CN220395596U - Safety ladder capable of loading and unloading cigarettes - Google Patents

Abstract

The utility model discloses a safety ladder capable of loading and unloading cigarettes, which belongs to the technical field of cigarette loading and unloading equipment, and comprises two support bases and further comprises: a first upright and a second upright; the connecting mechanism is characterized in that a screw rod is rotatably arranged between the ejector rod and the supporting base, and a movable sleeve seat is connected to the screw rod in a threaded manner; the support rod is used for placing tobacco leaves; the driving mechanism is used for driving the supporting rod to move up and down along the screw rod; according to the utility model, tobacco leaves to be loaded or unloaded can be placed on the support rods, and the driving mechanism drives the screw rod to rotate, so that the connecting rod drives the support rods and the tobacco leaves on the support rods to move upwards or downwards, the tobacco leaves are conveniently loaded and unloaded by persons located at high positions, the tobacco leaves do not need to be manually held by hands and lifted up and down the ladder at the same time, the situation that the gravity center of the ladder is unstable or the persons slip down due to the fact that the workers lift up and down the ladder at the same time to load and unload the tobacco is greatly avoided, and the operation safety is high; and the condition that a worker goes up and down the ladder for loading and unloading cigarettes for many times is not needed, and the efficiency of loading and unloading cigarettes is high.

Description

Safety ladder capable of loading and unloading cigarettes

Technical Field

The utility model relates to the technical field of cigarette loading and unloading equipment, in particular to a safety ladder capable of loading and unloading cigarettes.

Background

Tobacco belongs to annual herbal plants, has a wider planting range, is an important cash crop, has higher economic value, and is required to be transported to a flue-cured tobacco frame in a curing barn for stacking in a tobacco processing factory.

At present, when tobacco leaves are conveyed to a flue-cured tobacco frame, tobacco is generally loaded and unloaded up and down by means of a herringbone ladder or a bench and the like, in such a way, workers usually hold the tobacco leaves up and down at the same time, the operation is very inconvenient, the gravity center of the ladder is easy to move, and the situation that personnel fall down and slip down is caused, so that the operation safety is low; and the personnel need to go up and down the ladder for many times to load and unload the cigarette, waste time and energy, the loading and unloading cigarette inefficiency.

Therefore, it is necessary to provide a safety ladder capable of loading and unloading cigarettes to solve the above technical problems.

Disclosure of Invention

The utility model aims to provide a safety ladder capable of loading and unloading cigarettes so as to solve the technical problems.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a safety ladder capable of loading and unloading cigarettes, comprising two support bases, and further comprising:

the first vertical rod and the second vertical rod are respectively arranged on the two supporting bases;

the connecting mechanism is provided with a plurality of connecting mechanisms and is arranged between the adjacent first vertical rods and the second vertical rods;

the ejector rod is arranged at the upper end of the first upright rod, a screw rod is rotatably arranged between the ejector rod and the supporting base, and a movable sleeve seat is connected to the screw rod in a threaded manner;

the support rods are provided with a plurality of support rods and are connected with the movable sleeve seats, and are used for placing tobacco leaves;

the driving mechanism is arranged inside the supporting base connected with the first vertical rod and is used for driving the supporting rod to move up and down along the screw rod.

Further, a connecting rod is arranged on the movable sleeve seat, the end part of the supporting rod is hinged with the connecting rod, a baffle is arranged on the connecting rod and used for dragging the bottom of the supporting rod and limiting the bottom of the supporting rod to rotate downwards, a sliding groove is formed in the first vertical rod, a sliding block is arranged in the sliding groove in a sliding mode, and one end, away from the sliding groove, of the sliding block is connected with the connecting rod.

Further, a driving cavity is formed in the supporting base at the bottom of the first vertical rod;

the driving mechanism comprises a rotating shaft which is rotationally arranged in the driving cavity, a driving piece which is in driving connection with the rotating shaft is arranged on the supporting base on the left side, a worm is arranged on the rotating shaft, and the bottom end of the screw rod is positioned in the driving cavity and is provided with a worm wheel meshed with the worm.

Further, the connecting mechanism comprises:

the two connecting cross bars are respectively hinged to the first vertical rod and the second vertical rod, and the end parts of the two connecting cross bars are respectively provided with a first connecting frame and a second connecting frame;

and the limit bolt penetrates through the first connecting frame and the second connecting frame actively to connect the two connecting cross bars.

Further, the method further comprises the following steps:

the two bearing rods are respectively arranged on the first vertical rod and the second vertical rod;

the pedal platform is arranged on the supporting rod, and a limit groove matched with the supporting rod is formed in the bottom of the pedal platform.

Furthermore, two adapter plates are arranged on the second vertical rods, the adapter plates are connected with the ladder plates in a rotating mode through pin shafts, and pedals are arranged between the two ladder plates.

Further, a moving groove matched with the pin shaft is formed in the ladder plate and used for changing the supporting angle of the ladder plate;

and a plurality of mounting jacks matched with the bearing rods are formed in the first vertical rods and the second vertical rods and used for mounting the bearing rods.

Further, the ladder plate is rotatably provided with a reinforcing plate, the reinforcing plate is provided with a through groove, the second vertical rod is provided with a fixing hole matched with the through groove, and the fixing hole is fixed with the through groove through bolts.

Compared with the prior art, the utility model has the advantages that:

1. according to the utility model, tobacco leaves to be loaded or unloaded can be placed on the support rods, and the driving mechanism drives the screw rod to rotate, so that the connecting rod drives the support rods and the tobacco leaves on the support rods to move upwards or downwards, the tobacco leaves are conveniently loaded and unloaded by workers at high positions, the workers do not need to manually hold the tobacco leaves and lift the ladder at the same time, the operation is simple, the situation that the gravity center of the ladder is unstable or the workers slip due to the fact that the workers lift the ladder and load and unload the tobacco at the same time is greatly avoided, the operation safety is high, and the protection effect on the workers is greatly improved; meanwhile, the condition that workers go up and down the ladder for loading and unloading cigarettes for many times is not needed, time and labor are saved, the efficiency of loading and unloading cigarettes is high, and the use effect is good.

2. According to the folding device, when the device is required to be idle and transferred or transported, the connecting mechanism is enabled to rotate and fold, then the first vertical rod and the second vertical rod are enabled to be close to each other, and the device can be folded and folded, so that the occupied space of the device is greatly reduced, the device is more convenient to store and transport, more devices can be loaded during transportation, the transportation is convenient, the cost is reduced, and the practicality of the device is greatly improved.

3. The utility model can enable the trampling platform to be at different heights, is convenient for workers at different heights to operate and load and unload cigarettes, and can enable the workers to operate and unload cigarettes at different heights of the cigarette rack, thereby having strong flexibility, meeting different use requirements and greatly improving the use effect.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A;

FIG. 3 is a perspective view of another embodiment of the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 3B;

FIG. 5 is a schematic view of a top view, partially in section, of a support base on the left side of the present utility model;

FIG. 6 is a schematic view of the bottom view of the tread platform according to the present utility model;

fig. 7 is a schematic view of the folded morphological structure of the present utility model.

The reference numerals in the figures illustrate:

1. a support base; 2. a first upright; 3. a second upright; 4. a connecting mechanism; 41. connecting the cross bars; 42. a first connection frame; 43. a second connecting frame; 44. a limit bolt; 5. a push rod; 6. a screw rod; 7. moving the sleeve seat; 8. a support rod; 9. a driving mechanism; 91. a rotating shaft; 92. a driving member; 93. a worm; 94. a worm wheel; 10. a connecting rod; 11. a baffle; 12. a chute; 13. a slide block; 14. a drive chamber; 15. a support rod; 16. a pedal platform; 17. a limit groove; 18. an adapter plate; 19. a ladder plate; 20. a pedal; 21. a moving groove; 22. installing a jack; 23. a reinforcing plate; 24. a through groove; 25. a fixing hole; 26. a universal wheel;

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one:

referring to fig. 1-4 and fig. 7, a safety ladder capable of loading and unloading cigarettes comprises two support bases 1, universal wheels 26 are arranged at the bottoms of the support bases 1, and the safety ladder is convenient to move and further comprises: the first vertical rod 2 and the second vertical rod 3 are respectively arranged on the two support bases 1; the connecting mechanism 4 is provided with a plurality of connecting mechanisms and is arranged between the adjacent first vertical rods 2 and second vertical rods 3; the ejector rod 5 is arranged at the upper end of the first upright rod 2, a screw rod 6 is rotatably arranged between the ejector rod 5 and the support base 1, and a movable sleeve seat 7 is connected to the screw rod 6 in a threaded manner; the support rods 8 are provided with a plurality of support rods and are connected with the movable sleeve seats 7 for placing tobacco leaves; the driving mechanism 9 is arranged in the supporting base 1 connected with the first vertical rod 2 and is used for driving the supporting rod 8 to move up and down along the screw rod 6. The movable sleeve seat 7 is provided with a connecting rod 10, the end part of the supporting rod 8 is hinged with the connecting rod 10, the connecting rod 10 is provided with a baffle 11 for dragging the bottom of the supporting rod 8 and limiting the downward rotation of the supporting rod, the first vertical rod 2 is provided with a sliding groove 12, the sliding groove 12 is internally provided with a sliding block 13 in a sliding manner, and one end of the sliding block 13 far away from the sliding groove 12 is connected with the connecting rod 10.

When the device is used, after the device is moved to a specified tobacco loading and unloading position through the universal wheels 26, if tobacco leaves are required to be loaded onto a tobacco frame at the moment, the supporting rod 8 is positioned at the bottom initially, then the tobacco leaves to be loaded are placed on the supporting rod 8, the tobacco leaves can be directly laid on the supporting rod 8, or the tobacco leaves can be placed in other baskets, boxes and the like, then the tobacco leaves are placed on the supporting rod 8, the driving mechanism 9 drives the screw rod 6 to rotate, the moving sleeve seat 7 is not rotated due to the limitation of the connecting rod 10, the screw rod 6 drives the moving sleeve seat 7 and the connecting rod 10 to move upwards along the screw rod 6, at the moment, the connecting rod 10 is limited by the sliding block 13, the connecting rod 10 drives the sliding block 13 to slide along the sliding groove 12, the connecting rod 10 drives the supporting rod 8 and the tobacco leaves on the supporting rod 8 to move upwards, and the tobacco leaves on the connecting rod 8 are stopped after being moved upwards to a proper position; when the tobacco leaves on the tobacco frame are to be detached, the supporting rod 8 is firstly moved to the convenient operation position of the staff, then the tobacco leaves on the tobacco frame are taken and placed on the supporting rod 8, after the taking and placing are finished, the supporting rod 8 and the tobacco leaves on the supporting rod are lowered to the bottom through the driving mechanism 9, and then the staff can conveniently take the tobacco leaves on the supporting rod 8 after the device is detached, so that the tobacco unloading is finished. From the above, this device dress cigarette unloads the cigarette very convenient, need not the manual work and takes the tobacco leaf and walk up and down the ladder simultaneously, easy operation has greatly avoided the staff to walk up and down the ladder and load and unload the cigarette simultaneously and has made the unstable or smooth condition of personnel of ladder focus, and the operation security is high, has very big promotion to staff's protection effect. Simultaneously, more tobacco leaves can be loaded once through the support rod 8, the condition that a worker goes up and down a ladder for loading and unloading the tobacco leaves for many times is not needed, time and labor are saved, the efficiency of loading and unloading the tobacco leaves is greatly improved, the use effect is good, and the practicability is strong.

After the use, need idle this device to and when needing to shift or transport this device, make coupling mechanism 4 rotate folding, then make first pole setting 2 and second pole setting 3 be close to each other, as shown in fig. 7, can fold this device this moment, greatly reduced this device's occupation space, made things convenient for this device's depositing and transportation more this device of ability loading when making the transportation, convenient for transportation and reduce its cost, greatly improved this device's practicality, can be used widely.

In this embodiment, preferably, referring to fig. 5, a driving cavity 14 is formed in the supporting base 1 at the bottom of the first upright 2; the actuating mechanism 9 is equipped with the driving piece 92 of being connected with the pivot 91 drive including rotating the pivot 91 of locating in the actuating chamber 14 on the left side support base 1, and driving piece 92 in this application adopts the motor, is equipped with worm 93 in the pivot 91, and the bottom of lead screw 6 is located the actuating chamber 14 and is equipped with the worm wheel 94 with worm 93 engaged with. The driving piece 92 is started to drive the rotating shaft 91 to rotate, the rotating shaft 91 drives the worm 93 to rotate, the worm 93 drives the worm wheel 94 and the screw rod 6 to rotate, when the screw rod 6 rotates, the moving sleeve seat 7 cannot rotate due to the limitation of the connecting rod 10, and the screw rod 6 can drive the moving sleeve seat 7 and the connecting rod 10 to move up and down along the screw rod 6.

In this embodiment, referring to fig. 1-2, the connection mechanism 4 preferably includes: two connecting cross bars 41 hinged to the first upright 2 and the second upright 3 respectively, and a first connecting frame 42 and a second connecting frame 43 are arranged at the ends of the two connecting cross bars 41 respectively; the limit bolts 44 pass through the first connecting frame 42 and the second connecting frame 43, and connect the two connecting crossbars 41. When the device is needed to be idle and transferred or transported, the pedal platform 16 and the supporting rod 15 can be taken down firstly, and then the limit bolts 44 on the connecting cross rod 41, the first connecting frame 42 and the second connecting frame 43 on the two sides are pulled out, so that the connecting cross rod 41 can rotate along the hinge point with the first vertical rod 2 or the second vertical rod 3. When the device is used, the connecting cross bars 41 on two sides are rotated, so that the connecting cross bars 41 on two sides are positioned on the same plane, and then the limit bolts 44 are inserted into the first connecting frame 42 and the second connecting frame 43, so that the connecting cross bars 41 on two sides are limited and fixed.

In this embodiment, referring to fig. 1-3 and fig. 6-7, the method further includes: the two bearing rods 15 are respectively arranged on the first vertical rod 2 and the second vertical rod 3; the pedal platform 16 is arranged on the supporting rod 15, and a limit groove 17 matched with the supporting rod 15 is formed in the bottom of the pedal platform 16. The two second vertical rods 3 are respectively provided with an adapter plate 18, the adapter plates 18 are rotatably connected with ladder plates 19 through pin shafts, and pedals 20 are arranged between the two ladder plates 19. The step plate 19 is rotated around the rotation connection point with the adapter plate 18, so that the step plate 19 is in a proper inclined state, then the pedal platform 16 is placed on the bearing rods 15 on the first upright rod 2 and the second upright rod 3, and the limit groove 17 on the pedal platform 16 is clamped on the bearing rods 15, so that the pedal platform 16 is placed. After the device is used, the ladder plate 19 can be rotated along the rotation point with the adapter plate 18, so that the ladder plate 19 is in a vertical state, and then the support rod 8 can be rotated upwards along the hinge point with the connecting rod 10, so that the ladder plate 19 can be folded up, as shown in fig. 7.

In this embodiment, preferably, referring to fig. 1, 3 and 7, a moving slot 21 adapted to the pin shaft is formed on the ladder plate 19 for changing the supporting angle of the ladder plate 19; a plurality of mounting jacks 22 matched with the bearing rods 15 are respectively arranged on the first vertical rods 2 and the second vertical rods 3 and are used for mounting the bearing rods 15. When cigarettes are required to be assembled and disassembled at different heights or tobacco leaves at different heights are required to be assembled and disassembled, at the moment, the supporting rods 15 and the pedal platforms 16 on the first vertical rod 2 and the second vertical rod 3 can be taken down, the other supporting rods 15 and the pedal platforms 16 can be taken down, then the supporting rods 15 are inserted into the corresponding installation jacks 22 at different heights on the first vertical rod 2 and the second vertical rod 3, then the pedal platforms 16 are placed on the supporting rods 15, then the ladder plate 19 can be driven to rotate along the rotation points of the pin shafts on the adapter plate 18, the moving ladder plate 19 enables the pin shafts to move along the moving grooves 21, at the moment, the clamping angles between the ladder plate 19 and the ground are enlarged, and the heights of the pedals 20 on the ladder plate 19 are also increased, so that the ladder plate 19 and the pedals 20 adapt to the heights of the different pedal platforms 16, and workers can conveniently reach the pedal platforms 16 at different heights. The pedal platform 16 can be located at different heights, so that workers at different heights can conveniently operate and load and unload cigarettes, and the workers can operate and unload cigarettes at different heights of the cigarette rack, so that the flexibility is high, different use requirements are met, and the use effect is greatly improved.

In this embodiment, referring to fig. 1, 3 and 7, preferably, a reinforcing plate 23 is rotatably provided on the ladder plate 19, a through slot 24 is provided on the reinforcing plate 23, and a fixing hole 25 matched with the through slot 24 is provided on the second upright 3, and the fixing hole 25 and the through slot 24 are fixed by bolts. Through rotating the reinforcing plate 23 around the rotating point of the ladder plate 19, the through groove 24 is located at the position of the corresponding fixing hole 25, then the end part of the reinforcing plate 23 is fixed on the second vertical rod 3 through bolts, when the ladder plate 19 is located at different angles, the reinforcing plate 23 can be rotated to a proper angle and fixed with the different fixing holes 25, and therefore the ladder plate 19 can be further fixed and reinforced through the reinforcing plate 23, the stability of the ladder plate 19 is improved, and the use effect is good.

Working principle: when the device is used, after the device is moved to a specified smoke loading and unloading position through the universal wheels 26, the ladder plate 19 rotates around a rotating connection point with the adapter plate 18, so that the ladder plate 19 is in a proper inclined state, then the pedal platform 16 is placed on the supporting rods 15 on the first vertical rod 2 and the second vertical rod 3, the limiting grooves 17 on the pedal platform 16 are used for clamping the supporting rods 15, and the pedal platform 16 is placed at the moment. If the tobacco leaves need to be mounted on the tobacco frame, the support rod 8 is positioned at the bottom at the beginning, then the tobacco leaves to be mounted are placed on the support rod 8, the tobacco leaves can be directly laid on the support rod 8, or the tobacco leaves can be placed in other baskets, boxes and the like, then the tobacco leaves are placed on the support rod 8, then a worker passes through the pedal 20 and is arranged on the stepping platform 16, the driving piece 92 is started to drive the rotating shaft 91 to rotate, the rotating shaft 91 drives the worm 93 to rotate, the worm 93 drives the worm wheel 94 and the screw rod 6 to rotate, when the screw rod 6 rotates, the moving sleeve seat 7 is not rotated due to the limitation of the connecting rod 10, the screw rod 6 drives the moving sleeve seat 7 and the connecting rod 10 to move upwards along the screw rod 6, at the moment, the connecting rod 10 drives the sliding block 13 to slide along the sliding groove 12, the connecting rod 10 drives the support rod 8 and the tobacco leaves on the support rod 8 to move upwards, and after the worker on the stepping platform 16 moves upwards, and the tobacco leaves on the support rod 8 can be mounted on the tobacco frame at the moment; when the tobacco leaves on the tobacco frame are to be detached, the supporting rod 8 is firstly moved upwards to the convenient operation position of the staff, then the tobacco leaves on the tobacco frame are taken and placed on the supporting rod 8, after the taking and placing are finished, the moving sleeve seat 7, the connecting rod 10 and the supporting rod 8 are downwards moved by reversing the driving piece 92, so that the supporting rod 8 and the tobacco leaves on the supporting rod 8 are downwards moved to the bottom, and after the staff descends from the device, the tobacco leaves on the supporting rod 8 can be conveniently taken away, and the tobacco unloading is finished.

When cigarettes are required to be assembled and disassembled at different heights or tobacco leaves at different heights are required to be assembled and disassembled, at the moment, the supporting rods 15 and the trampling platforms 16 on the first vertical rod 2 and the second vertical rod 3 can be taken down, the other supporting rods 15 and the trampling platforms 16 can be taken down, then the supporting rods 15 are inserted into the corresponding installation jacks 22 at different heights on the first vertical rod 2 and the second vertical rod 3, then the trampling platforms 16 are placed on the supporting rods 15, then the ladder plate 19 can be driven to rotate along the rotating points of the pin shafts on the adapter plate 18, the moving ladder plate 19 enables the pin shafts to move along the moving grooves 21, at the moment, the clamping angles between the ladder plate 19 and the ground are enlarged, the heights of the pedals 20 on the ladder plate 19 are also increased, and the staff can conveniently reach the trampling platforms 16 at different heights.

When the device is needed to be put aside after the use, and the device needs to be transferred or transported, the pedal platform 16 and the supporting rod 15 can be taken down firstly, then the limit bolts 44 on the connecting cross rods 41, the first connecting frame 42 and the second connecting frame 43 on the two sides are pulled out, at the moment, the connecting cross rods 41 can rotate along the hinging point with the first vertical rod 2 or the second vertical rod 3, then the first vertical rod 2 and the second vertical rod 3 are mutually close, then the ladder plate 19 rotates along the rotating point with the adapter plate 18, the ladder plate 19 is in a vertical state, then the supporting rod 8 rotates upwards along the hinging point with the connecting rod 10, as shown in fig. 7, at the moment, the device can be folded, and the occupied space of the device is reduced.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme and the concept of the present utility model, and should be covered by the scope of the present utility model.

Claims (8)

1. Safety ladder capable of loading and unloading cigarettes comprises two supporting bases (1), and is characterized by further comprising:

the first vertical rod (2) and the second vertical rod (3) are respectively arranged on the two supporting bases (1);

the connecting mechanisms (4) are provided with a plurality of connecting mechanisms and are arranged between the adjacent first vertical rods (2) and the second vertical rods (3);

the ejector rod (5) is arranged at the upper end of the first upright rod (2), a screw rod (6) is rotatably arranged between the ejector rod (5) and the supporting base (1), and a movable sleeve seat (7) is connected to the screw rod (6) in a threaded manner;

the support rods (8) are provided with a plurality of movable sleeve seats (7) and are connected with the movable sleeve seats for placing tobacco leaves;

the driving mechanism (9) is arranged inside the supporting base (1) connected with the first vertical rod (2) and is used for driving the supporting rod (8) to move up and down along the screw rod (6).

2. The safety ladder capable of loading and unloading cigarettes according to claim 1, wherein a connecting rod (10) is arranged on the movable sleeve seat (7), the end part of the supporting rod (8) is hinged with the connecting rod (10), a baffle (11) is arranged on the connecting rod (10) and used for dragging the bottom of the supporting rod (8) and limiting the downward rotation of the supporting rod, a sliding groove (12) is formed in the first vertical rod (2), a sliding block (13) is arranged in the sliding groove (12) in a sliding mode, and one end, away from the sliding groove (12), of the sliding block (13) is connected with the connecting rod (10).

3. The safety ladder capable of loading and unloading cigarettes according to claim 1, wherein a driving cavity (14) is formed in the supporting base (1) at the bottom of the first upright (2);

the driving mechanism (9) comprises a rotating shaft (91) which is arranged in the driving cavity (14) in a rotating mode, a driving piece (92) which is in driving connection with the rotating shaft (91) is arranged on the supporting base (1) on the left side, a worm (93) is arranged on the rotating shaft (91), and the bottom end of the screw rod (6) is located in the driving cavity (14) and is provided with a worm wheel (94) meshed with the worm (93).

4. A smoke-removable safety ladder according to claim 1, characterized in that said connecting means (4) comprise:

the two connecting cross bars (41) are respectively hinged to the first vertical rod (2) and the second vertical rod (3), and the end parts of the two connecting cross bars (41) are respectively provided with a first connecting frame (42) and a second connecting frame (43);

and the limit bolt (44) penetrates through the first connecting frame (42) and the second connecting frame (43) actively to connect the two connecting cross bars (41).

5. The smoke-removable safety ladder of claim 1, further comprising:

the two bearing rods (15) are respectively arranged on the first vertical rod (2) and the second vertical rod (3);

the pedal platform (16) is arranged on the supporting rod (15), and a limit groove (17) matched with the supporting rod (15) is formed in the bottom of the pedal platform (16).

6. The safety ladder capable of loading and unloading cigarettes according to claim 5, wherein two second vertical rods (3) are respectively provided with an adapter plate (18), the adapter plates (18) are rotatably connected with ladder plates (19) through pin shafts, and pedals (20) are arranged between the two ladder plates (19).

7. The safety ladder capable of loading and unloading cigarettes according to claim 6, wherein the ladder plate (19) is provided with a moving groove (21) matched with the pin shaft, and the moving groove is used for changing the supporting angle of the ladder plate (19);

the first vertical rod (2) and the second vertical rod (3) are respectively provided with a plurality of mounting jacks (22) which are matched with the bearing rods (15) and are used for mounting the bearing rods (15).

8. The safety ladder capable of loading and unloading cigarettes according to claim 6, wherein the ladder plate (19) is rotatably provided with a reinforcing plate (23), the reinforcing plate (23) is provided with a through groove (24), the second upright (3) is provided with a fixing hole (25) matched with the through groove (24), and the fixing hole (25) and the through groove (24) are fixed through bolts.