A belt conveyor maintenance crossover ladder device

Abstract

The utility model discloses a kind of for belt conveyor maintenance crossing ladder device, it is related to belt conveyor technical field, including crossing ladder bottom plate and maintenance platform, the lower surface of maintenance platform is provided with DC motor, the output rotating shaft of DC motor is provided with power swing rod, one end of power swing rod is provided with linkage crank rod, one end of linkage crank rod is arranged in the inner wall of auxiliary platform, the top of auxiliary platform is provided with side guard bar, the upper surface of maintenance platform is respectively provided with access guard bar and main guard bar.The application can effectively increase the operable range of the maintenance platform by the setting of the maintenance platform, the DC motor, the power swing rod, the linkage crank rod, the auxiliary platform, the side guard bar, the access guard bar, the main guard bar and the limiting block, solves the problem that multiple people or large tools cannot be accommodated, resulting in the need for step-by-step complex maintenance tasks, low efficiency and hindering normal use of tools, and enhances the practical effect.

Description

Technical Field

[0001] This utility model relates to the field of belt conveyor technology, specifically a belt conveyor maintenance lap ladder device. Background Technology

[0002] Belt conveyors are suitable for conveying bulk materials and packaged goods horizontally and at an incline, and can also be used in assembly lines for certain processes. They have a simple structure, stable and reliable operation, strong adaptability to materials, large conveying capacity, low power consumption, and wide application.

[0003] A search revealed that Chinese Patent CN220451372U discloses a conveyor belt maintenance staircase, comprising a ground beam and a first and second column vertically mounted thereon. Maintenance platforms are located at the upper ends of the first and second columns. A ladder beam is positioned between the bottom of the first column and the ground beam. Several stair treads are mounted on the ladder beam. Rollers are installed at the bottom of the ground beam, and top-mounted brakes are located at both ends of the bottom of the ground beam, positioned on either side of the rollers. Anti-slip ropes or burlap sacks are provided on the stair treads, and safety kick plates are installed at the front ends of the stair treads. This utility model is suitable for the complex environment of conveyor belt maintenance in stone quarries, providing a secure fixation and facilitating conveyor belt maintenance.

[0004] While the above solutions offer the advantages of secure fixation and ease of maintenance of belt conveyors, they do not significantly increase the operational range of the maintenance platform. A narrow maintenance platform may hinder the normal use of tools, increase the probability of misoperation, and cannot accommodate multiple people or large tools, resulting in complex maintenance tasks needing to be performed in stages, leading to low efficiency. Therefore, we provide a belt conveyor maintenance lap ladder device to solve the above problems. Utility Model Content

[0005] The purpose of this invention is to provide a ladder device for belt conveyor maintenance, in order to solve the problems raised in the prior art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a cross ladder device for belt conveyor maintenance, comprising a cross ladder base plate and a maintenance platform. A DC motor is installed on the lower surface of the maintenance platform, and a power swing rod is installed on the output shaft of the DC motor. A linkage crank is installed at one end of the power swing rod, and one end of the linkage crank is installed on the inner wall of an auxiliary platform. A side guardrail is installed on the top of the auxiliary platform. An entrance guardrail and a main guardrail are respectively installed on the upper surface of the maintenance platform. The close cooperation between the components can increase the operability of the maintenance platform.

[0007] Preferably, the inner wall of the maintenance platform is provided with a limit block, which is located in the side groove of the auxiliary platform. By moving the auxiliary platform, the operability range of the maintenance platform can be increased.

[0008] Preferably, the lower surface of the maintenance platform is provided with a platform support frame, which is set on the upper surface of the ladder bottom plate. The setting of the ladder bottom plate can ensure the overall stability of the device.

[0009] Preferably, a stair tread is provided between the bottom plate of the escalator and the maintenance platform, and a stair handrail is provided between the bottom plate of the escalator and the access railing. The stair handrail can protect the personnel going up and down the maintenance platform.

[0010] Preferably, the bottom plate of the ladder is provided with an I-shaped mounting block, and the bottom of the I-shaped mounting block is provided with rollers. The rollers allow the entire device to move more smoothly.

[0011] Preferably, the upper surface of the bottom plate of the ladder is provided with a threaded support block, and the inner wall of the threaded support block is provided with a one-way bolt. The one-way bolt can change the position of the limiting block.

[0012] Preferably, one end of the one-way bolt is provided with a limiting plug, which is inserted into the slot opened in the I-shaped mounting block. The limiting plug can restrict the I-shaped mounting block and ensure that the I-shaped mounting block is stable and does not move.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. This application, through the setting of a maintenance platform, DC motor, power swing arm, linkage crank, auxiliary platform, side guardrail, access guardrail, main guardrail, and limit block, can effectively increase the operability of the maintenance platform, solve the problem that it cannot accommodate multiple people or large tools, which leads to complex maintenance tasks having to be carried out in steps, resulting in low efficiency and hindering the normal use of tools, thus enhancing the practical effect.

[0015] 2. By incorporating the stair base plate, platform support frame, stair treads, stair handrails, I-shaped mounting blocks, rollers, threaded support blocks, one-way bolts, and limit blocks, this application allows the device to move flexibly, reducing the burden on workers moving the entire device and protecting workers going up and down the maintenance platform, thus enhancing safety. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a three-dimensional structural diagram of the maintenance platform of this utility model;

[0018] Figure 3 This is a three-dimensional structural diagram of the internal structure of the maintenance platform of this utility model;

[0019] Figure 4This is a three-dimensional structural diagram of the internal structure of the auxiliary platform of this utility model;

[0020] Figure 5 This utility model Figure 1 A magnified structural diagram at point A;

[0021] Figure 6 This is a three-dimensional structural diagram of the I-shaped mounting block of this utility model;

[0022] Figure 7 This is an exploded view of the guardrail of this utility model.

[0023] The following are labeled in the diagram: 1. Crossing ladder base plate; 2. Maintenance platform; 3. DC motor; 4. Power swing arm; 5. Linkage crank; 6. Auxiliary platform; 7. Side railing; 8. Entrance / exit railing; 9. Main railing; 10. Limit block; 11. Platform support frame; 12. Stair tread; 13. Stair handrail; 14. I-shaped mounting block; 15. Roller; 16. Threaded support block; 17. One-way bolt; 18. Limiting insert. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] This utility model provides a technical solution for a belt conveyor maintenance lap ladder device.

[0026] Please see Figure 1 and Figure 5 The system includes a base plate 1 spanning the ladder and a maintenance platform 2. A threaded support block 16 is fixedly connected to the upper surface of the base plate 1. A one-way bolt 17 is threadedly connected to the inner wall of the threaded support block 16. The purpose of setting the threaded support block 16 and the one-way bolt 17 is that, through the threaded engagement of the threaded support block 16 and the one-way bolt 17, when the one-way bolt 17 rotates, the position of the one-way bolt 17 itself will change, thereby changing the position of the limit block 18.

[0027] Please see Figure 1 and Figure 5One end of the one-way bolt 17 is fixedly connected to the limit plug 18. The one-way bolt 17 and the limit plug 18 are in a direct connection state and maintain a linkage effect. The limit plug 18 is inserted into the slot opened in the I-shaped mounting block 14. The purpose of setting the limit plug 18 is to effectively control the I-shaped mounting block 14, ensure the stability of the I-shaped mounting block 14, and prevent it from rotating arbitrarily. It is worth mentioning that the limit plug 18 needs to be used in conjunction with the external ground fixing device. The main purpose of the fixing device is to prevent the roller 15 from rotating on its own.

[0028] Please see Figure 1 , Figure 5 and Figure 6 The bottom plate 1 of the lap ladder is rotatably connected to an I-shaped mounting block 14. The bottom plate 1 of the lap ladder supports the I-shaped mounting block 14 and applies a position control effect to ensure that the I-shaped mounting block 14 can rotate in place. The bottom of the I-shaped mounting block 14 is provided with rollers 15. The purpose of setting the rollers 15 is to reduce the frictional resistance between the lap ladder device and the ground, which is conducive to the flexible movement of the lap ladder device, so that the lap ladder device can reach the designated belt conveyor maintenance location more quickly.

[0029] Please see Figure 1 A stair tread 12 is fixedly connected between the bottom plate 1 of the cross ladder and the maintenance platform 2. The purpose of setting the stair tread 12 is to facilitate workers to enter the maintenance platform 2. A stair handrail 13 is fixedly connected between the bottom plate 1 of the cross ladder and the access railing 8. The purpose of setting the stair handrail 13 is to ensure the personal safety of workers when they walk on the stair tread 12, greatly reduce the probability of workers falling off the stair tread 12, and improve safety.

[0030] Please see Figure 1 The lower surface of the maintenance platform 2 is fixedly connected to a platform support frame 11, which is fixedly connected to the upper surface of the bottom plate of the ladder. The purpose of setting the platform support frame 11 is to effectively support the maintenance platform 2 and ensure its stability, so that the maintenance platform 2 will not shake or overturn.

[0031] Please see Figure 4 The inner wall of the maintenance platform 2 is fixedly connected to a limit block 10, which is slidably connected in the side groove of the auxiliary platform 6. The purpose of setting the limit block 10 is to limit the maximum movable distance of the auxiliary platform 6, thus solving the problem that the auxiliary platform 6 may fall off the maintenance platform 2 due to excessive movement.

[0032] Please see Figure 2 and Figure 3A DC motor 3 is fixedly connected to the lower surface of the maintenance platform 2. The output shaft of the DC motor 3 is fixedly connected to the power swing arm 4. The purpose of setting the DC motor 3 is to provide sufficient power support for the movement of the power swing arm 4. The DC motor 3 is a known technology. This application will not elaborate on the model of the DC motor 3.

[0033] Please see Figure 3 and Figure 4 One end of the power swing arm 4 is rotatably connected to the linkage crank 5, and one end of the linkage crank 5 is rotatably connected to the inner wall of the auxiliary platform 6. The close cooperation between the power swing arm 4, the linkage crank 5, and the auxiliary platform 6, and the contact between the outer wall of the auxiliary platform 6 and the inner wall of the maintenance platform 2, allows the maintenance platform 2 to exert a control effect on the auxiliary platform 6, so that the auxiliary platform 6 can only move horizontally within the maintenance platform 2. Therefore, when the power swing arm 4 moves, it can change the position of the auxiliary platform 6 through the linkage crank 5, so that the auxiliary platform 6 extends out of the maintenance platform 2, thereby changing the original fixed operating range of the maintenance platform 2 and increasing the space available for operation by the staff.

[0034] Please see Figure 1 and Figure 2 The top of the auxiliary platform 6 is fixedly connected to the side guardrail 7. The auxiliary platform 6 and the side guardrail 7 are directly connected and maintain a linkage effect. When the position of the auxiliary platform 6 changes, it will drive the side guardrail 7 to move synchronously.

[0035] Please see Figure 1 , Figure 2 and Figure 7 The upper surface of the maintenance platform 2 is fixedly connected with the access guardrail 8 and the main guardrail 9. The side guardrail 7, the access guardrail 8 and the main guardrail 9 are designed to fit together. The side guardrail 7 can be inserted into the access guardrail 8 and the main guardrail 9 respectively. Even if the position of the side guardrail 7 changes, the side guardrail 7 can still play a protective role and protect the workers who are working, preventing them from falling from the maintenance platform 2.

[0036] Working Principle: During use, the design of the I-shaped mounting block 14 and rollers 15 allows the lap ladder device to quickly reach the designated maintenance position on the conveyor belt. Then, by manually rotating the one-way bolt 17, the threaded engagement of the threaded support block 16 causes the one-way bolt 17 to move the limiting insert 18. At this point, the limiting insert 18 can be inserted into the slot opened in the I-shaped mounting block 14. By restricting the I-shaped mounting block 14, the rollers 15 are prevented from turning arbitrarily. Furthermore, an external fixing device prevents the rollers 15 from rotating on their own, enhancing the stability of the lap ladder device. Workers can then perform maintenance work on the maintenance platform 2 simply by using the stair treads 12. The lap ladder device can be activated or deactivated according to its actual usage. The DC motor 3 operates, driving the power swing arm 4 to rotate in place within the maintenance platform 2. At this time, because the auxiliary platform 6, which is connected to the linkage crank 5, is restricted by the maintenance platform 2, the power swing arm 4 can push the auxiliary platform 6 outward through the linkage crank 5, and drive the side guardrail 7, which is connected to the auxiliary platform 6, to move synchronously. At this time, the side guardrail 7 slides within the entry / exit guardrail 8 and the main guardrail 9 respectively. When the limit block 10 blocks the auxiliary platform 6, the adjustment of the escalator device is completed, thereby increasing the operable range of the maintenance platform 2. At this time, the side guardrail 7 is still within the entry / exit guardrail 8 and the main guardrail 9 and has not completely detached. Through the cooperation of the side guardrail 7, the entry / exit guardrail 8, and the main guardrail 9, the protective effect of the adjusted maintenance platform 2 is enhanced.

[0037] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A belt conveyor maintenance crossover ladder device comprising a crossover ladder base plate (1) and a maintenance platform (2), characterized in that: The lower surface of the maintenance platform (2) is provided with a DC motor (3), the output shaft of the DC motor (3) is provided with a power swing rod (4), one end of the power swing rod (4) is provided with a linkage crank rod (5), one end of the linkage crank rod (5) is provided on the inner wall of the auxiliary platform (6), the top of the auxiliary platform (6) is provided with a side guardrail (7), and the upper surface of the maintenance platform (2) is provided with an entrance guardrail (8) and a main guardrail (9).

2. A belt maintenance crossover ladder device according to claim 1, wherein: The inner wall of the maintenance platform (2) is provided with a limit block (10), which is located in the side groove of the auxiliary platform (6).

3. A belt maintenance crossover ladder device as claimed in claim 1, wherein: The lower surface of the maintenance platform (2) is provided with a platform support frame (11), which is located on the upper surface of the bottom plate (1) of the cross ladder.

4. A belt maintenance crossover ladder device as claimed in claim 1, wherein: A stair tread (12) is provided between the bottom plate (1) of the cross ladder and the maintenance platform (2), and a stair handrail (13) is provided between the bottom plate (1) of the cross ladder and the access railing (8).

5. A belt maintenance crossover ladder device as claimed in claim 1, wherein: The bottom plate (1) of the cross ladder is provided with an I-shaped mounting block (14), and the bottom of the I-shaped mounting block (14) is provided with a roller (15).

6. A belt maintenance crossover ladder device as claimed in claim 1, wherein: The upper surface of the cross ladder base plate (1) is provided with a threaded support block (16), and the inner wall of the threaded support block (16) is provided with a one-way bolt (17).

7. A belt maintenance crossover ladder device according to claim 6, wherein: One end of the one-way bolt (17) is provided with a limiting plug (18), which is inserted into the slot opened in the I-shaped mounting block (14).

Images