Vertical continuous conveying lifting device

Abstract

The invention relates to the technical field of stacking lifting, in particular to a vertical continuous conveying lifting device which comprises a rail, a lower cross beam is installed on the rail through a walking mechanism, a plate storage bin is arranged on the right side of the lower cross beam, a plurality of standby table assemblies are arranged in the plate storage bin, and an outlet for the standby table assembly on the bottommost layer to pass through is formed in the left side face of the plate storage bin. A pallet fork is also installed on the standby table assembly, a plate pushing assembly used for pushing out the standby table assembly is arranged on the plate storage bin, a locking assembly used for being connected with the cargo carrying table and the standby table assembly at other positions is arranged on the standby table assembly, and an inserting assembly used for being connected with the standby table assembly is arranged at the position, below the cargo carrying table, of the lower cross beam. Through the arrangement of the standby table assemblies, the number of the standby table assemblies arranged on the lifting mechanism is controlled to be increased or decreased according to the mass of cargoes, the number of the table tops capable of carrying cargoes can be increased as much as possible within the bearing strength range of the lifting mechanism, and then the number of the cargoes capable of being carried in the single round-trip process is increased.

Description

Technical Field

[0001] The invention relates to the technical field of stacking and lifting, and in particular to a vertical continuous conveying and lifting device. Background Art

[0002] The vertical continuous conveying lifting device is a conveying device that can store and retrieve goods and is used to transport goods to storage areas at different heights by lifting. It is often used in environments such as high-rise warehouses.

[0003] When transporting goods in environments such as high-rise warehouses, the height of the goods conveyor platform is limited. Therefore, the cargo platform of the conveying lifting device needs to be low to correspond to the pickup area to pick up the goods, and the carrying capacity of the lifting mechanism is limited. The quality differences between different goods are large, and it is difficult to add a cargo platform to reduce the carrying capacity of the lifting mechanism. Therefore, the existing conveying lifting device often only has one cargo platform, resulting in that even when transporting lighter goods, each piece of goods needs to go through the process of picking up-transporting-resetting, and the cargo capacity cannot be controlled according to the quality of the goods, which makes it difficult to improve the transportation efficiency.

[0004] For this purpose, a vertical continuous conveying lifting device is proposed. Summary of the invention

[0005] In order to overcome the deficiencies of the prior art, the present invention provides a vertical continuous conveying lifting device.

[0006] To solve the above technical problems, the present invention provides the following technical solutions: a vertical continuous conveying lifting device, comprising a track, a lower crossbeam is installed on the track through a walking mechanism, a column is fixedly connected to the left top surface of the lower crossbeam, a cargo platform is slidably installed on the column through a lifting mechanism, an electric control cabinet is installed on the table top of the cargo platform, an electric control cabinet is also installed on the left side of the lower crossbeam, a board storage bin is arranged on the right side of the lower crossbeam, a number of spare table assemblies are arranged in the board storage bin, an exit for the lowest level spare table assembly to pass through is opened on the left side of the board storage bin, a cargo fork is also installed on the spare table assembly, a push plate assembly for pushing the spare table assembly out is arranged on the board storage bin, a locking assembly for connecting with the cargo platform and spare table assemblies at other positions is arranged on the spare table assembly, a plug-in assembly for connecting the spare table assembly is arranged under the cargo platform on the lower crossbeam, and the spare table assembly can be recovered into the board storage bin by releasing the locking assembly and the plug-in assembly.

[0007] As a preferred technical solution of the present invention, the spare table assembly includes a table plate, side guardrails are arranged on both sides of the top surface of the table plate, the fork is installed between the two side guardrails, and a plurality of plate conveyor rollers are rotatably installed at the bottom of the plate storage bin, and the plate conveyor rollers are in contact with the bottom surface of the lowest table plate.

[0008] As a preferred technical solution of the present invention, the plug-in component includes a plug-in board, the number of which is consistent with the number of spare table components, a socket plate is connected to the right side of the plug-in board, a snap-fitting groove is provided in the center of the socket plate, a power interface is provided at the rear end of the socket plate, an electromagnet is installed at the front end of the socket plate, a socket slot adapted to the socket plate is provided on the left side of the table plate, a groove adapted to the electromagnet is provided at the front end of the socket slot and a magnet is connected in the groove, a power connector is installed at the rear end of the socket slot, a snap-fitting plate adapted to the snap-fitting groove is connected to the center of the socket slot, both sides of the lower crossbeam are connected to sleeve frames, the sleeve frames are sleeved with the plug-in board, a slide groove is provided on the front of the front side guardrail and a lifting plate is sleeved in the slide groove, and the lifting plate is pressed against A telescopic device is installed on the front side of the side guardrail, and the transmission shaft of the telescopic device is connected to the lifting plate. A straight-line guide rod is connected to the top surface of the lower beam. A circular protrusion is provided on the left door of the plug-in board. A straight-line groove is provided on the circular protrusion and is sleeved with the guide rod. The front and rear faces of the lower beam are connected with extension platforms, and a guide rail is installed on the extension platform on the rear side, and an electric guide rail is installed on the extension platform on the front side. The front and rear ends of the bottom of the storage bin are respectively connected to the transmission parts of the guide rail and the electric guide rail, a spring rod is connected to the plug-in board, and a reset spring is sleeved on the spring rod. A ring is also sleeved on the right end of the spring rod, and the ring is connected to the right end of the reset spring. A round hole for the spring rod to pass through is provided on the table.

[0009] As a preferred technical solution of the present invention, the push plate assembly includes a gear cylinder, a driving motor is installed on the gear cylinder, a transmission shaft of the driving motor is located in the gear cylinder and is connected to the driving gear, a rack is arranged in the driving motor, the driving gear is meshed with the rack, a through hole is opened on the rack and a connecting rod is sleeved, the right end of the connecting rod is connected to the gear cylinder, and the left end of the rack is connected to the push plate column, a through hole for the push plate column to pass is opened on the storage plate bin, an electromagnet 2 is installed on the right side of the push plate column, a push plate groove adapted to the push plate column is opened on the right side of the table plate, a magnet 2 is connected in the push plate groove, four spur gears are arranged inside the table plate, the top surface of the spur gear is connected with a screw, the screw passes through the table plate and is threadedly connected to the bottom of the side guardrail at the corresponding position, a fixed shaft is fixedly connected to the center of the inner side of the table plate, a toggle gear is rotatably installed on the fixed shaft, the toggle gear is meshed with the spur gear, the top surface of the toggle gear is connected with a magnetic sensing rod, a magnet 3 is installed at the end of the magnetic sensing rod, and a plurality of electromagnets 3 are connected from top to bottom on the right side of the storage plate bin.

[0010] As a preferred technical solution of the present invention, the locking assembly includes a double-headed motor, which is installed at the center of the bottom surface of the cargo platform and the table top, and the transmission shafts at both ends of the double-headed motor are connected with threaded rods, and the threaded rods are threadedly connected with connecting plates, and the top surface of the side guardrail is connected with a locking plate, and the positions of the bottom surfaces of the cargo platform and the table top corresponding to the locking plates are connected with sleeve plates, and the sleeve plates are provided with grooves adapted to the locking plates, and the sleeve plates and the locking plates are provided with sockets, and a locking column is connected to the side of the connecting plate facing away from the double-headed motor, and the locking column corresponds to the socket, and the bottom surfaces of the cargo platform and the table top are connected with support rods useful for increasing the bearing strength of the connecting plate, and the support rods are inserted into the connecting plates.

[0011] Compared with the prior art, the present invention can achieve the following beneficial effects:

[0012] 1. By setting up spare table components, the increase or decrease of spare table components set on the lifting mechanism can be controlled according to the quality of the goods, so as to expand the number of cargo-carrying tables as much as possible within the load-bearing strength range of the lifting mechanism without affecting the basic cargo transportation function, thereby increasing the number of cargo that can be carried in a single round trip, saving waiting time, and greatly improving the efficiency of cargo transportation and stacking.

[0013] 2. Through the setting of the plug-in components, the connection of the spare table components can be quickly and stably achieved through a simple structure, and the electrical equipment on the table can be powered by the electrical connection of the power interface and the power connector, so that the power supply lines are concentrated on one side of the column to avoid wiring difficulties.

[0014] 3. Move the plate storage bin to the bottom of the cargo platform to store several platens. When the cargo platform moves to the cargo delivery position to pick up goods, it can automatically store several platens into the plate storage bin to clear the bottom of the cargo platform so that the cargo platform can be lowered to a lower place, ensuring the implementation of the cargo platform's picking function. Several platens can also be stored back into the plate storage bin, so that the number of platens can be controlled again according to the quality of the goods later, avoiding the problem of reduced efficiency caused by disassembling them one by one.

[0015] 4. Through the setting of side guardrails, the height can be automatically expanded when plugged in, thereby expanding the cargo table of the platform to expand the carrying capacity of goods, and can further protect the goods at a higher height, and automatically descend during the storage process, thereby reducing the space occupied for easy storage. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the present invention;

[0017] Figure 2 It is a schematic diagram of the bottom structure of the present invention;

[0018] Figure 3It is a structural schematic diagram of the lower cross beam of the present invention;

[0019] Figure 4 It is a structural schematic diagram of the plug board of the present invention;

[0020] Figure 5 It is a structural schematic diagram of the board storage bin of the present invention;

[0021] Figure 6 It is a schematic diagram of the top surface structure of the table plate of the present invention;

[0022] Figure 7 It is a schematic diagram of the bottom structure of the table plate of the present invention;

[0023] Figure 8 It is a schematic diagram of the bottom structure of the side guardrail of the present invention.

[0024] Among them: 10, track; 11, lower beam; 12, column; 13, cargo platform; 14, fork; 15, electric control cabinet; 16, board storage bin; 17, table; 18, side guardrail; 19, plug board; 20, socket plate; 21, snap-fit ​​groove; 22, power interface; 23, electromagnet 1; 24, socket groove; 25, magnet 1; 26, power connector; 27, snap-fit ​​plate; 28, sleeve frame; 29, telescopic device; 30, lifting plate; 31, guide rod; 32, gear cylinder; 33, drive motor; 34, drive gear ; 35. Rack; 36. Push plate column; 37. Electromagnet 2; 38. Push plate slot; 39. Magnet 2; 40. Plate feed roller; 41. Double-headed motor; 42. Threaded rod; 43. Connecting plate; 44. Locking column; 45. Sleeve plate; 46. Locking plate; 47. Support rod; 48. Extension table; 49. Guide rail; 50. Electric guide rail; 51. Spring rod; 52. Reset spring; 53. Ring; 54. Spur gear; 55. Fixed shaft; 56. Driving gear; 57. Magnetic rod; 58. Magnet 3; 59. Electromagnet 3. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work all belong to the protection scope of the present invention. The experimental methods in the following embodiments, unless otherwise specified, are conventional methods, and the materials, reagents, etc. used in the following embodiments, unless otherwise specified, can all be obtained from commercial channels.

[0026] Embodiment: Figure 1-8As shown, a vertical continuous conveying lifting device includes a track 10, a lower crossbeam 11 is installed on the track 10 through a walking mechanism, a column 12 is fixedly connected to the left top surface of the lower crossbeam 11, a cargo platform 13 is slidably installed on the column 12 through a lifting mechanism, an electric control cabinet 15 is installed on the table top of the cargo platform 13, and an electric control cabinet 15 is also installed on the left side of the lower crossbeam 11. The walking mechanism, the lifting mechanism and the electric control cabinet are all existing well-known technologies and are not described in detail here. A board storage bin 16 is arranged on the right side of the lower crossbeam 11, and a board storage bin 16 is arranged inside the board storage bin 16. There are several spare table assemblies. An exit for the lowest level spare table assemblies to pass through is opened on the left side of the board storage bin 16. A fork 14 is also installed on the spare table assembly. A push plate assembly for pushing the spare table assembly out is provided on the board storage bin 16. A locking assembly for connecting with the cargo platform 13 and spare table assemblies at other positions is provided on the spare table assembly. A plug-in assembly for connecting the spare table assembly is provided on the lower cross beam 11 below the cargo platform 13. The spare table assembly can be recovered into the board storage bin 16 by releasing the locking assembly and the plug-in assembly.

[0027] Specifically, when the cargo to be stacked is of light weight, after the cargo platform 13 extracts the cargo through the fork 14, the lifting mechanism drives the cargo platform 13 to rise, and then the spare platform assembly in the storage bin 16 is pushed out by the push plate assembly, and then installed under the cargo platform 13 through the plug-in assembly, and then locked to the cargo platform 13 through the locking assembly, so that the spare platform assembly can move up and down with the cargo platform 13, and the cargo is extracted to the table through the fork 14 on the spare platform assembly, and the spare platform assemblies subsequently connected to the plug-in assembly are connected to each other through the locking assembly.

[0028] like Figure 6 As shown, the spare table assembly includes a table top 17, side guardrails 18 are provided on both sides of the top surface of the table top 17, the fork 14 is installed between the two side guardrails 18, and a control module is also provided on the table top 17. The control module uses a circuit board and related components for controlling the equipment and related sensors on the table top 17.

[0029] Specifically, the side guardrails 18 are used to protect the goods transported to the table top 17 .

[0030] like Figure 3 , Figure 4 and Figure 7As shown, the plug-in assembly includes a plug-in board 19, the number of which is consistent with the number of spare table assemblies, a socket plate 20 is connected to the right side of the plug-in board 19, a snap-fitting groove 21 is provided in the center of the socket plate 20, a power interface 22 is provided at the rear end of the socket plate 20, an electromagnet 23 is installed at the front end of the socket plate 20, a socket slot 24 adapted to the socket plate 20 is provided on the left side of the table 17, a groove adapted to the electromagnet 23 is provided at the front end of the socket slot 24, and a magnet 25 is connected in the groove, a power connector 26 is installed at the rear end of the socket slot 24, the power interface 22 and the power connector 26 are aviation connectors, and a snap-fitting plate 27 adapted to the snap-fitting groove 21 is connected to the center of the socket slot 24.

[0031] Specifically, after the table 17 is pushed out by the push plate assembly and corresponds to the plug-in board 19, the electromagnet 23 is started to generate magnetic attraction to the magnet 25, thereby attracting the table 17 toward the plug-in board 19 and allowing the socket plate 20 to be socketed with the socket groove 24, wherein the engagement groove 21 and the engagement plate 27 are engaged to increase the stability of the plug-in, and the power connector 26 is connected to the power interface 22 to supply power to the electrical equipment on the table 17.

[0032] like Figure 3 and Figure 4 As shown, both sides of the lower crossbeam 11 are connected with a sleeve frame 28, the cross section of the sleeve frame 28 is C-shaped and is inserted into the plug board 19, a slide groove is provided on the front side of the front side guardrail 18 and a lifting plate 30 is sleeved in the slide groove, and the lifting plate 30 is in contact with the bottom surface of the plug board 19 at the bottom layer, and a telescopic device 29 is installed on the front side of the front side guardrail 18. The telescopic device 29 adopts a telescopic motor, and the transmission shaft of the telescopic device 29 is connected to the lifting plate 30. The top surface of the lower crossbeam 11 is connected to a straight-line guide rod 31, and the left door of the plug board 19 is provided with a circular protrusion, and a straight-line groove is provided on the circular protrusion and is sleeved with the guide rod 31.

[0033] Specifically, when the transmission shaft of the telescopic device 29 is extended or retracted, it can drive the lifting plate 30 to rise and fall, thereby adjusting the position of the plug-in board 19 up and down, so that the position can be adjusted to better correspond to the table 17, thereby making it easier to connect. In addition, the plug-in board 19 is guided by the guide rod 31 to avoid position deviation of the plug-in board 19, thereby further ensuring the stability of the connection and lifting process.

[0034] like Figure 1 , Figure 5 and Figure 6As shown, the push plate assembly includes a gear cylinder 32, on which a driving motor 33 is installed. The transmission shaft of the driving motor 33 is located in the gear cylinder 32 and is connected to a driving gear 34. A rack 35 is arranged in the driving motor 33, and the driving gear 34 is meshed with the rack 35. A through hole is opened on the rack 35 and a connecting rod is sleeved thereon. The right end of the connecting rod is connected to the gear cylinder 32, and a push plate column 36 is connected to the left end of the rack 35. A through hole for the push plate column 36 to pass through is opened on the storage plate bin 16, and an electromagnet 2 37 is installed on the right side surface of the push plate column 36. A push plate groove 38 adapted to the push plate column 36 is opened on the right side surface of the table 17, and a magnet 2 39 is connected in the push plate groove 38.

[0035] Specifically, the driving motor 33 is started to drive the driving gear 34 to rotate, so that the driving gear 34 drives the rack 35 meshing with it to move left and right. When pushing the plate, the push plate column 36 is inserted into the push plate groove 38 to push the table plate 17 to the position of the corresponding plug-in component, and then the rack 35 is driven to reset. The table plate 17 located at the top in the storage bin 16 loses the obstruction of the rack 35 and falls to the bottom layer corresponding to the push plate column 36. When the amount of the table plate 17 is increased incorrectly and the plate needs to be collected, the rack 35 pushes the push plate column 36 to insert into the push plate groove 38, then the electromagnet 2 37 is started and the electromagnet 1 23 is disconnected, so that the electromagnet 2 37 attracts the magnet 2 39 through magnetic force to connect with the table plate 17, thereby retracting the table plate 17 into the storage bin 16.

[0036] like Figure 5 As shown, a plurality of plate conveying rollers 40 are rotatably mounted at the bottom of the plate storage bin 16 , and the plate conveying rollers 40 abut against the bottom surface of the bottom plate 17 .

[0037] Specifically, the friction of the moving platen 17 is reduced by the rolling of the platen roller 40, thereby facilitating the removal of the platen 17.

[0038] like Figure 2 and Figure 7 As shown, the locking assembly includes a double-headed motor 41, which is installed at the center of the bottom surface of the cargo platform 13 and the table top 17, and the transmission shafts at both ends of the double-headed motor 41 are connected with threaded rods 42, and the threaded rods 42 are threadedly connected with connecting plates 43, and the top surface of the side guardrail 18 is connected with a locking plate 46, and the bottom surfaces of the cargo platform 13 and the table top 17 corresponding to the locking plate 46 are connected with a sleeve plate 45, and the sleeve plate 45 is provided with a groove adapted to the locking plate 46, and the sleeve plate 45 and the locking plate 46 are provided with sockets, and the side of the connecting plate 43 away from the double-headed motor 41 is connected with a locking column 44, and the locking column 44 corresponds to the socket, and the bottom surfaces of the cargo platform 13 and the table top 17 are connected with a support rod 47 which is useful in increasing the bearing strength of the connecting plate 43, and the support rod 47 is inserted into the connecting plate 43.

[0039] Specifically, after the platform 17 is connected to the plug-in assembly, the sleeve plate 45 corresponds to the locking plate 46 at the corresponding position, and then the double-headed motor 41 is started to drive the threaded rod 42 to rotate, and the threaded rod 42 drives the double-headed motor 41 to move away from each other, and then the locking column 44 is inserted into the sleeve plate 45 and the locking plate 46 at the corresponding position, and the platform 17 is connected to the upper cargo platform 13 or another platform 17, so that the platform 17 is locked to the cargo platform 13 or another platform 17 to follow the lifting. Through the setting of the locking assembly, the subsequent connected platform 17 can be locked with the cargo platform 13, or locked with the upper platform 17, so that it can be lifted and lowered with the lifting mechanism, which is convenient for controlling the position of cargo transportation, while avoiding the cost increase caused by the addition of an additional lifting mechanism.

[0040] like Figure 1 and Figure 3 As shown, the front and rear faces of the lower cross beam 11 are connected with an extension platform 48, and the extension platform 48 is L-shaped. A guide rail 49 is installed on the extension platform 48 on the rear side, and an electric guide rail 50 is installed on the extension platform 48 on the front side. The front and rear ends of the bottom surface of the storage bin 16 are respectively connected to the transmission parts of the guide rail 49 and the electric guide rail 50. A spring rod 51 is connected to the plug-in board 19, and a reset spring 52 is inserted into the spring rod 51. A ring 53 is also sleeved on the right end of the spring rod 51, and the ring 53 is connected to the right end of the reset spring 52. A round hole for the spring rod 51 to pass through is opened on the table 17.

[0041] Specifically, when the table 17 is connected to the plug-in board 19 by magnetic force, the spring rod 51 is inserted into the round hole on the table 17, and the ring 53 is pushed by the surface of the table 17 to slide on the spring rod 51 and compress the reset spring 52. After the goods are transported, the cargo platform 13 is lifted to a high place, and the electric guide rail 50 controls the board storage bin 16 to move left to below the cargo platform 13. At this time, the top surface of the board storage bin 16 corresponds to the table 17, and then the cargo platform 13 is controlled to descend, and the bottom table 17 contacts the When the bottom surface of the board storage bin 16 or the table 17 in the board storage bin 16 is touched, the double-headed motor 41 drives the threaded rod 42 to rotate and pull back the locking column 44, thereby releasing the lock with the upper table 17 or the cargo platform 13, and the electromagnet 23 is powered off to stop the magnetic attraction of the magnet 25. At this time, the reset spring 52 rebounds and pushes the table 17 off the socket plate 20 through the ring 53, thereby allowing the table 17 to fall into the board storage bin 16. By repeating the above actions, a number of table plates 17 can be stored in the board storage bin 16.

[0042] like Figure 1 and Figure 8As shown, four spur gears 54 are arranged inside the table 17, and a threaded screw is connected to the top surface of the spur gear 54, which passes through the table 17 and is threadedly connected to the bottom of the side guardrail 18 at the corresponding position. A fixed shaft 55 is fixedly connected to the center of the inside of the table 17, and a toggle gear 56 is rotatably installed on the fixed shaft 55 through a bearing. The toggle gear 56 is meshed with the spur gear 54, and a magnetic sensing rod 57 is connected to the top surface of the toggle gear 56. A magnet three 58 is installed at the end of the magnetic sensing rod 57. A plurality of electromagnets three 59 are connected to the right side of the storage bin 16 from top to bottom.

[0043] Specifically, when the table 17 is installed in the plug-in assembly, the magnetic force of the electromagnet 23 acts on the magnet 3 58 on the magnetic rod 57, and the magnet 3 58 pushes the toggle gear 56 to rotate, and the spur gear 54 meshing with the toggle gear 56 rotates accordingly, and drives the screw to rotate, so that the side guardrail 18 threadedly connected to it rises, thereby expanding the height of the loading platform of the table 17. In the process of storing it in the storage bin 16, the electromagnet 3 59 is started to attract the magnetic rod 57 to reset, and then the screw is reversed to make the side guardrail 18 drop, thereby reducing the overall height of the spare table assembly for easy storage.

[0044] Working principle:

[0045] Before use: a weighing module is set at the pickup position to measure the overall mass of the goods, a certain range is set for the load-bearing capacity of the lifting mechanism, the lower cross beam 11 is lifted and moved along the track 10 to the pickup position, and then the fork 14 on the cargo platform 13 extracts the goods to the cargo platform 13.

[0046] When in use: In the first step, when the sum of the mass of subsequent goods, the mass of the table 17 and the mass of the extracted goods does not reach the lifting mass threshold of the lifting mechanism, the lifting mechanism drives the cargo platform 13 to rise to make room below, and the telescopic device 29 drives the uppermost plug-in plate 19 to move to the position corresponding to the lowermost table 17, the push plate assembly pushes the table 17 out, the plug-in assembly connects the table 17, and then the fork 14 on the table 17 extracts the goods.

[0047] In the second step, the first step is repeated until the load-bearing capacity threshold is reached, and then the lower beam 11 is moved through the walking mechanism, and then the goods are stored through the lifting mechanism and the fork 14.

[0048] In the third step, after the goods are stored, the cargo platform 13 drives the table plate 17 to move upwards, and the storage bin 16 is moved to the position corresponding to the table plate 17 through the electric guide rail 50, and then the cargo platform 13 is lowered to allow the table plate 17 to be stored in the storage bin 16. During the storage process, the locking components and the plug-in components are gradually released, so that the table plate 17 is stored back in the storage bin 16, and then the electric guide rail 50 drives the storage bin 16 to reset.

[0049] After use: Repeat the above steps.

[0050] The embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A vertical continuous conveying lifting device, comprising a track (10), a lower beam (11) is installed on the track (10) through a walking mechanism, a column (12) is fixedly connected to the left top surface of the lower beam (11), a cargo platform (13) is slidably installed on the column (12) through a lifting mechanism, an electric control cabinet (15) is installed on the table top of the cargo platform (13), and an electric control cabinet (15) is also installed on the left side of the lower beam (11), characterized in that: A board storage bin (16) is arranged on the right side of the lower cross beam (11), and a plurality of spare table assemblies are arranged in the board storage bin (16). An exit for the lowest level spare table assembly to pass through is opened on the left side of the board storage bin (16). A cargo fork (14) is also installed on the spare table assembly. A push plate assembly for pushing out the spare table assembly is arranged on the board storage bin (16). A locking assembly for connecting with the cargo platform (13) and spare table assemblies at other positions is arranged on the spare table assembly. A plug-in assembly for connecting the spare table assembly is arranged below the cargo platform (13) on the lower cross beam (11). The spare table assembly can be recovered into the board storage bin (16) by releasing the locking assembly and the plug-in assembly.

2. A vertical continuous conveying lifting device according to claim 1, characterized in that: The standby platform assembly comprises a platform (17), side guardrails (18) are arranged on both sides of the top surface of the platform (17), and the fork (14) is installed between the two side guardrails (18).

3. A vertical continuous conveying lifting device according to claim 2, characterized in that: The plug-in assembly comprises a plug-in board (19), the number of the plug-in boards (19) being the same as the number of the standby table assemblies, a socket board (20) being connected to the right side of the plug-in board (19), a snap-fitting groove (21) being provided at the center of the socket board (20), a power interface (22) being provided at the rear end of the socket board (20), an electromagnet (23) being installed at the front end of the socket board (20), a socket slot (24) being adapted to the socket board (20) being provided on the left side of the table plate (17), a groove being adapted to the electromagnet (23) being provided at the front end of the socket slot (24) and a magnet (25) being connected in the groove, a power connector (26) being installed at the rear end of the socket slot (24), and a snap-fitting plate (27) being adapted to the snap-fitting groove (21) being connected at the center of the socket slot (24).

4. A vertical continuous conveying lifting device according to claim 3, characterized in that: Both sides of the lower cross beam (11) are connected with sleeve frames (28), the sleeve frames (28) and the plug board (19) are inserted into each other, a slide groove is provided on the front side of the side guardrail (18) and a lifting plate (30) is sleeved in the slide groove, the lifting plate (30) contacts the bottom surface of the plug board (19) at the bottom layer, a telescopic device (29) is installed on the front side of the side guardrail (18), and the transmission shaft of the telescopic device (29) is connected to the lifting plate (30), the top surface of the lower cross beam (11) is connected with a straight-line guide rod (31), and a circular protrusion is provided on the left side door of the plug board (19), and a straight-line groove is provided on the circular protrusion and sleeved with the guide rod (31).

5. A vertical continuous conveying lifting device according to claim 3, characterized in that: The push plate assembly comprises a gear cylinder (32), a driving motor (33) is mounted on the gear cylinder (32), a transmission shaft of the driving motor (33) is located in the gear cylinder (32) and is connected to a driving gear (34), a rack (35) is arranged in the driving motor (33), the driving gear (34) is meshed with the rack (35), a through hole is provided on the rack (35) and a connecting rod is sleeved thereon, the right end of the connecting rod is connected to the gear cylinder (32), a push plate column (36) is connected to the left end of the rack (35), a through hole for the push plate column (36) to pass through is provided on the plate storage bin (16), a second electromagnet (37) is mounted on the right side surface of the push plate column (36), a push plate groove (38) adapted to the push plate column (36) is provided on the right side surface of the table (17), and a second magnet (39) is connected in the push plate groove (38).

6. A vertical continuous conveying lifting device according to claim 3, characterized in that: A plurality of plate conveying rollers (40) are rotatably mounted at the bottom of the plate storage bin (16), and the plate conveying rollers (40) are in contact with the bottom surface of the bottommost platform (17).

7. A vertical continuous conveying lifting device according to claim 5, characterized in that: The locking assembly comprises a double-headed motor (41), which is installed at the center of the bottom surface of the cargo platform (13) and the platform (17), the transmission shafts at both ends of the double-headed motor (41) are connected to threaded rods (42), the threaded rods (42) are threadedly connected to connecting plates (43), the top surface of the side guardrail (18) is connected to a locking plate (46), and the bottom surfaces of the cargo platform (13) and the platform (17) corresponding to the locking plate (46) are connected to sleeve plates (45 ), a groove adapted to the locking plate (46) is formed on the sleeve plate (45), and insertion holes are formed on the sleeve plate (45) and the locking plate (46), a locking column (44) is connected to a side of the connecting plate (43) away from the double-headed motor (41), and the locking column (44) corresponds to the insertion hole, and the bottom surfaces of the cargo platform (13) and the platform (17) are connected to support rods (47) for increasing the bearing strength of the connecting plate (43), and the support rods (47) are inserted into the connecting plate (43).

8. A vertical continuous conveying lifting device according to claim 7, characterized in that: The front and rear surfaces of the lower cross beam (11) are both connected to an extension platform (48), a guide rail (49) is installed on the extension platform (48) on the rear side, and an electric guide rail (50) is installed on the extension platform (48) on the front side. The front and rear ends of the bottom surface of the storage bin (16) are respectively connected to the transmission components of the guide rail (49) and the electric guide rail (50). The plug-in board (19) is connected to a spring rod (51), a reset spring (52) is inserted into the spring rod (51), and a collar (53) is also sleeved on the right end of the spring rod (51), and the collar (53) is connected to the right end of the reset spring (52). A round hole for the spring rod (51) to pass through is opened on the table (17).

9. A vertical continuous conveying lifting device according to claim 7, characterized in that: Four spur gears (54) are arranged inside the table (17), the top surface of the spur gears (54) is connected with a screw rod, the screw rod passes through the table (17) and is threadedly connected to the bottom of the side guardrail (18) at the corresponding position, a fixed shaft (55) is fixedly connected to the center of the table (17), a toggle gear (56) is rotatably mounted on the fixed shaft (55), the toggle gear (56) is meshed with the spur gears (54), the top surface of the toggle gear (56) is connected with a magnetic sensing rod (57), the end of the magnetic sensing rod (57) is installed with a magnet three (58), and the right side of the storage bin (16) is connected with a plurality of electromagnets three (59) from top to bottom.

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