Discharging pipe buffering structure of bucket elevator

Abstract

The utility model relates to the technical field of bucket elevator equipment, in particular to a discharging pipe buffering structure of a bucket elevator, which comprises a buffering box, a discharging channel, a discharging pipe, a discharging pipe, a discharging pipe and a discharging pipe, the top end of the discharging channel is arranged to be an arc face matched with the arc face of the outer wall of the bottom end of the buffer box, the outer wall of the bottom end of the buffer box is rotatably sleeved with the top end of the discharging channel, an arc-shaped guide groove is formed in the discharging channel, a transverse threaded rod is fixedly arranged on the outer wall of the bottom end of the buffer box, and a discharging groove is formed in the bottom end of the transverse threaded rod. The transverse threaded rod penetrates through the arc-shaped guide groove and is locked through a first nut. Through the arrangement of the buffer mechanism, the impact force of materials poured from the discharging assembly of the bucket elevator can be effectively buffered step by step through the buffer mechanism, so that the direct impact of the materials on a subsequent discharging pipe is remarkably reduced, and the abrasion and damage of the discharging pipe are greatly relieved.

Description

Technical Field

[0001] This utility model relates to the field of bucket elevator equipment technology, and in particular to a buffer structure for the discharge pipe of a bucket elevator. Background Technology

[0002] Bucket elevators, as crucial vertical conveying equipment, play an irreplaceable role in lifting bulk materials such as coal, ore, and grain. Traditional bucket elevator discharge systems typically guide material discharged from the buckets directly into the discharge pipe. However, due to the potential energy accumulated during the lifting process, the material experiences significant impact upon descent. Over time, this direct impact causes severe wear on the discharge pipe, potentially leading to deformation and cracking. Frequent maintenance and replacement not only increase operating costs but also severely impact the continuous and stable operation of the production line. Furthermore, actual production sites often exhibit complex conditions and diverse external feeding pipe layouts, demanding greater flexibility in adjusting the angle and position of the discharge pipe. However, existing discharge pipe structures are typically simple in design for angle adjustment, with limited adjustment ranges, making it difficult to quickly and easily adapt to different site installation requirements, resulting in poor overall equipment versatility and adaptability. Therefore, improvements to existing technologies are urgently needed to address these issues. Utility Model Content

[0003] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a buffer structure for the discharge pipe of a bucket elevator.

[0004] To achieve the above objectives, the technical solution adopted by the present invention is as follows: a buffer structure for the discharge pipe of a bucket elevator, comprising a buffer box, the top of which is used to connect to the discharge assembly of the bucket elevator, and the bottom outer wall of the buffer box is set as an arc surface, further comprising:

[0005] The discharge channel has an arc-shaped top end that matches the arc-shaped surface of the bottom outer wall of the buffer box. The top end of the discharge channel is rotatably fitted onto the bottom outer wall of the buffer box. The discharge channel is provided with an arc-shaped guide groove. A horizontal threaded rod is fixedly provided on the bottom outer wall of the buffer box. The horizontal threaded rod passes through the arc-shaped guide groove and is locked by a nut to fix the discharge channel at a set angle.

[0006] The discharge pipe has its top end connected to a fixing ring at the lower end of the discharge channel via a threaded connection. The fixing ring has an arc-shaped mounting groove. A vertical threaded rod is fixedly installed at the top end of the discharge pipe. The vertical threaded rod passes through the arc-shaped mounting groove and is locked by a nut to fix the discharge pipe at a set angle.

[0007] At least one buffer mechanism is disposed inside the buffer box and below the top of the buffer box for buffering material falling from the bucket elevator discharge assembly.

[0008] Preferably, an inclined feed guide plate is provided inside the top of the buffer box, which is used to guide the material falling from the bucket elevator discharge assembly into the interior of the buffer box.

[0009] Preferably, the buffer mechanism includes a buffer plate, a slide rod, a spring, and a sleeve. The buffer plate is rotatably connected to the inner wall of the buffer box, the sleeve is rotatably connected to the inner wall of the buffer box, the slide rod is slidably disposed inside the sleeve, and the upper end of the slide rod is rotatably connected to the buffer plate. The spring is sleeved on the slide rod and the sleeve, one end of the spring is fixedly connected to the slide rod, and the other end of the spring is fixedly connected to the sleeve.

[0010] Preferably, there are multiple buffer mechanisms, which are spaced apart from top to bottom along the height direction of the buffer box.

[0011] Preferably, the area of ​​the buffer plates of the plurality of buffer mechanisms decreases progressively along the material falling direction.

[0012] Preferably, the buffer plate is an inclined guide plate, and the multiple buffer plates are inclined in the same direction.

[0013] Preferably, the fixing ring is fixed to the lower outer wall of the discharge channel by welding.

[0014] Preferably, there are two arc-shaped guide grooves, which are symmetrically arranged on both sides of the discharge channel.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] This invention innovatively sets up a buffer box and a discharge channel between the discharge component and the external feeding pipe of the bucket elevator, and cleverly sets up a buffer mechanism inside the buffer box. The buffer mechanism can effectively buffer the impact force of the material pouring down from the discharge component of the bucket elevator in stages, thereby significantly reducing the direct impact of the material on the subsequent discharge pipe, greatly reducing the wear and damage of the discharge pipe, effectively extending the service life of the discharge pipe, and significantly reducing the maintenance cost of the equipment. It also strongly ensures the continuous and stable operation of the production line and improves production efficiency.

[0017] Furthermore, the ingenious design of the arc-shaped surface matching structure between the discharge channel and the bottom of the buffer box, combined with the synergistic effect of the arc-shaped guide groove and the horizontal threaded rod, innovatively achieves flexible and adjustable angle of the discharge channel. At the same time, through the threaded connection between the top of the discharge pipe and the fixing ring, and the ingenious cooperation between the arc-shaped mounting groove and the vertical threaded rod, the horizontal position of the discharge pipe is further conveniently adjustable. This allows the discharge pipe to flexibly and quickly adjust its angle and position according to the actual connection requirements of the external feeding pipeline, greatly improving the flexibility and convenience of equipment use. It can better meet the connection requirements under various complex working conditions and has a wider range of applicability. Attached Figure Description

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

[0019] Figure 2 This is an exploded view of the present invention.

[0020] Figure 3 This is an overall sectional view of the present invention;

[0021] Figure 4 This is a schematic diagram of the connection between the buffer plate and the slide bar of this utility model.

[0022] In the diagram: 1. Buffer box; 2. Discharge channel; 3. Fixing ring; 4. Discharge pipe; 5. Arc-shaped guide groove; 6. Horizontal threaded rod; 7. Nut 1; 8. Arc-shaped mounting groove; 9. Vertical threaded rod; 10. Nut 2; 11. Feed guide plate; 12. Buffer mechanism; 1201. Buffer plate; 1202. Slide rod; 1203. Spring; 1204. Sleeve. Detailed Implementation

[0023] The following description is intended to disclose the present invention so that those skilled in the art can implement it. The preferred embodiments described below are merely examples, and other obvious variations will occur to those skilled in the art.

[0024] In the field of vertical conveying of bulk materials, bucket elevators are widely used due to their simple structure and high conveying efficiency. However, the discharge system of traditional bucket elevators has inherent defects. For a long time, the material discharged from the bucket elevator has directly impacted the discharge pipe. The strong impact force not only causes the discharge pipe to wear and be damaged easily, resulting in high maintenance costs, but also affects the continuity of production due to frequent repairs and replacements. In addition, the existing discharge structure lacks the flexibility to adjust to complex and ever-changing on-site conditions, making it difficult to adapt to the diverse layout requirements of external feeding pipelines. In order to overcome the above-mentioned limitations of the prior art, this application proposes a discharge pipe buffer structure for bucket elevators, aiming to provide a discharge pipe buffer solution that can effectively buffer material impact and has flexible angle and position adjustment capabilities.

[0025] like Figures 1 to 4 The diagram shows a buffer structure for the discharge pipe of a bucket elevator, including a buffer box 1. The top of the buffer box 1 is connected to the discharge assembly of the bucket elevator, and the bottom outer wall of the buffer box 1 is an arc surface. It also includes:

[0026] The top of the discharge channel 2 is set to be an arc surface that matches the arc surface of the bottom outer wall of the buffer box 1, and the top of the discharge channel 2 is rotatably fitted onto the bottom outer wall of the buffer box 1. The discharge channel 2 is provided with an arc-shaped guide groove 5, and a horizontal threaded rod 6 is fixedly provided on the bottom outer wall of the buffer box 1. The horizontal threaded rod 6 passes through the arc-shaped guide groove 5 and is locked by a nut 7 to fix the discharge channel 2 at a set angle.

[0027] The top end of the discharge pipe 4 is installed on the fixing ring 3 at the lower end of the discharge channel 2 by means of threaded connection, and the fixing ring 3 is provided with an arc-shaped mounting groove 8. The top end of the discharge pipe 4 is fixedly provided with a vertical threaded rod 9, which passes through the arc-shaped mounting groove 8 and is locked by nut 10 to fix the discharge pipe 4 at a set angle.

[0028] At least one buffer mechanism 12 is disposed inside the buffer box 1 and located below the top of the buffer box 1, for buffering the material falling from the discharge assembly of the bucket elevator.

[0029] During operation, the bottom outer wall of the buffer box 1 is specially designed as an arc surface, which provides a structural basis for adjusting the angle of the discharge channel 2. The top of the discharge channel 2 is correspondingly designed as an arc surface that matches the arc surface of the bottom outer wall of the buffer box 1, allowing the discharge channel 2 to fit tightly against the bottom of the buffer box 1 and rotate around the arc surface. To fix the angle of the discharge channel 2, this application also includes an arc-shaped guide groove 5, a horizontal threaded rod 6, and a nut 7. The arc-shaped guide groove 5 is located on the side wall of the discharge channel 2, the horizontal threaded rod 6 is fixed to the bottom outer wall of the buffer box 1 and passes through the arc-shaped guide groove 5, and is finally locked by the nut 7. By loosening the nut 7, the discharge channel 2 can be rotated, allowing it to slide along the arc surface of the bottom outer wall of the buffer box 1, thereby adjusting the angle of the discharge channel 2. After adjusting to the desired angle, tightening the nut 7 will fix the discharge channel 2. Furthermore, to adjust the horizontal position of the discharge pipe 4, the top end of the discharge pipe 4 is installed at the bottom end of the discharge channel 2 via a threaded connection, and an arc-shaped mounting groove 8 is provided on the outer wall of the bottom end of the discharge channel 2. Specifically, the discharge pipe 4 is installed on the fixing ring 3 at the lower end of the discharge channel 2, the arc-shaped mounting groove 8 is provided on the fixing ring 3, and a vertical threaded rod 9 is fixedly installed at the top end of the discharge pipe 4. The vertical threaded rod 9 passes through the arc-shaped mounting groove 8 and is locked by a second nut 10. By loosening the second nut 10, the discharge pipe 4 can be rotated, causing the vertical threaded rod 9 to move within the arc-shaped mounting groove 8, thereby adjusting the horizontal position of the discharge pipe 4. After adjustment, tightening the second nut 10 will fix the position of the discharge pipe 4. In addition, to effectively buffer the impact force of the material, at least one buffer mechanism 12 is provided inside the buffer box 1. The buffer mechanism 12 is located below the top of the buffer box 1 and is used to buffer the material falling from the discharge pipe of the bucket elevator.

[0030] In operation, first, securely connect the top of the buffer tank 1 to the discharge assembly of the bucket elevator to ensure that the material can smoothly enter the buffer tank 1. Then, based on the actual position of the external feeding pipe, adjust the angle of the discharge channel 2 and the horizontal position of the discharge pipe 4 to precisely align the discharge port of the discharge pipe 4 with the external feeding pipe. After the material falls from the bucket elevator's discharge assembly into the buffer tank 1, it first impacts the buffer mechanism 12. The buffer mechanism 12 effectively absorbs and dissipates the impact energy of the material, greatly reducing the impact force on the subsequent discharge pipe 4. After buffering, the material is smoothly discharged through the discharge channel 2 and the discharge pipe 4, finally entering the external feeding pipe. Throughout the process, the buffer mechanism 12 plays a crucial protective role, and its adjustable angle and position design ensures the flexibility and convenience of equipment installation and use.

[0031] As one embodiment of this utility model, an inclined feed guide plate 11 is provided inside the top of the buffer box 1. The feed guide plate 11 is used to guide the material falling from the bucket elevator discharge assembly into the interior of the buffer box 1. During operation, by providing an inclined feed guide plate 11 inside the top of the buffer box 1, the material pouring down from the bucket elevator discharge pipe can be guided more effectively to accurately enter the interior space of the buffer box 1, avoiding direct impact on the inner wall of the buffer box 1 during the process of entering the buffer box 1, reducing friction and collision between the material and the inner wall of the buffer box 1, thereby reducing the breakage rate of the material, and also helping to improve the reliability and buffering effect of the overall buffer structure.

[0032] In one embodiment of this utility model, the buffer mechanism 12 includes a buffer plate 1201, a slide rod 1202, a spring 1203, and a sleeve 1204. The buffer plate 1201 is rotatably connected to the inner wall of the buffer box 1, and the sleeve 1204 is rotatably connected to the inner wall of the buffer box 1. The slide rod 1202 is slidably disposed inside the sleeve 1204, and the upper end of the slide rod 1202 is rotatably connected to the buffer plate 1201. The spring 1203 is sleeved on the slide rod 1202 and the sleeve. On 1204, one end of spring 1203 is fixedly connected to slide rod 1202, and the other end of spring 1203 is fixedly connected to sleeve 1204. During operation, spring 1203 is sleeved on slide rod 1202 and is confined between buffer plate 1201 and sleeve 1204. When buffer plate 1201 is impacted by material, it will compress spring 1203, converting the impact energy into the elastic potential energy of spring 1203 and storing it, thereby playing the role of buffering and absorbing energy.

[0033] In one embodiment of this utility model, there are multiple buffer mechanisms 12, which are spaced apart from top to bottom along the height direction of the buffer box 1. During operation, to achieve a better buffering effect, multiple buffer mechanisms 12 can be arranged inside the buffer box 1. Figure 3 As shown, these buffer mechanisms 12 are not simply a single unit, but are arranged at certain intervals from top to bottom along the height of the buffer box 1. The specific number of buffer mechanisms 12 can be flexibly adjusted according to actual buffering needs; for example, it can be set to 2, 3, 4, or more. The spacing between two adjacent buffer mechanisms 12 can be equal or unequal, and can be optimized according to the height of the buffer box 1 and the impact characteristics of the material. Multiple buffer mechanisms 12 can adopt the same structural form or different structural forms. For example, the upper buffer mechanism 12 can use a spring 1203 with higher stiffness to buffer larger impact forces, while the lower buffer mechanism 12 can use a spring 1203 with lower stiffness to absorb the remaining impact energy. As an optional implementation, multiple buffer mechanisms 12 can be evenly distributed throughout the entire height range of the buffer box 1 to achieve uniform buffering of the material impact force.

[0034] Therefore, by setting multiple buffer mechanisms 12 and arranging them at intervals from top to bottom along the height of the buffer box 1, the impact force of the material can be buffered step by step. When the material falls from the discharge pipe of the bucket elevator, it first impacts the uppermost buffer mechanism 12, where a portion of the impact energy is absorbed. The remaining impact force is then transmitted to the lower buffer mechanism 12 and further absorbed, and so on, until the material reaches the discharge pipe 4, at which point its impact force has been greatly reduced. Compared to a scheme with only a single buffer mechanism 12, this scheme can more effectively disperse and absorb the impact energy of the material, thereby providing more comprehensive protection for the subsequent discharge pipe 4 and further improving the buffering performance and reliability of the overall buffer structure.

[0035] In one embodiment of this utility model, the area of ​​the buffer plates 1201 of the multiple buffer mechanisms 12 gradually decreases along the material falling direction. During operation, by setting the area of ​​the buffer plates 1201 of the multiple buffer mechanisms 12 to gradually decrease along the material falling direction, the upper buffer mechanism 12 can intercept and buffer most of the material, reducing the material impact on the lower buffer mechanism 12 and avoiding excessive buffering capacity of the lower buffer mechanism 12. This optimizes the structural design of the buffer mechanism 12 while ensuring the buffering effect, improving buffering efficiency and material utilization. Compared to solutions with the same buffer plate 1201 area, this solution can more precisely match the buffering capacity of the buffer mechanism 12 with the impact force of the material, achieving a more efficient and economical buffering effect.

[0036] In one embodiment of this utility model, the buffer plate 1201 is an inclined guide plate, and the inclination direction of multiple buffer plates 1201 is the same. By designing the buffer plate 1201 as an inclined guide plate and ensuring that the inclination direction of multiple buffer plates 1201 is consistent, the material can be effectively guided to slide inside the buffer box 1 along a predetermined trajectory, avoiding disorderly accumulation or blockage of material inside the buffer box 1, ensuring smooth material flow, and improving buffering efficiency. At the same time, the inclined guide plate also helps to concentrate and guide the material to the effective buffering area of ​​the buffer mechanism 12, further improving the overall buffering effect of the buffer mechanism 12. Compared with the horizontally arranged buffer plate 1201, this solution can better optimize the flow state of the material inside the buffer box 1, achieving a more efficient and reliable buffering effect.

[0037] In one embodiment of this utility model, the fixing ring 3 is fixed to the lower outer wall of the discharge channel 2 by welding. By fixing the fixing ring 3 to the lower outer wall of the discharge channel 2 by welding, the advantages of high welding strength and non-loosening can be fully utilized to ensure that a firm and reliable connection is formed between the fixing ring 3 and the discharge channel 2, avoiding loosening or falling off during use, thereby improving the overall structural strength and operational reliability of the device and extending the service life of the equipment.

[0038] In one embodiment of this utility model, there are two arc-shaped guide grooves 5, symmetrically arranged on both sides of the discharge channel 2. By setting two symmetrically distributed arc-shaped guide grooves 5, the transverse threaded rod 6 can form a symmetrical guiding and limiting cooperation with the discharge channel 2, ensuring the balance and stability of the discharge channel 2 during angle adjustment. This makes the angle adjustment operation smoother and avoids the jamming or skew problems that may be caused by unilateral guidance, thus improving the reliability and user experience of the angle adjustment mechanism. Compared with the solution of setting only one or asymmetrically arranged arc-shaped guide grooves 5, this solution can provide a more stable and reliable structural support for the angle adjustment of the discharge channel 2, optimizing the performance of angle adjustment.

[0039] Working principle of this utility model:

[0040] In use, first connect the top of the buffer box 1 to the discharge assembly of the bucket elevator with bolts, and then connect the bottom of the discharge pipe 4 to the external feeding pipe. The material falling from the discharge pipe of the bucket elevator will first fall onto the uppermost buffer plate 1201 via the feed guide plate 11. At this time, the slide rod 1202 can slide and extend flexibly within the sleeve 1204, and the spring 1203 plays a buffering role, effectively reducing the impact force of the material on the buffer plate 1201. Moreover, through the multiple buffer mechanisms 12 set from top to bottom, the impact force of the material can be buffered in sequence, which greatly reduces the impact force of the material falling from the discharge pipe of the bucket elevator on the subsequent discharge pipe 4. When it is necessary to adjust the angle of the discharge channel 2, first loosen the nut 7, and then rotate the discharge channel 2. The inner wall of the discharge channel 2 and the buffer box The bottom outer wall of the 1st section has a matching arc surface, which allows the discharge channel 2 to rotate a certain angle along the bottom of the buffer box 1, changing the angle of the discharge channel 2. During this process, the horizontal threaded rod 6 will always remain in the arc-shaped guide groove 5. When the discharge channel 2 is adjusted to the required angle, stop rotating and tighten the nut 7 to press and fix the discharge channel 2, keeping it at the current angle. If the discharge pipe 4 needs to be rotated horizontally, loosen the nut 10 and then rotate the discharge pipe 4, so that the position of the vertical threaded rod 9 in the arc-shaped mounting groove 8 changes accordingly, thereby adjusting the discharge port of the discharge pipe 4 to the required position. In this way, the discharge pipe 4 can be flexibly adjusted to a suitable position according to the connection requirements of the external feeding pipe, better meeting the connection requirements of the external feeding pipe.

[0041] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A buffer structure for the discharge pipe of a bucket elevator, comprising a buffer box (1), the top of which is connected to the discharge assembly of the bucket elevator, and the bottom outer wall of the buffer box (1) is configured as an arc surface, characterized in that, Also includes: The top of the discharge channel (2) is set to be an arc surface that matches the arc surface of the bottom outer wall of the buffer box (1), and the top of the discharge channel (2) is rotatably fitted on the bottom outer wall of the buffer box (1). An arc-shaped guide groove (5) is provided on the discharge channel (2), and a horizontal threaded rod (6) is fixedly provided on the bottom outer wall of the buffer box (1). The horizontal threaded rod (6) passes through the arc-shaped guide groove (5) and is locked by a nut (7) to fix the discharge channel (2) at a set angle. The top end of the discharge pipe (4) is installed on the fixing ring (3) at the lower end of the discharge channel (2) by means of threaded connection, and the fixing ring (3) is provided with an arc-shaped mounting groove (8). The top end of the discharge pipe (4) is fixedly provided with a vertical threaded rod (9). The vertical threaded rod (9) passes through the arc-shaped mounting groove (8) and is locked by the second nut (10) to fix the discharge pipe (4) at a set angle. At least one buffer mechanism (12) is disposed inside the buffer box (1) and located below the top of the buffer box (1) for buffering the material falling from the bucket elevator discharge assembly.

2. The discharge pipe buffer structure of the bucket elevator according to claim 1, characterized in that, An inclined feed guide plate (11) is provided inside the top of the buffer box (1). The feed guide plate (11) is used to guide the material falling from the bucket elevator discharge assembly into the interior of the buffer box (1).

3. The discharge pipe buffer structure of the bucket elevator according to claim 1, characterized in that, The buffer mechanism (12) includes a buffer plate (1201), a slide rod (1202), a spring (1203), and a sleeve (1204). The buffer plate (1201) is rotatably connected to the inner wall of the buffer box (1). The sleeve (1204) is rotatably connected to the inner wall of the buffer box (1). The slide rod (1202) is slidably disposed inside the sleeve (1204), and the upper end of the slide rod (1202) is rotatably connected to the buffer plate (1201). The spring (1203) is sleeved on the slide rod (1202) and the sleeve (1204). One end of the spring (1203) is fixedly connected to the slide rod (1202), and the other end of the spring (1203) is fixedly connected to the sleeve (1204).

4. The discharge pipe buffer structure of the bucket elevator according to claim 3, characterized in that, The number of buffer mechanisms (12) is multiple, and the multiple buffer mechanisms (12) are arranged at intervals from top to bottom along the height direction of the buffer box (1).

5. The discharge pipe buffer structure of the bucket elevator according to claim 4, characterized in that, The area of ​​the buffer plate (1201) of the plurality of buffer mechanisms (12) decreases gradually along the material falling direction.

6. The discharge pipe buffer structure of the bucket elevator according to any one of claims 3-5, characterized in that, The buffer plate (1201) is an inclined guide plate, and the multiple buffer plates (1201) have the same inclination direction.

7. The discharge pipe buffer structure of the bucket elevator according to claim 1, characterized in that, The fixing ring (3) is fixed to the lower outer wall of the discharge channel (2) by welding.

8. The discharge pipe buffer structure of the bucket elevator according to claim 1, characterized in that, There are two arc-shaped guide grooves (5), which are symmetrically arranged on both sides of the discharge channel (2).

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