Self-locking adjusting multi-stage buffering assembly type wall transportation protection device

Abstract

The invention belongs to the technical field of assembly type wall transportation, and discloses a self-locking adjusting multi-stage buffering assembly type wall transportation protection device which comprises a bottom frame, two storage racks and two multi-stage buffering mechanisms. The two storage racks are hinged to the two sides of the bottom frame correspondingly, and the two multi-stage buffer mechanisms are arranged on the bottom frame and can be hinged to the storage racks; the multi-stage buffering mechanism comprises a movable cylinder, the movable cylinder is movably installed on the bottom frame, oil liquid is contained in the movable cylinder, and the two sides of the upper portion of the movable cylinder are fixedly communicated with oil cylinders containing the oil liquid. Due to the fact that the section area of the oil outlet pipe is designed to be small, the damping effect on movement of the piston rod can be achieved, vibration generated by a small bumpy road section is buffered, it is avoided that vibration is fed back and conducted to the fabricated wall, meanwhile, stress generated by vibration can be eliminated, the fabricated wall is prevented from being damaged by bumpy in the transportation process, and the service life of the fabricated wall is prolonged. And a good protection effect is achieved on the fabricated wall body.

Description

Technical Field

[0001] The present invention belongs to the technical field of prefabricated wall transportation, and specifically relates to a self-locking adjustable multi-stage buffer prefabricated wall transportation protection device. Background Technique

[0002] During the transportation of prefabricated walls, the prefabricated walls are tied to the tripod on the transportation device through ropes. Although this method can facilitate subsequent hoisting operations and the tripod has strong stability, due to the fact that the tripod usually adopts a fixed hard connection method, during transportation, if it encounters a bumpy road section, it is extremely easy for its vibration feedback to be transmitted to the prefabricated wall through the transportation device and the tripod, thereby easily causing the ropes tying the prefabricated wall to become loose and collide with the tripod, resulting in damage. If the ropes do not become loose, the stress generated by the vibration, due to being unable to be released, will directly act on the prefabricated wall, which will also cause damage to the prefabricated wall.

[0003] Therefore, a self-locking adjustable multi-stage buffer prefabricated wall transportation protection device is proposed to solve the above problems. Summary of the Invention

[0004] To solve the problems raised in the above background technique, the present invention provides a self-locking adjustable multi-stage buffer prefabricated wall transportation protection device.

[0005] To achieve the above object, the present invention provides the following technical solution: A self-locking adjustable multi-stage buffer prefabricated wall transportation protection device, including a chassis, two storage racks, and two multi-stage buffer mechanisms; The two storage racks are respectively hinged on both sides of the chassis, and the two multi-stage buffer mechanisms are both arranged on the chassis and can be hinged with the storage racks; The multi-stage buffer mechanism includes a movable cylinder, the movable cylinder is movably installed on the chassis, the movable cylinder is filled with oil, both sides above the movable cylinder are fixedly communicated with oil cylinders filled with oil, a piston rod is sleeved inside the oil cylinder, the other end of the piston rod can be hinged with the storage rack, a disc is fixedly sleeved above the piston rod, a buffer spring is connected between the disc and the oil cylinder and is located outside the piston rod, the top of the center of the buffer spring is fixedly communicated with a fixed cylinder, both sides of the fixed cylinder are communicated with a communication pipe, the other end of the communication pipe is communicated with a fixed pipe installed on the oil cylinder, the fixed pipe can be communicated with the oil cylinder, an oil outlet pipe is communicated inside the fixed cylinder, and a group of circumferentially arranged oil outlet holes are opened outside the oil outlet pipe.

[0006] Preferably, a fixed ring is fixedly sleeved below the inside of the oil cylinder, a movable ring is movably sleeved in the center of the inside of the oil cylinder, and a first spring is connected between the movable ring and the fixed ring.

[0007] Preferably, a first connecting rod is connected inside the movable ring. A spring telescopic rod is connected to the bottom of the first connecting rod. A pressure sensing element is installed below the interior of the movable cylinder. The output end of the spring telescopic rod is close to the pressure sensing element.

[0008] Preferably, a sealing circular sleeve is movably sleeved outside the oil outlet pipe. A movable frame is movably sleeved on the oil outlet pipe. One end of the movable frame can be connected to the sealing circular sleeve. A second connecting rod is fixedly installed inside the movable frame. A round rod is connected to the bottom of the second connecting rod. The outer part of the output end of the spring telescopic rod is fixedly sleeved with a fixed rod located inside the movable cylinder. The other end of the round rod can be connected to the fixed rod.

[0009] Preferably, a self-locking mechanism is further included. The self-locking mechanism is arranged on the storage rack. The self-locking mechanism includes two fixed frames. The two fixed frames are respectively installed on both sides of the storage rack. A rotating frame is rotatably installed on the fixed frame. One side of the rotating frame can be blocked by the fixed frame. The other side of the rotating frame is connected with a connecting frame.

[0010] Preferably, a cylinder is movably sleeved on the connecting frame. The center of the inner side of the storage rack is connected with a mounting frame. A guide wheel is rotatably installed inside the mounting frame. An installation block is connected to the inner side of the mounting frame. A tightening rope is connected to the outside of the cylinder. The other end of the tightening rope passes through the guide wheel and extends into the installation block.

[0011] Preferably, limiting rods are connected to both the upper and lower parts inside the installation block. A moving block is slidably sleeved on the limiting rods. A tightening rope located outside the limiting rods is connected between the moving block and the inner wall of the installation block. The other end of the tightening rope can be connected to the moving block.

[0012] Preferably, an electromagnetic element is installed inside the installation block. A magnetic block is connected to the side of the moving block facing the electromagnetic element.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: By arranging the movable cylinder, the oil outlet pipe and the oil outlet hole, when encountering a relatively small bumpy section during transportation, the generated vibration will be transmitted to the storage rack, causing the storage rack to rotate along the axis hinged to the bottom rack. During the rotation of the storage rack, the disc will be pressed into the oil cylinder, compressing the buffer spring, pushing the oil in the oil cylinder and the movable cylinder, entering the fixed cylinder through the oil outlet pipe and the oil outlet hole, and enabling the oil in the fixed cylinder to enter the upper area of the piston rod in the oil cylinder through the communication pipe and the fixed pipe. Since the cross-sectional area of the oil outlet pipe is designed to be relatively small, it can play a damping effect on the movement of the piston rod and buffer the vibration generated by the relatively small bumpy section, preventing the vibration feedback from being transmitted to the prefabricated wall, and at the same time, it can eliminate the stress generated by the vibration, prevent the prefabricated wall from being damaged by bumps during transportation, and play a good protective effect on the prefabricated wall.

[0014] By arranging a movable ring and a sealing sleeve, when the shelving encounters a bumpy section during transportation, the rotation stroke of the shelving will increase, extending the telescopic stroke of the piston rod. When the piston rod descends and pushes against the movable ring, the first spring is compressed, pushing the first connecting rod and the spring telescopic rod downward. The movement of the spring telescopic rod will drive the movable frame to descend through the fixed rod, the round rod, and the second connecting rod. As the movable frame descends, it drives the sealing sleeve to close the oil outlet hole, thereby reducing the cross-sectional area of the oil outlet pipe, increasing the damping performance during the piston rod's pushing process, further improving the buffering effect, and achieving autonomous adjustment of the buffering level according to the magnitude of the bumps. Due to the multi-stage buffering effect design of this device, it can avoid the phenomenon of the piston rod bottoming out caused by a small damping effect of the oil cylinder with large bumps, and can also avoid the phenomenon of insufficient filtering of fine vibrations and enhanced transmission feeling caused by a large damping effect of the oil cylinder with small bumps, further improving the protection performance of this device for the prefabricated wall.

[0015] By arranging a rotating frame, a connecting frame, and a tightening rope, when the shelving encounters a bumpy section during transportation, the movable ring, the first connecting rod, and the spring telescopic rod are pushed downward by the piston rod, causing the output end of the spring telescopic rod to abut against the pressure sensing element. At this time, the sealing sleeve has completely closed the oil outlet hole, and it can be determined that a bumpy section has been encountered. Under the elastic force of the spring telescopic rod during contraction, the pressure sensing element is triggered by the force, enabling the control end to activate the electromagnetic element. At this time, the electromagnetic element will generate a magnetic attraction force on the magnetic block, causing the moving block and the tightening rope to be subjected to a pulling force. Under the pulling force of the tightening rope, the connecting frame and the rotating frame are driven to rotate along the axis hinged to the fixed frame through the cylinder, and under the action of the rotational force, the tying rope of the rotating frame is further tightened, so that the rope tying the prefabricated wall can be automatically further locked when encountering a bumpy section, thereby avoiding accidental movement of the prefabricated wall on the shelving due to a large rotation amplitude of the shelving, and further protecting the prefabricated wall. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of the present invention; Figure 2 is a schematic structural diagram of the multi-stage buffering mechanism of the present invention; Figure 3 is a schematic cross-sectional structural diagram of the oil cylinder of the present invention; Figure 4 is Figure 3 a partial enlarged structural diagram at A in Figure 5 is Figure 3 a partial enlarged structural diagram at B in Figure 6 is a schematic structural diagram of the fixed frame of the present invention; Figure 7 is Figure 6 a schematic diagram of a partially enlarged structure at position C in Figure 8 a schematic cross-sectional structure diagram of the mounting frame of the present invention; Figure 9 is Figure 8 a schematic diagram of a partially enlarged structure at position D in Figure 10 is Figure 8 a schematic diagram of a partially enlarged structure at position E in Figure 11 a schematic cross-sectional structure diagram of the mounting block of the present invention; Figure 12 is Figure 11 a schematic diagram of a partially enlarged structure at position F in

[0017] In the figure: 1, chassis; 2, storage rack; 3, multi-stage buffer mechanism; 31, movable cylinder; 32, oil cylinder; 33, piston rod; 34, disc; 35, buffer spring; 36, fixed cylinder; 37, connecting pipe; 38, fixed pipe; 39, oil outlet pipe; 310, pressure sensing element; 311, oil outlet hole; 312, fixed ring; 313, spring one; 314, movable ring; 315, connecting rod one; 316, spring telescopic rod; 317, fixed rod; 318, sealing circular sleeve; 319, movable frame; 320, connecting rod two; 321, round rod; 4, self-locking mechanism; 41, fixed frame; 42, rotating frame; 43, connecting frame; 44, cylinder; 45, mounting frame; 46, guide wheel; 47, mounting block; 48, limiting rod; 49, moving block; 410, tightening rope; 411, magnetic block; 412, electromagnetic element. Detailed implementation manners

[0018] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0019] As Figures 1 to 12 shown, the present invention provides a self-locking adjustable multi-stage buffer assembled wall transportation protection device, including a chassis 1, two storage racks 2 and two multi-stage buffer mechanisms 3; The two storage racks 2 are respectively hinged on both sides of the chassis 1, and the two multi-stage buffer mechanisms 3 are both arranged on the chassis 1 and can be hinged to the storage racks 2; The multi-stage buffer mechanism 3 includes a movable cylinder 31, which is movably installed on the chassis 1. The movable cylinder 31 is filled with oil. On both sides above the movable cylinder 31, there are fixedly connected oil cylinders 32 filled with oil. A piston rod 33 is sleeved inside the oil cylinder 32. The other end of the piston rod 33 can be hinged to the storage rack 2. Above the outside of the piston rod 33, there is a fixedly sleeved disc 34. Between the disc 34 and the oil cylinder 32, there is a buffer spring 35 located outside the piston rod 33. At the top of the center of the buffer spring 35, there is a fixedly connected fixed cylinder 36. On both sides of the fixed cylinder 36, there is a communicating pipe 37 connected. The other end of the communicating pipe 37 is connected to a fixed pipe 38 installed on the oil cylinder 32, and the fixed pipe 38 can communicate with the oil cylinder 32. Inside the fixed cylinder 36, there is an oil outlet pipe 39, and a set of circumferentially arranged oil outlet holes 311 are opened on the outside of the oil outlet pipe 39.

[0020] Adopting the above solution: When encountering a bumpy road section during transportation, the vibration generated will be transmitted to the storage rack 2, causing the storage rack 2 to rotate along the axis hinged to the chassis 1. During the rotation of the storage rack 2, the disc 34 will be pressed into the oil cylinder 32, compressing the buffer spring 35, pushing the oil in the oil cylinder 32 and the movable cylinder 31, entering the fixed cylinder 36 through the oil outlet pipe 39 and the oil outlet holes 311, and making the oil in the fixed cylinder 36 enter the upper area of the piston rod 33 in the oil cylinder 32 through the communicating pipe 37 and the fixed pipe 38. Since the cross-sectional area of the oil outlet pipe 39 is designed to be small, it can play a damping effect on the movement of the piston rod 33 and buffer the vibration generated by a small bumpy road section, avoiding the transmission of vibration feedback to the prefabricated wall.

[0021] As Figure 4 shown, a fixed ring 312 is fixedly sleeved inside the lower part of the oil cylinder 32, and a movable ring 314 is movably sleeved in the center of the oil cylinder 32. A first spring 313 is connected between the movable ring 314 and the fixed ring 312.

[0022] Adopting the above solution: When encountering a bumpy road section during transportation, the rotation stroke of the storage rack 2 increases, extending the telescopic stroke of the piston rod 33. When the piston rod 33 descends and pushes against the movable ring 314, the first spring 313 is compressed, so it can be determined that a large bump has been encountered during transportation. The elastic recovery of the first spring 313 can assist the subsequent reset of the movable ring 314.

[0023] As Figure 4 shown, a first connecting rod 315 is connected inside the movable ring 314. The bottom of the first connecting rod 315 is connected to a spring telescopic rod 316. A pressure sensing element 310 is installed inside the lower part of the movable cylinder 31, and the output end of the spring telescopic rod 316 is close to the pressure sensing element 310.

[0024] Adopting the above scheme: When encountering a large bumpy section during transportation, the movable ring 314, the first connecting rod 315, and the spring telescopic rod 316 are pushed downward by the piston rod 33, so that the output end of the spring telescopic rod 316 abuts against the pressure sensing element 310, and it can be determined that a large bumpy section is encountered. At the same time, under the elastic force when the spring telescopic rod 316 contracts, the pressure sensing element 310 is triggered by the force.

[0025] As Figures 3 to 5 shown, a sealing round sleeve 318 is movably sleeved outside the oil outlet pipe 39, a movable frame 319 is movably sleeved on the oil outlet pipe 39, one end of the movable frame 319 can be connected to the sealing round sleeve 318, a second connecting rod 320 is fixedly installed in the movable frame 319, a round rod 321 is connected to the bottom of the second connecting rod 320, and a fixing rod 317 located in the movable cylinder 31 is fixedly sleeved outside the output end of the spring telescopic rod 316, and the other end of the round rod 321 can be connected to the fixing rod 317.

[0026] Adopting the above scheme: Due to the downward movement of the spring telescopic rod 316, the movable frame 319 will be driven to descend through the fixing rod 317, the round rod 321, and the second connecting rod 320. As the movable frame 319 descends, the sealing round sleeve 318 is driven to close the oil outlet hole 311, thereby reducing the cross-sectional area of the oil outlet pipe 39, thereby increasing the damping performance during the pushing process of the piston rod 33 and further improving the buffering effect.

[0027] As Figures 6 to 9 shown, it further includes a self-locking mechanism 4. The self-locking mechanism 4 is arranged on the storage rack 2. The self-locking mechanism 4 includes two fixing frames 41. The two fixing frames 41 are respectively installed on both sides of the storage rack 2. A rotating frame 42 is rotatably installed on the fixing frame 41. One side of the rotating frame 42 can be blocked by the fixing frame 41, and the other side of the rotating frame 42 is connected with a connecting frame 43.

[0028] Adopting the above scheme: The bottom frame 1 will be installed on the transportation device through threaded fasteners. The construction worker places the prefabricated wall on the storage rack 2, and then uses a rope to tie and fasten the wall and the storage rack 2 through the two rotating frames 42.

[0029] As Figures 8 to 12 shown, a cylinder 44 is movably sleeved on the connecting frame 43. The center of the inner side of the storage rack 2 is connected with a mounting frame 45. A guide wheel 46 is rotatably installed in the mounting frame 45. An installation block 47 is connected to the inner side of the mounting frame 45. A tightening rope 410 is connected to the outside of the cylinder 44, and the other end of the tightening rope 410 passes through the guide wheel 46 and extends into the installation block 47.

[0030] Adopting the above scheme: When the tightening rope 410 is subjected to a tensile force, the tightening rope 410 transmits the tensile force to the cylinder 44 and the connecting frame 43 through the guide wheel 46.

[0031] AsFigures 8 to 12 As shown in the figure, limiting rods 48 are connected above and below inside the mounting block 47. A sliding block 49 is sleeved on the limiting rods 48. A tightening rope 410 located outside the limiting rods 48 is connected between the sliding block 49 and the inner wall of the mounting block 47. The other end of the tightening rope 410 can be connected to the sliding block 49.

[0032] With the above scheme: When the sliding block 49 moves along the limiting rod 48 under tension, the tightening rope 410 will be compressed. Due to the elastic recovery of the tightening rope 410, it can assist the sliding block 49 to reset.

[0033] As Figures 8 to 12 shown, an electromagnetic element 412 is installed inside the mounting block 47. A magnetic block 411 is connected to the side of the sliding block 49 facing the electromagnetic element 412.

[0034] With the above scheme: When the pressure sensing element 310 is triggered by force, the control end turns on the electromagnetic element 412. At this time, the electromagnetic element 412 will generate a magnetic attraction force on the magnetic block 411, and the sliding block 49 and the tightening rope 410 can be subjected to a pulling force. Under the pulling force of the tightening rope 410, the connecting frame 43 and the rotating frame 42 are driven to rotate along the axis hinged to the fixed frame 41 through the cylinder 44. Under the action of the rotational force, the binding rope of the rotating frame 42 is further tightened.

[0035] The working principle and usage process of the present invention: The chassis 1 will be installed on the transportation device through threaded fasteners. The construction personnel place the prefabricated wall on the storage rack 2, and then use ropes to tie and fasten the wall and the storage rack 2 through the two rotating frames 42.

[0036] When encountering a small bumpy section during transportation, the vibration generated will be transmitted to the storage rack 2, causing the storage rack 2 to rotate along the axis hinged to the chassis 1. During the rotation of the storage rack 2, the disc 34 will be pressed into the oil cylinder 32, compressing the buffer spring 35, pushing the oil in the oil cylinder 32 and the movable cylinder 31, entering the fixed cylinder 36 through the oil outlet pipe 39 and the oil outlet hole 311, and making the oil in the fixed cylinder 36 enter the upper region of the piston rod 33 in the oil cylinder 32 through the connecting pipe 37 and the fixed pipe 38. Since the cross-sectional area of the oil outlet pipe 39 is small at this time, it can play a damping effect on the movement of the piston rod 33 and buffer the vibration generated by the small bumpy section.

[0037] When encountering a relatively bumpy section during transportation, the rotation stroke of the storage rack 2 will increase, making the telescopic stroke of the piston rod 33 longer. When the piston rod 33 descends and pushes against the movable ring 314, the first spring 313 is compressed and pushes the first connecting rod 315 and the spring telescopic rod 316 downward. The movement of the spring telescopic rod 316 will drive the movable frame 319 to descend through the fixed rod 317, the round rod 321, and the second connecting rod 320. As the movable frame 319 descends, it drives the sealing circular sleeve 318 to close the oil outlet hole 311, thereby reducing the cross-sectional area of the oil outlet pipe 39, increasing the damping performance during the pushing process of the piston rod 33, and further improving the buffering effect.

[0038] Under the action of the elastic force recovery of the buffer spring 35, it will drive the piston rod 33 to rise and reset through the disc 34, and push the storage rack 2 to rotate and reset. During the rising process of the piston rod 33, it will push the oil liquid inside the oil cylinder 32 to enter the fixed cylinder 36 through the fixed pipe 38 and the connecting pipe 37, and make the oil liquid in the fixed cylinder 36 enter the movable cylinder 31 and the oil cylinder 32 through the oil outlet pipe 39 and the oil outlet hole 311, achieving the reset of the oil liquid and damping the reset stroke of the piston rod 33.

[0039] When encountering a relatively bumpy section during transportation, the movable ring 314, the first connecting rod 315, and the spring telescopic rod 316 are pushed downward by the piston rod 33, making the output end of the spring telescopic rod 316 abut against the pressure sensing element 310. At this time, the sealing circular sleeve 318 has completely closed the oil outlet hole 311, and at the same time, it can be determined that a relatively bumpy section is encountered. Under the elastic force of the spring telescopic rod 316 during contraction, the pressure sensing element 310 is triggered by the force, enabling the control end to turn on the electromagnetic element 412. At this time, the electromagnetic element 412 will generate a magnetic attraction force on the magnetic block 411, and the moving block 49 and the tightening rope 410 can be subjected to a pulling force. Under the pulling force of the tightening rope 410, it drives the connecting frame 43 and the rotating frame 42 to rotate along the axis hinged to the fixed frame 41 through the cylinder 44, and under the action of the rotating force, drives the tying rope of the rotating frame 42 to be further tightened, so that the rope for tying the prefabricated wall can be automatically further locked when encountering a relatively bumpy section.

[0040] It should be noted that in this article, relational terms such as first and second 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 term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or also includes elements inherent to this process, method, article or device.

[0041] Although embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. Self-locking adjustable multi-stage buffer assembled wall transportation protection device, characterized in that, It includes a chassis (1), two storage racks (2) and two multi-stage buffer mechanisms (3); The two storage racks (2) are respectively hinged on both sides of the chassis (1), and the two multi-stage buffer mechanisms (3) are both arranged on the chassis (1) and can be hinged to the storage rack (2); The multi-stage buffer mechanism (3) includes a movable cylinder (31), the movable cylinder (31) is movably installed on the chassis (1), the movable cylinder (31) is filled with oil, and both sides above the movable cylinder (31) are fixedly communicated with oil cylinders (32) filled with oil. A piston rod (33) is sleeved inside the oil cylinder (32), and the other end of the piston rod (33) can be hinged to the storage rack (2). A disc (34) is fixedly sleeved above the piston rod (33), and a buffer spring (35) located outside the piston rod (33) is connected between the disc (34) and the oil cylinder (32). The top of the center of the buffer spring (35) is fixedly communicated with a fixed cylinder (36), both sides of the fixed cylinder (36) are communicated with a communicating pipe (37), and the other end of the communicating pipe (37) is communicated with a fixed pipe (38) installed on the oil cylinder (32). The fixed pipe (38) can be communicated with the oil cylinder (32), and an oil outlet pipe (39) is communicated inside the fixed cylinder (36), and a group of circumferentially arranged oil outlet holes (311) are opened outside the oil outlet pipe (39).

2. The self-locking adjustable multi-stage buffer assembled wall transportation and protection device according to claim 1, characterized in that: A fixed ring (312) is fixedly sleeved below the inside of the oil cylinder (32), a movable ring (314) is movably sleeved in the center of the inside of the oil cylinder (32), and a first spring (313) is connected between the movable ring (314) and the fixed ring (312).

3. The self-locking adjustable multi-stage buffer assembled wall transportation and protection device according to claim 2, characterized in that: A first connecting rod (315) is connected inside the movable ring (314), a spring telescopic rod (316) is connected to the bottom of the first connecting rod (315), a pressure sensing element (310) is installed below the inside of the movable cylinder (31), and the output end of the spring telescopic rod (316) is close to the pressure sensing element (310).

4. The self-locking adjustable multi-stage buffer assembled wall transportation protection device according to claim 3, characterized in that: A sealing circular sleeve (318) is movably sleeved outside the oil outlet pipe (39), a movable frame (319) is movably sleeved on the oil outlet pipe (39), one end of the movable frame (319) can be connected to the sealing circular sleeve (318), a second connecting rod (320) is fixedly installed inside the movable frame (319), a round rod (321) is connected to the bottom of the second connecting rod (320), and a fixed rod (317) located inside the movable cylinder (31) is fixedly sleeved outside the output end of the spring telescopic rod (316), and the other end of the round rod (321) can be connected to the fixed rod (317).

5. The self-locking adjustable multi-stage buffer assembled wall transportation and protection device according to claim 1, characterized in that It also includes a self-locking mechanism (4), the self-locking mechanism (4) is arranged on the storage rack (2), the self-locking mechanism (4) includes two fixed frames (41), the two fixed frames (41) are respectively installed on both sides of the storage rack (2), a rotating frame (42) is rotatably installed on the fixed frame (41), one side of the rotating frame (42) can be blocked by the fixed frame (41), and a connecting frame (43) is connected to the other side of the rotating frame (42).

6. The self-locking adjustable multi-stage buffer assembled wall transportation and protection device according to claim 5, wherein: A cylinder (44) is movably sleeved on the connecting frame (43). A mounting frame (45) is connected to the center inside the storage rack (2). A guide wheel (46) is rotatably mounted in the mounting frame (45). A mounting block (47) is connected to the inner side of the mounting frame (45). A tightening rope (410) is connected to the outside of the cylinder (44). The other end of the tightening rope (410) passes through the guide wheel (46) and extends into the mounting block (47).

7. The self-locking adjustable multi-stage buffer assembled wall transportation protection device according to claim 6, characterized in that: Limit rods (48) are connected to both the upper and lower sides inside the mounting block (47). A moving block (49) is slidably sleeved on the limit rods (48). A tightening rope (410) located outside the limit rods (48) is connected between the moving block (49) and the inner wall of the mounting block (47). The other end of the tightening rope (410) can be connected to the moving block (49).

8. The self-locking adjustable multi-stage buffer assembled wall transportation and protection device according to claim 7, characterized in that: An electromagnetic element (412) is installed inside the mounting block (47). A magnetic block (411) is connected to the side of the moving block (49) facing the electromagnetic element (412).

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