A pulley installation structure for high-position stacker

Abstract

The present invention relates to the technical field of pulley block structures, and specifically discloses a pulley mounting structure for a high-position stacker, comprising a mounting tube, the outer surfaces of both ends of which are fixedly connected to the stacker. Since the outer surface of the stabilizing plate is connected to an extrusion plate, and the extrusion plate is supported by a rubber material, the pull rope will continuously generate an extrusion force with the extrusion plate, forcing the extrusion plate to be concave toward the side of the stabilizing plate. At the same time, the elastic force brought by the elastic plate causes an elastic extrusion force to exist between the extrusion plate and the pull rope, and the strong friction between the pull rope and the rubber material increases the friction resistance between the pull rope and the moving ring, thereby greatly improving the friction resistance between the pulley block assembly and the pull rope, thereby significantly reducing the possibility of relative sliding between the pull rope and the pulley block assembly, and avoiding the problem that the pulley of the current stacker often slides relative to the pull rope during movement, resulting in unstable movement.

Description

Technical Field

[0001] The invention relates to the technical field of pulley block structures, in particular to a pulley installation structure for a high-position stacker. Background Art

[0002] In the field of pulley group structure technology, the pulley installation structure of the high-position stacker is a key component for realizing the stable movement of the stacker along the slide rail. The traditional pulley installation structure of the high-position stacker has some technical challenges and problems in actual application. One of the main problems is that the pulley may slide relative to the pull rope when moving, resulting in unstable movement of the stacker, which not only affects the efficiency of the stacking operation, but also increases the safety hazards during the operation.

[0003] In addition, traditional pulley mounting structures may lack sufficient connection strength between the pulley assembly and the slide rail, increasing the risk of derailment. This is particularly evident when the stacker crane is operating at high speed or high frequency. Derailment will not only cause work interruption, but may also cause equipment damage and cargo loss.

[0004] Furthermore, traditional pulley mounting structures can be inflexible in terms of maintenance and repair, with complex and time-consuming disassembly and installation processes. This is disadvantageous for logistics and warehousing environments, where rapid recovery is crucial. Therefore, it is necessary to design a new pulley mounting structure for high-position stackers to improve the connection strength between the pulley and the rail, ensure stable movement, and simplify maintenance and repair processes. Summary of the Invention

[0005] The present invention provides a pulley installation structure for a high-position stacker, which solves the problems mentioned in the above background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: A high-position stacker pulley mounting structure includes a mounting tube, the outer surfaces of both ends of the mounting tube are fixedly connected to the stacker, and further includes:

[0007] A pulley assembly is rotatably connected to the outer surface of the middle portion of the mounting tube, wherein the pulley assembly is in extrusion contact with the slide rail, and the pulley assembly drives the stacker to move along the slide rail through the mounting tube, and is driven to rotate by a motor;

[0008] A limiting mechanism, wherein the limiting mechanism is movably mounted inside the mounting tube and limits the movement of the pulley assembly on the mounting tube;

[0009] The pulley assembly includes a plug-in ring, three of which are provided on the outer surface of the mounting tube, and the three plug-in rings are rotatably sleeved on the outer surface of the mounting tube at a fixed interval. The outer surface of the plug-in ring is fixedly connected to a connecting plate, and the inner surface of the plug-in ring is rotatably connected to a roller, wherein a plurality of rollers are provided at fixed intervals around the central axis of the plug-in ring, and the connecting plates are provided in a group of six at fixed intervals around the central axis of the plug-in ring. A fixing hole is opened through the connecting plate, and a connecting rod is fixedly inserted in the fixing hole by a bolt, and a movable ring is fixedly connected to the end of the connecting plate away from the plug-in ring, and the cross-section of the movable ring is set to be U-shaped.

[0010] Preferably, a disconnecting groove is provided through the outer surface of the movable ring, wherein six disconnecting grooves are provided at fixed intervals along the central axis of the movable ring, and an elastic groove is provided on the inner surface of the movable ring, wherein the elastic groove is arranged in an arc shape.

[0011] Preferably, an elastic plate is fixedly connected in the elastic groove, the cross-section of the elastic plate is set to be S-shaped, and the end of the elastic plate away from the elastic groove is fixedly connected to a plug-in strip, the plug-in strip is set to be arc-shaped, wherein the end of the plug-in strip away from the elastic plate initially protrudes from the inner surface of the movable ring.

[0012] Preferably, a stabilizing plate is fixedly connected to the outer surface of the plug-in strip, the cross section of the stabilizing plate is set to be U-shaped, the stabilizing plate is set to be arc-shaped as a whole, and there is a gap between the stabilizing plate and the movable ring initially.

[0013] Preferably, an extrusion plate is symmetrically fixedly connected to the middle outer surface of the stabilizing plate, and the cross-section of the extrusion plate is arc-shaped, wherein the extrusion plate is made of rubber material, and the outer ends of the extrusion plate pass through the stabilizing plate and are fixedly connected to the inner surfaces on both sides of the movable ring.

[0014] Preferably, the inner surface of the extrusion plate is fixedly connected with a reinforcement sheet, and the reinforcement sheet is set as an elastic metal sheet. The inner surface of the reinforcement sheet is fixedly connected with an extrusion bag, and the extrusion bag is set in a strip shape. The outer surface of the extrusion bag away from the reinforcement sheet is fixedly connected to the outer surfaces on both sides of the stabilizing sheet. If it is necessary to install this structure, this structure can be fixedly installed on the top of the stacker, and then the three moving rings are placed on the slide rail so that the bottom inner surface of the moving ring contacts the slide rail, and then the pull rope driven by the motor is fitted to the top inner surface of the moving ring to complete the installation of this structure. When the traveling motor at the bottom of the stacker is working, it will drive the pulley assembly to start rotating along the mounting tube through the pull rope, so that the pulley assembly moves on the slide rail and drives the stacker to move.

[0015] Preferably, the limiting mechanism includes a plug-in rod, one end of which is slidably plugged into the inner surface of the mounting tube, the other end of which is fixedly connected to a plug-in seat, the plug-in seat and the mounting tube are plugged into each other, and the outer surface of the plug-in rod is slidably connected to a ring.

[0016] Preferably, the interior of the collar is configured to be hollow, and a fixing plate is fixedly connected to the outer surface of the collar, and one end of the fixing plate away from the collar is fixedly connected to the inner surface of the mounting tube, wherein three fixing plates are arranged at fixed intervals around the central axis of the collar, and a telescopic rod is also fixedly connected through the outer surface of the collar, and three telescopic rods are arranged at fixed intervals around the central axis of the collar, and the outer end of the telescopic rod is fixedly connected to a plug-in block.

[0017] Preferably, the outer surface of the mounting tube is provided with a plug-in groove, the plug-in block is slidably plugged into the plug-in groove, the inner surface of the plug-in ring is provided with a card groove, the card groove is arranged in a ring shape, the outer end of the plug-in block is arranged in the card groove through the plug-in groove, the outer surface of the plug-in rod is fixedly connected with an extrusion ring, the end surface of the extrusion ring close to the collar is fixedly connected with a bellows, the end of the bellows away from the extrusion ring is fixedly connected to the outer surface of the collar, wherein the internal cavity of the bellows is communicated with the internal cavity of the collar, by arranging a movable ring, the connection strength between the pulley assembly and the slide rail can be greatly improved, and the pulley assembly can be greatly reduced The possibility of derailment occurs. At the same time, when the pulley assembly is installed, it can be inserted into the outer surface of the mounting tube through the plug-in ring, and then the plug-in seat is pushed into the interior of the mounting tube, that is, the plug-in rod is driven to move into the mounting tube through the plug-in seat, thereby driving the extrusion ring to move toward one side of the sleeve, and then the bellows between the extrusion ring and the sleeve is squeezed, thereby increasing the internal air pressure of the bellows, and transmitting the internal air pressure to the sleeve, and entering the telescopic rod through the sleeve, prompting the telescopic rod to expand outward, thereby pushing the plug-in block to move to the outside of the plug-in slot, and finally entering the card slot, thereby completing the limit of the plug-in ring.

[0018] The present invention provides a pulley mounting structure for a high-position stacker, which has the following beneficial effects:

[0019] 1. In the pulley installation structure of the high-position stacker, when the pull rope drives the pulley assembly to rotate, it will continuously and uniformly squeeze multiple stabilizing plates, thereby prompting the stabilizing plates to approach the inner surface of the moving ring through the elastic action of the plug-in strip and the elastic plate. Since the outer surface of the stabilizing plate is connected to the extrusion plate, and the extrusion plate is supported by a rubber material, the pull rope will continuously generate an extrusion force with the extrusion plate, forcing the extrusion plate to be concave toward one side of the stabilizing plate. At the same time, the elastic action brought by the elastic plate creates an elastic extrusion force between the extrusion plate and the pull rope, and the strong friction between the pull rope and the rubber material increases the friction resistance between the pull rope and the moving ring, thereby greatly improving the friction resistance between the pulley assembly and the pull rope, thereby greatly reducing the possibility of relative sliding between the pull rope and the pulley assembly, and avoiding the problem that the pulley of the current stacker often slides relative to the pull rope when moving, resulting in unstable movement.

[0020] 2. The pulley mounting structure of the high-position stacker has a reinforcing sheet fixedly connected to the inner surface of the extrusion plate, and an extrusion bag fixedly connected to the inner surface of the reinforcing sheet, that is, the reinforcing sheet can ensure that the extrusion plate always recesses inward when squeezed by the pull rope, thereby preventing the extrusion plate from folding after being squeezed by the pull rope and reducing the structural safety of the extrusion plate, thereby greatly improving the durability of the extrusion plate. At the same time, when the pull rope contacts the extrusion plate, it contacts from one end of the extrusion plate until it moves to the other end. Then, when the pull rope just contacts the extrusion plate, it will start to squeeze the extrusion bag. As the moving ring moves, the air pressure at the other end of the extrusion bag continues to increase, thereby expanding outward, thereby making the extrusion plate always maintain a convex state, which not only greatly improves the service life of the extrusion plate, but also makes the pull rope always maintain a strong extrusion state with the extrusion plate when it is squeezed and moved on the moving plate, further reducing the possibility of relative sliding between the pull rope and the pulley assembly, thereby greatly improving the working stability of this structure.

[0021] 3. The pulley mounting structure of the high-position stacker crane forms an integral whole between the pulley block assembly and the mounting tube, thereby greatly improving the working stability of the structure. The pulley block assembly can be disconnected from the mounting tube by pulling the connector outward, making it easy to remove the pulley block assembly for maintenance, greatly improving the operational flexibility of the structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a front view of the present invention;

[0023] Figure 2 Schematic diagram of the installation structure of the pulley assembly of the present invention;

[0024] Figure 3 It is a schematic diagram of the partial structural disassembly of the pulley assembly of the present invention;

[0025] Figure 4It is a structural schematic diagram of the card slot of the present invention;

[0026] Figure 5 It is a schematic structural diagram of the extruded plate of the present invention;

[0027] Figure 6 It is a structural schematic diagram of the limiting mechanism of the present invention;

[0028] Figure 7 It is a schematic structural diagram of the bellows of the present invention;

[0029] Figure 8 It is a schematic diagram of the installation structure of the telescopic rod of the present invention.

[0030] In the figure: 1. Mounting tube; 2. Pulley assembly; 21. Connecting ring; 22. Connecting plate; 23. Roller; 24. Fixing hole; 25. Connecting rod; 26. Moving ring; 27. Disconnecting groove; 28. Elastic groove; 29. ​​Elastic plate; 210. Connecting strip; 211. Stabilizing plate; 212. Extrusion plate; 213. Reinforcement plate; 214. Extrusion bag; 3. Limiting mechanism; 31. Connecting rod; 32. Connecting seat; 33. Sleeve ring; 34. Fixing plate; 35. Telescopic rod; 36. Connecting block; 37. Connecting groove; 38. Card slot; 39. Extrusion ring; 310. Bellows. DETAILED DESCRIPTION

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0032] First embodiment: Figures 1 to 8 As shown, the present invention provides a technical solution: a high-position stacker pulley mounting structure, comprising a mounting tube 1, the outer surfaces of both ends of the mounting tube 1 are fixedly connected to the stacker, and further comprising:

[0033] The pulley assembly 2 is rotatably connected to the outer surface of the middle portion of the mounting tube 1, wherein the pulley assembly 2 is in extrusion contact with the slide rail. The pulley assembly 2 drives the stacker to move along the slide rail through the mounting tube 1, and is driven to rotate by a motor;

[0034] The limiting mechanism 3 is movably mounted inside the mounting tube 1 and limits the movement of the pulley assembly 2 on the mounting tube 1;

[0035] The pulley assembly 2 includes a plug-in ring 21, three of which are provided on the outer surface of the mounting tube 1, and the three plug-in rings 21 are rotatably sleeved on the outer surface of the mounting tube 1 at a fixed interval, and the outer surface of the plug-in ring 21 is fixedly connected to a connecting plate 22, and the inner surface of the plug-in ring 21 is rotatably connected to a roller 23, wherein a plurality of rollers 23 are provided at fixed intervals around the central axis of the plug-in ring 21, and the connecting plates 22 are provided in a group of six at fixed intervals around the central axis of the plug-in ring 21, and a fixing hole 24 is opened through the connecting plate 22, and a connecting rod 25 is fixedly inserted in the fixing hole 24 by bolts, and a movable ring 26 is fixedly connected to the end of the connecting plate 22 away from the plug-in ring 21, and the cross-section of the movable ring 26 is set to be U-shaped.

[0036] The outer surface of the movable ring 26 is provided with disconnection grooves 27 , wherein six disconnection grooves 27 are provided at fixed intervals along the central axis of the movable ring 26 . The inner surface of the movable ring 26 is provided with elastic grooves 28 , wherein the elastic grooves 28 are arranged in an arc shape.

[0037] An elastic plate 29 is fixedly connected to the elastic groove 28, and the cross-section of the elastic plate 29 is set to be S-shaped. The end of the elastic plate 29 away from the elastic groove 28 is fixedly connected to a plug-in strip 210, and the plug-in strip 210 is set to be arc-shaped, wherein the end of the plug-in strip 210 away from the elastic plate 29 initially protrudes from the inner surface of the movable ring 26.

[0038] A stabilizing piece 211 is fixedly connected to the outer surface of the plug-in strip 210 . The cross section of the stabilizing piece 211 is set to be U-shaped. The stabilizing piece 211 is set to be arc-shaped as a whole, and there is a gap between the stabilizing piece 211 and the movable ring 26 initially.

[0039] The middle outer surface of the stabilizing plate 211 is symmetrically fixedly connected with an extrusion plate 212. The cross-section of the extrusion plate 212 is arc-shaped. The extrusion plate 212 is made of rubber material. The outer ends of the extrusion plate 212 pass through the stabilizing plate 211 and are fixedly connected to the inner surfaces on both sides of the movable ring 26.

[0040] The inner surface of the extrusion plate 212 is fixedly connected to a reinforcing sheet 213, which is set as an elastic metal sheet. The inner surface of the reinforcing sheet 213 is fixedly connected to an extrusion bag 214, which is set in a strip shape. The outer surface of the extrusion bag 214 away from the reinforcing sheet 213 is fixedly connected to the outer surfaces on both sides of the stabilizing sheet 211.

[0041] During operation, if the structure needs to be installed, the structure can be fixed to the top of the stacker, and then the three moving rings 26 are placed on the slide rail so that the bottom inner surface of the moving ring 26 contacts the slide rail, and then the pull rope driven by the motor is fitted to the top inner surface of the moving ring 26 to complete the installation of the structure. When the travel motor at the bottom of the stacker works, it will drive the pulley assembly 2 to rotate along the installation tube 1 through the pull rope, so that the pulley assembly 2 moves on the slide rail and drives the stacker to move. When the pull rope drives the pulley assembly 2 to rotate, it will continuously and uniformly squeeze the multiple stabilizing plates 211, thereby prompting The stabilizing plate 211 is moved closer to the inner surface of the movable ring 26 by the elastic force of the plug strip 210 and the elastic plate 29. Since the outer surface of the stabilizing plate 211 is connected to the extrusion plate 212, and the extrusion plate 212 is supported by a rubber material, the pull rope will continuously generate an extrusion force with the extrusion plate 212, forcing the extrusion plate 212 to be recessed toward the side of the stabilizing plate 211. At the same time, the elastic force brought by the elastic plate 29 causes an elastic extrusion force to exist between the extrusion plate 212 and the pull rope. The strong friction between the pull rope and the rubber material increases the friction resistance between the pull rope and the movable ring 26, thereby greatly reducing the friction resistance between the pulley assembly 2 and the pull rope. The earth is greatly improved, thereby greatly reducing the possibility of relative sliding between the pull rope and the pulley assembly 2, avoiding the problem of relative sliding between the pulley of the current stacker and the pull rope during movement, resulting in unstable movement. At the same time, since the inner surface of the extrusion plate 212 is fixedly connected with the reinforcement sheet 213, and the inner surface of the reinforcement sheet 213 is fixedly connected with the extrusion bag 214, the reinforcement sheet 213 can be used to ensure that the extrusion plate 212 is always concave inward when squeezed by the pull rope, avoiding the extrusion plate 212 from folding after being squeezed by the pull rope, reducing the structural safety of the extrusion plate 212, thereby greatly improving the durability of the extrusion plate 212, and at the same time, the pull rope and the extrusion plate When contacting 212, it starts from one end of the extrusion plate 212 and moves to the other end. Then, when the pull rope just contacts the extrusion plate 212, it will start to squeeze the extrusion bag 214. As the moving ring 26 moves, the air pressure at the other end of the extrusion bag 214 continues to increase, thereby expanding outward, so that the extrusion plate 212 always remains in a convex state, which not only greatly improves the service life of the extrusion plate 212, but also ensures that the pull rope always maintains a strong extrusion state with the extrusion plate 212 when it is extruded and moved on the moving plate, further reducing the possibility of relative sliding between the pull rope and the pulley assembly 2, thereby greatly improving the working stability of this structure.

[0042] Second embodiment: Figures 1 to 8 As shown, the limiting mechanism 3 includes a plug-in rod 31, one end of which is slidably plugged into the inner surface of the mounting tube 1, and the other end of the plug-in rod 31 is fixedly connected to a plug-in seat 32, the plug-in seat 32 and the mounting tube 1 are plugged into each other, and the outer surface of the plug-in rod 31 is slidably connected to a ring 33.

[0043] The interior of the collar 33 is set to be hollow, and a fixing plate 34 is fixedly connected to the outer surface of the collar 33. The end of the fixing plate 34 away from the collar 33 is fixedly connected to the inner surface of the mounting tube 1, wherein three fixing plates 34 are arranged at fixed intervals around the central axis of the collar 33, and a telescopic rod 35 is also fixedly connected to the outer surface of the collar 33. Three telescopic rods 35 are arranged at fixed intervals around the central axis of the collar 33, and the outer end of the telescopic rod 35 is fixedly connected to a plug-in block 36.

[0044] A plug-in groove 37 is provided on the outer surface of the mounting tube 1, and the plug-in block 36 is slidably plugged into the plug-in groove 37. A card groove 38 is provided on the inner surface of the plug-in ring 21, and the card groove 38 is arranged in a ring shape. The outer end of the plug-in block 36 is arranged in the card groove 38 through the plug-in groove 37. The outer surface of the plug-in rod 31 is fixedly connected with an extrusion ring 39, and the end surface of the extrusion ring 39 close to the ring 33 is fixedly connected with a bellows 310, and the end of the bellows 310 away from the extrusion ring 39 is fixedly connected to the outer surface of the ring 33, wherein the internal cavity of the bellows 310 is connected to the internal cavity of the ring 33.

[0045] During operation, by setting the moving ring 26, the connection strength between the pulley block assembly 2 and the slide rail can be greatly improved, and the possibility of the pulley block assembly 2 being derailed can be greatly reduced. At the same time, when the pulley block assembly 2 is installed, it can be inserted into the outer surface of the installation tube 1 through the plug ring 21, and then the plug seat 32 is pushed into the inside of the installation tube 1, that is, the plug rod 31 is driven to move into the installation tube 1 through the plug seat 32, thereby driving the extrusion ring 39 to move toward the side of the ring 33, thereby causing the bellows 310 between the extrusion ring 39 and the ring 33 to be squeezed, thereby causing the internal air pressure of the bellows 310 to be increased. The cam 33 is lifted up and the air pressure inside is delivered to the ring 33, and the ring 33 enters the telescopic rod 35, causing the telescopic rod 35 to expand outward, thereby pushing the plug block 36 to move to the outside of the plug slot 37 and finally enter the card slot 38, thereby completing the limiting of the plug ring 21, so that the pulley block assembly 2 and the mounting tube 1 form a whole, thereby greatly improving the working stability of the present structure, and pulling the plug seat 32 outward can make the pulley block assembly 2 disconnected from the mounting tube 1 again, thereby facilitating the removal of the pulley block assembly 2 for maintenance, which greatly improves the operational flexibility of the present structure.

[0046] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "including an element defined by..." does not exclude the presence of other identical elements in the process, method, article or device that includes the element."

Claims

1. A pulley mounting structure for a high-position stacker, comprising a mounting tube (1), characterized in that: The outer surfaces of both ends of the mounting tube (1) are fixedly connected to the stacker, and further include: A pulley assembly (2), wherein the pulley assembly (2) is rotatably connected to the outer surface of the middle portion of the mounting tube (1), wherein the pulley assembly (2) is in extrusion contact with the slide rail, and the pulley assembly (2) drives the stacker to move along the slide rail through the mounting tube (1), and is driven to rotate by a motor; A limiting mechanism (3), wherein the limiting mechanism (3) is movably mounted inside the mounting tube (1), and the limiting mechanism (3) limits the movement of the pulley assembly (2) on the mounting tube (1); The pulley assembly (2) includes a plug-in ring (21), three of which are provided on the outer surface of the mounting tube (1), and the three plug-in rings (21) are rotatably sleeved on the outer surface of the mounting tube (1) at a fixed interval. The outer surface of the plug-in ring (21) is fixedly connected to a connecting plate (22), and the inner surface of the plug-in ring (21) is rotatably connected to a roller (23), wherein a plurality of rollers (23) are provided at fixed intervals around the central axis of the plug-in ring (21), and the connecting plates (22) are provided in groups of six at fixed intervals around the central axis of the plug-in ring (21). A fixing hole (24) is provided through the connecting plate (22), and a connecting rod (25) is fixedly inserted into the fixing hole (24) by a bolt. The end of the connecting plate (22) away from the plug-in ring (21) is fixedly connected to a moving ring (26), and the cross section of the moving ring (26) is set to be U-shaped.

2. The pulley mounting structure for a high-position stacker according to claim 1, characterized in that: The outer surface of the movable ring (26) is provided with a disconnecting groove (27), wherein six disconnecting grooves (27) are provided at fixed intervals along the central axis of the movable ring (26); the inner surface of the movable ring (26) is provided with an elastic groove (28), wherein the elastic groove (28) is arranged in an arc shape.

3. The pulley mounting structure for a high-position stacker according to claim 2, characterized in that: An elastic plate (29) is fixedly connected to the elastic groove (28), and the cross section of the elastic plate (29) is set to be S-shaped. An end of the elastic plate (29) away from the elastic groove (28) is fixedly connected to a plug-in strip (210), and the plug-in strip (210) is set to be arc-shaped, wherein the end of the plug-in strip (210) away from the elastic plate (29) initially protrudes from the inner surface of the moving ring (26).

4. The pulley mounting structure for a high-position stacker according to claim 3, characterized in that: A stabilizing plate (211) is fixedly connected to the outer surface of the plug-in strip (210), the cross section of the stabilizing plate (211) is set to be U-shaped, the stabilizing plate (211) is set to be arc-shaped as a whole, and there is a gap between the stabilizing plate (211) and the movable ring (26) initially.

5. The pulley mounting structure for a high-position stacker according to claim 4, characterized in that: An extrusion plate (212) is symmetrically fixedly connected to the outer surface of the middle portion of the stabilizing plate (211), wherein the cross section of the extrusion plate (212) is arranged in an arc shape, wherein the extrusion plate (212) is made of a rubber material, and the outer ends of the extrusion plate (212) pass through the stabilizing plate (211) and are fixedly connected to the inner surfaces of both sides of the moving ring (26).

6. The pulley mounting structure for a high-position stacker according to claim 5, characterized in that: The inner surface of the extrusion plate (212) is fixedly connected to a reinforcement sheet (213), the reinforcement sheet (213) being configured as an elastic metal sheet, the inner surface of the reinforcement sheet (213) is fixedly connected to an extrusion bag (214), the extrusion bag (214) being configured as a strip, and the outer surface of the extrusion bag (214) on a side away from the reinforcement sheet (213) is fixedly connected to the outer surfaces of both sides of the stabilizing sheet (211).

7. The pulley mounting structure for a high-position stacker according to claim 6, characterized in that: The limiting mechanism (3) comprises a plug-in rod (31), one end of which is slidably plugged into the inner surface of the mounting tube (1), the other end of which is fixedly connected to a plug-in seat (32), the plug-in seat (32) and the mounting tube (1) being plugged into each other, and a collar (33) being slidably connected to the outer surface of the plug-in rod (31).

8. The pulley mounting structure for a high-position stacker according to claim 7, characterized in that: The interior of the collar (33) is set to be hollow, and the outer surface of the collar (33) is fixedly connected to a fixing plate (34), and one end of the fixing plate (34) away from the collar (33) is fixedly connected to the inner surface of the mounting tube (1), wherein three fixing plates (34) are arranged at fixed intervals around the central axis of the collar (33), and the outer surface of the collar (33) is also fixedly connected to a telescopic rod (35), and three telescopic rods (35) are arranged at fixed intervals around the central axis of the collar (33), and the outer end of the telescopic rod (35) is fixedly connected to a plug-in block (36).

9. The pulley mounting structure for a high-position stacker according to claim 8, characterized in that: The outer surface of the mounting tube (1) is provided with a plug-in groove (37), the plug-in block (36) is slidably plugged into the plug-in groove (37), the inner surface of the plug-in ring (21) is provided with a card slot (38), the card slot (38) is arranged in a ring shape, the outer end of the plug-in block (36) is arranged in the card slot (38) through the plug-in groove (37), the outer surface of the plug-in rod (31) is fixedly connected with an extrusion ring (39), the end surface of the extrusion ring (39) close to the ring (33) is fixedly connected with a bellows (310), the end of the bellows (310) away from the extrusion ring (39) is fixedly connected to the outer surface of the ring (33), wherein the internal cavity of the bellows (310) is communicated with the internal cavity of the ring (33).

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