CN210083180U

CN210083180U - Landing leg structure of ash discharging semitrailer

Info

Publication number: CN210083180U
Application number: CN201920974621.8U
Authority: CN
Inventors: 李子柱; 张华�; 冯正如; 张松; 朱福全
Original assignee: Shandong Liangshan Huayu Group Automobile Manufacturing Co Ltd
Current assignee: Shandong Liangshan Huayu Group Automobile Manufacturing Co Ltd
Priority date: 2019-06-26
Filing date: 2019-06-26
Publication date: 2020-02-18
Anticipated expiration: 2029-06-26

Abstract

The utility model discloses a bottom ash semitrailer landing leg structure, which comprises a chassis, longitudinal beams fixedly connected with the two sides of the bottom of the chassis, a U-shaped rod fixedly connected with the middle part of the bottom of the chassis, a fixed rod fixedly connected with the bottom inside the U-shaped rod, upper landing legs welded on the two sides of the bottom of the U-shaped rod through welding plates, lower landing legs sleeved on the bottoms of the two upper landing legs, a base fixedly connected with the bottoms of the two lower landing legs, cavities arranged at the bottoms inside the two lower landing legs, springs fixed inside the two cavities, a welding plate welded on the top of the upper landing legs is welded with the chassis, and the tops of the two sides of the upper supporting leg are fixedly connected with the fixed rod through the mounting plate, so that the desoldering is avoided, the structural strength of the supporting leg is enhanced, through the spring that lower landing leg internal fixation was equipped with for the spring produces reaction force, increases the shock attenuation shock-absorbing capacity, thereby increases the bearing capacity of semitrailer landing leg.

Description

Landing leg structure of ash discharging semitrailer

Technical Field

The utility model relates to a landing leg structure, in particular to lower grey semitrailer landing leg 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. Semitrailers are generally three-axle semitrailers, and the types of semitrailers are divided into eleven-meter-bin-column semitrailers, thirteen-meter-bin semitrailers, low-bed semitrailers and the like. Is a heavy transport vehicle connected with a semitrailer head through a towing pin.

Semitrailers are trailers whose axles are placed behind the center of gravity of the vehicle and which are equipped with coupling devices that transmit horizontal and vertical forces to the tractor, and support legs are therefore required to increase the stability of the semitrailer in order to prevent it from tilting during operation.

The existing landing leg structure of the ash discharging semitrailer is simple in structure, generally adopts a mode of welding with a semitrailer chassis, fixes the landing leg, is easy to desolder, reduces structural strength, and leads to unable normal use. Therefore, the existing leg structure of the ash discharging semitrailer has a plurality of problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a grey semitrailer leg structure down to current grey semitrailer leg structure down that proposes in solving above-mentioned background art is simple, uses usually and semitrailer chassis welded mode, fixes the landing leg, and easy desolder reduces structural strength, leads to unable normal use, and in addition, current grey semitrailer leg structure down antidetonation buffering effect is not good in the use, reduces the life's of landing leg problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lower grey semitrailer leg structure, includes the chassis, the both sides fixedly connected with longeron of chassis bottom, the middle part fixedly connected with U-shaped pole of chassis bottom, the U-shaped pole is located two between the longeron, the inside bottom fixedly connected with dead lever of U-shaped pole, the both sides of U-shaped pole bottom all have last landing leg, two through the welding plate welding the bottom of going up the landing leg all overlaps and is equipped with down landing leg, two the top of going up the landing leg both sides all passes through mounting panel and dead lever fixed connection, two the equal fixedly connected with base in bottom of landing leg, two the cavity has all been seted up to the inside bottom of landing leg down, two the inside of cavity is all fixed and is equipped with the spring.

As an optimal technical scheme of the utility model, two the external fixation of going up the landing leg is equipped with a plurality of location convex body, two a plurality of positioning groove has been seted up to the inside of lower landing leg.

As a preferred technical scheme of the utility model, a plurality of positioning groove is semicircle structure, a plurality of the outside of location convex body is the arc structure.

As an optimal technical scheme of the utility model, two the equal fixed mounting in top of base has the connecting block, two the top of connecting block is passed through spring and the inside top elastic connection of cavity.

As an optimal technical scheme of the utility model, two the equal fixedly connected with fixed block in both sides of cavity.

As a preferred technical scheme of the utility model, two a plurality of pinholes have been seted up, it is a plurality of at the middle part of lower leg one side the inside of pinhole all is pegged graft and is had the locating pin axle.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a lower grey semitrailer leg structure, through upper leg top welded welding plate and chassis welding, and the top of upper leg both sides all through mounting panel and dead lever fixed connection, avoids the desolder, increases landing leg structural strength, through the spring that lower leg inside is fixed to be equipped with for the spring produces reaction force, increases the shock attenuation buffer capacity, thereby increases the bearing capacity of semitrailer landing leg.

Drawings

Fig. 1 is a schematic front structural view of the present invention;

fig. 2 is a schematic structural diagram of a of the present invention;

fig. 3 is a schematic view of the lower leg plane structure of the present invention.

In the figure: 1. a chassis; 2. a stringer; 3. a U-shaped rod; 4. fixing the rod; 5. an upper support leg; 6. a lower leg; 7. a base; 8. mounting a plate; 9. welding the plate; 10. a positioning groove; 11. positioning the convex body; 12. connecting blocks; 13. a spring; 14. a fixed block; 15. and (6) positioning the pin shaft.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-3, the utility model provides a lower grey semitrailer leg structure, which comprises a base 1, both sides fixedly connected with longeron 2 of 1 bottom on chassis, the middle part fixedly connected with U-shaped pole 3 of 1 bottom on chassis, U-shaped pole 3 is located between two longerons 2, the inside bottom fixedly connected with dead lever 4 of U-shaped pole 3, the both sides of 3 bottoms of U-shaped pole all have last landing leg 5 through the welding of welded plate 9 welding, the bottom of 5 two last landing legs all is overlapped and is equipped with lower leg 6, the top of 5 both sides of two last landing legs all is through mounting panel 8 and dead lever 4 fixed connection, the equal fixedly connected with base 7 in bottom of two lower legs 6, the cavity has all been seted up to the inside bottom of two lower legs 6, the inside of two cavities is all fixed.

Preferably, a plurality of positioning convex bodies 11 are fixedly arranged outside the two upper supporting legs 5, a plurality of positioning grooves 10 are formed inside the two lower supporting legs 6, vertical positioning connected between the upper supporting legs 5 and the lower supporting legs 6 is increased, and overall stability is improved.

Preferably, a plurality of positioning groove 10 is a semicircular structure, and the outside of a plurality of positioning convex body 11 is an arc structure, so that the positioning function can be realized, and the processing is convenient.

Preferably, the top ends of the two bases 7 are fixedly provided with connecting blocks 12, the top ends of the two connecting blocks 12 are elastically connected with the top end inside the cavity through springs 13, and the connecting blocks 12 and the springs 13 extrude to increase the pressure resistance of the lower supporting leg 6.

Preferably, the two sides of the two cavities are fixedly connected with fixing blocks 14, so that the structural strength of the lower supporting leg 6 is improved.

Preferably, a plurality of pinholes are formed in the middle of one side of each of the two lower supporting legs 6, and a positioning pin shaft 15 is inserted into the pinholes so as to adjust and fix the longitudinal height of the upper supporting leg 5.

When the semitrailer is placed on the ground, the vertical distance of the upper supporting leg 5 is adjusted by adjusting the position of the pin hole through the positioning pin shaft 15, the vertical distance between the upper supporting leg 5 and the lower supporting leg 6 is increased by arranging a plurality of positioning convex bodies 11 outside the upper supporting leg 5 and arranging a plurality of positioning grooves 10 inside the lower supporting leg 6, the vertical positioning between the upper supporting leg 5 and the lower supporting leg 6 is increased, the overall stability is improved, the lower supporting leg 6 is contacted with the ground to prevent the inclination of the vehicle, the top end of the upper supporting leg 5 is welded with the chassis 1 through the welding plate 9, in addition, the top parts of the two sides of the two upper supporting legs 5 are fixedly connected with the fixed rod 4 through the mounting plate 8, the fixing mode of the semitrailer is increased, the welding is avoided, the structural strength of the supporting legs is increased, and the top end of the chassis 7 is elastically connected with the spring 13 through the connecting, when the lower support leg 6 is in contact with the ground, the spring 13 generates a reaction force, and the shock absorption and buffering performance is improved, so that the bearing capacity of the lower support leg 6 of the semitrailer is improved, and the compression resistance is improved.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Claims

1. The support leg structure of the ash discharging semitrailer comprises a chassis (1) and is characterized in that longitudinal beams (2) are fixedly connected to two sides of the bottom of the chassis (1), a U-shaped rod (3) is fixedly connected to the middle of the bottom of the chassis (1), the U-shaped rod (3) is located between the two longitudinal beams (2), a fixed rod (4) is fixedly connected to the bottom of the inside of the U-shaped rod (3), upper support legs (5) are welded to two sides of the bottom of the U-shaped rod (3) through welding plates (9), lower support legs (6) are sleeved at the bottoms of the two upper support legs (5), the tops of two sides of the two upper support legs (5) are fixedly connected with the fixed rod (4) through mounting plates (8), bases (7) are fixedly connected to the bottoms of the two lower support legs (6), and cavities are formed in the bottoms of the inside of the two lower support legs (6), and springs (13) are fixedly arranged in the two cavities.

2. The leg structure of the ash discharging semitrailer according to claim 1, characterized in that a plurality of positioning convex bodies (11) are fixedly arranged outside the two upper legs (5), and a plurality of positioning grooves (10) are formed inside the two lower legs (6).

3. The leg structure of the ash discharging semitrailer according to claim 2, characterized in that a plurality of the positioning grooves (10) are all semi-circular arc structures, and the outer parts of a plurality of the positioning convex bodies (11) are all arc structures.

4. The leg structure of the semitrailer discharging ash according to claim 1, characterized in that connecting blocks (12) are fixedly mounted at the top ends of the two bases (7), and the top ends of the two connecting blocks (12) are elastically connected with the top ends inside the cavities through springs (13).

5. The leg structure of the ash discharging semitrailer according to claim 1, characterized in that fixing blocks (14) are fixedly connected to two sides of the two cavities.

6. The leg structure of the ash discharging semitrailer according to claim 1, characterized in that the middle part of one side of each of the two lower legs (6) is provided with a plurality of pin holes, and positioning pin shafts (15) are inserted into the pin holes.