Heavy object stair conveying device

Through the coordination of threaded rods, moving shafts, fixed cylinders and moving cylinders, the problem of fixing and inconvenient movement of the existing stair conveyor devices is solved, and the adjustment and portability of the device length is realized, and the use of stairs of different heights is adapted to the use of stairs.

CN222592467UActive Publication Date: 2025-03-11SHANGHAI YANDUN ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202420539024.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-19
Publication Date
2025-03-11
Estimated Expiration
2034-03-19

AI Technical Summary

Technical Problem

The existing stair conveyor device needs to be customized to match the stair size when installing, and the length of the conveying parts is unadjustable, resulting in large and inconvenient movement of the overall device.

Method used

Through the cooperation of threaded rods, moving shafts, fixed cylinders and moving cylinders, the adjustment of the conveyor belt and the extension and shortening of the length of the conveyor device are achieved, making it convenient to adapt to stairs and movements of different heights.

Benefits of technology

The overall size of the stair conveyor device is adjusted, adapted to stairs of different heights, and is easy to use, improving the flexibility and portability of the device.

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Abstract

The utility model discloses a heavy object stair conveying device, and relates to the technical field of stair conveying devices, the heavy object stair conveying device comprises a fixing frame, the interior of the fixing frame is rotatably connected with a driving shaft, the interior of the fixing frame is fixedly connected with a fixing plate, the interior of the fixing plate is rotatably connected with a threaded rod, and the threaded rod is fixedly connected with the driving shaft. A movable plate is in threaded connection with the outer surface of the threaded rod, a control shaft is rotatably connected to the interior of the movable plate, a movable shaft is fixedly connected to the outer surface of the control shaft, and through cooperation of the threaded rod, the movable shaft, the fixed cylinder and the movable cylinder, the movable shaft can be driven to move through the threaded rod; when the size of the conveying device is adjusted, the conveying belt can be adjusted through the moving shafts, the moving cylinders can move in the fixed cylinders, the length of the whole conveying device can be increased, and the multiple sections of moving cylinders can be pulled out of the fixed cylinders during adjustment; the overall size of the stair conveying device is adjusted.
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Description

Technical Field

[0001] The utility model relates to the technical field of stair conveying devices, in particular to a heavy object stair conveying device. Background Art

[0002] The stair conveyor is a type of conveying equipment, which mainly includes components such as a fixed frame, a driving shaft and a conveyor belt. By building a conveyor belt component between the upper and lower stairs, heavy objects can be transported from low to high, which can avoid the staff from wasting physical and manpower for carrying. It is very convenient to use.

[0003] When installing a stair conveyor, the fixing frame needs to be customized according to the size of the stairs. It is necessary to ensure that the overall length of the conveyor fits the length of the stairs so that the conveyor can be better used. However, the length of the conveying component inside the conveyor cannot be adjusted. When using it, it is necessary to specially customize the appropriate size. After the customized size, the conveyor is overall larger and inconvenient to move. For this reason, we provide a heavy object stair conveyor to solve the above problems. Utility Model Content

[0004] 1) Technical issues solved

[0005] The purpose of the utility model is to make up for the deficiencies of the prior art and to provide a heavy object stair conveying device.

[0006] 2) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a heavy object stair conveying device, comprising a fixed frame, an internal rotationally connected to a driving shaft of the fixed frame, an external sleeve of the driving shaft is provided, an internal fixed connection of the fixed frame is provided with a fixed plate, an internal rotationally connected to a threaded rod of the fixed plate, an outer surface of the threaded rod is threadedly connected to a movable plate, an internal rotationally connected to a control shaft of the movable plate, an outer surface of the control shaft is fixedly connected to a movable shaft, a supporting frame 1 is installed inside the fixed frame, an outer surface of the fixed frame is fixedly connected to a fixed cylinder, an internal sliding connection of the fixed cylinder is provided with a movable cylinder, an internal fixed connection of the movable cylinder is provided with an installation cylinder, and an internal sliding connection of the installation cylinder is provided with a clamping plate.

[0008] Furthermore, the outer surface of the movable plate is slidably connected to the inside of the fixed frame, the movable shaft and the movable plate are provided in two groups and arranged up and down, and the outer surface of the conveyor belt is slidably connected to the outer surface of the movable shaft.

[0009] Furthermore, the interior of the fixing frame is rotatably connected with an auxiliary shaft 1, and the outer surface of the conveyor belt is slidably connected to the outer surface of the auxiliary shaft 1.

[0010] Furthermore, the fixing frame is internally rotatably connected with an auxiliary shaft 2, and the auxiliary shaft 2 is provided with two groups and arranged up and down with a threaded rod separated. A motor No. 1 is installed outside the fixing plate, and the output end of the motor No. 1 is fixedly connected to the outer surface of the threaded rod.

[0011] Furthermore, a No. 2 motor is installed on the outside of the fixing frame, and the output end of the No. 2 motor is fixedly connected to the outer surface of the driving shaft, and the outside of the driving shaft is covered with a connecting belt.

[0012] Furthermore, a fixing hole is opened inside the movable cylinder, the outer surface of the clamping plate is slidably connected to the inside of the fixing hole, a spring is fixedly connected to the inner wall of the mounting cylinder, and one end of the spring is fixedly connected to the outer surface of the clamping plate.

[0013] Furthermore, a mounting block is fixedly connected to the outer surface of the movable cylinder, a second support frame is installed outside the mounting block, and a supporting leg is installed below the movable cylinder.

[0014] III) Beneficial effects

[0015] Compared with the prior art, the heavy object staircase conveying device has the following beneficial effects:

[0016] 1. The utility model cooperates among a threaded rod, a movable shaft, a fixed cylinder and a movable cylinder. First, the threaded rod can drive the movable shaft to move, and the movable shaft can tighten and retract the conveyor belt. When adjusting the size of the conveying device, the conveyor belt can be adjusted by the movable shaft, which is convenient for the normal use of the conveyor belt. The movable cylinder can be moved inside the fixed cylinder to extend the length of the entire conveying device. When adjusting, the multi-section movable cylinder can be pulled out of the fixed cylinder, which is convenient for adapting to stairs of different heights during use and convenient for mobile use, thereby realizing the adjustment of the overall size of the stair conveying device.

[0017] 2. The utility model provides components such as springs and card plates. When the position of the moving cylinder is adjusted, the card plates can enter the interior of the fixing holes under the action of the springs, thereby fixing the position of a single-section moving cylinder and ensuring the stability of the moving cylinder when it is fixed. When the moving cylinder is in use, the supporting legs can stably support both sides of the supporting frame 2 to ensure the stability of the whole when in use. Larger heavy objects can be transported, and an anti-sliding block is installed on the outside of the conveyor belt to prevent objects from slipping when moving. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is the overall structure diagram of the utility model;

[0019] Figure 2 This is the overall internal structure diagram of the utility model;

[0020] Figure 3 This is the internal structure diagram of the mobile cylinder of the utility model;

[0021] Figure 4 This is a top view of the structure of the fixing frame of the utility model;

[0022] Figure 5 For this utility model Figure 4 Enlarged view of point A in the middle;

[0023] Figure 6 This is a structural diagram of the main components of the utility model.

[0024] In the figure: 1. fixed frame; 2. driving shaft; 3. conveyor belt; 4. fixed plate; 5. threaded rod; 6. moving plate; 7. control shaft; 8. moving shaft; 9. support frame 1; 10. fixed cylinder; 11. moving cylinder; 12. mounting cylinder; 13. clamping plate; 14. auxiliary shaft 1; 15. auxiliary shaft 2; 16. motor No. 1; 17. motor No. 2; 18. connecting belt; 19. fixing hole; 20. spring; 21. mounting block; 22. support frame 2; 23. supporting leg. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] like Figure 1 - Figure 6 As shown, the utility model provides a technical solution: a heavy object stair conveying device, including a fixed frame 1, the internal rotation of the fixed frame 1 is connected to a driving shaft 2, a No. 2 motor 17 is installed on the outside of the fixed frame 1, the output end of the No. 2 motor 17 is fixedly connected to the outer surface of the driving shaft 2, the No. 2 motor 17 can drive the driving shaft 2 to rotate, the outside of the driving shaft 2 is covered with a conveyor belt 3, the outside of the driving shaft 2 is covered with a connecting belt 18, the adjacent driving shafts 2 can be linked by the connecting belt 18, the stable control effect of the conveyor belt 3 during overall use can be improved, and an anti-sliding block is installed on the outside of the conveyor belt 3 to prevent objects from slipping when moving.

[0027] A fixing plate 4 is fixedly connected inside the fixing frame 1, and a threaded rod 5 is rotatably connected inside the fixing plate 4. A No. 1 motor 16 is installed outside the fixing plate 4. The output end of the No. 1 motor 16 is fixedly connected to the outer surface of the threaded rod 5. The No. 1 motor 16 can drive the threaded rod 5 to rotate. The threaded rod 5 is provided in multiple groups and arranged up and down.

[0028] The outer surface of the threaded rod 5 is threadedly connected to a movable plate 6, and the outer surface of the movable plate 6 is slidably connected to the inside of the fixed frame 1. The inner rotation of the movable plate 6 is connected to a control shaft 7, and the outer surface of the control shaft 7 is fixedly connected to a movable shaft 8. The movable shaft 8 and the movable plate 6 are both provided with two groups and arranged up and down. The outer surface of the conveyor belt 3 is slidably connected to the outer surface of the movable shaft 8. A slide groove is provided inside the movable shaft 8 to avoid obstruction when the anti-sliding block is rotated. The threaded rod 5 can drive the movable shaft 8 to move, and the length of the conveyor belt 3 located on the active shaft 2 can be controlled to change, so that the conveyor belt 3 can be adjusted and tightened synchronously when the overall length of the fixed frame 1 is adjusted. The internal rotation of the fixed frame 1 is connected to an auxiliary shaft 14, and the outer surface of the conveyor belt 3 is slidably connected to the outer surface of the auxiliary shaft 14. The auxiliary shaft 14 mainly plays a steering role for the conveyor belt 3, and can control the conveyor belt 3 to be normally connected to the movable shaft 8.

[0029] The internal rotation of the fixed frame 1 is connected with an auxiliary shaft 2 15, and the auxiliary shaft 2 15 is provided with two groups and is arranged up and down with the threaded rod 5 separated. The auxiliary shaft 2 15 can separate the conveyor belts 3 on the two groups of movable shafts 8 to ensure that more parts of the conveyor belts 3 can be stored and the space is effectively utilized.

[0030] A support frame 1 9 is installed inside the fixed frame 1, and a fixed cylinder 10 is fixedly connected to the outer surface of the fixed frame 1, and a moving cylinder 11 is slidably connected to the inside of the fixed cylinder 10, and a mounting block 21 is fixedly connected to the outer surface of the moving cylinder 11, and a support frame 22 is installed outside the mounting block 21. The conveyor belt 3 can be stably supported by the support frame 1 9 and the support frame 22, and the support frame 22 can be moved under the control of the moving cylinder 11. The movement of the support frame 22 can extend the overall working length of the fixed frame 1, which is convenient for the telescopic storage of the overall transmission device and the adjustment of the position of the support frame 22 according to the length of different stairs. Support legs 23 are installed under the moving cylinder 11, and the support frame 22 can be stably supported by the action of multiple groups of support legs 23.

[0031] The interior of the moving cylinder 11 is fixedly connected to the mounting cylinder 12, and the interior of the mounting cylinder 12 is slidably connected to the clamping plate 13. A fixing hole 19 is opened inside the moving cylinder 11, and the outer surface of the clamping plate 13 is slidably connected to the interior of the fixing hole 19. A spring 20 is fixedly connected to the inner wall of the mounting cylinder 12, and one end of the spring 20 is fixedly connected to the outer surface of the clamping plate 13. When the multi-section moving cylinder 11 is moved and adjusted, the clamping plate 13 can enter the interior of the fixing hole 19 under the action of the spring 20, and the position of the moving cylinder 11 can be fixed at this time.

[0032] Working principle: When installing the conveying device at the stairs, first move the moving cylinder 11 according to the length of the stairs. At this time, the moving cylinder 11 can move and drive the support frame 22 to move. The threaded rod 5 is controlled to move by the No. 1 motor 16. At this time, the threaded rod 5 can drive the moving shaft 8 to move, and the moving shaft 8 can be controlled to relax the conveyor belt 3. At this time, the support frame 22 can be normally controlled to extend the length of the entire stair conveying device. After adjusting the length, the threaded rod 5 is controlled to rotate in the opposite direction. At this time, the threaded rod 5 can tighten the conveyor belt 3 to prevent the conveyor belt 3 from being too loose during use.

Claims

1. A heavy object stair conveying device, comprising a fixed frame (1), characterized in that: The interior of the fixed frame (1) is rotatably connected to a driving shaft (2), the exterior of the driving shaft (2) is covered with a conveyor belt (3), the interior of the fixed frame (1) is fixedly connected to a fixed plate (4), the interior of the fixed plate (4) is rotatably connected to a threaded rod (5), the outer surface of the threaded rod (5) is threadedly connected to a moving plate (6), the interior of the moving plate (6) is rotatably connected to a control shaft (7), the outer surface of the control shaft (7) is fixedly connected to a moving shaft (8), the interior of the fixed frame (1) is installed with a support frame (9), the outer surface of the fixed frame (1) is fixedly connected to a fixed cylinder (10), the interior of the fixed cylinder (10) is slidably connected to a moving cylinder (11), the interior of the moving cylinder (11) is fixedly connected to a mounting cylinder (12), and the interior of the mounting cylinder (12) is slidably connected to a clamping plate (13).

2. A heavy object staircase conveying device according to claim 1, characterized in that: The outer surface of the movable plate (6) is slidably connected to the inside of the fixed frame (1), the movable shaft (8) and the movable plate (6) are both provided with two groups and arranged up and down, and the outer surface of the conveyor belt (3) is slidably connected to the outer surface of the movable shaft (8).

3. A heavy object staircase conveying device according to claim 1, characterized in that: The interior of the fixed frame (1) is rotatably connected to an auxiliary shaft (14), and the outer surface of the conveyor belt (3) is slidably connected to the outer surface of the auxiliary shaft (14).

4. A heavy object staircase conveying device according to claim 1, characterized in that: The interior of the fixing frame (1) is rotatably connected to an auxiliary shaft 2 (15), and the auxiliary shaft 2 (15) is provided with two groups and arranged up and down with the threaded rod (5) spaced apart. A motor 1 (16) is installed outside the fixing plate (4), and the output end of the motor 1 (16) is fixedly connected to the outer surface of the threaded rod (5).

5. A heavy object staircase conveying device according to claim 1, characterized in that: A second motor (17) is installed outside the fixing frame (1), the output end of the second motor (17) is fixedly connected to the outer surface of the driving shaft (2), and the outside of the driving shaft (2) is covered with a connecting belt (18).

6. A heavy object staircase conveying device according to claim 1, characterized in that: A fixing hole (19) is provided inside the movable cylinder (11), the outer surface of the clamping plate (13) is slidably connected to the inside of the fixing hole (19), a spring (20) is fixedly connected to the inner wall of the mounting cylinder (12), and one end of the spring (20) is fixedly connected to the outer surface of the clamping plate (13).

7. A heavy object staircase conveying device according to claim 1, characterized in that: The outer surface of the moving cylinder (11) is fixedly connected with a mounting block (21), the outside of the mounting block (21) is mounted with a second support frame (22), and a supporting leg (23) is mounted below the moving cylinder (11).