Carrying device for traffic transportation

Abstract

The invention discloses a carrying device for traffic transportation, and relates to the technical field of traffic transportation, the carrying device comprises a base, the top of the base is provided with a conveying device, the surface of the conveying device is rotatably provided with a connecting piece, the surface of the conveying device is fixedly provided with a rotating motor, and the top of the base is slidably provided with a sliding plate; the square block is fixedly installed at the top of the sliding plate, a positioning hole is formed in the surface of the square block, the supporting rod is slidably installed on the inner wall of the square block, an adjusting hole is formed in the surface of the supporting rod, and one end of the telescopic rod is fixedly installed at the top of the sliding plate. And the other end of the telescopic rod is fixedly installed at the bottom of the conveying device, one end of the inclined rod is fixedly installed on the surface of the supporting rod, and after part of the conveying device moves, the rotating angle of the conveying device can be reduced, so that the continuity during conveying is improved, and the comfort of the device is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of transportation, and in particular to a transport device used for transportation. Background Art

[0002] A handling device used in transportation can be of various types and is intended to improve the efficiency of transporting goods, reduce manual labor, or improve the safety of the transportation process.

[0003] The patent with patent announcement number CN208814004U relates to a transport device for transportation, including a storage box, a positioning groove is opened on one side outer wall of the storage box, the interior of the positioning groove is rotatably connected to a side plate through a rotating shaft, a first motor is installed on the outer wall of one side of the storage box adjacent to the positioning groove, the first motor and the side plate are rotatably connected through a rotating shaft, and the bottom end of the storage box is fixedly connected to a rail holder and a drive box by bolts. In order to solve the problem that the existing transport device is inconvenient to realize transportation when the road conditions are poor and the transport efficiency is low, this patent provides a transport device suitable for formed tracks. When the track is constructed, the entire transport device is fixed to the completed rail through the rail holder, so that the entire transport device can move back and forth along the constructed part of the rail, thereby transporting the construction components of the rail to the fixed stacking point for installation.

[0004] In the above patent, when the track is being constructed, the entire transport device is fixed to the completed track through the rail clamp, so that the entire transport device can be reciprocated along the constructed part of the track, thereby transporting the construction components of the track from the fixed stacking point for installation. However, when transporting the transportation device, an overweight transportation device will be difficult to climb and transport, and the overweight cargo will cause damage to the transportation device, resulting in property loss. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a handling device for transportation, which solves the problems raised in the above-mentioned background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a transport device for transportation, comprising a base, a conveying device is arranged on the top of the base, a connecting piece is rotatably installed on the surface of the conveying device, a rotating motor is fixedly installed on the surface of the conveying device, a sliding plate is slidably installed on the top of the base, a driving device is arranged inside the sliding plate, and an adjusting device, a buffer device and a protective device are arranged on the top of the sliding plate; Wherein, the adjusting device comprises: a square block, a support rod, a telescopic rod, an oblique rod, a bottom plate, a blocking block, a transmission oblique block, a sliding block, a cross plate and a triangular block, wherein the square block is fixedly mounted on the top of the sliding plate, a positioning hole is provided on the surface of the square block, the support rod is slidably mounted on the inner wall of the square block, an adjusting hole is provided on the surface of the support rod, one end of the telescopic rod is fixedly mounted on the top of the sliding plate, the other end of the telescopic rod is fixedly mounted on the bottom of the conveying device, one end of the oblique rod is fixedly mounted on the surface of the support rod, the other end of the oblique rod is rotatably mounted on the free end of the telescopic rod, the bottom plate is fixedly mounted on the bottom of the conveying device, the bottom plate is fixedly mounted on the top of the support rod, the blocking block is slidably mounted between the adjusting hole and the positioning hole, the transmission oblique block is fixedly mounted on a side of the blocking block close to each other, the triangular block is slidably mounted on the surface of the transmission oblique block, the sliding block is fixedly mounted on the bottom of the triangular block, and the cross plate is fixedly mounted on the bottom of the sliding block, the movement of the transmission oblique block will drive the blocking block to move in the direction of the square block, and after the blocking block moves, it will be stuck between the positioning hole and the adjusting hole and limit the square block and the support rod.

[0007] According to the above technical solution, a connecting device is provided between the oblique rod and the telescopic rod, and a reset spring is provided inside the telescopic rod, and the free end of the telescopic rod is reset by the reset spring.

[0008] According to the above technical scheme, the buffer device includes: an air cylinder, a piston, a support column, an air outlet, a transmission block, a sealing plate and a hollow shell, the air cylinder is fixedly installed on the top of the sliding plate, the piston is slidably installed inside the air cylinder, the support column is fixedly installed on the top of the piston, the air outlets are all opened on the surface of the air cylinder, the transmission block is fixedly installed on the side of the cross plate close to the air cylinder, the sealing plate is fixedly installed on the side of the transmission block away from the cross plate, and the hollow shell is fixedly installed on the top of the sliding plate. When the cross plate moves toward the bottom, it will drive the transmission block to move toward the bottom. When the transmission block moves toward the bottom, it will drive the sealing plate to move toward the bottom. When the sealing plate moves toward the bottom, it will contact the air outlet and block part of the air outlet. The air inside the air cylinder can only flow out of the interior of the air cylinder through other air outlets.

[0009] According to the above technical solution, a No. 1 spring is arranged between the piston and the inflation cylinder, the sealing plate is in contact with the air outlet, and the No. 1 spring drives the piston to reset.

[0010] According to the above technical solution, the protective device includes: a support plate, an elastic telescopic rod, a limit plate, a friction plate and a spring sheet, the support plate is fixedly mounted on the inner wall of the hollow shell, the elastic telescopic rod is fixedly mounted on the top of the support plate, the limit plate is fixedly mounted on the top of the elastic telescopic rod, the friction plate is slidably mounted on the inner wall of the hollow shell, and the spring sheet is fixedly mounted on the circumferential surface of the support column, so as to prevent the presence of excessively heavy cargo on the top of the conveying device, resulting in excessive inertia when moving to the bottom, causing damage to the buffer device, thereby improving the protection effect of the device.

[0011] According to the above technical solution, a No. 2 spring is arranged between the friction plate and the hollow shell, the spring is in contact with the friction plate, and the friction plate is driven to reset by the No. 2 spring.

[0012] According to the above technical solution, the protective device also includes: two rotating blocks, an L-shaped plate, a fixed seat, a rotating seat and a blocking plate. The two rotating blocks are fixedly installed inside the hollow shell, the L-shaped plate is rotatably installed between the rotating blocks, the fixed seat is fixedly installed on the circumferential surface of the support column, the rotating seat is rotatably installed on the surface of the fixed seat, and the blocking plate is fixedly installed on the bottom of the fixed seat. The rotation of the L-shaped plate will drive the friction plate to move toward the direction of the support column, and the elastic retractable rod itself will drive the limit plate to move toward the top through its own elastic reset. The movement of the limit plate to the top will limit the friction plate.

[0013] According to the above technical solution, a torsion spring is arranged between the rotating seat and the fixed seat, the rotating seat is in contact with the L-shaped plate, and the rotating seat is driven by the torsion spring to reset.

[0014] The present invention provides a handling device for transportation, which has the following beneficial effects: (1) The invention, through the movement of the sliding plate, drives part of the conveying device to move away from the rotating motor. After the part of the conveying device moves, the rotation angle of the conveying device is reduced, so that the continuity during transportation is improved, and the comfort of the device is improved. After the positioning block moves, it will be stuck between the positioning hole and the adjustment hole and limit the square block and the support rod. The height and conveying angle of the conveying device can be adjusted and the normal operation of the conveying device can be ensured. It is suitable for various different conveying places and improves the adaptability of the device.

[0015] (2) In the present invention, the movement of the piston toward the bottom drives the air squeezed inside the inflator to be discharged through the air outlet. Before the air is completely discharged from the inflator, the piston can only move slowly toward the bottom, so that the support column can support the conveying device, and the staff can adjust the adjustment device, thereby reducing the danger during adjustment and improving the protection of the staff. The air inside the inflator can only flow out of the inflator through other air outlets, further slowing down the air circulation speed, so that the staff has sufficient time to adjust the adjustment device, thereby improving the practicality of the device.

[0016] (3) The invention increases the friction between the spring sheet and the friction plate after the spring sheet contacts the friction plate, thereby slowing down the movement speed of the spring sheet toward the bottom, thereby preventing the presence of too heavy cargo on the top of the conveying device from causing excessive inertia when moving toward the bottom, thereby damaging the buffer device, thereby improving the protection effect of the device; the friction plate no longer contacts the spring sheet after movement, thereby preventing the friction plate from having a deceleration effect after moving to the bottom, thereby preventing the conveying device from being difficult to move toward the top due to excessive resistance when adjusting toward the top, thereby facilitating the operation of the staff and improving the practicality of the device; the friction plate is limited when the limit plate moves toward the top, thereby resetting the conveying device when it is adjusted to the highest position, thereby facilitating the next protection and improving the continuity of the overall device during operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the top structure of the sliding plate of the present invention; Figure 3 It is a schematic diagram of the structure of the regulating device of the present invention; Figure 4 This is a schematic diagram of the cross-sectional structure of a square block of the present invention; Figure 5 This is a schematic diagram of the cross-sectional structure of the hollow shell of the present invention; Figure 6 It is a schematic diagram of the cross-sectional structure of the inflator of the present invention; Figure 7 It is a schematic diagram of the structure of the protective device of the present invention; Figure 8 For the present invention Figure 7 A schematic diagram of the enlarged structure of part A.

[0018] In the figure: 1, base; 2, conveying device; 3, connecting piece; 4, rotating motor; 5, sliding plate; 61, square block; 62, support rod; 63, telescopic rod; 64, oblique rod; 65, bottom plate; 66, positioning block; 67, transmission oblique block; 68, sliding block; 69, cross plate; 610, triangular block; 71, inflator; 72, piston; 73, support column; 74, air outlet; 75, No. 1 spring; 76, transmission block; 77, sealing plate; 78, hollow shell; 81, support plate; 82, elastic telescopic rod; 83, limit plate; 84, friction plate; 85, spring; 86, rotating block; 87, L-shaped plate; 88, fixed seat; 89, rotating seat; 810, blocking plate. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. 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 creative work are within the scope of protection of the present invention.

[0020] See also Figure 1-Figure 4One embodiment of the present invention is: a handling device for transportation, comprising a base 1, a conveying device 2 is arranged on the top of the base 1, a connecting piece 3 is rotatably installed on the surface of the conveying device 2, a rotating motor 4 is fixedly installed on the surface of the conveying device 2, a sliding plate 5 is slidably installed on the top of the base 1, a driving device is arranged inside the sliding plate 5, and an adjusting device is arranged on the top of the sliding plate 5, the adjusting device comprises: a square block 61, a support rod 62, a telescopic rod 63, an inclined rod 64, a bottom plate 65, a positioning block 66, a transmission inclined block 67, a sliding block 68, a cross plate 69 and a triangular block 610, the square block 61 is fixedly installed on the top of the sliding plate 5, a positioning hole is opened on the surface of the square block 61, the support rod 62 is slidably installed on the inner wall of the square block 61, and the surface of the support rod 62 is opened with an adjusting hole, so that the continuity during transportation is improved, and the comfort of the device is improved. Adaptability, one end of the telescopic rod 63 is fixedly mounted on the top of the sliding plate 5, the other end of the telescopic rod 63 is fixedly mounted on the bottom of the conveying device 2, one end of the inclined rod 64 is fixedly mounted on the surface of the support rod 62, the other end of the inclined rod 64 is rotatably mounted on the free end of the telescopic rod 63, the bottom plate 65 is fixedly mounted on the bottom of the conveying device 2, the bottom plate 65 is fixedly mounted on the top of the support rod 62, the positioning block 66 is slidably mounted between the adjustment hole and the positioning hole, the transmission inclined block 67 is fixedly mounted on the side of the positioning block 66 close to each other, the triangular block 610 is slidably mounted on the surface of the transmission inclined block 67, the sliding block 68 is fixedly mounted on the bottom of the triangular block 610, and the cross plate 69 is fixedly mounted on the bottom of the sliding block 68. The height and conveying angle of the conveying device 2 can be adjusted to ensure the normal operation of the conveying device 2. It is suitable for various different conveying places and improves the adaptability of the device.

[0021] A connecting device is provided between the oblique rod 64 and the telescopic rod 63 . A reset spring is provided inside the telescopic rod 63 , and the free end of the telescopic rod 63 is reset by the reset spring.

[0022] When the present embodiment is working: the driving device is started, and the driving device drives the sliding plate 5 to move in the direction away from the rotating motor 4. The movement of the sliding plate 5 will drive part of the conveying device 2 to move in the direction away from the rotating motor 4. After the part of the conveying device 2 moves, the rotation angle of the conveying device 2 will be reduced, so that the continuity during transportation is improved, and the comfort of the device is improved. The horizontal plate 69 is pressed toward the bottom, and the movement of the horizontal plate 69 toward the bottom will drive the sliding block 68 to move toward the bottom. The movement of the sliding block 68 toward the bottom will drive the triangular block 610 to move toward the bottom. The movement of the triangular block 610 toward the bottom will drive the transmission bevel block 67 to move in the direction away from the square block 61. The movement of the transmission bevel block 67 drives the positioning block 66 to move in the direction away from the square block 61. After the positioning block 66 moves, it contacts the adjustment hole and the positioning hole , and then pull the support rod 62 toward the bottom and move it toward the bottom. After adjusting the support rod 62 to the required height, align the adjustment hole with the positioning hole, and then pull the cross plate 69 toward the top. The movement of the cross plate 69 toward the top will drive the sliding block 68 to move toward the top, and the movement of the sliding block 68 toward the top will drive the triangular block 610 to move toward the top. The movement of the triangular block 610 toward the top will drive the transmission bevel block 67 to move in the direction of the square block 61. The movement of the transmission bevel block 67 will drive the positioning block 66 to move in the direction of the square block 61. After the positioning block 66 moves, it will be stuck between the positioning hole and the adjustment hole and limit the square block 61 and the support rod 62. The height and conveying angle of the conveying device 2 can be adjusted to ensure the normal operation of the conveying device 2. It is suitable for various different conveying places and improves the adaptability of the device.

[0023] See also Figure 1-Figure 8 On the basis of the above embodiment, in another embodiment of the present invention, a buffer device and a protective device are provided on the top of the sliding plate 5, wherein the buffer device comprises: an inflatable cylinder 71, a piston 72, a support column 73, an air outlet 74, a transmission block 76, a sealing plate 77 and a hollow shell 78. The inflatable cylinder 71 is fixedly mounted on the top of the sliding plate 5, the piston 72 is slidably mounted inside the inflatable cylinder 71, the support column 73 is fixedly mounted on the top of the piston 72, and the air outlet 74 is provided on the surface of the inflatable cylinder 71, so that the support column 73 can support the conveying device 2, the staff can adjust the adjustment device, reduce the danger during adjustment, and improve the protection for the staff, the transmission block 76 is fixedly mounted on the side of the transverse plate 69 close to the inflatable cylinder 71, the sealing plate 77 is fixedly mounted on the side of the transmission block 76 away from the transverse plate 69, and the hollow shell 78 is fixedly mounted on the top of the sliding plate 5, further slowing down the circulation speed of the air, so that the staff has sufficient time to adjust the adjustment device, and improves the practicality of the device.

[0024] A No. 1 spring 75 is provided between the piston 72 and the inflation cylinder 71 , and the sealing plate 77 is in contact with the air outlet 74 , and the No. 1 spring 75 drives the piston 72 to reset.

[0025] The protective device includes: a support plate 81, an elastic telescopic rod 82, a limit plate 83, a friction plate 84 and a spring 85. The support plate 81 is fixedly mounted on the inner wall of the hollow shell 78, the elastic telescopic rod 82 is fixedly mounted on the top of the support plate 81, the limit plate 83 is fixedly mounted on the top of the elastic telescopic rod 82, the friction plate 84 is slidably mounted on the inner wall of the hollow shell 78, and the spring 85 is fixedly mounted on the circumferential surface of the support column 73 to prevent the presence of excessively heavy goods on the top of the conveying device 2, which causes excessive inertia when moving to the bottom, resulting in damage to the buffer device, thereby improving the protection effect of the device.

[0026] A No. 2 spring is provided between the friction plate 84 and the hollow shell 78 , and the spring piece 85 contacts the friction plate 84 , and the friction plate 84 is driven to reset by the No. 2 spring.

[0027] The protective device also includes: two rotating blocks 86, an L-shaped plate 87, a fixed seat 88, a rotating seat 89 and a blocking plate 810. The two rotating blocks 86 are fixedly installed inside the hollow shell 78, the L-shaped plate 87 is rotatably installed between the rotating blocks 86, and the fixed seat 88 is fixedly installed on the circumferential surface of the support column 73, so that after the friction plate 84 moves to the bottom, no deceleration effect is produced, preventing the conveying device 2 from being difficult to move when adjusting to the top due to excessive resistance, which is convenient for staff to operate and improves the practicality of the device. The rotating seat 89 is rotatably installed on the surface of the fixed seat 88, and the blocking plate 810 is fixedly installed on the bottom of the fixed seat 88, so that when the conveying device 2 is adjusted to the highest point, the device will be reset, which is convenient for the next protection and improves the continuity of the overall device during operation.

[0028] A torsion spring is provided between the rotating seat 89 and the fixed seat 88 . The rotating seat 89 contacts the L-shaped plate 87 , and the rotating seat 89 is driven by the torsion spring to reset.

[0029] When the present embodiment is working, the movement of the support rod 62 toward the bottom will drive the bottom plate 65 toward the bottom, the movement of the bottom plate 65 toward the bottom will drive the support column 73 toward the bottom, the movement of the support column 73 toward the bottom will drive the piston 72 toward the bottom, the movement of the piston 72 toward the bottom will drive the air squeezed inside the inflation cylinder 71 to be discharged through the air outlet 74, before the air is completely discharged from the inflation cylinder 71, the piston 72 can only move slowly toward the bottom, so that the support column 73 can support the conveying device 2, the staff can adjust the adjustment device, reduce the danger during adjustment, and improve the protection of the staff, the movement of the cross plate 69 toward the bottom will drive the transmission block 76 toward the bottom, the movement of the transmission block 76 toward the bottom will drive the sealing plate 77 toward the bottom, the movement of the sealing plate 77 toward the bottom will contact the air outlet 74 and block part of the air outlet 74, the air inside the inflation cylinder 71 can only flow out of the interior of the inflation cylinder 71 through other air outlets 74, further slowing down the circulation speed of the air, so that the staff has sufficient time to adjust the adjustment device, and improve the practicality of the device.

[0030] The movement of the support column 73 toward the bottom drives the spring piece 85 toward the bottom. The spring piece 85 moves toward the bottom and contacts with the friction plate 84. After the spring piece 85 contacts with the friction plate 84, the friction between the spring piece 85 and the friction plate 84 increases, thereby slowing down the movement speed of the spring piece 85 toward the bottom, thereby preventing the presence of too heavy goods on the top of the conveying device 2 from causing excessive inertia when moving toward the bottom, thereby damaging the buffer device, thereby improving the protection effect of the device. The movement of the support column 73 toward the bottom drives the fixed seat 88 toward the bottom. The fixed seat 88 moves toward the bottom and contacts with the limit plate 83. The movement of the fixed seat 88 toward the top drives the limit plate 83 to move toward the bottom. After the limit plate 83 moves to the bottom, it no longer contacts with the friction plate 84, and then the friction plate 84 is driven to move in the direction away from the support column 73 through the No. 2 spring reset. After the friction plate 84 moves, it no longer contacts with the spring piece 85, so that no friction plate 84 is generated after it moves to the bottom. The rotation of the stop plate 810 will cause the rotation of the L-shaped plate 87, and the rotation of the L-shaped plate 87 will drive the friction plate 84 to move in the direction of the support column 73. The elastic resetting of the elastic telescopic rod 82 itself drives the limit plate 83 to move toward the top, and the movement of the limit plate 83 toward the top will limit the friction plate 84, so that the conveying device 2 will be reset when it is adjusted to the highest position, which is convenient for the next protection and improves the continuity of the overall operation of the device.

[0031] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A transport device for transportation, comprising a base (1), characterized in that: A conveying device (2) is arranged on the top of the base (1); a connecting piece (3) is rotatably mounted on the surface of the conveying device (2); a rotating motor (4) is fixedly mounted on the surface of the conveying device (2); a sliding plate (5) is slidably mounted on the top of the base (1); a driving device is arranged inside the sliding plate (5); and an adjusting device, a buffer device and a protective device are arranged on the top of the sliding plate (5); The adjusting device comprises: a square block (61), a support rod (62), a telescopic rod (63), an inclined rod (64), a bottom plate (65), a positioning block (66) and a transmission inclined block (67), wherein the square block (61) is fixedly mounted on the top of the sliding plate (5), a positioning hole is provided on the surface of the square block (61), the support rod (62) is slidably mounted on the inner wall of the square block (61), an adjusting hole is provided on the surface of the support rod (62), one end of the telescopic rod (63) is fixedly mounted on the top of the sliding plate (5), and the telescopic rod (63) is fixedly mounted on the top of the sliding plate (5). The other end of the rod (63) is fixedly mounted on the bottom of the conveying device (2), one end of the inclined rod (64) is fixedly mounted on the surface of the support rod (62), the other end of the inclined rod (64) is rotatably mounted on the free end of the telescopic rod (63), the bottom plate (65) is fixedly mounted on the bottom of the conveying device (2), the bottom plate (65) is fixedly mounted on the top of the support rod (62), the positioning block (66) is slidably mounted between the adjustment hole and the positioning hole, and the transmission inclined block (67) is fixedly mounted on a side of the positioning block (66) that is close to each other.

2. A transport device for transportation according to claim 1, characterized in that: The adjusting device further comprises: a sliding block (68), a horizontal plate (69) and a triangular block (610); the triangular block (610) is slidably mounted on the surface of the transmission inclined block (67); the sliding block (68) is fixedly mounted on the bottom of the triangular block (610); and the horizontal plate (69) is fixedly mounted on the bottom of the sliding block (68).

3. A transport device for transportation according to claim 2, characterized in that: A connecting device is provided between the oblique rod (64) and the telescopic rod (63), and a return spring is provided inside the telescopic rod (63).

4. A transport device for transportation according to claim 3, characterized in that: The buffer device comprises: an air cylinder (71), a piston (72), a support column (73) and an air outlet (74); the air cylinder (71) is fixedly mounted on the top of the sliding plate (5); the piston (72) is slidably mounted inside the air cylinder (71); the support column (73) is fixedly mounted on the top of the piston (72); and the air outlet (74) is provided on the surface of the air cylinder (71).

5. A transport device for transportation according to claim 4, characterized in that: The buffer device further comprises: a transmission block (76), a sealing plate (77) and a hollow shell (78); the transmission block (76) is fixedly mounted on a side of the transverse plate (69) close to the inflator (71); the sealing plate (77) is fixedly mounted on a side of the transmission block (76) away from the transverse plate (69); and the hollow shell (78) is fixedly mounted on the top of the sliding plate (5).

6. A transport device for transportation according to claim 5, characterized in that: A first spring (75) is provided between the piston (72) and the inflation cylinder (71), and the sealing plate (77) is in contact with the air outlet (74).

7. A transport device for transportation according to claim 6, characterized in that: The protective device comprises: a support plate (81), an elastic telescopic rod (82), a limit plate (83), a friction plate (84) and a spring sheet (85); the support plate (81) is fixedly mounted on the inner wall of the hollow shell (78); the elastic telescopic rod (82) is fixedly mounted on the top of the support plate (81); the limit plate (83) is fixedly mounted on the top of the elastic telescopic rod (82); the friction plate (84) is slidably mounted on the inner wall of the hollow shell (78); and the spring sheet (85) is fixedly mounted on the circumferential surface of the support column (73).

8. A transport device for transportation according to claim 7, characterized in that: A No. 2 spring is provided between the friction plate (84) and the hollow shell (78), and the spring sheet (85) is in contact with the friction plate (84).

9. A transport device for transportation according to claim 8, characterized in that: The protective device further comprises: two rotating blocks (86), an L-shaped plate (87), a fixed seat (88), a rotating seat (89) and a blocking plate (810), wherein the two rotating blocks (86) are fixedly mounted inside the hollow shell (78), the L-shaped plate (87) is rotatably mounted between the rotating blocks (86), the fixed seat (88) is fixedly mounted on the circumferential surface of the support column (73), the rotating seat (89) is rotatably mounted on the surface of the fixed seat (88), and the blocking plate (810) is fixedly mounted on the bottom of the fixed seat (88).

10. A transport device for transportation according to claim 9, characterized in that: A torsion spring is provided between the rotating seat (89) and the fixed seat (88), and the rotating seat (89) is in contact with the L-shaped plate (87).

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