CN219904163U - Semi-trailer rollover prevention supporting device - Google Patents

Abstract

The utility model discloses a side-turning prevention supporting device of a semitrailer, which comprises a semitrailer hopper bottom plate movably connected to a semitrailer chassis body through a first movable seat, wherein the upper side of the left end of the semitrailer chassis body is movably connected with the semitrailer hopper bottom plate through the first movable seat, the periphery of the upper side of the semitrailer hopper bottom plate is welded with a semitrailer hopper frame body, the bottom side of the semitrailer hopper bottom plate is provided with a third movable seat, the upper side of the semitrailer chassis body is provided with a second movable seat, and the side-turning prevention supporting device of the semitrailer is provided with a follow-up supporting mechanism.

Description

Semi-trailer rollover prevention supporting device

Technical Field

The utility model belongs to the technical field of semi-trailers, and particularly relates to a rollover prevention supporting device of a semi-trailer.

Background

The semitrailer is a trailer with axles arranged behind the center of gravity of the vehicle and a coupling device capable of transmitting horizontal and vertical forces to the tractor, and is divided into eleven-meter-bin semitrailers, thirteen-meter-bin semitrailers, low-bed semitrailers and the like, and is a heavy transportation vehicle connected with a semitrailer head through traction pins.

Most of the conventional side turning prevention devices of semitrailers are complex in structure, low in reaction speed, long in lag time and poor in using effect, and the side turning prevention devices of semitrailers are disclosed as 202123274166.7, and the side turning prevention devices of the semitrailers realize the retraction and the release of the supporting mechanism 9 through the forward and reverse rotation self-locking motor, the winding roller, the steel wire rope and the connecting seat, so that a certain time is required for retraction and release, and the lag time is too long, so that the side turning prevention devices have the defects in use.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides the side-turning prevention supporting device for the semitrailer, which is simple in structure, low in production cost, short in lag time and good in use effect, by arranging the follow-up supporting mechanism, and enabling the hydraulic supporting cylinder to be in a vertical position due to the action of gravity in the process of jacking and discharging the bottom plate of the semitrailer by the hydraulic jacking cylinder, and enabling the hydraulic supporting cylinder to extend until the supporting plate is in contact with the ground when the bottom plate of the semitrailer reaches a proper discharging position.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the side-turning prevention supporting device for the semitrailer comprises a semitrailer hopper bottom plate which is movably connected to a semitrailer chassis body through a first movable seat, wherein the upper side of the left end of the semitrailer chassis body is movably connected with the semitrailer hopper bottom plate through the first movable seat, semitrailer hopper frame bodies are welded on the periphery of the upper side of the semitrailer hopper bottom plate, a third movable seat is arranged on the bottom side of the semitrailer hopper bottom plate, a second movable seat is arranged on the upper side of the semitrailer chassis body, a hydraulic top cylinder is movably connected between the second movable seat and the third movable seat, and supporting mechanisms are arranged on the outer sides of the semitrailer frame bodies at the front ends of the semitrailer hopper bottom plate; the supporting mechanism comprises a fixed column, a movable sleeve, a hydraulic supporting cylinder and a supporting plate, wherein the front end is fixedly arranged on the outer side of a semi-trailer bucket frame body, the movable sleeve is connected to the fixed column in a rotating mode, the hydraulic supporting cylinder is arranged on the bottom side of the movable sleeve, the supporting plate is fixedly arranged at the telescopic end of the hydraulic supporting cylinder, the front end is provided with a limiting mechanism on the outer side of the semi-trailer bucket frame body, the supporting mechanism is arranged in a follow-up mode, the hydraulic supporting cylinder is located at a vertical position under the action of gravity in the process of jacking up the semi-trailer bucket bottom plate for unloading, when the semi-trailer bucket bottom plate reaches a proper unloading position, the hydraulic supporting cylinder stretches until the supporting plate is in contact with the ground, and the semi-trailer bucket bottom plate is simple in structure, low in production cost, short in lag time and good in use effect.

Further, stop gear includes socket, screw, staple bolt and fastening bolt, the front end the outside of semitrailer bucket-holder body all is fixed with the socket, the screw of fore-and-aft symmetry has all been seted up to the outside of socket, and this screw department passes through fastening bolt and staple bolt and hydraulic support jar demountable installation, through setting up socket, screw, staple bolt and fastening bolt, conveniently accomodates unused supporting mechanism, prevents that the car from taking place danger when traveling.

Further, all cup jointed the spacing dish that is located movable sleeve left and right sides on the fixed column, through setting up spacing dish, prevent that the movable sleeve from taking place the displacement when rotating, improved the stability when using.

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

1. through setting up follow-up supporting mechanism, at the in-process that hydraulic ram jar was unloaded with semitrailer bucket bottom plate jack-up, the hydraulic support jar is in vertical position because of gravity effect, when the semitrailer bucket bottom plate reached suitable position of unloading, the hydraulic support jar extends, until backup pad and ground contact, simple structure, low in production cost, lag time is short, excellent in use effect.

2. Through setting up supporting seat, screw, staple bolt and fastening bolt, conveniently accomodate unused supporting mechanism, take place dangerously when preventing that the car from traveling, through setting up the spacing dish, prevent that the movable sleeve from taking place the displacement when rotating, stability when having improved the use.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model.

Fig. 2 is a schematic structural view of the semi-trailer floor of the present utility model when being jacked.

Fig. 3 is a schematic view of a partial enlarged structure of the present utility model at a.

In the figure: the semi-trailer chassis comprises a semi-trailer chassis body 1, a first movable seat 2, a semi-trailer hopper bottom plate 3, a semi-trailer hopper frame body 4, a 5 supporting mechanism, a 51 fixed column, a 52 movable sleeve, a 53 hydraulic supporting cylinder, a 54 supporting plate, a 6 limiting mechanism, a 61 supporting seat, a 62 screw hole, a 63 hoop, a 64 fastening bolt, a 7 second movable seat, a 8 third movable seat, a 9 hydraulic jacking cylinder and a 10 limiting disc.

Description of the embodiments

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

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.

Examples

Referring to the drawings, 1-3 show, a semi-trailer rollover prevention supporting device comprises a semi-trailer hopper bottom plate 3 movably connected to a semi-trailer chassis body 1 through a first movable seat 2, wherein the upper side of the left end of the semi-trailer chassis body 1 is movably connected with the semi-trailer hopper bottom plate 3 through the first movable seat 2, the periphery of the upper side of the semi-trailer hopper bottom plate 3 is welded with a semi-trailer hopper frame body 4, the bottom side of the semi-trailer hopper bottom plate 3 is provided with a third movable seat 8, the upper side of the semi-trailer chassis body 1 is provided with a second movable seat 7, a hydraulic jacking cylinder 9 is movably connected between the second movable seat 7 and the third movable seat 8, and the outer side of the front end semi-trailer hopper frame body 4 is provided with a supporting mechanism 5; the supporting mechanism 5 comprises a fixed column 51, a movable sleeve 52, a hydraulic supporting cylinder 53 and a supporting plate 54, wherein the outer side of the front end semi-trailer bucket frame body 4 is fixedly provided with the fixed column 51, the movable sleeve 52 is rotationally connected to the fixed column 51, the hydraulic supporting cylinder 53 is installed on the bottom side of the movable sleeve 52, the supporting plate 54 is fixedly arranged at the telescopic end of the hydraulic supporting cylinder 53, the limiting mechanism 6 is arranged on the outer side of the front end semi-trailer bucket frame body 4, the following supporting mechanism 5 is arranged, the hydraulic supporting cylinder 53 is positioned at a vertical position under the action of gravity in the process of jacking and discharging the semi-trailer bucket bottom plate 3, and when the semi-trailer bucket bottom plate 3 reaches a proper discharging position, the hydraulic supporting cylinder 53 stretches until the supporting plate 54 contacts with the ground, so that the structure is simple, the production cost is low, the lag time is short, and the using effect is good.

The stop gear 6 includes supporting seat 61, screw 62, staple bolt 63 and fastening bolt 64, and the outside of front end semitrailer bucket body 4 all is fixed with supporting seat 61, and the screw 62 of fore-and-aft symmetry has all been seted up to the outside of supporting seat 61, and this screw 62 department passes through fastening bolt 64 and staple bolt 63 and hydraulic support jar 53 demountable installation, through setting up supporting seat 61, screw 62, staple bolt 63 and fastening bolt 64, conveniently accomodates unused supporting mechanism 5, prevents to take place danger when the car is driven.

The fixed posts 51 are sleeved with the limiting plates 10 positioned on the left side and the right side of the movable sleeve 52, and the limiting plates 10 are arranged to prevent the movable sleeve 52 from displacing during rotation, so that the stability during use is improved.

Working principle: the hydraulic pressure top jar 9 is with the in-process of unloading of semitrailer bucket bottom plate 3 jack-up, the hydraulic pressure supporting jar 53 is in vertical position because gravity effect, when semitrailer bucket bottom plate 3 reached suitable unloading position, the hydraulic pressure supporting jar 53 extends, until backup pad 54 and ground contact, thereby realized the supporting effect of semitrailer bucket support body 4, need not too much power structure, and a low in production cost, the lag time is short, excellent in use, because supporting mechanism 5 is the structure of follow-up, can try for the supporting operation to different positions, after unloading is accomplished, the hydraulic pressure supporting jar 53 shrink to original state, install the outside of supporting seat 61 with hydraulic pressure supporting jar 53 through staple bolt 63 and fastening bolt 64, the convenience is accomodate unused supporting mechanism 5, dangerous when preventing the car and take place, through setting up limiting disc 10, prevent movable sleeve 52 and take place the displacement when rotating, stability when using has been improved.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (3)

1. The utility model provides a support device is prevented turning on one's side by semitrailer, includes the semitrailer hopper bottom plate at semitrailer chassis body through first movable seat swing joint, the left end upside of semitrailer chassis body has the semitrailer hopper bottom plate through first movable seat swing joint, the upside of semitrailer hopper bottom plate all welds semitrailer hopper support body all around, the downside of semitrailer hopper bottom plate is equipped with the third movable seat, the upside of semitrailer chassis body is equipped with the second movable seat, swing joint has the hydraulic ram cylinder between second movable seat and the third movable seat, front end the outside of semitrailer hopper support body all is equipped with supporting mechanism, its characterized in that: the supporting mechanism comprises a fixed column, a movable sleeve, a hydraulic supporting cylinder and a supporting plate, wherein the fixed column is fixed on the outer side of the semi-trailer bucket frame body, the movable sleeve is connected to the fixed column in a rotating mode, the hydraulic supporting cylinder is mounted on the bottom side of the movable sleeve, the supporting plate is fixed on the telescopic end of the hydraulic supporting cylinder, and the limiting mechanism is arranged on the outer side of the semi-trailer bucket frame body.

2. The rollover prevention supporting device for a semitrailer according to claim 1, wherein: the limiting mechanism comprises a bearing seat, screw holes, anchor clamps and fastening bolts, the front ends are respectively fixed with the bearing seat on the outer side of the semi-trailer bucket frame body, the outer sides of the bearing seats are respectively provided with screw holes which are symmetrical front and back, and the screw holes are detachably arranged with the hydraulic supporting cylinder through the fastening bolts and the anchor clamps.

3. The rollover prevention supporting device for a semitrailer according to claim 1, wherein: limiting plates positioned at the left side and the right side of the movable sleeve are sleeved on the fixed columns.