CN-224226593-U - AGV dolly and yoke structure thereof

CN224226593UCN 224226593 UCN224226593 UCN 224226593UCN-224226593-U

Abstract

The utility model relates to the technical field of AGV trolleys, in particular to an AGV trolley and a fork arm structure thereof, which optimize a fork arm extending fork structure of a fork arm in a traditional fork arm, reduce a power source, simultaneously realize a step of better synchronous extending fork and retracting by a fork arm assembly connected to the same portal frame assembly, further improve scene suitability, prevent the fork arm assembly from contacting with the ground when the fork arm assembly is connected with the portal frame assembly, reduce a fork lifting structure or a caster retracting structure required in the traditional design, simplify the structure of the fork arm, remove a structure of a ground auxiliary wheel in the traditional fork arm, improve an integrally opened structure of an upper plate and a lower plate in the traditional fork arm, and enable the fork arm to be suitable for a field picking condition of Tian Zituo and take a word tray.

Inventors

XU XIANLIN
TIAN GUANGYI
MAO WEI

Assignees

广东塔斯克机器人有限公司

Dates

Publication Date: 20260512
Application Date: 20250519

Claims (9)

1. The fork arm structure of the AGV trolley is characterized by comprising a portal frame assembly and at least one fork arm assembly, wherein the portal frame assembly is used for being connected with the AGV trolley and is used for lifting a fork taking tray; The portal frame assembly comprises a support frame, a first driving unit and a tightening unit, wherein the support frame is used for being connected with an AGV trolley, the first driving unit is used for driving the support frame to move, and the tightening unit is used for enabling the first driving unit to avoid idle running; the support frame is provided with a sliding groove, and one end of the fork arm assembly is slidingly accommodated in the sliding groove.
2. The fork arm structure of the AGV trolley according to claim 1, wherein the fork arm assembly comprises a fork arm body for supporting a fork tray, a connecting unit for connecting the fork arm body and the supporting frame, a lifting unit for lifting the fork arm body and a second driving unit for driving the lifting unit; One end of the connecting unit is detachably connected with the fork arm body, and the other end of the connecting unit is slidingly accommodated in the sliding groove; the second driving unit is detachably connected with the fork arm body, and the output end of the second driving unit is fixedly connected with the lifting unit; the lifting unit is detachably connected with the fork arm body and is positioned at the bottom of the fork arm body.
3. The fork arm structure of the AGV trolley according to claim 2, wherein the lifting unit comprises a plurality of lifting pieces, wherein the lifting pieces are fixedly connected with the output end of the second driving unit respectively; The lifting piece comprises a first transmission rod, a second transmission rod, a first sliding block, a second sliding block, two first scissors, two second scissors corresponding to the two first scissors and a supporting plate; The first transmission rod and the second transmission rod are respectively and fixedly connected with the output end of the second driving unit, the first transmission rod is in threaded connection with the first sliding block, the second transmission rod is in threaded connection with the second sliding block, and the first sliding block and the second sliding block can be in sliding connection with the fork arm body; the first scissors and the corresponding second scissors are mutually hinged to form a scissors structure, one end of the first scissors is hinged to the first sliding block, and one end of the second scissors is hinged to the second sliding block; the other end of the first shear fork is provided with a first connecting wheel; Two first limiting blocks corresponding to the first scissors one by one and two second limiting blocks corresponding to the second scissors one by one are arranged on the supporting plate; The first limiting block is matched with the supporting plate to form a first limiting area, the second limiting block is matched with the supporting plate to form a second limiting area, the first connecting wheel is slidably accommodated in the corresponding first limiting area, and the second connecting wheel is slidably accommodated in the corresponding second limiting area.
4. The fork arm structure of the AGV trolley according to claim 3 wherein a plurality of guide pulleys are arranged on two sides of the first sliding block and the second sliding block, guide sliding grooves corresponding to the guide pulleys are formed in two side walls of the fork arm body, and the guide pulleys are slidably accommodated in the corresponding guide sliding grooves.
5. The fork arm structure of the AGV according to claim 2 wherein the connecting unit comprises a connecting plate and a plurality of guide wheels; one end of the connecting plate is detachably connected with the fork arm body, a plurality of guide wheels are arranged at the other end of the connecting plate, and a plurality of guide wheels are slidingly accommodated in the sliding groove.
6. The fork arm structure of an AGV according to claim 1 wherein said first drive unit comprises a mounting frame, a drive wheel for contacting the frame of the AGV, and a first drive member for driving said drive wheel to rotate; The mounting frame is detachably connected with the supporting frame, the driving wheel is rotatably connected with the mounting frame, the second driving piece is detachably connected with the mounting frame, and the output end of the second driving piece is in transmission connection with the driving wheel.
7. The fork arm structure of the AGV trolley according to claim 1 wherein the abutting unit comprises a connecting frame, at least one guide block, at least one guide shaft corresponding to the guide block and at least one abutting spring corresponding to the guide shaft; The connecting frame is detachably connected with the supporting frame, one end of the guide shaft is detachably connected with the connecting frame, the other end of the guide shaft is slidably connected with the guide block, the guide block is detachably connected with the mounting frame, the abutting spring is sleeved on the guide shaft, and the abutting spring abuts against the guide block.
8. A fork arm structure of an AGV cart according to claim 3 wherein said second drive unit includes a second drive member for driving said first and second drive levers; The first transmission rod and the second transmission rod are respectively and fixedly connected with the output end of the second driving piece.
9. An AGV trolley comprising a fork arm structure of an AGV trolley according to any one of claims 1-8.

Description

AGV dolly and yoke structure thereof Technical Field The utility model relates to the technical field of AGV trolleys, in particular to an AGV trolley and a fork arm structure thereof. Background The AGV trolley is widely applied to industries such as logistics, storage and the like and is used for reducing labor cost and improving working efficiency, the structural design of the traditional AGV trolley is that independent fork arms are installed on a frame assembly, the fork arms can be stretched and lifted to need power sources, the structure is complex, the whole open structure of the fork arms is difficult to fork to take a field character support, and the application scene of the field character support fork in the storage or transportation process cannot be adapted. Disclosure of utility model Aiming at the defects in the prior art, the utility model aims to provide an AGV trolley and a fork arm structure thereof so as to solve the problems in the prior art. The technical aim of the utility model is achieved through the following technical scheme that the AGV trolley and the fork arm structure thereof comprise a portal frame assembly and at least one fork arm assembly, wherein the portal frame assembly is used for being connected with the AGV trolley and is used for lifting a fork taking tray, the portal frame assembly comprises a support frame, a first driving unit and a tightening unit, the support frame is used for driving the support frame to move, the tightening unit is used for enabling the first driving unit to avoid idling, a sliding groove is formed in the support frame, and one end of the fork arm assembly is slidingly accommodated in the sliding groove. The fork arm assembly comprises a fork arm body for supporting a fork taking tray, a connecting unit for connecting the fork arm body with the supporting frame, a lifting unit for lifting the fork arm body and a second driving unit for driving the lifting unit, one end of the connecting unit is detachably connected with the fork arm body, the other end of the connecting unit is slidingly accommodated in the sliding groove, the second driving unit is detachably connected with the fork arm body, the output end of the second driving unit is fixedly connected with the lifting unit, and the lifting unit is detachably connected with the fork arm body and is positioned at the bottom of the fork arm body. The lifting unit comprises a plurality of lifting pieces, the lifting pieces are fixedly connected with the output ends of the second driving unit respectively, the lifting pieces comprise a first transmission rod, a second transmission rod, a first sliding block, a second sliding block, two first scissors and two second scissors and supporting plates corresponding to the two first scissors, the first transmission rod and the second transmission rod are fixedly connected with the output ends of the second driving unit respectively, the first transmission rod is in threaded connection with the first sliding block, the second transmission rod is in threaded connection with the second sliding block, the first sliding block and the second sliding block can be in sliding connection with the fork arm body, the first scissors are mutually hinged with the corresponding second scissors to form a scissors structure, one end of each first scissors is hinged with the first sliding block, one end of each second scissors is hinged with the corresponding second sliding block, the other end of each first scissors is connected with the corresponding second sliding block, the first transmission rod is in threaded connection with the first sliding block, the second transmission rod is in threaded connection with the second sliding block, the first sliding block is in sliding connection with the fork arm body, the first sliding connection with the second scissors is in sliding connection with the second sliding block to form a scissors structure, one end of the first scissors is hinged with the corresponding second scissors, one end is hinged with the first sliding fork is hinged with the first sliding block, one end is hinged with the first sliding stopper is hinged to the first sliding, one and the first sliding fork is respectively, one sliding fork is. Optionally, a plurality of guide pulleys are arranged on two sides of the first sliding block and the second sliding block, guide sliding grooves corresponding to the guide pulleys are formed in two side walls of the fork arm body, and the guide pulleys are slidably accommodated in the corresponding guide sliding grooves. The connecting unit comprises a connecting plate and a plurality of guide wheels, wherein one end of the connecting plate is detachably connected with the fork arm body, the guide wheels are arranged at the other end of the connecting plate, and the guide wheels are slidingly accommodated in the sliding grooves. The first driving unit comprises a mounting frame, a driving wheel used for being in co