CN221137472U - Buffering and damping structure of flat-bed semitrailer - Google Patents

Abstract

The utility model discloses a buffering and damping structure of a flat-bed semitrailer, which comprises a semitrailer flat bed, an axle and an auxiliary buffering mechanism, wherein two connecting sleeves are symmetrically and fixedly sleeved on the axle, and fixing rings are fixedly connected to the opposite sides of the two connecting sleeves. According to the utility model, the two sliding sleeves can be driven to move oppositely through the semitrailer flat plate and the connecting rod and compress the second buffer spring, the second buffer spring can play a role in buffering the semitrailer flat plate and the goods, meanwhile, the push plate can be driven to move through the push rod and compress the first buffer spring, and the first buffer spring liquid can play a role in buffering the semitrailer flat plate and the goods; meanwhile, the damper and the third buffer spring can be downwards extruded through the mounting plate, the support column and the sliding plate, the damper can absorb energy generated by vibration, and the third buffer spring can play a role in buffering a semitrailer flat plate and goods, so that the goods are prevented from being damaged due to severe vibration, and the quality of the goods is improved.

Description

Buffering and damping structure of flat-bed semitrailer

Technical Field

The utility model relates to the technical field of flat-bed semi-trailers, in particular to a buffering and damping structure of a flat-bed semi-trailer.

Background

A semitrailer is a trailer in which the axle is placed behind the center of gravity of the vehicle (when the vehicle is evenly loaded) and is equipped with hitch devices that can transfer horizontal and vertical forces to the tractor. The semi-trailer is a three-axle semi-trailer, and the types of the semi-trailer are classified into eleven meter bin semi-trailer, thirteen meter bin semi-trailer, low-bed semi-trailer and the like. Is a heavy transportation vehicle connected with a semitrailer head through a traction pin.

When the existing semitrailer loaded goods run on uneven road surfaces, severe jolting is easy to generate, and the goods are damaged, so that the quality of the goods is reduced.

Aiming at the problems, we propose a buffering and damping structure of a flat-bed semitrailer.

Disclosure of utility model

The utility model aims to solve the defect that the conventional semitrailer is easy to generate severe jolt when the loaded goods travel on an uneven road surface, so that the goods are damaged and the quality of the goods is reduced, and provides a buffering and damping structure of a flat semitrailer.

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

The utility model provides a flat-bed semitrailer buffering shock-absorbing structure, includes semitrailer flat-bed, axletree and auxiliary buffer mechanism, two adapter sleeve have been cup jointed to the symmetry on the axletree fixedly, two equal fixedly connected with solid fixed ring of one side opposite to the adapter sleeve, two sliding sleeves have been cup jointed to the symmetry on the axletree, every equal symmetry has offered two first cavitys in the sliding sleeve, every equal sliding connection has the push pedal on the inner wall of first cavity, every equal fixedly connected with first buffer spring of one side opposite to the push pedal, every equal fixedly connected with push rod of one side opposite to the push pedal, every the other end of push rod all runs through first cavity and fixedly connected with on solid fixed ring's lateral wall, every all rotate on the lateral wall of sliding sleeve and be connected with the connecting rod, every the other end of connecting rod all rotates to be connected on the dull and stereotyped lower terminal surface of semitrailer.

Preferably, the auxiliary buffer mechanism comprises two fixed blocks, each fixed block is fixedly connected to the upper end face of the connecting sleeve, each fixed block is internally provided with a second cavity, each inner wall of the second cavity is symmetrically and fixedly connected with two dampers, each two upper ends of the dampers are fixedly connected with a sliding plate together, each upper end of the sliding plate is fixedly connected with a supporting column, and each upper end of the supporting column penetrates through the second cavity and is fixedly connected with a mounting plate.

Preferably, the two sliding plates are both connected to the inner wall of the second cavity in a sliding manner, and the two supporting columns are both connected to the inner wall of the fixed block in a sliding manner.

Preferably, the support columns are sleeved with third buffer springs, and two ends of each third buffer spring are fixedly connected to the upper end face of the fixing block and the lower end face of the mounting plate respectively.

Preferably, a plurality of push rods are sleeved with second buffer springs, and two ends of each second buffer spring are fixedly connected to the side wall of the fixed ring and the side wall of the sliding sleeve respectively.

Preferably, the push rods are all in sliding connection in the inner wall of the sliding sleeve, and the two mounting plates are all fixedly mounted on the lower end face of the semitrailer flat plate through two bolts.

Preferably, both ends of the axle are rotationally connected with wheels, and each wheel is provided with anti-skid patterns.

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

The two sliding sleeves can be driven to move back to back through the semitrailer flat plate and the connecting rod and compress the second buffer spring, the second buffer spring can play a role in buffering the semitrailer flat plate and goods, meanwhile, the push plate can be driven to move through the push rod and compress the first buffer spring, and the first buffer spring liquid can play a role in buffering the semitrailer flat plate and the goods; meanwhile, the damper and the third buffer spring can be downwards extruded through the mounting plate, the support column and the sliding plate, the damper can absorb energy generated by vibration, and the third buffer spring can further play a role in buffering a semitrailer flat plate and goods, so that the goods are prevented from being damaged due to severe vibration, and the quality of the goods is improved.

Drawings

FIG. 1 is a schematic diagram of a front cross-sectional structure of a buffering and damping structure of a flat-bed semitrailer;

Fig. 2 is an enlarged schematic view of a fixing block in a buffering and damping structure of a flat semi-trailer according to the present utility model;

Fig. 3 is an enlarged schematic view of the structure a in fig. 1 according to the present utility model.

In the figure: the vehicle comprises a semi-trailer flat plate 1, a vehicle axle 2, a connecting sleeve 3, a fixing ring 4, a sliding sleeve 5, a pushing plate 6, a first buffer spring 7, a pushing rod 8, a second buffer spring 9, a connecting rod 10, a fixing block 11, a sliding plate 12, a damper 13, a supporting column 14, a third buffer spring 15, a mounting plate 16, a bolt 17 and a wheel 18.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-3, a buffering and damping structure of a flat-bed semitrailer comprises a semitrailer flat-bed 1, an axle 2 and an auxiliary buffering mechanism, wherein two connecting sleeves 3 are symmetrically and fixedly sleeved on the axle 2, one sides of the two connecting sleeves 3 opposite to each other are fixedly connected with a fixed ring 4, two sliding sleeves 5 are symmetrically and slidingly sleeved on the axle 2, two first cavities are symmetrically arranged in each sliding sleeve 5, a push plate 6 is slidingly connected to the inner wall of each first cavity, a first buffering spring 7 is fixedly connected to one side of each push plate 6 opposite to each first buffering spring 7, the other end of each first buffering spring 7 is fixedly connected to the inner wall of each first cavity, one side of each push plate 6 opposite to each push rod 8 is fixedly connected to the side wall of the fixed ring 4 in a penetrating mode, a connecting rod 10 is rotationally connected to the side wall of each sliding sleeve 5, the other end of each connecting rod 10 is rotationally connected to the lower end face of the semitrailer flat-bed 1, two sliding sleeves 5 are driven to move back to second buffering springs 9 through the semitrailer flat-bed 1 and the connecting rods 10, the second buffering springs 9 can be compressed by the second buffering springs 7 and the first buffering springs 7 can be compressed by the first buffering springs and the first buffering springs 7, and the second buffering springs can play a role in buffering effect of the first buffering springs can be played by the role of the first buffering springs and the first buffering springs 6.

Wherein, supplementary buffer gear includes two fixed blocks 11, every fixed block 11 all fixed connection is on the up end of adapter sleeve 3, the second cavity has all been seted up in every fixed block 11, the equal symmetrical fixedly connected with of inner wall of every second cavity two dampers 13, the equal fixedly connected with slide 12 jointly of upper end of every two dampers 13, the equal fixedly connected with support column 14 of up end of every slide 12, the upper end of every support column 14 all runs through the second cavity and fixedly connected with mounting panel 16, through mounting panel 16, support column 14 and slide 12 can downwardly squeeze damper 13, damper 13 can absorb the energy that vibrations produced.

Wherein, two slide plates 12 are all slidingly connected on the inner wall of the second cavity, two support columns 14 are all slidingly connected in the inner wall of the fixed block 11, and the support columns 14 can drive the slide plates 12 to move.

Wherein, all cup jointed third buffer spring 15 on two support columns 14, the both ends of every third buffer spring 15 all fixed connection respectively on the up end of fixed block 11 and the lower terminal surface of mounting panel 16, and third buffer spring 15 can play the cushioning effect to semitrailer flat board 1 and goods.

The second buffer springs 9 are sleeved on the push rods 8, two ends of each second buffer spring 9 are fixedly connected to the side wall of the fixed ring 4 and the side wall of the sliding sleeve 5 respectively, and the second buffer springs 9 can buffer the semitrailer flat plate 1 and cargoes.

The push rods 8 are slidably connected to the inner wall of the sliding sleeve 5, the two mounting plates 16 are fixedly mounted on the lower end face of the semitrailer flat plate 1 through two bolts 17, and the bolts 17 can play a role in fixedly mounting the mounting plates 16.

The two ends of the axle 2 are both rotationally connected with wheels 18, and each wheel 18 is provided with anti-skidding patterns, so that the anti-skidding effect of the wheels 18 can be improved.

In the utility model, when the semitrailer bumps in the process of transporting goods, the semitrailer flat plate 1 presses the connecting rod 10, the connecting rod 10 drives the two sliding sleeves 5 to move oppositely and compress the second buffer spring 9, the second buffer spring 9 can play a role in buffering the semitrailer flat plate 1 and the goods, meanwhile, the push rod 8 can drive the push plate 6 to move and compress the first buffer spring 7, the first buffer spring 7 can play a role in buffering the semitrailer flat plate 1 and the goods, meanwhile, the semitrailer flat plate 1 downwards presses the supporting column 14 and compresses the third buffer spring 15 through the mounting plate 16, the third buffer spring 15 can play a role in buffering the semitrailer flat plate 1 and the goods, the supporting column 14 downwards presses the damper 13 through the sliding plate 12, and the damper 13 can absorb energy generated by vibration, so that the damage caused by the severe vibration of the goods is prevented, and the quality of the goods is improved.

Although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (7)

1. The utility model provides a flat-bed semi-trailer buffering shock-absorbing structure, includes semitrailer flat (1), axletree (2) and supplementary buffer gear, its characterized in that, two adapter sleeves (3) have been cup jointed to symmetry on axletree (2), two equal fixedly connected with push rod (8) of one side that adapter sleeve (3) are relative, two sliding sleeves (5) have been cup jointed to symmetry on axletree (2), every equal symmetry has offered two first cavitys in sliding sleeve (5), every equal sliding connection has push pedal (6) on the inner wall of first cavity, every equal fixedly connected with first buffer spring (7) of one side that push pedal (6) are relative, every equal fixedly connected with push rod (8) of one side that push pedal (6) are backed up, every the other end of push rod (8) all runs through first cavity and fixedly connected with on the lateral wall of solid fixed ring (4), every equal swivelling joint has connecting rod (10) on the lateral wall of sliding sleeve (5) the lateral wall of each connecting rod (10) all swivelling joint on the terminal surface of semitrailer (1).

2. The buffering and damping structure of a flat semi-trailer according to claim 1, wherein the auxiliary buffering mechanism comprises two fixing blocks (11), each fixing block (11) is fixedly connected to the upper end face of the connecting sleeve (3), a second cavity is formed in each fixing block (11), two dampers (13) are symmetrically and fixedly connected to the inner wall of each second cavity, sliding plates (12) are fixedly connected to the upper ends of the two dampers (13) together, supporting columns (14) are fixedly connected to the upper end face of each sliding plate (12), and the upper end of each supporting column (14) penetrates through the second cavity and is fixedly connected with a mounting plate (16).

3. A flat bed semi-trailer buffer and shock absorbing structure according to claim 2, characterized in that two slide plates (12) are both slidingly connected to the inner wall of the second cavity, and two support columns (14) are both slidingly connected to the inner wall of the fixed block (11).

4. The buffering and damping structure of the flat-bed semitrailer according to claim 2, wherein a third buffering spring (15) is sleeved on each of the two supporting columns (14), and two ends of each third buffering spring (15) are fixedly connected to the upper end face of the fixed block (11) and the lower end face of the mounting plate (16) respectively.

5. The buffering and damping structure of the flat-bed semitrailer according to claim 1, wherein a plurality of push rods (8) are sleeved with second buffering springs (9), and two ends of each second buffering spring (9) are fixedly connected to the side wall of the fixed ring (4) and the side wall of the sliding sleeve (5) respectively.

6. The buffering and damping structure of the flat-bed semitrailer according to claim 2, wherein a plurality of push rods (8) are slidably connected in the inner wall of the sliding sleeve (5), and two mounting plates (16) are fixedly mounted on the lower end face of the semitrailer flat-bed (1) through two bolts (17).

7. The buffering and damping structure of a flat-bed semitrailer according to claim 1, wherein wheels (18) are rotatably connected to two ends of the axle (2), and anti-skid patterns are arranged on each wheel (18).