CN215793045U - Reinforced semitrailer suspension structure - Google Patents

Abstract

The utility model discloses a reinforced semitrailer suspension structure which comprises a fixed plate, wherein the lower end surface of the fixed plate is symmetrically and fixedly connected with two supporting columns, one opposite side of each supporting column is fixedly connected with a vertical plate, each vertical plate is rotatably connected with a rotating wheel, the two rotating wheels are fixedly connected with a plate spring together, the lower end surface of each plate spring is fixedly connected with a fixed block, one opposite side of each fixed block is symmetrically provided with two mounting grooves, and each mounting groove is fixedly connected with a rotating rod. According to the utility model, through the matching arrangement of the supporting rod, the push rod and the supporting rod, the sliding block can be driven to slide and the second spring can be compressed, the second spring can play a role in damping the device, the push rod can drive the push plate to move and compress the first spring, the first spring can further play a role in damping the device, the plate spring is prevented from being damaged due to long-time stress, and the service life of the device is further prolonged.

Description

Reinforced semitrailer suspension structure

Technical Field

The utility model relates to the technical field of semi-trailer suspensions, in particular to a reinforced semi-trailer suspension structure.

Background

The suspension system of a semitrailer is a general term for a complete set of devices for connecting a semitrailer frame with an axle. Its main function is to transmit various loads acting between the wheels and the frame, and to reduce or eliminate the shocks and vibrations transmitted to the frame through the axle due to rough road surfaces, so as to improve the smoothness and stability of the semitrailer.

Generally, bear the impact force of vehicle and play the absorbing effect to semi-trailer through the leaf spring among the prior art, the shock attenuation effect is not good, and the leaf spring damages easily under the long-time atress condition, and then reduces the life of device.

To the problem, we provide a strenghthened type semitrailer suspension structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects that in the prior art, a plate spring is generally used for bearing the impact force of a vehicle and playing a role in damping the semi-trailer, the damping effect is poor, the plate spring is easy to damage under the condition of long-time stress, and the service life of the device is further shortened, and accordingly the utility model provides the reinforced semi-trailer suspension structure.

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

a reinforced semitrailer suspension structure comprises a fixed plate, wherein the lower end surface of the fixed plate is symmetrically and fixedly connected with two supporting columns, one side, opposite to the two supporting columns, is fixedly connected with a vertical plate, each vertical plate is rotatably connected with a rotating wheel, the two rotating wheels are fixedly connected with a leaf spring together, the lower end surface of the leaf spring is fixedly connected with a fixed block, one side, opposite to the fixed block, is symmetrically provided with two mounting grooves, a rotating rod is fixedly connected in each mounting groove, each rotating rod is rotatably sleeved with a connecting rod, the other end of each connecting rod is fixedly connected with a fixed cylinder, a limiting plate is fixedly connected in each fixed cylinder, a push rod is slidably inserted in each limiting plate, one end, opposite to the two push rods, is fixedly connected with a push plate, and the side walls of the two push rods are symmetrically and rotatably connected with two supporting rods, every the other end of bracing piece all rotates and is connected with the slider, every two spouts have all been seted up to the symmetry on the inner wall of fixed cylinder, every equal fixedly connected with slide bar in the spout, it is a plurality of the slider slides respectively to cup joint on a plurality of the slide bar.

Preferably, the two ends of the push rods, which are opposite to each other, penetrate through the side wall of the fixed cylinder and are rotatably connected with mounting blocks, each push rod is respectively and slidably connected into the inner walls of the fixed cylinder, and the upper ends of the two mounting blocks are fixedly connected to the lower ends of the two supporting columns.

Preferably, the slide bars are sleeved with second springs, and two ends of each second spring are fixedly connected to the side wall of the slide block and the inner wall of the sliding groove respectively.

Preferably, two the one end that the push pedal is relative is a plurality of first springs of fixedly connected with of equidistance, every the other end of first spring all fixed connection is on the inner wall of fixed cylinder.

Preferably, the side walls of the two vertical plates are fixedly connected with rotating blocks, and the rotating wheels are rotatably sleeved on the rotating blocks.

Preferably, the fixed block is provided with a shaft hole, and each sliding block is connected in the sliding groove in a sliding manner.

Preferably, the plate spring is symmetrically sleeved with two U-shaped plates, and two ends of each U-shaped plate are fixedly connected through bolts.

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

through the cooperation setting of bracing piece, push rod and bracing piece, can drive the slider and slide and compress the second spring, the second spring can play absorbing effect to the device, and the push rod can drive the push pedal and remove and compress first spring, and first spring can further play absorbing effect to the device, prevents that the leaf spring from leading to damaging because of long-time atress, and then has improved the life of device.

Drawings

Fig. 1 is a schematic front perspective view of a plate spring in a reinforced semi-trailer suspension structure provided by the utility model;

fig. 2 is a schematic structural view in front section of a reinforced semitrailer suspension structure provided by the utility model;

fig. 3 is an enlarged schematic structural diagram of a point a in fig. 2 according to the present invention.

In the figure: the device comprises a fixing plate 1, a supporting column 2, a vertical plate 3, a rotating wheel 4, a plate spring 5, a fixing block 6, a rotating rod 7, a connecting rod 8, a fixing barrel 9, a limiting plate 10, a push rod 11, a push plate 12, a first spring 13, a supporting rod 14, a sliding block 15, a sliding rod 16, a second spring 17, an installation block 18 and a U-shaped plate 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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, are merely for convenience in describing the present invention and simplifying the 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 thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, a reinforced semitrailer suspension structure comprises a fixed plate 1, wherein two support columns 2 are symmetrically and fixedly connected to the lower end surface of the fixed plate 1, vertical plates 3 are fixedly connected to opposite sides of the two support columns 2, a rotating wheel 4 is rotatably connected to each vertical plate 3, a leaf spring 5 is fixedly connected to the two rotating wheels 4 together, a fixed block 6 is fixedly connected to the lower end surface of the leaf spring 5, two mounting grooves are symmetrically formed in opposite sides of the fixed block 6, a rotating rod 7 is fixedly connected to each mounting groove, a connecting rod 8 is rotatably sleeved on each rotating rod 7, a fixed cylinder 9 is fixedly connected to the other end of each connecting rod 8, a limiting plate 10 is fixedly connected to each fixed cylinder 9, a push rod 11 is slidably inserted into each limiting plate 10, a push plate 12 is fixedly connected to opposite ends of the two push rods 11, and two support rods 14 are symmetrically and rotatably connected to the side walls of the two push rods 11, the other end of every bracing piece 14 all rotates and is connected with slider 15, two spouts have been seted up to equal symmetry on the inner wall of every fixed cylinder 9, equal fixedly connected with slide bar 16 in every spout, a plurality of sliders 15 slide respectively and cup joint on a plurality of slide bars 16, through bracing piece 2, push rod 11 and bracing piece 14's cooperation sets up, can drive slider 15 and slide and compress second spring 17, second spring 17 can play absorbing effect to the device, push rod 11 can drive push pedal 12 and remove and compress first spring 13, first spring 13 can further play absorbing effect to the device, prevent that leaf spring 5 from leading to damaging because of long-time atress, and then improved the life of device.

Wherein, the one end that two push rods 11 carried on the back mutually all runs through the lateral wall of a fixed section of thick bamboo 9 and swivelling joint has installation piece 18, and every push rod 11 is sliding connection respectively in the inner wall of two fixed sections of thick bamboos 9, and the equal fixed connection in the lower extreme of two support columns 2 in the upper end of two installation pieces 18, push rod 11 can drive push pedal 12 and remove.

Wherein, all cup joint second spring 17 on a plurality of slide bars 16, the both ends of every second spring 17 fixed connection respectively on the lateral wall of slider 15 and the inner wall of spout, and second spring 17 has absorbing effect.

Wherein, the equal interval's of one end fixedly connected with a plurality of first springs 13 that two push pedal 12 are relative, the equal fixed connection of the other end of every first spring 13 is on the inner wall of fixed cylinder 9, and first spring 13 has absorbing effect.

Wherein, equal fixedly connected with turning block on two riser 3's the lateral wall, two are rotated wheel 4 and are all rotated and cup joint and rotate wheel 4 and can rotate on riser 3 on two turning blocks.

Wherein, seted up the shaft hole on the fixed block 6, the equal sliding connection of every slider 15 is in the spout, and slider 15 can compress second spring 17.

Wherein, two U-shaped plates 19 have been cup jointed to the symmetry on leaf spring 5, and the both ends of every U-shaped plate 19 all pass through bolt fixed connection, and U-shaped plate 19 can play fixed effect to leaf spring 5.

According to the utility model, when the fixed plate 1 vibrates, the fixed plate 1 can extrude the plate spring 5, the plate spring 5 can drive the rotating wheel 4 to rotate, meanwhile, the fixed plate 1 can drive the supporting column 2 to vibrate, the supporting column 2 can drive the mounting block 18 to vibrate, the mounting block 18 can extrude the push rod 11, the push rod 11 can drive the slide block 15 to move through the supporting rod 14, the slide block 15 can slide on the slide rod 16 and compress the second spring 17, so that the second spring 17 generates opposite elasticity, the second spring 17 has a damping effect, the push rod 11 can also drive the push plate 12 to move and compress the first spring 13, so that the first spring 13 generates opposite elasticity, and the first spring 13 has a damping effect; through the cooperation setting of bracing piece 2, push rod 11 and bracing piece 14, can drive slider 15 and slide and compress second spring 17, second spring 17 can play absorbing effect to the device, and push rod 11 can drive push pedal 12 and remove and compress first spring 13, and first spring 13 can further play absorbing effect to the device, prevents that leaf spring 5 from leading to damaging because of long-time atress, and then has improved the life of device.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (7)

1. The reinforced semitrailer suspension structure comprises a fixed plate (1) and is characterized in that two support columns (2) are symmetrically and fixedly connected to the lower end face of the fixed plate (1), a vertical plate (3) is fixedly connected to one opposite side of each support column (2), a rotating wheel (4) is rotatably connected to each vertical plate (3), two leaf springs (5) are fixedly connected to the rotating wheels (4) together, a fixed block (6) is fixedly connected to the lower end face of each leaf spring (5), two mounting grooves are symmetrically formed in one opposite side of each fixed block (6), a rotating rod (7) is fixedly connected to each mounting groove, a connecting rod (8) is rotatably sleeved on each rotating rod (7), a fixed cylinder (9) is fixedly connected to the other end of each connecting rod (8), and a limiting plate (10) is fixedly connected to the inside of each fixed cylinder (9), every equal slip interlude has push rod (11), two on limiting plate (10) the equal fixedly connected with push pedal (12) of one end that push rod (11) is relative, two equal symmetry is rotated on the lateral wall of push rod (11) and is connected with two bracing pieces (14), every the other end of bracing piece (14) all rotates and is connected with slider (15), every two spouts, every have been seted up to equal symmetry on the inner wall of solid fixed cylinder (9) equal fixedly connected with slide bar (16) in the spout, it is a plurality of slider (15) slip cup joint respectively and are in a plurality of on slide bar (16).

2. A reinforced semitrailer suspension structure according to claim 1, characterized in that the opposite ends of the two push rods (11) both penetrate the side wall of the fixed cylinder (9) and are rotatably connected with mounting blocks (18), each push rod (11) is respectively and slidably connected in the inner walls of the two fixed cylinders (9), and the upper ends of the two mounting blocks (18) are both fixedly connected to the lower ends of the two supporting columns (2).

3. A reinforced semitrailer suspension structure according to claim 1, characterized in that a plurality of said sliding rods (16) are sleeved with second springs (17), and both ends of each said second spring (17) are respectively fixedly connected to the side wall of the sliding block (15) and the inner wall of the sliding chute.

4. A reinforced semitrailer suspension structure as claimed in claim 1, characterised in that a plurality of first springs (13) are fixedly connected to opposite ends of two push plates (12) at equal intervals, and the other end of each first spring (13) is fixedly connected to the inner wall of a fixed cylinder (9).

5. The reinforced semitrailer suspension structure according to claim 1, characterized in that the side walls of the two risers (3) are fixedly connected with rotating blocks, and the two rotating wheels (4) are rotatably sleeved on the two rotating blocks.

6. A reinforced semitrailer suspension structure as claimed in claim 1, characterised in that said fixed block (6) is provided with an axle hole, and each of said sliding blocks (15) is slidably connected in a sliding groove.

7. A reinforced semitrailer suspension structure according to claim 1, characterized in that two U-shaped plates (19) are symmetrically sleeved on said leaf spring (5), and both ends of each U-shaped plate (19) are fixedly connected by bolts.

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