CN220683619U - Accurate-butt-joint high-speed layer-changing elevator - Google Patents

Abstract

The utility model discloses a high-speed layer-changing elevator with accurate butt joint, which is characterized by comprising a fixed main frame, wherein a cargo carrying platform and guide rails with adjustable mutual distance are arranged in the main frame, and the cargo carrying platform is driven by a lifting device to move up and down in the main frame along the guide rails; the cargo carrying platform comprises a rack, a telescopic rail is arranged in the rack, a push plate is arranged at one end of the telescopic rail, and a thrust bearing is arranged below the push plate; the device comprises a layer-changing butt joint device, a pushing sleeve component and a transition track, wherein the layer-changing butt joint device is matched with a shuttle track and comprises a butt joint seat for accommodating thrust bearing insertion, a pushing plate for pushing, the transition track is used for fixing the butt joint seat and the pushing sleeve component, a buffer component is further arranged on the transition track, and a rotating component is connected between the buffer component and the pushing sleeve component. The utility model ensures that the cargo carrying platform is lifted up quickly and stably according to a vertical route, realizes accurate butt joint of the lifting machine and the goods shelf, and improves the layer changing efficiency.

Description

Accurate-butt-joint high-speed layer-changing elevator

Technical Field

The utility model relates to logistics warehouse system transportation equipment, in particular to a high-speed layer-changing elevator with accurate butt joint.

Background

In an automated warehouse logistics system, various high-tech equipment and technologies are required to be used in order to realize efficient and rapid cargo management and logistics operation. With the development of modern logistics industry, the scale of warehouse logistics is larger and larger, and the quantity and the variety of goods in the warehouse are also more and more abundant. In dense storage libraries, multi-level shuttles have been an important cargo transportation facility, but most storage areas do not require that each level be equipped with multi-level shuttles. Therefore, there is a need for an automated shuttle lifting device that enables rapid switching of work pallet layers of a shuttle, thereby improving the cargo handling efficiency of a warehouse. Meanwhile, in order to secure the safety and protection of goods, the lifting and handling of the shuttle needs to be completed by using equipment with high precision and high reliability.

Along with the continuous development of society, the demands of the warehouse industry for storage capacity and warehouse-in and warehouse-out efficiency are continuously improved, and the demands on the precision and reliability of the layer-changing elevator are also higher and higher. However, the existing layer-changing elevator has the following defects: (1) In the lifting process, the cargo table cannot be lifted upwards stably according to a vertical route, and the cargo table runs unstably; (2) After the height of the elevator exceeds 20 meters, the elevator cannot keep high-speed stable running; (3) When the layer-changing lifting machine is in butt joint with the goods shelves, the lifting machine is inaccurate in butt joint with the goods shelf track due to the fact that the goods shelves are inclined.

Disclosure of Invention

The utility model aims at: aiming at the problems, the high-speed layer-changing elevator with accurate butt joint is provided, the guide rail with adjustable space is arranged in the main frame to provide supporting and guiding functions, and when the ground is uneven, the guide rail can be adjusted left and right by virtue of the mounting plate to adjust the straightness of the rail, so that the cargo carrying platform is stably lifted upwards according to a vertical route, and the high-speed layer-changing state is kept stable; meanwhile, a telescopic shuttle rail is arranged and is matched with the layer-changing butting device to form rigid connection, and a buffer assembly of the layer-changing butting device is driven to be opened, so that the shuttle can conveniently drive in and out of the elevator, and accurate layer-changing butting is realized.

The technical scheme of the utility model is as follows:

the utility model discloses a high-speed layer-changing elevator with accurate butt joint, which comprises a fixed main frame, wherein a cargo carrying platform and guide rails with adjustable mutual distance are arranged in the main frame, and the cargo carrying platform is driven by a lifting device to move up and down in the main frame along the guide rails; the cargo carrying platform comprises a rack, a transfer platform, a sliding rail and a driving device are arranged in the rack, a shuttle rail is arranged on the transfer platform, a push plate is arranged at one end of the shuttle rail, and a thrust bearing is arranged below the push plate;

the device comprises a shuttle car track, a layer changing butt joint device and a rotary assembly, wherein the layer changing butt joint device is matched with the shuttle car track and comprises a butt joint seat for accommodating the insertion of a thrust bearing, a push sleeve assembly pushed by a push plate and a transition track for fixing the butt joint seat and the push sleeve assembly;

the transfer platform is pushed by the driving device to move back and forth in the rack along the sliding rail, the shuttle rail is driven to move, the pushing plate on the shuttle rail pushes the pushing sleeve component to move, the pushing sleeve component drives the rotating component to rotate, and the rotating component drives the buffer component to rotate around the transition rail.

Further, the lifting device comprises a lifting driving device, the lifting driving device is connected with a driving shaft through a coupling, the driving shaft penetrates through a driving synchronous pulley, a synchronous belt is arranged on the driving synchronous pulley, and the synchronous belt is connected with an upper pressing plate and a lower pressing plate on the cargo carrying platform through a tensioning idler pulley and a transition pulley sequentially.

Further, a synchronous belt righting device is arranged between the synchronous belts.

Further, the main frame comprises an upright post, a top frame and a bottom frame, and the upright post is respectively connected with the top frame and the bottom frame up and down; the upright posts are reinforced by diagonal braces or transverse braces; the upright post adopts a shelf upright post, and the shelf upright post is connected with an opening.

Further, an upper buffer and a lower buffer are respectively arranged on the top frame and the bottom frame.

Further, guide wheel assemblies are respectively arranged at the outer joints of the racks, and the guide wheel assemblies move along the guide rails; the guide wheel assembly comprises a mounting plate, a guide wheel shaft, a bearing and a long screw, wherein the guide wheel is connected to the rack through the long screw, and the front and rear positions of the guide wheel are adjusted by screwing the long screw.

Further, a blocking trolley sliding component is arranged at the other end of the shuttle rail, and the trolley is prevented from sliding out from the other end of the shuttle rail; the sliding rail is connected with the transfer platform by means of a connecting plate; the thrust bearing is fixed on the shuttle rail through a bracket; and a blocking device is arranged on the rack.

Further, trade layer interfacing apparatus still includes the installation linking bridge subassembly, and the installation linking bridge subassembly includes L template and long screw rod, and the one side of L template is connected the shuttle track through long screw rod, and the another side is fixed on the rack, adjusts the butt joint of shuttle track and goods shelves through adjusting screw rod length.

Further, the rack is formed by aluminium alloy concatenation, and the junction has the mounting panel to do the connection and consolidates, and outer connecting plate parcel live the frame right angle both sides, and aluminium alloy junction angle inboard has L type connecting plate to consolidate, and the rack middle part is supported through aluminium alloy crossbeam.

Further, a floor detection device is also installed.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

1. the utility model ensures that the layer-changing elevator stably lifts upwards according to a vertical route, and ensures that the condition of uneven ground of the guide rail can also meet the straightness requirement by designing the guide rail in four directions and utilizing the mounting plate to adjust the guide rail left and right, thereby providing a vertical route and stably lifting and descending the cargo carrying platform along the guide rail.

2. The utility model meets the requirement of high-speed layer change, adopts the goods shelf upright post as a main supporting part, adopts diagonal braces on the left side and the right side of the elevator frame to carry out reinforcement support, adopts transverse braces on the front side and the rear side to carry out reinforcement, forms a high-strength frame structure, and is also provided with a synchronous belt centering device to provide stable environment for the high-speed operation of the elevator and ensure the high-speed operation of the layer change elevator.

3. According to the utility model, when the layer change of the shuttle is realized, the layer change elevator is accurately abutted with the goods shelf, the abutting rigidity of the interface is enhanced through the cooperation of the telescopic shuttle rail and the layer change abutting device, the length of the adjustable screw is adapted to the inclination deviation of the goods shelf to a certain extent, and the abutting accuracy of the two guide rails during layer change is improved.

4. According to the utility model, the safety of layer replacement is improved, the lifting safety is protected by arranging the upper buffer and the lower buffer on the top frame and the bottom frame, the blocking sliding component is arranged on the shuttle rail of the lifting machine, and the buffer component is arranged on the transition rail, so that the safety of the shuttle is protected.

5. The utility model enhances the flexibility and convenience of the installation and use of the layer-changing elevator, the whole frame adopts the shelf upright post as a main supporting part, the elevator height can be adjusted by changing the length more in need, large design change is not needed, the opening on the shelf upright post is convenient for installation, and the interface is flexible and adjustable; the frame and the upright post are connected by bolts; the long screw can be screwed back and forth to adjust the front and back positions of the guide wheel; the length of the adjusting screw is adapted to the left-right offset of the goods shelf; the components are convenient to assemble and disassemble, and the cost is greatly saved.

6. The utility model can accurately control the position and the movement track of the multi-layer shuttle and ensure the safety and the protection of the multi-layer shuttle.

Drawings

Fig. 1 is a schematic diagram of the front structure of a precisely-butted high-speed layer-changing elevator of the utility model.

Fig. 2 is a schematic diagram of the back structure of a precisely-butted high-speed layer-changing elevator of the utility model.

Fig. 3 is a schematic structural view of a cargo bed according to an embodiment.

Fig. 4 is a schematic view illustrating a state of the shuttle rail and the layer change docking device according to an embodiment.

Fig. 5 is a schematic structural diagram of a layer-changing docking device in an embodiment.

Fig. 6 is a schematic structural diagram of a lifting device in an embodiment.

Reference numerals: 1-main frame, 11-top frame, 12-bottom frame, 101-upright, 102-guide rail, 103-shelf upright, 2-loading platform, 21-transfer platform, 22-guide wheel assembly, 23-left lower synchronous belt platen assembly, 24-left upper synchronous belt platen assembly, 25-right upper synchronous belt platen assembly, 26-right lower synchronous belt platen assembly, 27-stop slide car assembly, 201-electric cylinder, 202-slide rail, 211-shuttle rail, 212-push plate, 213-thrust bearing, 3-lifting device, 31-synchronous pulley mounting seat, 32-tensioning adjustment assembly, 33-transition pulley, 301-driving shaft, 302-gear motor, 303-driving synchronous pulley, 304-tensioning idler, 305-coupler, 306-left synchronous belt, 307-right synchronous belt, 4-layer changing butt joint device, 41-mounting connection bracket assembly, 42-rotating assembly, 43-buffer assembly, 401-transition rail, 402-supporting seat, 403-butt seat, 404-spring, 405-push sleeve, 406-guide seat, 407-422-421-pin shaft, 5-lower synchronous belt, 6-buffer bearing seat, 5-lower synchronous belt.

Detailed Description

It is noted that relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The features and capabilities of the present utility model are described in further detail below in connection with examples.

As shown in fig. 1 and 2, the utility model discloses a high-speed layer-changing elevator with accurate butt joint, which comprises a fixed main frame 1, wherein a cargo carrying platform 2 and guide rails 102 with adjustable mutual distance are arranged in the main frame 1, and the cargo carrying platform 2 is driven by a lifting device 3 to move up and down in the main frame 1 along the guide rails 102; the cargo carrying platform 2 comprises a rack, a transfer platform 21, a sliding rail 202 and a driving device are arranged in the rack, a shuttle rail 211 is arranged on the transfer platform 21, a push plate 212 is arranged at one end of the shuttle rail 211, and a thrust bearing 213 is arranged below the push plate 212; the device comprises a layer changing butt joint device 4 matched with a shuttle rail 211, wherein the layer changing butt joint device 4 comprises a butt joint seat 403 for accommodating the insertion of a thrust bearing 213, a push sleeve component pushed by a push plate 212, and a transition rail 401 for fixing the butt joint seat 403 and the push sleeve component, a buffer component 43 is further arranged on the transition rail 401, and a rotating component 42 is connected between the buffer component 43 and the push sleeve component; the transfer platform 21 is pushed by the driving device to move back and forth in the rack along the sliding rail 202, so as to drive the shuttle rail 211 to move, the push plate 212 on the shuttle rail 211 pushes the push sleeve assembly to move, the push sleeve assembly drives the rotating assembly 42 to rotate, and the rotating assembly 42 drives the buffer assembly 43 to rotate around the transition rail 401.

In the embodiment, the main frame 1 comprises a column 101, a top frame 11 and a bottom frame 12, and the column 101 is respectively connected with the top frame 11 and the bottom frame 12 up and down; the top frame 11, bottom frame 12 and upright 101 are made up of shelf upright 103 pieces. The top frame 11 is formed by sequentially connecting four welded square pipes by bolts, connecting parts are provided with connecting plate assemblies, and the top frame 11 can be connected with the upright posts 101 by bolts by means of the connecting plate assemblies. The bottom frame 12 is similarly formed by connecting four square tubes, and a motor installation base is arranged on the front side of the bottom frame 12. The left side and the right side of the main frame 1 are provided with diagonal braces for reinforcement and support, the front side and the rear side are provided with transverse braces for reinforcement, and the rear side is provided with diagonal braces for reinforcement. Aluminum profile guide rails are arranged on four sides of the inner side of the main frame 1, and are arranged on a mounting plate above the cross beam, and the distance can be slightly adjusted left and right so as to adjust the straightness of the rail. The top frame 11 and the bottom frame 12 are provided with an upper bumper 7 and a lower bumper 6, respectively.

As shown in fig. 3, the cargo platform 2 includes a rack, the rack is formed by splicing aluminum profiles, a connection part is provided with a mounting plate for connection reinforcement, two sides of the right angle of the rack are wrapped by an outer connecting plate, the inner side of the connecting angle of the aluminum profiles is provided with an L-shaped connecting plate for reinforcement, and the middle of the rack is provided with an aluminum profile beam for support. The guide wheel assembly 22 is arranged at the outer connecting plate, and wear-resistant rubber is used as a guide wheel material, so that the high-strength rubber in a high-speed state can ensure stable operation. The guide wheel assembly 22 consists of a mounting plate, a guide wheel shaft, a bearing and a long screw, wherein the long screw can be screwed back and forth to adjust the front and back positions of the guide wheel, so that the guide wheel and the aluminum profile guide rail can be kept in dimensional fit. The slide rails 202 are arranged on the aluminum profile beams at two sides of the rack, the slide rails 202 are connected with the transfer platform 21 through connecting plates, and the transfer platform 21 moves back and forth in the rack. The driving device is preferably an electric cylinder 201, the electric cylinder 201 is arranged on a lower middle beam of the rack, and a moment connecting component is arranged at the output end of the front section of the electric cylinder 201 and is connected with the transfer platform 21 to transmit forward and backward thrust. The frame of the transfer platform 21 is formed by splicing aluminum profiles, and shuttle tracks 211 are arranged on two sides of the frame. The push plate 212 is installed to shuttle track 211 front side, and the front side below has the bolt subassembly, and the bolt subassembly comprises thrust bearing 213 and support, and the guide rail 102 rear side has to stop swift current car subassembly 27 and stops the shuttle to roll out from the rear side, stops swift current car subassembly 27 to select buffer or baffle. The front side of the cargo carrying platform 2 is also provided with a blocking device which is of a vertically telescopic structure, the transfer platform 21 extends out, the blocking device is opened and retracts downwards, the cargo carrying platform 2 retracts, the blocking device is closed and extends upwards, and the safety of the shuttle in the cargo carrying platform 2 is effectively protected.

As shown in fig. 4, the layer changing docking device 4 includes a docking seat 403, a push sleeve assembly, a rotating assembly 42, a buffer assembly 43, and a transition track 401. The push sleeve assembly comprises a supporting seat 402, a spring 404, a push sleeve 405, a supporting rod, a guide seat 406 and a pin shaft 407. The rotation assembly 42 includes a rotation shaft 421, a bearing housing 422. The supporting seat 402 is two perforated plates, the two perforated plates are respectively fixed on the transition track 401, the two perforated plates are positioned on two sides of the butt joint seat 403, a supporting rod penetrates through the holes of the two perforated plates, a push head is arranged at one end of the supporting rod, the other end of the supporting rod penetrates through the second perforated plate to be connected with the push sleeve 405, the push sleeve 405 is arranged on the guide seat 406, the guide seat 406 limits the push sleeve 405 to move linearly back and forth only, the pin shaft 407 is arranged in the push sleeve 405 by nuts and is embedded into a spiral groove of the rotating shaft 421, and the rotating shaft 421 is arranged on the bearing seat 422 and is matched with a flat key to transmit the rotating force to the buffer component 43. The rotary shaft 421 comprises a rotary part and a shaft connecting part, two spiral grooves with the same rotary direction are symmetrically processed on the rotary part, pin shafts 407 are respectively inlaid in the spiral grooves, and the pin shafts 407 push the rotary shaft 421 to rotate along the spiral grooves; a key groove is processed on the shaft connecting part; the keyway is connected to the damper assembly 43 by a flat key. The buffer component 43 is a U-shaped piece, the U-shaped piece comprises two U-shaped blocks, the two U-shaped blocks are connected through bolts, and a limit column is sleeved on the bolt between the two U-shaped blocks; the two U-shaped blocks and the bearing seat 422 are internally provided with a rotating shaft 421 penetrating through; a buffer block is also vertically installed on the U-shaped block near the shuttle rail 211.

As shown in fig. 5, the layer-changing docking device 4 further includes a mounting connection bracket assembly 41, one side of an L-shaped plate in the mounting connection bracket assembly 41 is connected with a rack of the cargo carrying platform 2 of the elevator, the other side of the L-shaped plate is connected with a mounting plate of the shuttle rail 211 through four long screws, the length of the screws is adjusted, and the direction of the shuttle rail 211 is adjusted, so that the direction of the shuttle rail 211 is adjusted to adapt to the left-right offset of the goods shelf. Under the forward extending action of the cargo bed 2, the push head is pushed forward, and the push head moves forward to drive the rotation shaft 421 to rotate, and the rotation shaft 421 rotates to drive the buffer device to open. When the cargo bed 2 is retracted, the damper assembly 43 is closed by the spring force of the springs 404.

When not changing layers, the shuttle rail 211 and the transition rail 401 are not in butt joint with each other, the spring 404 is in a slightly contracted state, the position of the rotating shaft 421 is deviated from the left spiral groove and is not rotated, the buffer assembly 43 is in a position for blocking the forward movement of the shuttle, and the shuttle cannot pass through the two rails. When the multi-layer shuttle needs to change layers, before the shuttle runs to the layer changing elevator, the layer changing elevator needs to change layers, the electric cylinder 201 of the cargo carrying platform 2 works and stretches out forwards, the shuttle rail 211 stretches out under the acting force of the electric cylinder 201, the thrust bearing 213 is inserted into the groove of the access butt joint seat 403, the push plate 212 pushes the supporting rod of the push sleeve 405 to enable the push sleeve 405 to move forwards, the compression spring 404, the rotary shaft 421 is pushed by the pin shaft 407 to rotate along the spiral groove on the rotary shaft 421, the rotation of the rotary shaft 421 is transmitted to the buffer assembly 43 by the flat key, the buffer assembly 43 is opened, at the moment, the two rails are already in butt joint, the shuttle can enter the layer changing elevator cargo carrying platform 2 from one side of the goods shelf, and the rear electric cylinder 201 is retracted.

As shown in fig. 6, the lifting device 3 includes a lifting drive device, a coupling 305, a drive shaft 301, a drive timing pulley 303, a tension idler pulley 304, a tension adjustment assembly 32, a timing belt, and a transition pulley 33. The lift drive is generally preferably a gear motor 302. A base is fixed at the bottom, a gear motor 302 is installed on the base, synchronous pulley installation seats 31 are fixed on two sides of the gear motor 302, the gear motor is formed by welding steel plates, and a driving synchronous pulley 303 and a tensioning idler pulley 304 are installed in a synchronous pulley seat. The shaft coupling 305 is sleeved on the output shaft of the speed reducing motor 302, the shaft coupling 305 is connected with the driving shaft 301 and the speed reducing motor 302, the driving shaft 301 penetrates through the driving wheel, the bearings with seats are arranged on two sides of the synchronous pulley mounting seat 31, and power is transmitted between the driving wheel and the driving shaft 301 by means of flat keys. The hold-in range goes out from the hold-in range clamp plate subassembly on cargo table 2 upper portion, bypasses transition band pulley 33, and after the idler pulley 304 that rises, wears out from the idler pulley 304 bottom that rises, bypasses initiative hold-in range pulley 303 to it is many to go out to bypass half circle and change the direction through transition band pulley 33, connects the hold-in range clamp plate subassembly down in cargo table 2 lower part at last. In the embodiment, two synchronous belts, namely a left synchronous belt 306 and a right synchronous belt 307 are preferred, two ends of the left synchronous belt 306 are respectively connected with the left upper synchronous belt pressing plate assembly 24 and the left lower synchronous belt pressing plate assembly 23, and two ends of the right synchronous belt 307 are respectively connected with the right upper synchronous belt pressing plate assembly 25 and the right lower synchronous belt pressing plate assembly 26. A timing belt centering device 5 is provided between the left timing belt 306 and the right timing belt 307. Generally, four transition pulleys 33 are preferred, one synchronous belt sequentially passes through two transition pulleys 33, and the distance between the two transition pulleys 33 can be determined according to the position of the synchronous belt platen assembly. In an embodiment, a floor detection device is mounted on the floor change elevator.

The working process comprises the following steps:

after receiving the task that the shuttle needs to trade the layer, drive gear motor rotates and drives the driving shaft and rotate, the driving shaft is connected initiative synchronous pulley, synchronous pulley rotates, cup joint the hold-in range rectilinear motion above, hold-in range connects the upper and lower clamp plate on the cargo carrying platform, do the up-and-down motion to corresponding layer under the effect of hold-in range motion's power, confirm to reach the exact goods shelves layer according to floor detection device's electrical component feedback, trade the layer lifting machine and begin to dock, the jar advances, drive and move forward the platform, the front bolt subassembly of shuttle track inserts the butt joint board that trades layer interfacing apparatus, track rigidity when guaranteeing the vehicle to pass through, the push pedal promotes the push sleeve simultaneously, the push sleeve drives rotating assembly, rotating assembly rotates, the buffer assembly opens, dock after opening completely, the shuttle track and transition track link into an organic wholely basically. Simultaneously, the cargo carrying platform blocks the sliding assembly from being opened, and the shuttle is started to enter the cargo carrying platform. When the shuttle enters the cargo carrying platform to stop, the electric cylinder is retracted to drive the transfer platform to retract, the layer changing butt joint device and the buffer component are closed, and the transfer platform returns to the original position. The cargo carrying platform moves to the target layer with the shuttle, reaches the target layer, is pushed out by the electric cylinder, repeats the butt joint process, and after the butt joint is completed, the shuttle starts to enter the goods shelf, the electric cylinder is retracted, the buffer component is closed, and the layer replacement is finished.

The foregoing examples merely represent specific embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present application, which fall within the protection scope of the present application.

Claims (10)

1. The high-speed layer-changing elevator is characterized by comprising a fixed main frame (1), wherein a cargo carrying platform (2) and guide rails (102) with adjustable mutual distance are arranged in the main frame (1), and the cargo carrying platform (2) is driven by a lifting device (3) to move up and down in the main frame (1) along the guide rails (102); the cargo carrying platform (2) comprises a rack, a transfer platform (21), a sliding rail (202) and a driving device are arranged in the rack, a shuttle rail (211) is arranged on the transfer platform (21), a push plate (212) is arranged at one end of the shuttle rail (211), and a thrust bearing (213) is arranged below the push plate (212);

the device is matched with a shuttle track (211) and is provided with a layer-changing butt joint device (4), the layer-changing butt joint device (4) comprises a butt joint seat (403) for accommodating the insertion of a thrust bearing (213), a push sleeve assembly pushed by a push plate (212), and a transition track (401) for fixing the butt joint seat (403) and the push sleeve assembly, the transition track (401) is also provided with a buffer assembly (43), and a rotating assembly (42) is connected between the buffer assembly (43) and the push sleeve assembly;

the transfer platform (21) is pushed by the driving device to move back and forth in the rack along the sliding rail (202), the shuttle rail (211) is driven to move, the pushing plate (212) on the shuttle rail (211) pushes the pushing sleeve component to move, the pushing sleeve component drives the rotating component (42) to rotate, and the rotating component (42) drives the buffer component (43) to rotate around the transition rail (401).

2. The precisely-butted high-speed layer-changing elevator according to claim 1, wherein the lifting device (3) comprises a lifting driving device, the lifting driving device is connected with a driving shaft (301) through a coupler (305), the driving shaft (301) passes through a driving synchronous pulley (303), a synchronous belt is arranged on the driving synchronous pulley (303), and the synchronous belt is connected with an upper pressing plate and a lower pressing plate on the cargo carrying platform (2) through a tensioning idler pulley (304) and a transition pulley (33) in sequence.

3. The precisely-butted high-speed layer-changing elevator according to claim 2, characterized in that a synchronous belt righting device (5) is arranged between the synchronous belts.

4. The precisely-butted high-speed floor-changing elevator according to claim 1, wherein the main frame (1) comprises a stand column (101), a top frame (11) and a bottom frame (12), and the stand column (101) is respectively connected with the top frame (11) and the bottom frame (12) up and down; the upright posts (101) are reinforced by diagonal braces or transverse braces; the upright post (101) adopts a goods shelf upright post (103), and the goods shelf upright post (103) is connected through an opening.

5. The precisely-butted high-speed floor-changing elevator according to claim 4, characterized in that the top frame (11) and the bottom frame (12) are respectively provided with an upper buffer (7) and a lower buffer (6).

6. The precisely-butted high-speed layer-changing elevator according to claim 1, wherein the outer joints of the racks are respectively provided with a guide wheel assembly (22), and the guide wheel assemblies (22) move along the guide rails (102); the guide wheel assembly (22) comprises a mounting plate, a guide wheel shaft, a bearing and a long screw, wherein the guide wheel is connected to the rack through the long screw, and the long screw is screwed to adjust the front and rear positions of the guide wheel.

7. The precisely-butted high-speed floor-changing elevator according to claim 1, wherein a blocking trolley component (27) is arranged at the other end of the shuttle rail (211) to block the trolley from sliding out of the other end of the shuttle rail (211); the sliding rail (202) is connected with the transfer platform (21) by means of a connecting plate; the thrust bearing (213) is fixed on the shuttle rail (211) through a bracket; and a blocking device is arranged on the rack.

8. The high-speed floor-changing elevator with accurate butt joint according to claim 1, wherein the floor-changing butt joint device (4) further comprises a mounting connection bracket assembly (41), the mounting connection bracket assembly (41) comprises an L-shaped plate and a long screw, one surface of the L-shaped plate is connected with a shuttle rail (211) through the long screw, the other surface of the L-shaped plate is fixed on a rack, and the butt joint of the shuttle rail (211) and the rack is adjusted through the length of the adjusting screw.

9. The accurate-butt-joint high-speed layer-changing elevator according to claim 1 or 6, wherein the rack is formed by splicing aluminum profiles, connecting and reinforcing are carried out at connecting positions by installing plates, outer connecting plates wrap two right-angle sides of a frame, L-shaped connecting plates are arranged on the inner sides of connecting angles of the aluminum profiles for reinforcing, and the middle of the rack is supported by an aluminum profile beam.

10. The precisely docked high-speed floor-changing elevator of claim 1, further comprising a floor detection device.