FMS flexible automatic line carrying trolley

Abstract

The invention provides an FMS flexible automation line carrying trolley, and relates to the technical field of load tools, the FMS flexible automation line carrying trolley comprises a base and supports, the base is movably arranged on a ground rail, the supports are arranged on the two sides of the upper portion of the base, rails are arranged at the front end and the rear end of each support, and lifting tables are movably arranged on the rails on the two sides; fork arms are arranged on the two sides of the interior of the lifting table, first-order pallet forks are movably arranged on the fork arms, second-order pallet forks are movably arranged on the first-order pallet forks, and third-order pallet forks are movably arranged on the second-order pallet forks; the three-stage pallet fork is of a three-stage pallet fork structure, the first-stage pallet fork can move and stretch out on the fork arm, the second-stage pallet fork can move and stretch out on the first-stage pallet fork, the third-stage pallet fork can move and stretch out on the second-stage pallet fork, the three pallet forks synchronously stretch out in a linkage mode for load bearing, and the heights of the pallet forks can be changed through operation of the lifting table along the rail; the position of the pallet fork can be changed through movement of the base along the ground rail, different carrying requirements are met, and the application range is wide.

Description

Technical Field

[0001] The present invention relates to the technical field of load tooling, and in particular to an FMS flexible automated line transport trolley. Background Art

[0002] FMS flexible manufacturing system is composed of a unified information control system, material storage and transportation system and several CNC equipment. It is an intelligent automated electromechanical manufacturing system that can adapt to the change of processing objects. It is a number of devices connected by a transmission system. The transmission device puts the workpiece on other connecting devices and sends it to each processing equipment, so that the workpiece can be processed accurately, quickly and automatically.

[0003] The flexible manufacturing system has a central computer-controlled machine tool and a transmission system, which can sometimes process several different parts at the same time. A group of machines arranged in order are connected by automatic loading and unloading and transmission machines and integrated through a computer system. Raw materials and processed parts are loaded and unloaded on the parts transmission system. After the parts are processed on one machine, they are transmitted to the next machine. Each machine receives operating instructions and automatically loads and unloads the required tools without human intervention. In the above-mentioned flexible system, the core equipment is the transmission machine, which generally exists in the form of a transport cart. Existing transport carts generally have a fork, that is, a transport arm. However, ordinary forks generally have a fixed structure and a fixed length, and a limited scope of application. In the process of transportation, there are unstable phenomena such as weight tilting. Therefore, the present invention proposes an FMS flexible automated line transport cart to solve the problems existing in the prior art. Summary of the invention

[0004] In view of the above problems, the present invention proposes an FMS flexible automated line transport trolley, which is adaptable to different transport needs and has a wide range of applications.

[0005] To achieve the purpose of the present invention, the present invention is implemented by the following technical solutions: an FMS flexible automated line transport trolley, comprising 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 both provided with rails, and the rails on both sides are movably provided with a lifting platform;

[0006] Fork arms are provided on both sides of the lifting platform, and a first-order fork is movably provided on the fork arm, a second-order fork is movably provided on the first-order fork, and a third-order fork is movably provided on the second-order fork.

[0007] A further improvement is that a first connecting block and a second connecting block are respectively provided on one side of the rear end of the top of the third-stage fork and the other side of the front end, a first adjusting block and a second adjusting block are respectively provided on one side of the rear end of the top of the first-stage fork and the other side of the front end, a first sprocket and a second sprocket are respectively provided on one side of the front end of the second-stage fork and the other side of the rear end, a first chain is connected between the first connecting block and the first adjusting block, and the first chain bypasses the first sprocket, and a second chain is connected between the second connecting block and the second adjusting block, and the second chain bypasses the second sprocket.

[0008] A further improvement is that a first fixed block and a second fixed block are respectively provided on one side of the rear end and the other side of the front end of the top of the first-stage fork, one end of the first adjustment block is provided with a first screw rod that is adapted to the thread of the first fixed block, and one end of the second adjustment block is provided with a second screw rod that is adapted to the thread of the second fixed block.

[0009] Further improvements are: a first reduction motor is provided at the middle position of the bottom of the lifting platform, and connecting shafts are provided at both side output ends of the first reduction motor, gears are provided on the two sets of connecting shafts, a gear group matched with the gears is provided at the bottom of the fork arm, and a first rack matched with the gear group is provided on one side of the bottom of the first-stage fork.

[0010] Further improvements are: a second rack is provided on one side of the top of the fork arm, a third chain is installed on one side inside the first-stage fork through a sprocket wheel, and the third chain is adapted to the second rack, and 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 that: a first guide wheel is rotatably provided on both sides of the fork arm, the first-order fork is movably adapted to the first guide wheel, a second guide wheel is rotatably provided on both sides of the top of the second-order fork, and the second guide wheel is supported on the inner side of the first-order fork, a third guide wheel is rotatably provided on both sides of the bottom of the second-order fork, and the third guide wheel is supported inside the first-order fork, a fourth guide wheel is rotatably provided at the middle position of the top of the third-order fork, and the fourth guide wheel is supported in the top groove of the second-order fork, and a fifth guide wheel is rotatably provided on both sides of the third-order fork, and the fifth guide wheel is supported in the grooves on both sides of the second-order fork.

[0012] Further improvements are: sliders are provided at the four corners of the lifting platform, and guide blocks compatible with 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 on the outer ends of the guide blocks, the first stabilizing wheel and the second stabilizing wheel are both supported on the track, the first stabilizing wheel and the second stabilizing wheel both include a wheel body and a wheel rim, the wheel rim is rotatably provided on the outside 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] Further improvements are: 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, third sprockets are provided on both sides of the rotating shaft, fourth sprockets are provided at the middle position on the top of the two groups of supports, and a fourth chain is connected between the third sprocket and the fourth sprocket on the same side.

[0014] Further improvements are: a sliding rod is provided inside the support, and a counterweight block is movably provided 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 block, and shock absorbers are provided on the base at both sides below the lifting platform.

[0015] A further improvement is 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, a driving gear matched with the guide rack is provided at the output end of the third reduction motor, and a guide gear matched with the guide rack is rotatably provided at the bottom of the base at a position on one side of the driving gear.

[0016] The beneficial effects of the present invention are:

[0017] 1. The present invention has a three-stage fork structure, in which 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. The three sets of forks are linked and extended synchronously to carry loads. The height of the forks can be changed by the lifting platform running along the track, and the position of the forks can be changed by the base moving along the ground rail. It is suitable for different transportation needs and has a wide range of applications.

[0018] 2. The present invention drives the gear set to rotate through the rotation of the gear, drives the first rack to make the first-order fork move out, during the movement of the first-order fork, the third chain is driven by the second rack to run, the third chain synchronously drives the third rack, so that the second-order fork moves out, during the movement of the second-order fork, due to the fixation of the first adjusting block, the first chain and the first connecting block are pulled, thereby pulling the third-order fork to extend, and the three groups of forks are linked and extended synchronously, only one driving source is needed, and it 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, and can adjust the position of the second adjusting block on the second fixed block by rotating the second screw, thereby tightening the second chain, so that the displacement of the three-stage fork is more stable and accurate.

[0020] 4. In the process of lifting the lifting platform of the present invention, the guide block on the slider is adapted to the track, and the first stabilizing wheel and the second stabilizing wheel on both sides of the guide block form a three-point support, which is more stable, and the angle of the wheel body can be adjusted by rotating the eccentric shaft and fixed by a nut, thereby eliminating tolerance, so that the wheel rim can be tightly supported on the track, improving the stability of lifting and avoiding tilting of the lifting platform when loaded. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0022] Figure 2 It is a schematic diagram of opening the fork of the present invention;

[0023] Figure 3 It is a schematic diagram of the bottom of the fork of the present invention;

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

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

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

[0027] Figure 7 It is a schematic diagram of the interior of the support of the present invention;

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

[0029] Fig. 9 is a schematic diagram of a stabilizing wheel of the present invention;

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

[0031] Fig.11 A schematic diagram of a base of the present invention;

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

[0033] Among them: 1. base; 2. support; 3. ground rail; 4. track; 5. lifting platform; 6. fork arm; 7. first-order fork; 8. second-order fork; 9. third-order 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 fixed block; 19. second fixed block; 20. first reduction motor; 21. connecting shaft; 22. gear; 23. gear set; 24. first rack; 25. second rack; 26. third chain; 2 7. The third rack; 28. The first guide wheel; 29. ​​The second guide wheel; 30. The third guide wheel; 31. The fourth guide wheel; 32. The fifth guide wheel; 33. The slider; 34. The guide block; 35. The first stabilizing wheel; 36. The second stabilizing wheel; 37. The wheel body; 38. The wheel rim; 39. The eccentric shaft; 40. The nut; 41. The second reduction motor; 42. The rotating shaft; 43. The third sprocket; 44. The fourth sprocket; 45. The fourth chain; 46. The slide bar; 47. The counterweight; 48. The guide rack; 49. The third reduction motor; 50. The driving gear; 51. The guide gear; 52. The shock absorber. DETAILED DESCRIPTION

[0034] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with examples. The examples are only used to explain the present invention and do not constitute a limitation on the protection scope of the present invention.

[0035] Embodiment 1

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

[0037] Both sides of the lifting platform 5 are provided with fork arms 6, and a first-order fork 7 is movably provided on the fork arms 6, a second-order fork 8 is movably provided on the first-order fork 7, and a third-order fork 9 is movably provided on the second-order fork 8. When in use, the first-order fork 7 can be moved and extended on the fork arms 6, the second-order fork 8 can be moved and extended on the first-order fork 7, and the third-order fork 9 can be moved and extended on the second-order fork 8. The three sets of forks are linked and extended synchronously to carry weight. The height of the fork can be changed by the lifting platform 5 running along the track 4, and the position of the fork can be changed by the base 1 moving along the ground track 3. It is adapted to different transportation needs and has a wide range of applications.

[0038] The first connection block 10 and the second connection block 11 are respectively provided on one side of the top rear end and the other side of the front end of the three-stage fork 9, the first adjustment block 12 and the second adjustment block 13 are respectively provided on one side of the top rear end and the other side of the front end of the first-stage fork 7, the first sprocket 14 and the second sprocket 15 are respectively provided on one side of the front end and the other side of the rear end of the second-stage fork 8, the first chain 16 is connected between the first connection block 10 and the first adjustment block 12, and the first chain 16 bypasses the first sprocket 14, the second chain 17 is connected between the second connection block 11 and the second adjustment block 13, and the second chain 17 bypasses the second sprocket 15. When in use, during the movement of the second-stage fork 8, due to the fixation of the first adjustment block 13, the first chain 16 and the first connection block 10 are pulled, thereby pulling the three-stage fork 9 out, and when the second-stage fork 8 is reset, due to the fixation of the second adjustment block 13, the second chain 17 and the second connection block 11 are pulled, thereby pulling the three-stage fork 9 to reset.

[0039] The first fixed block 18 and the second fixed block 19 are respectively provided on one side of the rear end and the other side of the front end of the top of the first-stage fork 7, and the first screw rod is provided at one end of the first adjustment block 12 to be threadedly adapted to the first fixed block 18, and the second screw rod is provided at one end of the second adjustment block 13 to be threadedly adapted to the second fixed block 19. When in use, the position of the first adjustment block 12 on the first fixed block 18 can be adjusted by rotating the first screw rod, thereby tightening the first chain 16, and the position of the second adjustment block 13 on the second fixed block 19 can be adjusted by rotating the second screw rod, thereby tightening the second chain 17, so that the displacement of the third-stage fork 9 is more stable and accurate.

[0040] A first reduction motor 20 is provided at the middle position of the bottom of the lifting platform 5, and connecting shafts 21 are provided at both output ends of the first reduction motor 20, and gears 22 are provided on the two sets of connecting shafts 21. A gear set 23 matching the gear 22 is provided at the bottom of the fork arm 6, and a first rack 24 matching the gear set 23 is provided at one side of the bottom of the first-stage fork 7. A second rack 25 is provided at one side of the top of the fork arm 6, and a third chain 26 is installed at one side of the inside of the first-stage fork 7 through a sprocket wheel, and the third chain 26 is matched with the second rack 25. A third rack 27 is provided at the bottom of the second-stage fork 8, and the third rack 27 is matched with the third chain 26. When in use, the first reduction motor 20 drives the connecting shaft 21 and the gear 22 to rotate, drives the gear set 23 to rotate, drives the first rack 24 to make the first-order fork 7 move out, and during the movement of the first-order fork 7, the third chain 26 is driven by the second rack 25 to run, and the third chain 26 synchronously drives the third rack 27 to make the second-order fork 8 move out, and during the movement of the second-order 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-order fork 9 to extend, and the three groups of forks are linked and extended synchronously, only one driving source is required, which is more energy-saving.

[0041] The fork arm 6 is rotatably provided with a first guide wheel 28 on both sides, the first-order fork 7 is movably adapted to the first guide wheel 28, the second guide wheels 29 are rotatably provided on both sides of the top of the second-order fork 8, and the second guide wheel 29 is supported on the inner side of the first-order fork 7, the second-order fork 8 is rotatably provided with a third guide wheel 30 on both sides of the bottom, and the third guide wheel 30 is supported inside the first-order fork 7, the third-order fork 9 is rotatably provided with a fourth guide wheel 31 at the middle position of the top of the third-order fork 9, and the fourth guide wheel 31 is supported in the top groove of the second-order fork 8, the third-order fork 9 is rotatably provided with a fifth guide wheel 32 on both sides, and the fifth guide wheel 32 is supported in the grooves on both sides of the second-order fork 8. The first-order fork 7 moves on the fork arm 6 based on the first guide wheel 28, the second-order fork 8 moves on the first-order fork 7 through the second guide wheel 29 and the third guide wheel 29, and the third-order fork 9 moves on the second-order fork 8 through the fourth guide wheel 31 and the fifth guide wheel 32, with multi-point support and greater stability.

[0042] Slide blocks 33 are provided at the four corners of the lifting platform 5, and guide blocks 34 adapted to the track 4 are provided at the upper and lower ends of the sliders 33. First stabilizing wheels 35 are rotatably provided on both sides of the guide blocks 34, and second stabilizing wheels 36 are rotatably provided at the outer ends of 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 both 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. During the lifting process of the lifting platform 5, the guide block 34 on the slider 33 is adapted to the track 4, and 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 tolerance, so that the wheel rim 38 can be tightly supported on the track 4, improving the stability of lifting and lowering, and avoiding the lifting platform 5 from tilting when loaded.

[0043] A second reduction motor 41 is provided at the middle position of one side of the base 1, and a rotating shaft 42 is connected to the output end of the second reduction motor 41, and third sprockets 43 are provided on both sides of the rotating shaft 42, and fourth sprockets 44 are provided at the middle position of the top of the two groups of the support 2, and a fourth chain 45 is connected between the third sprocket 43 and the fourth sprocket 44 on the same side. A sliding rod 46 is provided inside the support 2, and a counterweight 47 is movably provided 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, and shock absorbers 52 are provided on the base 1 at the positions on both sides below the lifting platform 5. When in use, the second reduction motor 41 drives the rotating shaft 42 and the third sprocket 43 to rotate, thereby cooperating with the fourth sprocket 44 to drive the fourth chain 45 to operate, pulling the lifting platform 5 to rise and fall along the track 4, and simultaneously pulling the counterweight block 47 to move along the slide bar 46, thereby improving the lifting stability of the lifting platform 5. The shock absorber 52 supports the lifting platform 5 when it descends, and there is also a limit block on the upper inner side of the support 2 to limit the highest position of the lifting platform 5.

[0044] Embodiment 2

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

[0046] Both sides of the lifting platform 5 are provided with fork arms 6, and a first-order fork 7 is movably provided on the fork arms 6, a second-order fork 8 is movably provided on the first-order fork 7, and a third-order fork 9 is movably provided on the second-order fork 8. When in use, the first-order fork 7 can be moved and extended on the fork arms 6, the second-order fork 8 can be moved and extended on the first-order fork 7, and the third-order fork 9 can be moved and extended on the second-order fork 8. The three sets of forks are linked and extended synchronously to carry weight. The height of the fork can be changed by the lifting platform 5 running along the track 4, and the position of the fork can be changed by the base 1 moving along the ground track 3. It is adapted to different transportation needs and has a wide range of applications.

[0047] A guide rack 48 is provided on one side of the interior of 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, a driving gear 50 adapted to the guide rack 48 is provided at the output end of the third reduction motor 49, and a guide gear 51 adapted to the guide rack 48 is rotatably provided at the bottom of the base 1 at one side of the driving gear 50. When in use, the third reduction motor 49 drives the driving gear 50 to rotate, meshes with the guide rack 48, and cooperates with the guide gear 51 to assist, so as to drive the base 1 to move along the ground rail 3.

[0048] The FMS flexible automated line handling trolley is a three-stage fork structure, the first-order fork 7 can be moved and extended on the fork arm 6, the second-order fork 8 can be moved and extended on the first-order fork 7, and the third-order fork 9 can be moved and extended on the second-order fork 8. The three sets of forks are linked and extended synchronously to carry weight. The height of the fork can be changed by the lifting platform 5 running along the track 4, and the position of the fork can be changed by the base 1 moving along the ground track 3. It is adapted to different handling needs and has a wide range of applications. In addition, the present invention rotates the gear 22 to drive the gear set 23 to rotate, and drives the first rack 24 to make the first-order fork 7 move and extend. During the movement of the first-order fork 7, the third chain 26 is driven by the second rack 25 to run, and the third chain 26 synchronously drives the third rack 27 to make the second-order fork 8 move and extend. During the movement of the second-order fork 8, due to the fixation of the first adjustment block 13, the first chain 16 and the first connecting block 10 are pulled, thereby pulling the third-order fork 9 to extend. The three sets of forks are linked and extended synchronously, and only one driving source is required, which is more energy-saving. At the same time, the position of the first adjusting block 12 on the first fixing block 18 can be adjusted by rotating the first screw rod, thereby tightening the first chain 16, and the position of the second adjusting block 13 on the second fixing block 19 can be adjusted by rotating the second screw rod, thereby tightening the second chain 17, so that the displacement of the three-stage fork 9 is more stable and accurate. 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, and 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, and the angle of the wheel body 37 can be adjusted by rotating the eccentric shaft 39, and fixed by the nut 40, thereby eliminating the tolerance, so that the wheel rim 38 can be tightly supported on the track 4, improving the stability of lifting and lowering, and avoiding the lifting platform 5 from tilting when loaded.

[0049] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. An FMS flexible automated line transport trolley, comprising a base (1) and a support (2), characterized in that: The base (1) is movably arranged on a ground rail (3), the support (2) is arranged on both sides above the base (1), and the front and rear ends of the support (2) are both provided with rails (4), and lifting platforms (5) are movably arranged on the rails (4) on both sides; Fork arms (6) are provided on both sides of the lifting platform (5), and a first-order fork (7) is movably provided on the fork arm (6), a second-order fork (8) is movably provided on the first-order fork (7), and a third-order fork (9) is movably provided on the second-order fork (8).

2. The FMS flexible automated line transport vehicle according to claim 1, characterized in that: A first connecting block (10) and a second connecting block (11) are respectively provided on one side of the top rear end and the other side of the front end of the three-stage fork (9); a first adjusting block (12) and a second adjusting block (13) are respectively provided on one side of the top rear end and the other side of the front end of the first-stage fork (7); a first sprocket (14) and a second sprocket (15) are respectively provided on one side of the front end and the other side of the rear end of the second-stage fork (8); a first chain (16) is connected between the first connecting block (10) and the first adjusting block (12), and the first chain (16) bypasses 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) bypasses the second sprocket (15).

3. The FMS flexible automated line transport vehicle according to claim 2, characterized in that: A first fixing block (18) and a second fixing block (19) are respectively provided on one side of the rear end and the other side of the front end of the top of the first-stage fork (7); a first screw rod threadably matched with the first fixing block (18) is provided at one end of the first adjusting block (12); and a second screw rod threadably matched with the second fixing block (19) is provided at one end of the second adjusting block (13).

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

5. The FMS flexible automated line transport vehicle according to claim 4, characterized in that: A second rack (25) is provided on one side of the top of the fork arm (6); a third chain (26) is installed on one side of the interior of the first-stage fork (7) via a sprocket wheel, and the third chain (26) is matched with the second rack (25); a third rack (27) is provided at the bottom of the second-stage fork (8), and the third rack (27) is matched with the third chain (26).

6. The FMS flexible automated line transport vehicle according to claim 1, characterized in that: The fork arm (6) is provided with a first guide wheel (28) on both sides thereof, the first-order fork (7) is movably matched with the first guide wheel (28), the second guide wheel (29) is provided with a second guide wheel (29) on both sides thereof, and the second guide wheel (29) is supported on the inner side of the first-order fork (7), the second-order fork (8) is provided with a third guide wheel (30) on both sides thereof, and the third guide wheel (30) is supported on the inner side of the first-order fork (7), the third-order fork (9) is provided with a fourth guide wheel (31) on the middle position of the inner top of the third-order fork (9), and the fourth guide wheel (31) is supported in the top groove of the second-order fork (8), the third-order fork (9) is provided with a fifth guide wheel (32) on both sides thereof, and the fifth guide wheel (32) is supported in the grooves on both sides of the second-order fork (8).

7. The FMS flexible automated line transport vehicle according to claim 1, characterized in that: Slide blocks (33) are provided at the four corners of the lifting platform (5), and guide blocks (34) adapted to the track (4) are provided at the upper and lower ends of the slide blocks (33). First stabilizing wheels (35) are rotatably provided on both sides of the guide blocks (34), and second stabilizing wheels (36) are rotatably provided at the outer ends of the guide blocks (34). The first stabilizing wheels (35) and the second stabilizing wheels (36) are supported on the track (4). The first stabilizing wheels (35) and the second stabilizing wheels (36) 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).

8. The FMS flexible automated line transport vehicle according to claim 1, characterized in that: A second reduction motor (41) is provided at a 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), third sprockets (43) are provided on both sides of the rotating shaft (42), fourth sprockets (44) are provided at middle positions on the tops of the two groups of supports (2), and a fourth chain (45) is connected between the third sprocket (43) and the fourth sprocket (44) on the same side.

9. The FMS flexible automated line transport vehicle according to claim 8, characterized in that: A sliding rod (46) is provided inside the support (2), and a counterweight (47) is movably provided 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 provided on the base (1) at both sides below the lifting platform (5).

10. The FMS flexible automated line transport vehicle according to claim 1, characterized in that: A guide rack (48) is provided on one side of the interior of 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); a driving gear (50) matched with the guide rack (48) is provided at the output end of the third reduction motor (49); a guide gear (51) matched with the guide rack (48) is rotatably provided at the bottom of the base (1) at one side of the driving gear (50).

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