A FMS flexible automation line handling trolley

Abstract

The present invention provides an FMS flexible automated line transport trolley, which relates to the field of load tooling technology, including a base and a support, wherein the base is movably arranged on a ground rail, the support is arranged on both sides above the base, and the front and rear ends of the support are provided with rails, and a lifting platform is movably provided on the tracks on both sides; fork arms are provided on both sides inside the lifting platform, and a first-stage fork is movably provided on the fork arm, a second-stage fork is movably provided on the first-stage fork, and a third-stage fork is movably provided on the second-stage fork; the present invention has a three-stage fork structure, the first-stage fork can be moved and extended on the fork arm, the second-stage fork can be moved and extended on the first-stage fork, and the third-stage fork can be moved and extended on the second-stage fork, and the three groups of forks are linked and synchronously extended to carry loads, the height of the fork can be changed by the lifting platform running along the track, and the position of the fork can be changed by the base moving along the ground rail, so it is adaptable to different transport needs and has a wide range of applications.

Description

Technical Field

[0001] This invention relates to the field of load-bearing tooling technology, and in particular to a flexible automated line transport trolley (FMS). Background Technology

[0002] The FMS (Flexible Manufacturing System) is an intelligent automated electromechanical manufacturing system composed of a unified information control system, a material storage and transportation system, and several CNC (Computer Numerical Control) devices. It can adapt to changes in the processing objects. It consists of a series of devices connected by a transmission system. The transmission device places the workpiece on other connecting devices and sends it to each processing device, making the workpiece processing accurate, fast and automated.

[0003] Flexible manufacturing systems (FMS) have centrally computer-controlled machine tools and transmission systems. They can sometimes process several different parts simultaneously. A group of machines arranged in sequence are connected by automatic loading and unloading conveyor machines and integrated into a computer system. Raw materials and parts to be processed are loaded and unloaded on the parts transfer system. After a part is processed on one machine, it is transferred to the next. Each machine receives operating instructions and automatically loads and unloads the necessary tools without human intervention. In the aforementioned flexible system, the core equipment is the conveyor machine, which generally exists in the form of a transport trolley. Existing transport trolleys generally have forks, i.e., transport arms. However, ordinary forks generally have a fixed structure and length, limiting their applicability. Furthermore, during transport, they are prone to instability such as tilting under load. Therefore, this invention proposes an FMS flexible automated line transport trolley to solve the problems existing in the prior art. Summary of the Invention

[0004] To address the aforementioned problems, this invention proposes a flexible automated production line (FMS) transport trolley that is adaptable to different transport needs and has a wide range of applications.

[0005] To achieve the purpose of this invention, the invention is implemented through the following technical solution: an FMS flexible automated line transport trolley, including a base and a support, wherein the base is movably mounted on a ground rail, the support is located on both sides above the base, and both the front and rear ends of the support are provided with rails, and lifting platforms are movably mounted on the rails on both sides;

[0006] Both sides of the inside of the lifting platform are equipped with fork arms, and a first-stage fork is movably mounted on the fork arms, a second-stage fork is movably mounted on the first-stage fork, and a third-stage fork is movably mounted on the second-stage fork.

[0007] A further improvement is made in that: a first connecting block and a second connecting block are respectively provided on one side of the top rear end and the other side of the front end inside the three-stage fork; a first adjusting block and a second adjusting block are respectively provided on one side of the top rear end and the other side of the front end inside the one-stage fork; a first sprocket and a second sprocket are respectively provided on one side of the front end and the other side of the rear end inside the two-stage fork; a first chain is connected between the first connecting block and the first adjusting block, and the first chain passes around the first sprocket; a second chain is connected between the second connecting block and the second adjusting block, and the second chain passes around the second sprocket.

[0008] A further improvement is that a first fixing block and a second fixing block are respectively provided on one side of the rear end of the first-stage fork and the other side of the front end. One end of the first adjusting block is provided with a first screw that is threadedly adapted to the first fixing block, and one end of the second adjusting block is provided with a second screw that is threadedly adapted to the second fixing block.

[0009] A further improvement is that a first reduction motor is provided at the middle position of the bottom of the lifting platform, and a connecting shaft is provided at both output ends of the first reduction motor. Gears are provided on both sets of the connecting shafts. A gear set adapted to the gears is provided at the bottom of the fork arm, and a first rack adapted to the gear set is provided on one side of the bottom of the first-stage fork.

[0010] A further improvement is that: a second rack is provided on one side of the top of the fork arm; a third chain is installed on one side of the inside of the first-stage fork via a chain wheel, and the third chain is adapted to the second rack; a third rack is provided at the bottom of the second-stage fork, and the third rack is adapted to the third chain.

[0011] A further improvement is made in that: a first guide wheel is rotatably provided on both sides inside the fork arm, and the first-stage fork is movably adapted to the first guide wheel; a second guide wheel is rotatably provided on both sides of the top inside the second-stage fork, and the second guide wheel is supported on the inner side of the first-stage fork; a third guide wheel is rotatably provided on both sides of the bottom of the second-stage fork, and the third guide wheel is supported inside the first-stage fork; a fourth guide wheel is rotatably provided at the middle position of the top inside the third-stage fork, and the fourth guide wheel is supported in the top groove of the second-stage fork; and a fifth guide wheel is rotatably provided on both sides inside the third-stage fork, and the fifth guide wheel is supported in the grooves on both sides of the second-stage fork.

[0012] A further improvement is made in that: sliders are provided at the four corners of the lifting platform, and guide blocks adapted to the track are provided at the upper and lower ends of the sliders. First stabilizing wheels are rotatably provided on both sides of the guide blocks, and second stabilizing wheels are rotatably provided at the outer end of the guide blocks. The first and second stabilizing wheels are both supported on the track. The first and second stabilizing wheels each include a wheel body and a wheel rim. The wheel rim is rotatably provided on the outer side of the wheel body through a bearing ring. An eccentric shaft is provided at the edge of one end of the wheel body. The eccentric shaft passes through the guide block and is fixed by a nut.

[0013] A further improvement is that a second reduction motor is provided at the middle position on one side of the base, and the output end of the second reduction motor is connected to a rotating shaft. A third sprocket is provided on both sides of the rotating shaft, and a fourth sprocket is provided at the middle position of the top of the two sets of supports. A fourth chain is connected between the third sprocket and the fourth sprocket on the same side.

[0014] A further improvement is that: the support is provided with a sliding rod inside, and a counterweight is movably mounted on the sliding rod; one side of the fourth chain is connected to the lifting platform, and the other side of the fourth chain is connected to the counterweight; shock absorbers are provided on the base at both sides below the lifting platform.

[0015] A further improvement is made in that: a guide rack is provided on one side inside the ground rail, a third reduction motor is provided at the rear end of one side of the top of the base, the output end of the third reduction motor is provided with a drive gear adapted to the guide rack, and a guide gear adapted to the guide rack is rotatably provided at the bottom of the base on one side of the drive gear.

[0016] The beneficial effects of this invention are as follows:

[0017] 1. This invention is a three-stage fork structure. The first-stage fork can extend and move on the fork arm, the second-stage fork can extend and move on the first-stage fork, and the third-stage fork can extend and move on the second-stage fork. The three sets of forks extend synchronously in conjunction to bear loads. The height of the forks can be changed by the lifting platform moving along the track, and the position of the forks can be changed by the base moving along the ground rail. It can adapt to different handling needs and has a wide range of applications.

[0018] 2. This invention uses gear rotation to drive gear set rotation, which in turn drives the first rack to extend the first-stage fork. During the movement of the first-stage fork, the third chain is driven by the second rack, and the third chain synchronously drives the third rack, causing the second-stage fork to extend. During the movement of the second-stage fork, due to the fixation of the first adjusting block, the first chain and the first connecting block are pulled, thereby pulling the third-stage fork to extend. The three sets of forks extend in a coordinated and synchronous manner, requiring only one drive source, which is more energy-efficient.

[0019] 3. The present invention can adjust the position of the first adjusting block on the first fixed block by rotating the first screw, thereby tightening the first chain. The second adjusting block can be adjusted on the second fixed block by rotating the second screw, thereby tightening the second chain, making the displacement of the three-stage fork more stable and precise.

[0020] 4. During the lifting process of the lifting platform, the present invention adapts the guide block on the slider to the track, and the first and second stabilizing wheels on both sides of the guide block form a three-point support, which is more stable. The angle of the wheel body can be adjusted by rotating the eccentric shaft and fixed by the nut, thereby eliminating tolerances and allowing the wheel rim to be tightly supported on the track, improving the stability of lifting and preventing the lifting platform from tilting when under load. Attached Figure Description

[0021] Figure 1 This is the front view of the present invention;

[0022] Figure 2 This is a schematic diagram of the forks opening according to the present invention;

[0023] Figure 3 This is a schematic diagram of the bottom of the forks of the present invention;

[0024] Figure 4 This is a schematic diagram of the top of the fork of the present invention;

[0025] Figure 5 This is a schematic diagram of the three-stage fork drive structure of the present invention;

[0026] Figure 6 This is a schematic diagram of the first-stage fork of the present invention;

[0027] Figure 7 This is a schematic diagram of the internal structure of the support of the present invention;

[0028] Figure 8 This is a schematic diagram of the slider of the present invention;

[0029] Figure 9 This is a schematic diagram of the stabilizing wheel of the present invention;

[0030] Figure 10 This is a schematic diagram of the eccentric shaft installation of the present invention;

[0031] Figure 11 This is a schematic diagram of the base of the present invention;

[0032] Figure 12 This is a schematic diagram of the structure below the base of the present invention.

[0033] The components include: 1. Base; 2. Support; 3. Ground rail; 4. Rail; 5. Lifting platform; 6. Fork arm; 7. First-stage fork; 8. Second-stage fork; 9. Third-stage fork; 10. First connecting block; 11. Second connecting block; 12. First adjusting block; 13. Second adjusting block; 14. First sprocket; 15. Second sprocket; 16. First chain; 17. Second chain; 18. First fixing block; 19. Second fixing block; 20. First geared motor; 21. Connecting shaft; 22. Gear; 23. Gear set; 24. First rack; 25. Second rack; 26. Third chain; 7. Third rack; 28. First guide wheel; 29. ​​Second guide wheel; 30. Third guide wheel; 31. Fourth guide wheel; 32. Fifth guide wheel; 33. Slider; 34. Guide block; 35. First stabilizing wheel; 36. Second stabilizing wheel; 37. Wheel body; 38. Wheel rim; 39. Eccentric shaft; 40. Nut; 41. Second geared motor; 42. Shaft; 43. Third sprocket; 44. Fourth sprocket; 45. Fourth chain; 46. Slide rod; 47. Counterweight; 48. Guide rack; 49. Third geared motor; 50. Drive gear; 51. Guide gear; 52. Shock absorber. Detailed Implementation

[0034] To enhance understanding of the present invention, the present invention will be further described in detail below with reference to embodiments. These embodiments are only used to explain the present invention and do not constitute a limitation on the scope of protection of the present invention.

[0035] Example 1

[0036] according to Figure 1-12 As shown, this embodiment proposes an FMS flexible automated line transport trolley, including a base 1 and a support 2. The base 1 is movably mounted on a ground rail 3, and the support 2 is located on both sides above the base 1. The front and rear ends of the support 2 are provided with rails 4, and lifting platforms 5 are movably mounted on the rails 4 on both sides.

[0037] Both sides of the lifting platform 5 are equipped with fork arms 6, and a first-stage fork 7 is movably mounted on the fork arms 6. A second-stage fork 8 is movably mounted on the first-stage fork 7, and a third-stage fork 9 is movably mounted on the second-stage fork 8. In use, the first-stage fork 7 can be moved and extended on the fork arms 6, the second-stage fork 8 can be moved and extended on the first-stage fork 7, and the third-stage fork 9 can be moved and extended on the second-stage fork 8. The three sets of forks extend synchronously to bear loads. The height of the forks can be changed by the movement of the lifting platform 5 along the track 4, and the position of the forks can be changed by the movement of the base 1 along the ground track 3, adapting to different handling needs and having a wide range of applications.

[0038] The three-stage fork 9 has a first connecting block 10 on one side of the top rear end and a second connecting block 11 on the other side of the front end. The one-stage fork 7 has a first adjusting block 12 on one side of the top rear end and a second adjusting block 13 on the other side of the front end. The two-stage fork 8 has a first sprocket 14 on one side of the front end and a second sprocket 15 on the other side of the rear end. A first chain 16 connects the first connecting block 10 and the first adjusting block 12, and the first chain 16 passes around the first sprocket 14. A second chain 17 connects the second connecting block 11 and the second adjusting block 13, and the second chain 17 passes around the second sprocket 15. In use, during the movement of the two-stage fork 8, the first adjusting block 13 is fixed, pulling the first chain 16 and the first connecting block 10, thereby pulling the three-stage fork 9 to extend. When the two-stage fork 8 returns to its original position, the second adjusting block 13 is fixed, pulling the second chain 17 and the second connecting block 11, thereby pulling the three-stage fork 9 to its original position.

[0039] The first-stage fork 7 has a first fixing block 18 on one side of its rear end and a second fixing block 19 on the other side of its front end. One end of the first adjusting block 12 has a first screw threadedly adapted to the first fixing block 18, and one end of the second adjusting block 13 has a second screw threadedly adapted to the second fixing block 19. In use, rotating the first screw adjusts the position of the first adjusting block 12 on the first fixing block 18, thereby tightening the first chain 16. Rotating the second screw adjusts the position of the second adjusting block 13 on the second fixing block 19, thereby tightening the second chain 17, making the displacement of the third-stage fork 9 more stable and precise.

[0040] A first reduction motor 20 is located at the center of the bottom of the lifting platform 5, and both output ends of the first reduction motor 20 are equipped with connecting shafts 21. Gears 22 are mounted on both sets of connecting shafts 21. A gear set 23, compatible with the gears 22, is located at the bottom of the fork arm 6. A first rack 24, compatible with the gear set 23, is located on one side of the bottom of the first-stage fork 7. A second rack 25 is located on one side of the top of the fork arm 6. A third chain 26 is mounted on one side of the inside of the first-stage fork 7 via a chain wheel, and the third chain 26 is compatible with the second rack 25. A third rack 27, compatible with the third chain 26, is located at the bottom of the second-stage fork 8. In use, the first reduction motor 20 drives the connecting shaft 21 and gear 22 to rotate, which in turn drives the gear set 23 to rotate, driving the first rack 24 to extend the first-stage fork 7. During the movement of the first-stage fork 7, the third chain 26 is driven by the second rack 25. The third chain 26 synchronously drives the third rack 27, causing the second-stage fork 8 to extend. During the movement of the second-stage fork 8, due to the fixation of the first adjusting block 13, the first chain 16 and the first connecting block 10 are pulled, thereby pulling the third-stage fork 9 to extend. The three sets of forks extend in a coordinated and synchronous manner, requiring only one drive source, which is more energy-efficient.

[0041] The fork arm 6 has a first guide wheel 28 rotatably mounted on both sides inside. The first-stage fork 7 is movably adapted to the first guide wheel 28. The second guide wheel 29 is rotatably mounted on both sides of the top inside the second-stage fork 8, and the second guide wheel 29 is supported on the inner side of the first-stage fork 7. The third guide wheel 30 is rotatably mounted on both sides of the bottom of the second-stage fork 8, and the third guide wheel 30 is supported inside the first-stage fork 7. The fourth guide wheel 31 is rotatably mounted at the middle position of the top inside the third-stage fork 9, and the fourth guide wheel 31 is supported in the top groove of the second-stage fork 8. The fifth guide wheel 32 is rotatably mounted on both sides inside the third-stage fork 9, and the fifth guide wheel 32 is supported in the side grooves of the second-stage fork 8. The first-stage fork 7 moves on the fork arm 6 based on the first guide wheel 28. The second-stage fork 8 moves on the first-stage fork 7 through the second guide wheel 29 and the third guide wheel 29. The third-stage fork 9 moves on the second-stage fork 8 through the fourth guide wheel 31 and the fifth guide wheel 32. With multiple points of support, it is more stable.

[0042] The lifting platform 5 is provided with sliders 33 at each of its four corners, and the upper and lower ends of the sliders 33 are provided with guide blocks 34 that are adapted to the track 4. The guide blocks 34 are provided with first stabilizing wheels 35 on both sides inside, and second stabilizing wheels 36 are provided on the outer end inside the guide blocks 34. The first stabilizing wheels 35 and the second stabilizing wheels 36 are both supported on the track 4. The first stabilizing wheels 35 and the second stabilizing wheels 36 each include a wheel body 37 and a wheel rim 38. The wheel rim 38 is rotatably provided on the outer side of the wheel body 37 through a bearing ring. An eccentric shaft 39 is provided at one edge of the wheel body 37. The eccentric shaft 39 passes through the guide block 34 and is fixed by a nut 40. During the lifting process of the lifting platform 5, the guide block 34 on the slider 33 is adapted to the track 4. The first stabilizing wheel 35 and the second stabilizing wheel 36 on both sides of the guide block 34 form a three-point support, which is more stable. The angle of the wheel body 37 can be adjusted by rotating the eccentric shaft 39 and fixed by the nut 40, thereby eliminating tolerances and allowing the wheel rim 38 to be tightly supported on the track 4, improving the stability of lifting and preventing the lifting platform 5 from tilting when under load.

[0043] A second reduction motor 41 is located at the middle position on one side of the base 1, and the output end of the second reduction motor 41 is connected to a rotating shaft 42. A third sprocket 43 is located on both sides of the rotating shaft 42. A fourth sprocket 44 is located at the middle position of the top of each of the two sets of supports 2. A fourth chain 45 connects the third sprocket 43 and the fourth sprocket 44 on the same side. A sliding rod 46 is located inside the support 2, and a counterweight 47 is movably mounted on the sliding rod 46. One side of the fourth chain 45 is connected to the lifting platform 5, and the other side of the fourth chain 45 is connected to the counterweight 47. Shock absorbers 52 are located on both sides of the base 1 below the lifting platform 5. In operation, the second reduction motor 41 drives the rotating shaft 42 and the third sprocket 43 to rotate, which in turn, in conjunction with the fourth sprocket 44, drives the fourth chain 45 to move, pulling the lifting platform 5 up and down along the track 4. Simultaneously, it pulls the counterweight 47 along the slide bar 46, improving the stability of the lifting platform 5 during its ascent. A shock absorber 52 provides support when the lifting platform 5 descends. Above and inside the support 2, there is also a limit block to limit the highest position of the lifting platform 5.

[0044] Example 2

[0045] according to Figure 1-12 As shown, this embodiment proposes an FMS flexible automated line transport trolley, including a base 1 and a support 2. The base 1 is movably mounted on a ground rail 3, and the support 2 is located on both sides above the base 1. The front and rear ends of the support 2 are provided with rails 4, and lifting platforms 5 are movably mounted on the rails 4 on both sides.

[0046] Both sides of the lifting platform 5 are equipped with fork arms 6, and a first-stage fork 7 is movably mounted on the fork arms 6. A second-stage fork 8 is movably mounted on the first-stage fork 7, and a third-stage fork 9 is movably mounted on the second-stage fork 8. In use, the first-stage fork 7 can be moved and extended on the fork arms 6, the second-stage fork 8 can be moved and extended on the first-stage fork 7, and the third-stage fork 9 can be moved and extended on the second-stage fork 8. The three sets of forks extend synchronously to bear loads. The height of the forks can be changed by the movement of the lifting platform 5 along the track 4, and the position of the forks can be changed by the movement of the base 1 along the ground track 3, adapting to different handling needs and having a wide range of applications.

[0047] A guide rack 48 is provided on one side inside the ground rail 3. A third reduction motor 49 is provided at the rear end of one side of the top of the base 1. The output end of the third reduction motor 49 is provided with a drive gear 50 that matches the guide rack 48. A guide gear 51 that matches the guide rack 48 is rotatably provided on the bottom of the base 1 at one side of the drive gear 50. In use, the third reduction motor 49 drives the drive gear 50 to rotate, meshing with the guide rack 48. With the assistance of the guide gear 51, the base 1 is driven to move along the ground rail 3.

[0048] This FMS flexible automated line handling trolley features a three-stage fork structure. The first-stage fork 7 can extend and move on the fork arm 6, the second-stage fork 8 can extend and move on the first-stage fork 7, and the third-stage fork 9 can extend and move on the second-stage fork 8. The three sets of forks extend synchronously in conjunction to bear loads. The height of the forks can be changed by the lifting platform 5 moving along the track 4, and the position of the forks can be changed by the base 1 moving along the ground track 3, adapting to different handling needs and having a wide range of applications. Furthermore, this invention uses the rotation of gear 22 to drive the rotation of gear set 23, which in turn drives the first rack 24 to extend the first-stage fork 7. During the movement of the first-stage fork 7, the third chain 26 is driven by the second rack 25, and the third chain 26 synchronously drives the third rack 27, causing the second-stage fork 8 to extend. During the movement of the second-stage fork 8, due to the fixation of the first adjusting block 13, the first chain 16 and the first connecting block 10 are pulled, thereby pulling the third-stage fork 9 to extend. The three sets of forks extend synchronously in conjunction, requiring only one drive source, making it more energy-efficient. Simultaneously, rotating the first screw adjusts the position of the first adjusting block 12 on the first fixed block 18, thereby tightening the first chain 16. Rotating the second screw adjusts the position of the second adjusting block 13 on the second fixed block 19, thereby tightening the second chain 17, making the displacement of the three-stage fork 9 more stable and precise. In addition, during the lifting process of the lifting platform 5, the guide block 34 on the slider 33 is adapted to the track 4. The first stabilizing wheel 35 and the second stabilizing wheel 36 on both sides of the guide block 34 form a three-point support, which is more stable. Furthermore, rotating the eccentric shaft 39 adjusts the angle of the wheel body 37 and fixes it with the nut 40, thereby eliminating tolerances and allowing the wheel rim 38 to be tightly supported on the track 4, improving the stability of lifting and preventing the lifting platform 5 from tilting under load.

[0049] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A flexible automated production line (FMS) handling trolley, comprising a base (1) and a support (2), characterized in that: The base (1) is movably mounted on the ground rail (3), the support (2) is located on both sides above the base (1), and the front and rear ends of the support (2) are provided with rails (4), and the lifting platform (5) is movably mounted on the rails (4) on both sides. The lifting platform (5) is equipped with fork arms (6) on both sides inside, and a first-stage fork (7) is movably mounted on the fork arm (6), a second-stage fork (8) is movably mounted on the first-stage fork (7), and a third-stage fork (9) is movably mounted on the second-stage fork (8). The three-stage fork (9) has a first connecting block (10) on one side of the top rear end and a second connecting block (11) on the other side of the front end. The first-stage fork (7) has a first adjusting block (12) on one side of the top rear end and a second adjusting block (13) on the other side of the front end. The two-stage fork (8) has a first sprocket (14) on one side of the front end and a second sprocket (15) on the other side of the rear end. A first chain (16) is connected between the first connecting block (10) and the first adjusting block (12), and the first chain (16) passes around the first sprocket (14). A second chain (17) is connected between the second connecting block (11) and the second adjusting block (13), and the second chain (17) passes around the second sprocket (15). The fork arm (6) has a second rack (25) on one side of its top. The first-stage fork (7) has a third chain (26) installed on one side of its interior via a chain wheel. The third chain (26) is adapted to the second rack (25). The second-stage fork (8) has a third rack (27) at its bottom. The third rack (27) is adapted to the third chain (26). The fork arm (6) has a first guide wheel (28) rotatably mounted on both sides inside. The first-stage fork (7) is movably adapted to the first guide wheel (28). The second guide wheel (29) is rotatably mounted on both sides of the top inside the second-stage fork (8), and the second guide wheel (29) is supported on the inside of the first-stage fork (7). The third guide wheel (30) is rotatably mounted on both sides of the bottom of the second-stage fork (8), and the third guide wheel (30) is supported inside the first-stage fork (7). The fourth guide wheel (31) is rotatably mounted at the middle position of the top inside the third-stage fork (9), and the fourth guide wheel (31) is supported in the top groove of the second-stage fork (8). The fifth guide wheel (32) is rotatably mounted on both sides inside the third-stage fork (9), and the fifth guide wheel (32) is supported in the grooves on both sides of the second-stage fork (8).

2. The FMS flexible automated line transport trolley according to claim 1, characterized in that: The first fixing block (18) and the second fixing block (19) are respectively provided on one side of the rear end of the first-stage fork (7) and the other side of the front end. One end of the first adjusting block (12) is provided with a first screw that is threadedly adapted to the first fixing block (18), and one end of the second adjusting block (13) is provided with a second screw that is threadedly adapted to the second fixing block (19).

3. The FMS flexible automated line transport trolley according to claim 1, characterized in that: The lifting platform (5) has a first reduction motor (20) at the middle position of its bottom, and the output ends of the first reduction motor (20) are provided with connecting shafts (21) on both sides. Both sets of connecting shafts (21) are provided with gears (22). The bottom of the fork arm (6) is provided with a gear set (23) that is compatible with the gears (22). The bottom of the first-stage fork (7) is provided with a first rack (24) that is compatible with the gear set (23).

4. The FMS flexible automated line transport trolley according to claim 1, characterized in that: The lifting platform (5) is provided with sliders (33) at all four corners, and the upper and lower ends of the sliders (33) are provided with guide blocks (34) that are adapted to the track (4). The guide blocks (34) are provided with first stabilizing wheels (35) on both sides inside, and second stabilizing wheels (36) are provided on the outer end inside the guide blocks (34). The first stabilizing wheels (35) and the second stabilizing wheels (36) are both supported on the track (4). The first stabilizing wheels (35) and the second stabilizing wheels (36) each include a wheel body (37) and a wheel rim (38). The wheel rim (38) is rotatably provided on the outer side of the wheel body (37) through a bearing ring. An eccentric shaft (39) is provided at the edge of one end of the wheel body (37). The eccentric shaft (39) passes through the guide block (34) and is fixed by a nut (40).

5. The FMS flexible automated line transport trolley according to claim 1, characterized in that: A second reduction motor (41) is provided at the middle position on one side of the base (1), and the output end of the second reduction motor (41) is connected to a rotating shaft (42). A third sprocket (43) is provided on both sides of the rotating shaft (42), and a fourth sprocket (44) is provided at the middle position of the top of the two sets of supports (2). A fourth chain (45) is connected between the third sprocket (43) and the fourth sprocket (44) on the same side.

6. The FMS flexible automated line transport trolley according to claim 5, characterized in that: The support (2) is provided with a slide rod (46) inside, and a counterweight (47) is movably provided on the slide rod (46). One side of the fourth chain (45) is connected to the lifting platform (5), and the other side of the fourth chain (45) is connected to the counterweight (47). Shock absorbers (52) are provided on the base (1) at both sides below the lifting platform (5).

7. The FMS flexible automated line transport trolley according to claim 1, characterized in that: The ground rail (3) has a guide rack (48) on one side inside, and a third geared motor (49) is provided at the rear end of the top side of the base (1). The output end of the third geared motor (49) is provided with a drive gear (50) that is compatible with the guide rack (48). The bottom of the base (1) at one side of the drive gear (50) is provided with a guide gear (51) that is compatible with the guide rack (48).

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