CN219361175U

CN219361175U - Semitrailer with adjustable carriage area

Info

Publication number: CN219361175U
Application number: CN202320881536.3U
Authority: CN
Inventors: 董鸣勇; 唐静波; 何安然
Original assignee: Zhongzhen Hanjiang Equipment Technology Co ltd
Current assignee: Zhongzhen Hanjiang Equipment Technology Co ltd
Priority date: 2023-04-19
Filing date: 2023-04-19
Publication date: 2023-07-18
Anticipated expiration: 2033-04-19

Abstract

The utility model discloses a semitrailer with an adjustable carriage area, which relates to the technical field of semitrailers, and particularly comprises a tractor, wherein a bearing plate is arranged at one end of the tractor, and driving wheels are arranged at two sides of the bottom of the bearing plate; the bottom plate is installed at the top of loading board, and the inside of bottom plate is equipped with the cavity, and the bottom plate is run through to the both sides of cavity, and the both sides of cavity all correspond the holding and have the push pedal, are equipped with actuating mechanism in the cavity, and the both sides of bottom plate all are equipped with first strip shaped plate perpendicularly along the length direction of bottom plate, first strip shaped plate and push pedal fixed connection, and the both ends between two first strip shaped plates are all connected through first telescopic machanism. When the lifting device is used, the first hydraulic cylinder drives the supporting plate mechanism to lift, and layering operation is carried out on the carriage while the carriage area is increased, so that better goods are placed, the extrusion effect on the lowest goods after goods are stacked is reduced, and the damage probability of the goods in the transportation process is reduced.

Description

Semitrailer with adjustable carriage area

Technical Field

The utility model relates to the technical field of semitrailers, in particular to a semitrailer capable of adjusting the carriage area.

Background

The semitrailer is a transport means widely applied in the modern transportation industry, the front end of the semitrailer can be connected with the tractor to be supported and towed by the tractor when the semitrailer runs, the front end for implementing the delivery can be unhooked from the tractor when the semitrailer does not run, and a semitrailer supporting device is often arranged at the bottom of the near front end of the semitrailer in order to support the front end of the semitrailer after unhooking.

Because the carriage area of most semitrailers is usually fixed, the transportation efficiency is reduced, and the corresponding semitrailers are required to be selected and used according to the quantity of transported cargos during use, the use adaptability of the semitrailers is reduced, and the stress required by the quantity of bursty cargos is reduced, so that the existing partial semitrailers are provided with vertical lifting adjustment to expand the carriage space and improve the adaptability of the semitrailers, although the carriage area can be adjusted, after the adjustment, the cargos are increased along with the increase of the placed cargos, the cargos are stacked continuously, the extrusion effect on the cargos positioned at the bottom layer is larger and larger, and the damage to the package of the cargos at the bottom and even the cargos inside the package is very likely to occur during transportation. For this reason, we propose a semitrailer with adjustable cabin area to solve the above problems.

Disclosure of Invention

In order to solve the defects in the prior art, the utility model provides a semitrailer with an adjustable carriage area.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the semitrailer comprises a tractor, wherein a bearing plate is arranged at one end of the tractor, and driving wheels are arranged at two sides of the bottom of the bearing plate;

the top of the bearing plate is provided with a bottom plate, a cavity is arranged in the bottom plate, two sides of the cavity penetrate through the bottom plate, pushing plates are correspondingly accommodated at two sides of the cavity, a driving mechanism is arranged in the cavity, first strip-shaped plates are vertically arranged at two sides of the bottom plate along the length direction of the bottom plate, the first strip-shaped plates are fixedly connected with the pushing plates, and two ends between the two first strip-shaped plates are connected through first telescopic mechanisms;

the top parallel of bottom plate is equipped with backup pad mechanism, and backup pad mechanism's corner all is connected with the push pedal through first pneumatic cylinder, backup pad mechanism's both sides all are equipped with the second strip shaped plate, and the both ends and the first pneumatic cylinder of second strip shaped plate correspond to be connected, the both ends between the second strip shaped plate all are connected through the second telescopic machanism.

Preferably, the driving mechanism comprises a plurality of groups of second hydraulic cylinders and third hydraulic cylinders, the second hydraulic cylinders and the third hydraulic cylinders are mutually parallel and reversely arranged, the second hydraulic cylinders and the third hydraulic cylinders are equidistantly arranged in the cavity along the length direction of the bottom plate, and the second hydraulic cylinders and the third hydraulic cylinders are respectively and correspondingly connected with the push plates on two sides.

Preferably, the first telescopic machanism includes first support column, and first support column is a plurality of altogether, and arrange along the width direction equidistance of bottom plate, first support column is fixed on the bottom plate perpendicularly, all is equipped with the head rod between two adjacent first support columns and first support column and the first strip shaped plate, and the both ends of head rod all holding is in first stay tube, the other end and the first support column and the first strip shaped plate fixed connection of corresponding of first stay tube.

Preferably, the supporting plate mechanism comprises a plurality of third strip-shaped plates which are equidistantly arranged, the third strip-shaped plates are arranged along the length direction of the bottom plate, strip-shaped grooves are correspondingly formed in two sides of each third strip-shaped plate, connecting plates are contained in the strip-shaped grooves, two adjacent third strip-shaped plates are connected through the containing of the connecting plates in the strip-shaped grooves, and the connecting plates close to the second strip-shaped plates are fixedly connected with the second strip-shaped plates;

the second telescopic machanism includes a plurality of equidistance second support columns of arranging, and the second support column corresponds and fixes perpendicularly in the both ends of third strip shaped plate, and two adjacent second support columns all are equipped with the second connecting rod, and the both ends of second connecting rod all hold in the second stay tube, and the other end and the second support column fixed connection of second stay tube, and be located both sides edge second support column and first pneumatic cylinder fixed connection.

Preferably, a first inlet and a first outlet are formed in one of the first strip-shaped plates along the length direction of the first strip-shaped plate, a first opening and closing door is hinged to the bottom of the first inlet and outlet, and two ends of the top of the first opening and closing door are connected with the first strip-shaped plate through first lock catches;

the second strip-shaped plate close to the first inlet and the second inlet is provided with a second inlet and a second outlet along the length direction of the second strip-shaped plate, the top of the second inlet and the second outlet is hinged with a second opening and closing door, and two ends of the bottom of the second opening and closing door are connected with the second strip-shaped plate through second lock catches.

Preferably, a top cover is arranged above the supporting plate mechanism, the top cover is parallel to the bottom plate, the bottom of the top cover is fixedly connected with the first hydraulic cylinder, a skirt edge is arranged at the edge of the top cover, and the skirt edge corresponds to the first strip-shaped plate.

Preferably, each of the first strip-shaped plate and each of the second strip-shaped plate is provided with a plurality of through holes which are arranged at equal intervals.

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

this semitrailer of adjustable carriage area drives backup pad mechanism through first pneumatic cylinder and goes up and down, when improving carriage area, carries out layering operation to the carriage, has guaranteed putting of better goods promptly, has reduced the goods simultaneously and has piled up and increase the back, to the extrusion effect of the goods of the below, reduces the damage probability of goods in the transportation.

Drawings

FIG. 1 is a schematic diagram of a semitrailer with an adjustable cabin area according to the present utility model;

FIG. 2 is a schematic diagram showing a cross-sectional bottom structure of a bottom plate of a semitrailer with an adjustable cabin area according to the present utility model;

FIG. 3 is a schematic diagram of a support plate mechanism of a semitrailer with an adjustable cabin area according to the present utility model;

fig. 4 is a schematic diagram of a structure of a semitrailer with an adjustable cabin area according to the present utility model.

In the figure: 1. a tractor; 2. a carrying plate; 3. a bottom plate; 4. a first strip-shaped plate; 5. a first hydraulic cylinder; 6. a second lock catch; 7. a second strip-shaped plate; 8. a top cover; 9. a cavity; 10. a push plate; 11. a second hydraulic cylinder; 12. a third hydraulic cylinder; 13. a first support column; 14. a first support tube; 15. a first connecting rod; 16. a second support column; 17. a second support tube; 18. a second connecting rod; 19. a third strip-shaped plate; 20. a bar-shaped groove; 21. a connecting plate; 22. a first access port; 23. a first opening/closing door; 24. a first lock catch; 25. a second inlet and outlet; 26. and a second opening and closing door.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, the present utility model provides a technical solution: the semitrailer with the adjustable carriage area comprises a tractor 1, wherein a bearing plate 2 is arranged at one end of the tractor 1, and driving wheels are arranged at two sides of the bottom of the bearing plate 2;

the bottom plate 3 is arranged at the top of the bearing plate 2, a cavity 9 is arranged in the bottom plate 3, two sides of the cavity 9 penetrate through the bottom plate 3, push plates 10 are correspondingly accommodated at two sides of the cavity 9, a driving mechanism is arranged in the cavity 9, first strip-shaped plates 4 are vertically arranged at two sides of the bottom plate 3 along the length direction of the bottom plate 3, the first strip-shaped plates 4 are fixedly connected with the push plates 10, and two ends between the two first strip-shaped plates 4 are connected through first telescopic mechanisms;

the parallel backup pad mechanism that is equipped with in top of bottom plate 3, backup pad mechanism's corner all is connected with push pedal 10 through first pneumatic cylinder 5, backup pad mechanism's both sides all are equipped with second strip shaped plate 7, and the both ends and the first pneumatic cylinder 5 of second strip shaped plate 7 correspond to be connected, the both ends between the second strip shaped plate 7 all are connected through the second telescopic machanism, when the goods that need load is too much, can start first pneumatic cylinder 5, promote backup pad mechanism and upwards move to make the separation between backup pad mechanism and the bottom plate 3, thereby vacate the spatial position of bottom plate 3 top, so that carry out the placing of goods, improved the area of placing of goods in the carriage promptly, can not increase the goods atress condition that is located the carriage bottom again.

Further, the driving mechanism comprises a plurality of groups of second hydraulic cylinders 11 and third hydraulic cylinders 12, the second hydraulic cylinders 11 and the third hydraulic cylinders 12 are mutually parallel and reversely arranged, the second hydraulic cylinders 11 and the third hydraulic cylinders 12 are equidistantly arranged in the cavity 9 along the length direction of the bottom plate 3, the second hydraulic cylinders 11 and the third hydraulic cylinders 12 are respectively correspondingly connected with the push plates 10 on two sides to push the first strip-shaped plate 4 and drive the second strip-shaped plate 7 to move towards two sides, so that the inner area of a carriage is further enlarged.

Further, the first telescopic mechanism comprises a plurality of first support columns 13, the first support columns 13 are shared and are arranged at equal intervals along the width direction of the bottom plate 3, the first support columns 13 are vertically fixed on the bottom plate 3, first connecting rods 15 are arranged between two adjacent first support columns 13 and between the first support columns 13 and the first strip-shaped plates 4, two ends of each first connecting rod 15 are contained in the first support tube 14, the other ends of the first support tubes 14 are fixedly connected with the corresponding first support columns 13 and the corresponding first strip-shaped plates 4, and two ends of the first strip-shaped plates 4 are shielded while the first strip-shaped plates 4 are not influenced to move towards two sides.

Further, the supporting plate mechanism comprises a plurality of third strip-shaped plates 19 which are equidistantly arranged, the third strip-shaped plates 19 are arranged along the length direction of the bottom plate 3, strip-shaped grooves 20 are correspondingly formed in two sides of each third strip-shaped plate 19, connecting plates 21 are respectively arranged in the strip-shaped grooves 20, two adjacent third strip-shaped plates 19 are connected through the containing of the connecting plates 21 in the strip-shaped grooves 20, the connecting plates 21 close to the second strip-shaped plates 7 are fixedly connected with the second strip-shaped plates 7, and the bottom surface support at the second strip-shaped plates 7 is completed by the fact that the third strip-shaped plates 19 are far away from and close to each other, so that the influence of gaps in expansion is reduced, and the stability of goods placed on the goods is ensured;

the second telescopic machanism includes a plurality of equidistance second support columns 16 of arranging, second support column 16 corresponds and fixes perpendicularly in the both ends of third strip shaped plate 19, and two adjacent second support columns 16 all are equipped with second connecting rod 18, and the both ends of second connecting rod 18 all hold in second stay tube 17, and the other end and the second support column 16 fixed connection of second stay tube 17, and lie in both sides edge second support column 16 and first pneumatic cylinder 5 fixed connection, shelter from the both ends of the second strip shaped plate 7 after opening.

Further, a first inlet and outlet 22 is arranged on one of the first strip-shaped plates 4 along the length direction of the first strip-shaped plate 4, a first opening and closing door 23 is hinged to the bottom of the first inlet and outlet 22, and two ends of the top of the first opening and closing door 23 are connected with the first strip-shaped plate 4 through a first lock catch 24;

the second strip-shaped plate 7 close to the first inlet and outlet 22 is provided with a second inlet and outlet 25 along the length direction of the second strip-shaped plate 7, the top of the second inlet and outlet 25 is hinged with a second opening and closing door 26, two ends of the bottom of the second opening and closing door 26 are connected with the second strip-shaped plate 7 through a second lock catch 6, the opening angle of the second opening and closing door 26 is opposite to that of the first opening and closing door 23, and the second opening and closing door 26 after the first opening and closing door 23 is unfolded is not influenced by the fact that the second strip-shaped plate 7 is placed on the inner side of the first strip-shaped plate 4 during loading and unloading.

Further, the top of backup pad mechanism is equipped with top cap 8, and top cap 8 is on a parallel with bottom plate 3, and the bottom and the 5 fixed connection of first pneumatic cylinder of top cap 8, the edge of top cap 8 installs the shirt rim, and the shirt rim corresponds with first strip shaped plate 4, descends the back to second strip shaped plate 7 for the shirt rim of top cap 8 wraps up stably first strip shaped plate 4.

Further, each of the first strip-shaped plates 4 and each of the second strip-shaped plates 7 are provided with a plurality of through holes which are arranged at equal intervals, so that the supporting strength of the first strip-shaped plates 4 and the second strip-shaped plates 7 is ensured, and meanwhile, the gravity of the second strip-shaped plates 7 and the first strip-shaped plates 4 is reduced, so that the first strip-shaped plates 4 and the second strip-shaped plates 7 can move more laborsaving.

In summary, when the semitrailer with the adjustable carriage area is used, if the cargoes are only slightly more, the first hydraulic cylinder 5 or the second hydraulic cylinder 11 and the third hydraulic cylinder 12 can be independently controlled, the second strip-shaped plate 7 is independently pushed to rise, or the first strip-shaped plate 4 drives the second strip-shaped plate 7 to move to two sides so as to achieve the purpose of adjusting the carriage area, so that more cargoes can be placed, if the cargoes are too much and the single area adjustment cannot be met, the operation can be repeated, and the first hydraulic cylinder 5, the second hydraulic cylinder 11 and the third hydraulic cylinder 12 are simultaneously started so as to achieve the purposes that the first strip-shaped plate 4 and the second strip-shaped plate 7 are expanded to two sides and the second strip-shaped plate 7 is lifted upwards, so that the carriage is adjusted in a larger space for placing the cargoes.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an adjustable carriage area's semitrailer, includes tractor (1), its characterized in that: one end of the tractor (1) is provided with a bearing plate (2), and driving wheels are arranged on two sides of the bottom of the bearing plate (2);

the top of the bearing plate (2) is provided with a bottom plate (3), a cavity (9) is arranged in the bottom plate (3), two sides of the cavity (9) penetrate through the bottom plate (3), push plates (10) are correspondingly accommodated on two sides of the cavity (9), a driving mechanism is arranged in the cavity (9), two sides of the bottom plate (3) are vertically provided with first strip-shaped plates (4) along the length direction of the bottom plate (3), the first strip-shaped plates (4) are fixedly connected with the push plates (10), and two ends between the two first strip-shaped plates (4) are connected through first telescopic mechanisms;

the parallel backup pad mechanism that is equipped with in top of bottom plate (3), backup pad mechanism's corner all is connected with push pedal (10) through first pneumatic cylinder (5), backup pad mechanism's both sides all are equipped with second strip shaped plate (7), and the both ends and the first pneumatic cylinder (5) of second strip shaped plate (7) correspond to be connected, the both ends between second strip shaped plate (7) are all connected through second telescopic machanism.

2. The adjustable bed area semitrailer of claim 1, wherein: the driving mechanism comprises a plurality of groups of second hydraulic cylinders (11) and third hydraulic cylinders (12), the second hydraulic cylinders (11) and the third hydraulic cylinders (12) are mutually parallel and reversely arranged, the second hydraulic cylinders (11) and the third hydraulic cylinders (12) are equidistantly arranged in the cavity (9) along the length direction of the bottom plate (3), and the second hydraulic cylinders (11) and the third hydraulic cylinders (12) are respectively connected with pushing plates (10) on two sides correspondingly.

3. The adjustable bed area semitrailer of claim 1, wherein: the first telescopic machanism includes first support column (13), and first support column (13) are a plurality of altogether, and arrange along the width direction equidistance of bottom plate (3), first support column (13) vertical fixation is on bottom plate (3), all is equipped with head rod (15) between two adjacent first support column (13) and first strip shaped plate (4), and the both ends of head rod (15) all hold in first stay tube (14), the other end of first stay tube (14) and corresponding first support column (13) and first strip shaped plate (4) fixed connection.

4. The adjustable bed area semitrailer of claim 1, wherein: the supporting plate mechanism comprises a plurality of third strip-shaped plates (19) which are equidistantly arranged, the third strip-shaped plates (19) are arranged along the length direction of the bottom plate (3), strip-shaped grooves (20) are correspondingly formed in two sides of each third strip-shaped plate (19), connecting plates (21) are contained in each strip-shaped groove (20), two adjacent third strip-shaped plates (19) are connected through the containing of the connecting plates (21) in the strip-shaped grooves (20), and the connecting plates (21) close to the second strip-shaped plates (7) are fixedly connected with the second strip-shaped plates (7);

the second telescopic machanism includes second support column (16) that a plurality of equidistance were arranged, second support column (16) correspond and perpendicular fix the both ends at third strip shaped plate (19), and two adjacent second support column (16) all are equipped with second connecting rod (18), and the both ends of second connecting rod (18) all hold in second stay tube (17), and the other end and the second support column (16) fixed connection of second stay tube (17), and be located both sides edge second support column (16) and first pneumatic cylinder (5) fixed connection.

5. The adjustable bed area semitrailer of claim 1, wherein: a first inlet and outlet (22) is arranged on one first strip-shaped plate (4) along the length direction of the first strip-shaped plate (4), a first opening and closing door (23) is hinged to the bottom of the first inlet and outlet (22), and two ends of the top of the first opening and closing door (23) are connected with the first strip-shaped plate (4) through first lock catches (24);

the second strip-shaped plate (7) close to the first inlet and outlet (22) is provided with a second inlet and outlet (25) along the length direction of the second strip-shaped plate (7), the top of the second inlet and outlet (25) is hinged with a second opening and closing door (26), and two ends of the bottom of the second opening and closing door (26) are connected with the second strip-shaped plate (7) through second lock catches (6).

6. The adjustable bed area semitrailer of claim 1, wherein: the top of backup pad mechanism is equipped with top cap (8), and top cap (8) are on a parallel with bottom plate (3), and the bottom and the first pneumatic cylinder (5) fixed connection of top cap (8), the edge of top cap (8) installs the shirt rim, and the shirt rim corresponds with first strip shaped plate (4).

7. The adjustable bed area semitrailer of claim 1, wherein: and a plurality of through holes which are equidistantly arranged are formed in each first strip-shaped plate (4) and each second strip-shaped plate (7).