CN214001238U

CN214001238U - Self-discharging semitrailer of suspension system

Info

Publication number: CN214001238U
Application number: CN202022388329.3U
Authority: CN
Inventors: 刘振永; 唐俊生; 何忠友
Original assignee: Anhui Sinor Logistics Equipment Co ltd
Current assignee: Anhui Sinor Logistics Equipment Co ltd
Priority date: 2020-10-24
Filing date: 2020-10-24
Publication date: 2021-08-20
Anticipated expiration: 2030-10-24

Abstract

The utility model discloses a suspension's self-discharging semitrailer, including lifting system, stay cord, frame, first backing plate, first pneumatic cylinder, leaf spring subassembly, single-point suspension, fixed pulley, second backing plate, upset packing box, folded sheet, air cylinder, sense year valve, air cylinder, gasbag, second pneumatic cylinder, mounting groove, lead screw, driving seat, driven gear, driving gear, step motor, sprocket, mounting bracket, receipts reel and biax motor. The utility model discloses an air pressure in the air cylinder and the load sensing valve adjustment gasbag hangs the change of vehicle-mounted load and the corresponding change of rear axle leaf spring subassembly single-point suspension, makes the load that the front and back axle bore roughly equal, because each axle transmission load takes place to remove and the skew, so makes to unload the semitrailer and lift more steadily, is difficult for the rollover to very big improvement the practicality.

Description

Self-discharging semitrailer of suspension system

Technical Field

The utility model relates to a self-discharging semitrailer specifically is a suspension's self-discharging semitrailer belongs to semitrailer technical field.

Background

The self-unloading semitrailer is usually additionally provided with a lifting unloading device and a turnable cargo box on the basis of a common semitrailer to realize the functions of cargo transportation and self-unloading, a suspension system of the self-unloading semitrailer inherits multi-shaft serial suspension of the semitrailer, and the serial suspension has the characteristic of bearing force transfer, so that the bearing load of each multi-shaft semitrailer is approximately the same.

When the self-discharging semitrailer lifts and unloads, the slight movement of the axle of the serial suspension system and the height difference of the rear axle can cause the vehicle body to rock and deflect, and the integral gravity center of the vehicle rises in the lifting state, so that the offset distance is increased, and the self-discharging semitrailer is extremely easy to tip over in the lifting and unloading state. Therefore, the dump semi-trailer of the suspension system is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a self-discharging semitrailer of suspension system for solve above-mentioned problem.

The utility model achieves the above purpose through the following technical proposal, a self-unloading semitrailer of a suspension system, which comprises a frame, wherein the top end of the frame is sequentially articulated with a lifting system and a turnover container from left to right, one end of the turnover container is articulated with the telescopic end of the lifting system, the side wall of the frame is sequentially provided with a first hydraulic cylinder and a second hydraulic cylinder which are symmetrically arranged from left to right, the bottom end of the first hydraulic cylinder is fixedly connected with a first backing plate, the telescopic end of the second hydraulic cylinder is fixedly connected with a second backing plate, the top end of the second backing plate is provided with a double-shaft motor, the double-shaft motor is provided with a winding drum through a driving shaft arranged on the driving end of the double-shaft motor, the surface of the winding drum is wound with a stay cord, one end of the stay cord is connected with the bottom end of the frame, the bottom end of the frame is sequentially provided with an air suspension bracket, an air bag and a single-point suspension bracket from left to right, and the air suspension support is articulated with the leading arm of installing on the front axle of semitrailer, the gasbag bottom is articulated with the leading arm other end, single-point suspension support bottom articulates there is the leaf spring subassembly, and the leaf spring subassembly both ends are connected with the rear axle of semitrailer, the frame lateral wall from left to right installs the air suspension gas receiver in proper order and feels and carries the valve, and the air suspension gas receiver is connected with the gasbag through installing the air duct on air suspension gas receiver surface, and air duct surface mounting has and feels and carries the valve, the frame has the folded sheet through the pivot normal running fit of normal running fit on the frame inside wall, the frame inside wall is installed and is carried out folding adjustment mechanism to the folded sheet.

Preferably, folding adjustment mechanism comprises two parallel arrangement's lead screw, drive seat, driving gear, driven gear, step motor and sprocket, every the lead screw with set up the inner wall normal running fit of the mounting groove on the frame, drive seat threaded connection is on the lead screw, and drive seat and folded sheet one end are connected, the sprocket is installed on the lead screw, and the sprocket on every lead screw is connected through the chain drive that sets up between the sprocket, driven gear installs on one of them lead screw, step motor installs on the frame inside wall, the driving gear is installed in the drive shaft of being connected with the step motor drive end, and driving gear and driven gear meshing.

Preferably, two fixed pulleys are mounted at the top end of the first base plate, and the surface of each fixed pulley is in sliding connection with one of the pull ropes.

Preferably, the top end of the second base plate is provided with an installation frame, and the installation frame is in running fit with a driving shaft arranged on the driving end of the double-shaft motor.

Preferably, the folding plate is formed by hinging a plurality of steel plates.

The utility model has the advantages that:

through the air pressure in the air cylinder of air suspension and the load sensing valve adjustment gasbag, the gasbag hangs along with the change of vehicle load and the corresponding change of rear axle leaf spring subassembly single-point suspension, the load that makes the front and rear axle undertake is roughly equal, because each axle transmission load takes place to remove and the skew, so make and unload the semitrailer and lift more steadily, be difficult for the turnover, simultaneously through setting up the folded sheet, the lead screw, the stay cord, want mutually supporting between fixed pulley and the receipts reel, so can be better when lifting, increase gravity with the front end of semitrailer, thereby cause the turnover because of the focus moves backward when having avoided the semitrailer to unload, thereby very big improvement the practicality.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

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

FIG. 2 is a schematic view of the connection structure of the first pad plate of the present invention;

FIG. 3 is a schematic view of the connection structure of the second base plate, the winding drum and the dual-shaft motor of the present invention;

fig. 4 is a schematic view of the connection structure of the frame and the folding plate of the present invention.

In the figure: 1. lifting system, 2, stay cord, 3, frame, 4, first backing plate, 5, first pneumatic cylinder, 6, leaf spring subassembly, 7, single-point suspension support, 8, fixed pulley, 9, second backing plate, 10, upset packing box, 11, folded sheet, 12, air cylinder, 13, sense year valve, 14, air suspension support, 15, gasbag, 16, second pneumatic cylinder, 17, mounting groove, 18, lead screw, 19, driving seat, 20, driven gear, 21, driving gear, 22, step motor, 23, sprocket, 24, mounting bracket, 25, rolling section of thick bamboo, 26, biax motor.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those 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 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. 1-4, a dump semi-trailer of suspension system comprises a frame 3, wherein a lifting system 1 and a turnover container 10 are sequentially hinged on the top end of the frame 3 from left to right, one end of the turnover container 10 is hinged on a telescopic end of the lifting system 1, a first hydraulic cylinder 5 and a second hydraulic cylinder 16 which are symmetrically arranged are sequentially mounted on the side wall of the frame 3 from left to right, a first cushion plate 4 is fixedly connected to the bottom end of the first hydraulic cylinder 5, a second cushion plate 9 is fixedly connected to the telescopic end of the second hydraulic cylinder 16, a double-shaft motor 26 is mounted on the top end of the second cushion plate 9, a winding drum 25 is mounted on the double-shaft motor 26 through a driving shaft mounted on the driving end of the double-shaft motor 26, a pull rope 2 is wound on the surface of the winding drum 25, one end of the pull rope 2 is connected with the bottom end of the frame 3, and an empty suspension bracket 14, a dump semi-trailer of the frame 3 is sequentially mounted from left to right, 15 and single-point suspension support 7 of gasbag, and the air suspension support 14 is articulated with the guide arm of installing on the front truck of semitrailer epaxial, 15 bottoms of gasbag are articulated with the guide arm other end, 7 bottoms of single-point suspension support are articulated to have leaf spring assembly 6, and the rear axle connection of 6 both ends of leaf spring assembly and semitrailer, 3 lateral walls of frame from left to right install air cylinder 12 and sense year valve 13 in proper order, and air cylinder 12 is connected with gasbag 15 through the air duct of installing on air cylinder 12 surface, and air duct surface mounting has and senses year valve 13, frame 3 has folded sheet 11 through the pivot normal running fit of normal running fit on 3 inside walls of frame, 3 inside walls of frame are installed and are carried out folding adjustment mechanism to folded sheet 11.

The folding adjusting mechanism consists of two lead screws 18, a driving seat 19, a driving gear 21, a driven gear 20, a stepping motor 22 and chain wheels 23 which are arranged in parallel, wherein each lead screw 18 is in running fit with the inner wall of a mounting groove 17 formed in the frame 3, the driving seat 19 is in threaded connection with the lead screws 18, the driving seat 19 is connected with one end of the folding plate 11, the chain wheels 23 are arranged on the lead screws 18, the chain wheels 23 on each lead screw 18 are in transmission connection through chains arranged among the chain wheels 23, the driven gear 20 is arranged on one lead screw 18, the stepping motor 22 is arranged on the inner side wall of the frame 3, the driving gear 21 is arranged on a driving shaft connected with the driving end of the stepping motor 22, and the driving gear 21 is meshed with the driven gear 20; the top end of the first base plate 4 is provided with two fixed pulleys 8, and the surface of each fixed pulley 8 is in sliding connection with one of the pull ropes 2, so that the friction force of the pull ropes 2 can be reduced better; the mounting frame 24 is mounted at the top end of the second cushion plate 9, and the mounting frame 24 is in rotating fit with a driving shaft mounted at the driving end of the double-shaft motor 26, so that the driving shaft mounted at the driving end of the double-shaft motor 26 can be better supported; the folding plate 11 is formed by hinging a plurality of steel plates, so that the front end of the frame 3 can be better lifted to provide gravity.

When the utility model is used, the electrical components in the application are externally connected with a power supply and a control switch, wherein the first hydraulic cylinder 5, the second hydraulic cylinder 16, the load sensing valve 13, the stepping motor 22 and the double-shaft motor 26 are externally connected with controllers, when unloading, the first hydraulic cylinder 5 and the second hydraulic cylinder 16 are firstly opened, the first hydraulic cylinder 5 drives the first cushion plate 4 to move downwards, the first cushion plate 4 is contacted with the ground, the second hydraulic cylinder 16 drives the second cushion plate 9 to move downwards, the second cushion plate 9 is contacted with the ground, the turnover container 10 is lifted through the lifting system 1, the stepping motor 22 and the double-shaft motor 26 are simultaneously opened, the stepping motor 22 drives the screw rod 18 to rotate under the action of the driving shaft, the driving gear 21, the driven gear 20 and the chain wheel 23, the screw rod 18 drives the folding plate 11 to move leftwards through the driving seat 19, the folding plate 11 is opened and folded, so that the front end of the frame 3 is weighted by the folding plate 11, and meanwhile, the winding drum 25 is driven by the double-shaft motor 26 through the driving shaft to rotate, the winding drum 25 tightens the pull rope 2, so that the front end of the frame 3 is tightened by the pull rope 2, and the front end of the frame 3 is provided with pulling force after being driven; when the vehicle is in heavy load, the whole vehicle body moves downwards, so that a signal of the change of the relative height of the vehicle body of the load sensing valve 13 is transmitted to the external controller, the external controller adjusts the air pressure in the air bag 15 through the air suspension air storage cylinder 12 and the load sensing valve 13, the air bag 15 suspension changes along with the change of the vehicle load and the corresponding change of the single-point suspension of the rear axle plate spring assembly 6, the loads borne by the front axle and the rear axle are approximately equal, and the adjustment of the air bag 15 is completed.

It is well within the skill of those in the art to implement, without undue experimentation, the present invention does not relate to software and process improvements, as related to circuits and electronic components and modules.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A self-unloading semitrailer of a suspension system comprises a frame (3), and is characterized in that: frame (3) top from left to right articulates in proper order has lifting system (1) and upset packing box (10), and upset packing box (10) one end articulates and is served in the flexible of lifting system (1), first pneumatic cylinder (5) and second pneumatic cylinder (16) that the symmetry set up are from left to right installed in proper order to frame (3) lateral wall, first pneumatic cylinder (5) bottom fixedly connected with first backing plate (4), second pneumatic cylinder (16) flexible end fixedly connected with second backing plate (9), double-shaft motor (26) are installed on second backing plate (9) top, double-shaft motor (26) are installed through installing the drive shaft on double-shaft motor (26) drive end and are received reel (25), it has stay cord (2) to receive reel (25) surface winding, and stay cord (2) one end is connected with frame (3) bottom, frame (3) bottom from left to right installs in proper order and hangs support (14), An air bag (15) and a single-point suspension bracket (7), wherein the suspension bracket (14) is hinged with a guide arm arranged on a front axle of the semitrailer, the bottom end of the air bag (15) is hinged with the other end of the guide arm, the bottom end of the single-point suspension bracket (7) is hinged with a plate spring assembly (6), two ends of the plate spring component (6) are connected with a rear axle of the semitrailer, an air suspension air storage cylinder (12) and a load sensing valve (13) are sequentially arranged on the side wall of the frame (3) from left to right, and the air-suspending air cylinder (12) is connected with the air bag (15) through an air duct arranged on the surface of the air-suspending air cylinder (12), and the surface of the air duct is provided with a load sensing valve (13), the frame (3) is rotationally matched with a folding plate (11) through a rotating shaft which is rotationally matched with the inner side wall of the frame (3), and a folding adjusting mechanism for folding the folding plate (11) is arranged on the inner side wall of the frame (3).

2. The dump semi-trailer of a suspension system according to claim 1, wherein: the folding adjusting mechanism consists of two lead screws (18) arranged in parallel, a driving seat (19), a driving gear (21), a driven gear (20), a stepping motor (22) and a chain wheel (23), wherein each lead screw (18) is in running fit with the inner wall of a mounting groove (17) formed in the frame (3), the driving seat (19) is in threaded connection with the lead screws (18), the driving seat (19) is connected with one end of a folding plate (11), the chain wheel (23) is mounted on the lead screws (18), the chain wheel (23) on each lead screw (18) is in transmission connection with the chain wheel (23) through a chain arranged between the chain wheels, the driven gear (20) is mounted on one of the lead screws (18), the stepping motor (22) is mounted on the inner side wall of the frame (3), and the driving gear (21) is mounted on a driving shaft connected with the driving end of the stepping motor (22), and the driving gear (21) is engaged with the driven gear (20).

3. The dump semi-trailer of a suspension system according to claim 1, wherein: two fixed pulleys (8) are installed on the top end of the first base plate (4), and the surface of each fixed pulley (8) is connected with one of the pull ropes (2) in a sliding mode.

4. The dump semi-trailer of a suspension system according to claim 1, wherein: and the top end of the second cushion plate (9) is provided with an installation frame (24), and the installation frame (24) is in running fit with a driving shaft arranged at the driving end of the double-shaft motor (26).

5. The dump semi-trailer of a suspension system according to claim 1, wherein: the folding plate (11) is formed by hinging a plurality of steel plates.