CN109018078B

CN109018078B - A protractile formula trailer for AGV dolly

Info

Publication number: CN109018078B
Application number: CN201810922060.7A
Authority: CN
Inventors: 张二阳; 吴亚鹏
Original assignee: Suzhou Xunji Zhixing Robot Technology Co ltd
Current assignee: Suzhou Xunji Zhixing Robot Technology Co ltd
Priority date: 2018-08-14
Filing date: 2018-08-14
Publication date: 2021-05-28
Anticipated expiration: 2038-08-14
Also published as: CN109018078A

Abstract

The invention discloses a stretchable trailer for an AGV (automatic guided vehicle), which comprises a first vehicle body, a second vehicle body and a third vehicle body which are sequentially arranged, wherein the left side and the right side of the second vehicle body are respectively connected with the first vehicle body and the third vehicle body through U-shaped supporting plates, a cavity is arranged in the second vehicle body, threaded rods are rotatably connected to the front side and the rear side of the second vehicle body, and one end, far away from the second vehicle body, of each threaded rod is fixedly connected with a disk-shaped handle. According to the invention, through the arrangement of the adjusting mechanism, the length of the trailer can be adjusted to load cargoes of different sizes, the vehicle bodies are connected through the U-shaped supporting plate, when large cargoes are loaded, the connection of the trolley is more stable, the U-shaped supporting plate is connected in the first vehicle body and the third vehicle body in a sliding mode, when the trailer extends, the supporting rod correspondingly moves out of the sliding groove, the gap between the vehicle bodies is supplemented, and the situation that some fragmentary cargoes are left on the ground at the gap during loading is prevented.

Description

A protractile formula trailer for AGV dolly

Technical Field

The invention relates to the technical field of AGV trolleys, in particular to a stretchable trailer for an AGV trolley.

Background

The AGV dolly is an automatic guiding device that degree of automation is high, can carry the goods along the trailer that the route guidance loaded the goods that sets for, mainly guides through the guide mode of electromagnetic induction, laser and vision.

AGV dolly itself can not carry on the goods, need set up the trailer behind the dolly and be used for loading, and current trailer can load the transportation to the goods of equidimension not, but its mainly realizes the extendible effect of trailer automobile body through the setting of ratchet and pawl.

But only have the ratchet and connect trailer middle part, because the centre of gravity below of goods does not have the strong point like this, the trailer when loading great and more goods the ratchet holding power is not enough, leads to the trailer automobile body stable inadequately, damages the trailer easily.

Disclosure of Invention

The invention aims to solve the problem that the trailer for stretching and loading goods is not stable enough in the prior art, and provides an extensible trailer for an AGV.

In order to achieve the effect, the invention adopts the following scheme: a stretchable trailer for an AGV comprises a first vehicle body, a second vehicle body and a third vehicle body which are sequentially arranged, wherein the left side and the right side of the second vehicle body are respectively connected with the first vehicle body and the third vehicle body through U-shaped supporting plates, a cavity is arranged in the second vehicle body, threaded rods are respectively connected with the front side and the rear side of the second vehicle body in a rotating manner, one end of each threaded rod, far away from the second vehicle body, is fixedly connected with a disc-shaped handle, one end of each threaded rod, far away from the handle, penetrates through the second vehicle body and is rotatably connected with the inner side wall of the cavity, the outer side wall of the second vehicle body is connected with the handle through a limiting mechanism, the threaded rods are respectively connected with the first vehicle body and the second vehicle body through telescopic mechanisms, a plurality of universal wheels are respectively and fixedly connected with the bottom of the first vehicle body, the bottom of the, and the outer side wall of the third vehicle body is fixedly connected with a hanging ring corresponding to the hook.

Preferably, the limiting mechanism comprises a limiting rod inserted on the handle, the handle is provided with a plurality of sliding openings which are arranged around the axis of the threaded rod and correspond to the limiting rod, and the outer side wall of the second vehicle body is provided with a limiting groove corresponding to the limiting rod.

Preferably, telescopic machanism includes that the screw thread cup joints the movable block at the threaded rod lateral wall, the movable block left and right sides all rotates and is connected with the connecting rod, the one end that the movable block was kept away from to the connecting rod rotates and is connected with the horizontal pole, the one end that the connecting rod was kept away from to the horizontal pole runs through the inside wall of cavity and outwards extends, the cavity inside wall is equipped with the sliding opening that corresponds with the horizontal pole, is close to first automobile body one side horizontal pole fixed connection is on first automobile body lateral wall, is close to third automobile body one side horizontal pole fixed connection is on third automobile body lateral wall.

Preferably, the equal first pivot of fixedly connected with in the left and right sides of movable block, the movable block lateral wall is equipped with the mounting groove that corresponds with first pivot, the connecting rod rotates and cup joints on first pivot lateral wall, the one end that the movable block was kept away from to the connecting rod rotates and is connected with the second pivot, the horizontal pole rotates and cup joints on second pivot lateral wall, the horizontal pole is located the connecting rod top.

Preferably, the U-shaped supporting plate is far away from one end of the second vehicle body and is fixedly connected with a sliding block, the outer side walls of the first vehicle body and the third vehicle body are respectively provided with a sliding groove corresponding to the U-shaped supporting plate, and the bottom of the sliding groove is provided with a sliding groove corresponding to the sliding block.

Preferably, the fixed cover of threaded rod lateral wall has connect the lantern ring, the inside wall of second car body cavity is equipped with the joint interface that corresponds with the lantern ring, the lantern ring rotates to be connected on the joint interface.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:

1. through the arrangement of the adjusting mechanism, the trailer can be extended, so that cargoes of different sizes can be loaded, the first vehicle body, the second vehicle body and the third vehicle body are connected through the U-shaped supporting plate, when large cargoes are loaded, the trolley is more stably connected, and the effects that the trailer is extensible and stronger in stability are achieved;

2. first automobile body and third automobile body sliding connection have U type backup pad, and when the trailer extends, the corresponding spout that shifts out of bracing piece to play supplementary effect to the clearance between the automobile body, prevent when loading that some fragmentary goods are left in clearance department and are fallen subaerial.

Drawings

FIG. 1 is a schematic side view of an extendable trailer for an AGV according to the present invention;

FIG. 2 is a schematic diagram of an adjustment mechanism for an extendable trailer of an AGV according to the present invention;

FIG. 3 is a schematic bottom view of an extendable trailer for an AGV according to the present invention;

FIG. 4 is a side cross-sectional schematic view of a support bar in an extendable trailer for an AGV according to the present invention;

FIG. 5 is a schematic top cross-sectional view of a support plate for an extensible trailer for an AGV according to the present invention.

In the figure: the vehicle comprises a first vehicle body 1, a second vehicle body 2, a third vehicle body 3, a 4U-shaped supporting plate, a threaded rod 5, a handle 6, a universal wheel 7, a hook 8, a hanging ring 9, a movable block 10, a connecting rod 11, a cross rod 12, a first rotating shaft 13, a second rotating shaft 14, a sliding block 15 and a limiting rod 16.

Detailed Description

The invention will be further described with reference to examples of embodiments shown in the drawings to which the invention is attached.

Referring to fig. 1-5, a stretchable trailer for an AGV comprises a first vehicle body 1, a second vehicle body 2 and a third vehicle body 3, which are sequentially arranged, wherein the left side and the right side of the second vehicle body 2 are respectively connected with the first vehicle body 1 and the third vehicle body 3 through a U-shaped support plate 4, one end of the U-shaped support plate 4 far away from the second vehicle body 2 is fixedly connected with a slide block 15, the outer side walls of the first vehicle body 1 and the third vehicle body 3 are respectively provided with a slide groove corresponding to the U-shaped support plate 4, the bottom of the slide groove is provided with a slide groove corresponding to the slide block 15, the U-shaped support plate 4 can slide and extend in the slide groove when the trailer is stretched, and also supplements the gap between the trailers to prevent the scattered objects from falling, a cavity is arranged in the second vehicle body 2, the front side and the rear side of the second vehicle body 2 are both rotatably connected with threaded rods 5, one end of the threaded, one end of the threaded rod 5, which is far away from the handle 6, penetrates through the second vehicle body 2 and is rotatably connected with the inner side wall of the cavity.

Wherein, the 5 lateral walls of threaded rod are fixed to have cup jointed the lantern ring, the inside wall of the 2 cavities of second car body is equipped with the joint interface that corresponds with the lantern ring, the lantern ring rotates to be connected on the joint interface, prevent threaded rod 5 horizontal slip in the cavity, 2 lateral walls of second car body pass through stop gear and are connected with handle 6, stop gear is including inserting gag lever post 16 of establishing on handle 6, be equipped with on handle 6 and use the 5 axle centers of threaded rod as a plurality of gliding mouths that correspond with gag lever post 16 that encircle the setting, 2 lateral walls of second car body are equipped with the spacing groove that corresponds with gag lever post 16, prevent after adjusting trailer length, threaded rod 5 takes place to rotate, threaded rod 5 passes through telescopic machanism and is connected with first car body 1 and second car body 2 respectively.

Wherein, telescopic machanism includes that the screw thread cup joints the movable block 10 at 5 lateral walls of threaded rod, the equal rotation in the 10 left and right sides of movable block is connected with connecting rod 11, the one end that connecting rod 11 was kept away from to connecting rod 11 is rotated and is connected with horizontal pole 12, horizontal pole 12 one end of keeping away from connecting rod 11 runs through the inside wall of cavity and outwards extends, the cavity inside wall is equipped with the sliding port that corresponds with horizontal pole 12, be close to the horizontal pole 12 fixed connection of 1 one side of first automobile body on 1 lateral wall of first automobile body, be close to the horizontal pole 12 fixed connection of 3 one sides of third automobile body on 3 lateral walls of third automobile body, it is 10 horizontal migration of movable block to rotate through threaded rod 5, thereby it is flexible to make connecting rod 11 take place to.

Wherein, the left side and the right side of the movable block 10 are both fixedly connected with a first rotating shaft 13, the outer side wall of the movable block 10 is provided with a mounting groove corresponding to the first rotating shaft 13, the connecting rod 11 is rotatably sleeved on the outer side wall of the first rotating shaft 13, one end of the connecting rod 11 far away from the movable block 10 is rotatably connected with a second rotating shaft 14, the cross rod 12 is rotatably sleeved on the outer side wall of the second rotating shaft 14, the cross rod 12 is positioned above the connecting rod 11, when the movable block 10 moves, the distance that the connecting rod 11 adjusted the horizontal direction through rotating realizes flexible, and first automobile body 1 bottom, second automobile body 2 bottom and third automobile body 3 bottom all fixedly connected with a plurality of universal wheels 7, universal wheel 7 are among the prior art model M4-6109 and contribute to the universal wheel 7 of 939, first automobile body 1 lateral wall fixedly connected with couple 8, third automobile body 3 lateral wall fixedly connected with the link 9 that couple 8 corresponds.

The invention loads larger goods, when the space of the trailer is insufficient, the handle 6 is rotated to drive the threaded rod 5 to rotate, the movable block 10 which is sleeved on the outer side wall of the threaded rod 5 by the thread moves, so that the connecting rod 11 rotates in the horizontal direction by taking the second rotating shaft 14 as the center of a circle, the cross rod 12 is limited in the horizontal direction by the sliding opening, when the movable block 10 moves, the connecting rod 11 is abutted against one end of the cross rod 12 to enable the cross rod 12 to extend outwards, when the trailer extends to be consistent with the size of the goods, the handle 6 stops rotating, the limiting rod 16 is inserted into the sliding opening corresponding to the limiting groove on the handle 6 and extends into the limiting groove, the hook 8 is connected with the AGV trolley, and the hanging ring 9 can be connected with the hook 8 of the trailer behind.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a protractile formula trailer for AGV dolly, includes first automobile body (1), second automobile body (2) and third automobile body (3) that set gradually, its characterized in that, the second automobile body (2) left and right sides is passed through U type backup pad (4) and is connected with first automobile body (1) and third automobile body (3) respectively, be equipped with the cavity in the second automobile body (2), both sides are all rotated around second automobile body (2) and are connected with threaded rod (5), the one end fixedly connected with that second automobile body (2) were kept away from in threaded rod (5) is discoid handle (6), the one end that handle (6) were kept away from in threaded rod (5) runs through second automobile body (2) and is connected with the inside wall rotation of cavity, second automobile body (2) lateral wall passes through stop gear and is connected with handle (6), threaded rod (5) are connected with first automobile body (1) and second automobile body (2) respectively through telescopic machanism, the bottom of the first vehicle body (1), the bottom of the second vehicle body (2) and the bottom of the third vehicle body (3) are fixedly connected with a plurality of universal wheels (7), the outer side wall of the first vehicle body (1) is fixedly connected with a hook (8), and the outer side wall of the third vehicle body (3) is fixedly connected with a hanging ring (9) corresponding to the hook (8);

the limiting mechanism comprises a limiting rod (16) inserted on the handle (6), the handle (6) is provided with a plurality of sliding openings which are arranged around the axis of the threaded rod (5) and correspond to the limiting rod (16), and the outer side wall of the second vehicle body (2) is provided with a limiting groove corresponding to the limiting rod (16);

the telescopic mechanism comprises a movable block (10) which is sleeved on the outer side wall of the threaded rod (5) in a threaded manner, the left side and the right side of the movable block (10) are rotatably connected with connecting rods (11), one end, far away from the movable block (10), of each connecting rod (11) is rotatably connected with a cross rod (12), one end, far away from the connecting rods (11), of each cross rod (12) penetrates through the inner side wall of the cavity and extends outwards, the inner side wall of the cavity is provided with a sliding opening corresponding to the cross rod (12), the cross rod (12) close to one side of the first vehicle body (1) is fixedly connected to the outer side wall of the first vehicle body (1), and the cross rod (12) close to one side of the third vehicle body (3); the equal first pivot (13) of fixedly connected with in the left and right sides of movable block (10), movable block (10) lateral wall is equipped with the mounting groove that corresponds with first pivot (13), connecting rod (11) rotate and cup joint on first pivot (13) lateral wall, the one end that movable block (10) were kept away from in connecting rod (11) is rotated and is connected with second pivot (14), horizontal pole (12) are rotated and are cup jointed on second pivot (14) lateral wall, horizontal pole (12) are located connecting rod (11) top.

2. The extensible trailer for an AGV according to claim 1, wherein the U-shaped supporting plate (4) is fixedly connected with a sliding block (15) at one end far away from the second vehicle body (2), the outer side walls of the first vehicle body (1) and the third vehicle body (3) are provided with sliding grooves corresponding to the U-shaped supporting plate (4), and the bottoms of the sliding grooves are provided with sliding grooves corresponding to the sliding blocks (15).

3. The extendable trailer for an AGV trolley according to claim 1, wherein the threaded rod (5) has a collar fixed to the outer side wall, the inner side wall of the cavity of the second trolley body (2) has a clamping opening corresponding to the collar, and the collar is rotatably connected to the clamping opening.