CN213199912U

CN213199912U - Semitrailer carriage chassis structure

Info

Publication number: CN213199912U
Application number: CN202022058472.6U
Authority: CN
Inventors: 冯兆林
Original assignee: Liangshan Hengtong Trailer Manufacturing Co ltd
Current assignee: Liangshan Hengtong Trailer Manufacturing Co ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-05-14
Anticipated expiration: 2030-09-18

Abstract

The utility model discloses a semitrailer carriage chassis structure, including the semitrailer flat board, its characterized in that, equal fixed mounting has the screens subassembly on the dull and stereotyped left and right sides lateral wall of semitrailer, the dull and stereotyped lower extreme fixed mounting of semitrailer has a plurality of spliced poles, and is a plurality of the same carrier of lower extreme fixedly connected with of spliced pole bears, bear and be equipped with a plurality of anti-falling assemblies on the flat board of semitrailer, bear and all be equipped with same strengthening mechanism on frame and every spliced pole. The utility model discloses a strengthening mechanism, preventing inclined to one side mechanism, screens subassembly, preventing the setting of weighing down the subassembly, not only can realize preliminary spacing preventing inclined to one side, can also utilize wind-force in the transportation to make the carriage bottom fixed by the absorption firmly, further prevent the carriage skew, can also improve the stability in whole carriage, reduce holistic focus, guaranteed the safety of transportation.

Description

Semitrailer carriage chassis structure

Technical Field

The utility model relates to a semitrailer transports technical field, especially relates to a semitrailer carriage chassis structure.

Background

A semitrailer is a trailer whose axle is positioned behind the center of gravity of the vehicle (when the vehicle is evenly loaded) and which is equipped with a coupling device that transmits horizontal and vertical forces to the tractor. The semitrailer is generally a three-axle semitrailer, and the semitrailer can be divided into an eleven-meter-bin-column semitrailer, a thirteen-meter-bin-column semitrailer, a low-bed semitrailer and the like, and is a heavy transport vehicle connected with a semitrailer head through a traction pin.

The current semitrailer carriage is at the in-process of transportation, and emergency brake scram can cause the carriage to break away from the original position of skew, seriously influences the safety of transportation, because load goods leads to the focus to rise moreover, and the security is not high, influences the safety of transportation and the safety of goods.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the safety transportation that has the condition that there is emergency brake scram to cause the skew of goods carriage and the too high influence goods of focus among the prior art, and the semitrailer carriage chassis structure that proposes not only can realize preliminary spacing preventing partially, can also utilize wind-force in the transportation to make the bottom of the carriage fixed by firm absorption and further prevent the carriage skew, can also improve the stability in whole carriage, reduce holistic focus, guaranteed the safety of transportation.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a semitrailer carriage chassis structure comprises a semitrailer flat plate, clamping components are fixedly mounted on the outer side walls of the left side and the right side of the semitrailer flat plate, a plurality of connecting columns are fixedly mounted at the lower end of the semitrailer flat plate, the lower ends of the connecting columns are fixedly connected with the same bearing frame, a plurality of anti-falling components are arranged on the bearing frame and the semitrailer flat plate, the same reinforcing mechanism is arranged on the bearing frame and each connecting column, supporting plates are fixedly mounted on the outer walls of the left side and the right side of the semitrailer flat plate, fixing cylinders are fixedly mounted on the two supporting plates, the same anti-deviation mechanism is arranged on the fixing cylinders and the semitrailer flat plate, not only can preliminary limiting anti-deviation be realized, but also the bottom of a carriage can be firmly adsorbed and fixed by wind power in the transportation process to, the integral gravity center is reduced, and the transportation safety is ensured.

Preferably, a plurality of reinforcing fixed cross beams and a plurality of reinforcing fixed longitudinal beams are arranged in the bearing frame, and the plurality of reinforcing fixed cross beams and the plurality of reinforcing fixed longitudinal beams are vertically arranged in an intersecting manner.

Preferably, the screens subassembly includes a plurality of spacing seats of fixed mounting on the dull and stereotyped left and right sides lateral wall of semitrailer, and is a plurality of the equal fixedly connected with stopper in upper end of spacing seat, be equipped with the magnetic sheet in the stopper, setting up of screens subassembly has realized preliminary spacing to the carriage and has prevented partially.

Preferably, the anti-falling component comprises a first mounting seat fixedly connected to the lower end of the semitrailer flat plate, a second mounting seat is fixedly mounted at the upper end of the bearing frame, the first mounting seat and the second mounting seat are fixedly connected through a same fastening chain, and the anti-falling component is arranged to avoid the support frame from falling off accidentally.

Preferably, the strengthening mechanism includes and bears the strengthening rib that the frame and spliced pole laminating set up, be equipped with the slot on the lateral wall of spliced pole, the vertical tip part of strengthening rib is equipped with the spout that two symmetries set up, sliding connection has the slider in the spout, be equipped with the constant force spring, two between the lateral wall of slider and spout the same inserted bar of slider fixedly connected with, the inserted bar is inserted and is located in the slot, and the setting of strengthening mechanism has improved the intensity and the rigidity that bear the dull and stereotyped junction of frame and semitrailer, has improved the bearing capacity of the two connection, can also store and lay article.

Preferably, the anti-deviation mechanism comprises an anti-deviation groove formed in the upper end of the flat plate of the semitrailer, a moving block is connected to the fixed cylinder in a sliding and sealing mode, a lifting rod is fixedly mounted at the upper end of the moving block and penetrates through the top surface of the fixed cylinder, a wing plate is fixedly mounted at the top end of the lifting rod, the bottom of the fixed cylinder is communicated with the anti-deviation groove, a buffer assembly is arranged in the fixed cylinder, and the anti-deviation mechanism is arranged to enable the bottom of the carriage to be firmly adsorbed and fixed by wind power in the transportation process so as to further prevent the carriage from deviating.

Preferably, the buffering component comprises two telescopic rods fixedly connected with the upper end of the moving block and the top surface of the fixed cylinder, and damping springs are sleeved on the two telescopic rods.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a setting of screens subassembly has realized preliminary spacing to the carriage and has prevented partially, and prevents that the setting of mechanism partially utilizes the wind-force in the transportation to make the carriage bottom produce the negative pressure to by the absorption of firmly fixing, further prevent the carriage skew, guaranteed the safety of transportation.

2. The utility model discloses a strengthening mechanism and the setting of preventing weighing down the subassembly have not only avoided the accident of support frame to drop, have still improved the intensity and the rigidity that bear frame and semitrailer dull and stereotyped junction, have improved the bearing capacity that the two is connected, can also store and lay article, have improved the practicality, but also have reduced holistic focus to the stability in whole carriage has been improved, the safety of transportation has further been guaranteed.

Drawings

Fig. 1 is a schematic structural view of a semitrailer carriage chassis structure provided by the utility model;

fig. 2 is a schematic side view of a semitrailer carriage underframe structure provided by the utility model;

fig. 3 is a schematic structural view of a bearing frame in the underframe structure of the semitrailer carriage provided by the present invention;

FIG. 4 is an enlarged schematic view at A in FIG. 2;

fig. 5 is an enlarged schematic view of fig. 2 at B.

In the figure: the semi-trailer comprises a semi-trailer flat plate 1, a connecting column 2, a bearing frame 3, a supporting plate 4, a fixing barrel 5, a reinforcing fixing cross beam 6, a reinforcing fixing longitudinal beam 7, a limiting seat 8, a limiting block 9, a first mounting seat 10, a second mounting seat 11, a reinforcing rib 12, a slot 13, a sliding groove 14, a constant force spring 15, an inserting rod 16, an anti-deviation groove 17, a moving block 18, a wing plate 19, a telescopic rod 20, a damping spring 21 and a tight chain 22.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-5, a semitrailer carriage chassis structure, comprising a semitrailer flat plate 1, clamping components are fixedly arranged on the outer side walls of the left side and the right side of the semitrailer flat plate 1, a plurality of connecting columns 2 are fixedly arranged at the lower end of the semitrailer flat plate 1, the lower ends of the connecting columns 2 are fixedly connected with a same bearing frame 3, articles can be stored above the bearing frame 3, the practicability is improved, a plurality of reinforcing fixed cross beams 6 and a plurality of reinforcing fixed longitudinal beams 7 are arranged in the bearing frame 3, the reinforcing fixed cross beams 6 and the reinforcing fixed longitudinal beams 7 are vertically crossed, a plurality of anti-falling components are arranged on the bearing frame 3 and the semitrailer flat plate 1, a same reinforcing mechanism is arranged on each connecting column 2, supporting plates 4 are fixedly arranged on the outer walls of the left side and the right side of the semitrailer flat plate 1, the fixed cylinder 5 and the semitrailer platform 1 are provided with the same anti-deviation mechanism.

Wherein, the screens subassembly includes a plurality of spacing seats 8 of fixed mounting on the left and right sides lateral wall of the dull and stereotyped 1 of semitrailer, and the equal fixedly connected with stopper 9 in upper end of a plurality of spacing seats 8 is equipped with the magnetic sheet in the stopper 9, and what need notice, stopper 9 offsets with the carriage and sets up, because the carriage itself makes the magnetic sheet inhale mutually with the carriage for the metal setting, has further improved spacing chucking's performance.

Wherein, prevent weighing down the subassembly and include fixed connection in the first mount pad 10 of the dull and stereotyped 1 lower extreme of semitrailer, bear the upper end fixed mounting of 3 and have second mount pad 11, through same tight chain 22 fixed connection of root on first mount pad 10 and the second mount pad 11, first mount pad 10, second mount pad 11 and chain 22 play the effect of protection, avoid bearing the unexpected of 3 and drop.

Wherein, strengthening mechanism includes the strengthening rib 12 with bear frame 3 and the laminating setting of spliced pole 2, the setting of strengthening rib 12 has improved the intensity and the rigidity of bearing frame 3 and the dull and stereotyped 1 junction of semitrailer, the bearing capacity of the two connection has been improved, be equipped with slot 13 on the lateral wall of spliced pole 2, the vertical tip of strengthening rib 12 is equipped with the spout 14 that two symmetries set up, sliding connection has the slider in the spout 14, be equipped with constant force spring 15 between the lateral wall of slider and spout 14, the same inserted bar 16 of two slider fixedly connected with, inserted bar 16 inserts and locates in slot 13, the width and the height of inserted bar 16 and slot 13 are the same, make inserted bar 16 inject and can not produce in the slot 13 and rock, and seamless.

More specifically, the anti-deviation mechanism comprises an anti-deviation groove 17 arranged at the upper end of the semitrailer flat plate 1, a moving block 18 is connected with the fixed cylinder 5 in a sliding and sealing manner, a lifting rod is fixedly arranged at the upper end of the moving block 18 and penetrates through the top surface of the fixed cylinder 5, a wing plate 19 is fixedly arranged at the top end of the lifting rod, the wing plate 19 is arranged on the Bernoulli principle, wind-force that produces at the in-process of vehicle transportation makes pterygoid lamina 19 rising movement promptly, the bottom and the anti-skewed slot 17 intercommunication setting of fixed cylinder 5, be equipped with the buffering subassembly in the fixed cylinder 5, the buffering subassembly include with movable block 18 upper end and fixed cylinder 5 top surface fixed connection's two telescopic links 20, all the cover is equipped with damping spring 21 on two telescopic links 20, damping spring 21's both ends respectively with movable block 18 upper end and fixed cylinder 5 top surface fixed connection, telescopic link 20 and damping spring 21 set up the effect that has played the reseing.

In the utility model, the reinforcing rib 12 is placed at the crossed position of the carrier 3 and the connecting column 2, the inserted rod 16 is stretched to ensure that the slide block moves in the chute 14, the constant force spring 15 is extruded, the inserted rod 16 is loosened later, the inserted rod 16 is inserted into the slot 13 under the elastic reset effect of the constant force spring 15, the width and the height of the rod 16 and the slot 13 are the same, the inserted rod 16 is inserted into the slot 13 without shaking and without gaps, then the reinforcing rib 12 is fixed, thereby the strength and the rigidity of the joint of the carrier 3 and the flat plate 1 of the semitrailer are improved, the bearing capacity of the connection of the two is improved, the arrangement of the carrier 3 not only can store articles, but also can ensure that the gravity center of the whole body is lowered, thereby the safety is improved, when emergency brake is met, the carriage is limited due to the arrangement of the limit block 9, shaking is avoided, and the magnetic attraction of the magnetic sheet and the carriage further limits the excursion of the carriage, and in the transportation process, the wing plates 19 are lifted by blowing of wind power, so that the moving block 18 is lifted in the fixed cylinder 5, the space of the moving block 18 below the fixed cylinder 5 and the anti-deviation groove 17 form a sealed space, and the moving block 18 is lifted to enable the anti-deviation groove 17 to generate negative pressure, so that the carriage is firmly adsorbed, the stability of the whole carriage is improved, and the transportation safety is further ensured.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a semitrailer carriage chassis structure, includes the semitrailer flat bed (1), its characterized in that, equal fixed mounting has the screens subassembly on the lateral wall of the left and right sides of semitrailer flat bed (1), the lower extreme fixed mounting of semitrailer flat bed (1) has a plurality of spliced poles (2), and is a plurality of the same frame (3) that bears of lower extreme fixedly connected with of spliced pole (2), bear and be equipped with a plurality of subassemblies of preventing weighing down on frame (3) and the semitrailer flat bed (1), bear and all be equipped with same enhancement mechanism on frame (3) and every spliced pole (2), equal fixed mounting has backup pad (4), two on the lateral wall of the left and right sides of semitrailer flat bed (1) the equal fixed mounting of backup pad (4) has solid fixed cylinder (5), be equipped with same inclined to one side mechanism of preventing on solid fixed cylinder.

2. The semitrailer carriage underframe structure of claim 1, characterized in that a plurality of reinforcing fixed cross beams (6) and a plurality of reinforcing fixed longitudinal beams (7) are arranged in the bearing frame (3), and the plurality of reinforcing fixed cross beams (6) and the plurality of reinforcing fixed longitudinal beams (7) are vertically arranged in an intersecting manner.

3. The semitrailer carriage underframe structure of claim 1, wherein the clamping component comprises a plurality of limiting seats (8) fixedly mounted on the outer side walls of the left side and the right side of the semitrailer platform (1), limiting blocks (9) are fixedly connected to the upper ends of the limiting seats (8), and magnetic sheets are arranged in the limiting blocks (9).

4. The semitrailer carriage chassis structure according to claim 1, characterized in that the anti-falling assembly comprises a first mounting seat (10) fixedly connected to the lower end of the semitrailer platform (1), a second mounting seat (11) is fixedly mounted at the upper end of the bearing frame (3), and the first mounting seat (10) and the second mounting seat (11) are fixedly connected through the same fastening chain (22).

5. The semitrailer carriage underframe structure of claim 1, characterized in that the reinforcing mechanism comprises a reinforcing rib (12) which is attached to the bearing frame (3) and the connecting column (2), a slot (13) is formed in the side wall of the connecting column (2), two symmetrically-arranged sliding grooves (14) are formed in the vertical end portion of the reinforcing rib (12), a sliding block is connected in the sliding groove (14), a constant force spring (15) is arranged between the sliding block and the side wall of the sliding groove (14), the two sliding blocks are fixedly connected with the same inserted rod (16), and the inserted rod (16) is inserted into the slot (13).

6. The semitrailer carriage underframe structure according to claim 1, wherein the anti-deviation mechanism comprises an anti-deviation groove (17) formed in the upper end of the semitrailer platform (1), a moving block (18) is connected to the fixed cylinder (5) in a sliding and sealing manner, a lifting rod is fixedly mounted at the upper end of the moving block (18), the lifting rod penetrates through the top surface of the fixed cylinder (5), a wing plate (19) is fixedly mounted at the top end of the lifting rod, the bottom of the fixed cylinder (5) is communicated with the anti-deviation groove (17), and a buffer assembly is arranged in the fixed cylinder (5).

7. The semitrailer carriage underframe structure of claim 6, characterized in that the buffer assembly comprises two telescopic rods (20) fixedly connected with the upper end of the moving block (18) and the top surface of the fixed cylinder (5), and a damping spring (21) is sleeved on each of the two telescopic rods (20).