeve 81 or the sliding column 82, the model that slider 83 extrudees corresponding position can be D5B series's mechanical contact switch 86, can be when taking place to warp through mechanical contact switch 86 automatic control alarm 9 work, in time reminds navigating mate, and alarm 9 can set up the inside at the driver's cabin, and can be bee calling organ or pilot lamp, ensures warning effect.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A semitrailer longitudinal beam with a modular structure comprises three front longitudinal beams (1) and three rear longitudinal beams (2), and is characterized in that one end of each of the three front longitudinal beams (1) is welded with one end of each of the three rear longitudinal beams (2), the other end of each of the three front longitudinal beams (1) is welded with a front end beam (4), the other end of each of the three front longitudinal beams (1) is welded with a traction beam (3), traction pins are mounted on the traction beams (3), one end of each of the three front longitudinal beams (1) is fixedly and alternately welded with a plurality of cross beams (5), three reinforcing assemblies (6) are arranged on two sides of joints of the three front longitudinal beams (1) and the three rear longitudinal beams (2) respectively, each of the three reinforcing assemblies (6) comprises three pairs of reinforcing plates (61), and the three pairs of reinforcing plates (61) are welded on two sides of joints of the three front longitudinal beams (1) and the three rear longitudinal beams (, and one end of each of two sides of the three front longitudinal beams (1) and one end of each of two sides of the three rear longitudinal beams (2) are respectively and fixedly provided with six pairs of fixed shafts (7), and a buffering alarm assembly (8) is movably connected between each pair of fixed shafts (7).

2. A modular construction semitrailer longitudinal beam as claimed in claim 1, characterised in that: the third is right the both ends of reinforcing plate (61) are fixed interlude respectively and are connected with the three to first spacing axle (62) and the three is to spacing axle (63) of second, and the three is right first spacing axle (62) and the three is to spacing axle (63) of second alternate with the one end of three front longitudinal beam (1) and the one end of three back longeron (2) respectively and are connected, and the three is right the inside of reinforcing plate (61) is inlayed respectively and is equipped with the three and to first strengthening rib (64) and three to second strengthening rib (65), and the three is right first strengthening rib (64) and three are established respectively the cover in the three is to the outside of first spacing axle (62) and the three is to the outside of spacing axle (63) of second to second strengthening rib (65).

3. A modular construction semitrailer longitudinal beam as claimed in claim 1, characterised in that: every buffering warning subassembly (8) all include sleeve (81) and traveller (82), six the one end of sleeve (81) and the one end of six traveller (82) rotate respectively with six pairs of fixed axle (7) and alternate the connection, six the other end of traveller (82) slides respectively and inserts the other end of six sleeves (81).

4. A modular construction semitrailer longitudinal beam as claimed in claim 3, characterised in that: six the inside of sleeve (81) slides respectively and sets up six slider (83), six the other end of traveller (82) respectively with the middle part fixed connection of six slider (83) avris, six the both sides side of slider (83) is fixed respectively and is equipped with six pairs of spring (84), six pairs spring (84) contact with the both ends of six sleeve (81) inner walls respectively.

5. A modular construction semitrailer longitudinal beam as claimed in claim 4, characterized in that: six the both ends of sleeve (81) inner wall have a plurality of mechanical contact switch (86), one of them through a plurality of elastic column (85) fixed mounting be equipped with alarm (9) on back longeron (2), alarm (9) are through parallelly connected a plurality of mechanical contact switch (86) and vehicle mounted power electric connection.

6. A modular construction semitrailer longitudinal beam as claimed in claim 1, characterised in that: the bottom ends of the joints of the three front longitudinal beams (1) and the three rear longitudinal beams (2) are respectively welded with three arc-shaped plates (10).

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