A steel ball transfer bucket
By designing a steel ball transfer bucket with components such as a central shaft, unloading disc, and locking cone, the problems of unstable center of gravity and unloading safety during the transfer process were solved, achieving stable transfer and safe unloading, and reducing safety risks.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANDONG MEIGE INTELLIGENT TECH CO LTD
- Filing Date
- 2025-07-31
- Publication Date
- 2026-05-26
AI Technical Summary
The existing steel ball transfer process has problems such as unstable center of gravity, safety hazards, instantaneous tipping danger during unloading, and risk of ball jamming, which affect the safety of transfer and unloading.
A steel ball transfer bucket was designed, which uses components such as a central shaft, unloading disc, locking cone and weighing sensor. Through threaded connection and lug structure, it can achieve stable transfer and safe unloading. It is equipped with warning light and controller to prevent missed unloading of balls.
This ensures the stability and safety of the transfer process, avoids steel ball leakage and spillage, improves the convenience and safety of unloading, and reduces worker safety risks.
Smart Images
Figure CN224278436U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of grinding equipment, specifically relating to a steel ball transfer bucket. Background Technology
[0002] The statements in this section are merely background information related to this utility model and do not necessarily constitute prior art.
[0003] Currently, in the field of mineral processing, the key equipment for ore processing is the ball mill. The ball mill needs to continuously add steel balls as grinding media. At present, most mines purchase steel balls and store them in ball pools outside the workshop. According to the ball addition system, the corresponding number of steel balls are picked up from the ball pool on time, transported to the workshop through steel ball transfer buckets, and then lifted to the feeding port on the high-level platform by the workshop crane for addition.
[0004] Because the transfer of steel balls from outdoor to indoor loading points often requires both forklifts and overhead cranes, the steel ball transfer drums must be compatible with both types of handling equipment. Safety during the transfer process must also be considered. Conventional transfer drum designs only have a top lifting ring; when a forklift lifts the drum at a height, instability or drum rotation can easily occur, posing a significant safety hazard. When a transfer drum is fully loaded with steel balls, unloading often requires manual intervention to open the bottom gate, and the instantaneous discharge of steel balls poses a significant safety risk to workers. Furthermore, because some steel balls have irregular shapes, they can easily become stuck at the unloading port during unloading. If workers believe unloading is complete and lift the drum for transfer, the unloading port may not be fully closed, posing a risk of residual steel balls being discharged and endangering worker safety. Utility Model Content
[0005] To address the aforementioned problems, this utility model provides a steel ball transfer bucket that effectively prevents leakage during transfer and eliminates the need for personnel to approach or open the gate during unloading, ensuring safe and convenient unloading. It also effectively prevents the risk of residual steel balls being instantly discharged from the transfer bucket during recycling, thus protecting worker safety.
[0006] To achieve the above objectives, the present invention adopts the following technical solution:
[0007] A steel ball transfer bucket includes a bucket body, a central shaft, a discharge disc, a central shaft support, a central shaft fixing ring, and a locking cone; the central shaft is provided in the middle of the bucket body, the central shaft fixing ring is sleeved on the central shaft, and a plurality of central shaft supports are provided at intervals around the central shaft fixing ring; the discharge disc is provided at the lower end of the central shaft, and an external thread is formed on the outer surface of the middle part of the central shaft, and a locking cone is provided at the position of the external thread.
[0008] As a further technical solution, one end of the central shaft support is connected to the outer wall surface of the central shaft fixing ring, and the other end of the central shaft support is connected to the inner wall surface of the barrel.
[0009] As a further technical solution, the upper part of the barrel is a cylindrical structure, and the lower part of the barrel is a funnel-shaped structure.
[0010] As a further technical solution, the outer wall surface of the barrel is provided with lugs, the lugs are symmetrically arranged at both ends of the barrel, and the upper end of the lugs is provided with reinforcing ribs.
[0011] As a further technical solution, one end of the reinforcing rib is connected to the outer wall surface of the barrel, and the other end of the reinforcing rib is connected to the upper end surface of the lug.
[0012] As a further technical solution, a lifting ring is provided at the upper end of the central shaft, and the lifting ring and the central shaft are fixedly connected.
[0013] As a further technical solution, the unloading disc has a convex structure, and the diameter of the unloading disc is larger than the diameter of the bottom of the barrel; the unloading disc and the central shaft are connected by a nut.
[0014] As a further technical solution, the locking cone has an opening at its center, the diameter of which is larger than the diameter of the central shaft, and the inner wall of the opening of the locking cone is provided with an internal thread; the locking cone and the central shaft are connected by a thread.
[0015] As a further technical solution, the unloading disc has an internal cavity, and a lock nut is installed inside the cavity; the lock nut is installed on the central shaft, and a weighing sensor is installed at the lower end of the lock nut; a controller is installed at one end of the weighing sensor, and the controller is connected to the weighing sensor via a cable.
[0016] As a further technical solution, a warning light is provided on the central shaft, and the warning light is located at the lower end of the lifting ring; a cavity is provided inside the central shaft, and the warning light and the controller are connected by a cable, which passes through the cavity of the central shaft.
[0017] Compared with the prior art, the advantages and positive effects of this utility model are:
[0018] This utility model achieves material discharge through the cooperation of a barrel body, a central shaft, a discharge disc, a central shaft support, a central shaft fixing ring, and a locking cone. In use, balls are first loaded into the barrel body, and then the locking cone is tightened downwards. The weight of the steel balls causes the central shaft to move downwards. Because the locking cone contacts the central shaft fixing ring and is subjected to force, the separation of the discharge disc from the barrel wall is prevented, and the steel balls cannot flow out from the bottom. This completes the transfer of steel balls from outdoors to indoors, thereby ensuring the stability of the transfer and preventing leakage.
[0019] During unloading, the gantry crane lifts the transfer bucket from the lifting lugs and transfers it to the feed inlet of the high platform. The gantry crane descends until the lugs contact the platforms on both sides of the feed inlet, and continues to descend. The bucket wall stops descending due to the obstruction of the platforms by the lugs, and the unloading plate continues to fall under the pressure of the steel balls. When the gap between the unloading plate and the bucket wall is greater than the diameter of the steel balls, the steel balls are completely discharged into the ball filling port along the inclined surface of the unloading plate. The gantry crane rises until the unloading plate lifts the bucket wall and moves out of the feed inlet, completing the unloading. No personnel need to approach or open the gate during unloading, ensuring the safety and convenience of unloading.
[0020] This invention uses a weighing sensor, controller, and warning light to prevent omissions. When the ball unloading port of the transfer bucket is stuck and not closed, the weighing sensor detects that the weight exceeds the weight of the transfer bucket itself. The controller then issues an alarm signal, and the warning light below the lifting lug flashes, prompting the worker to perform a second operation to unload the transfer bucket until the unloading is complete. This effectively prevents the risk of steel balls remaining inside the transfer bucket being instantly unloaded during the recycling process, thus avoiding the danger to workers' safety. Attached Figure Description
[0021] The accompanying drawings, which form part of this specification, are used to provide a further understanding of this utility model. The illustrative embodiments of this utility model and their descriptions are used to explain this utility model and do not constitute an improper limitation of this utility model.
[0022] Figure 1 This is a structural diagram of the steel ball transfer bucket of this utility model;
[0023] Figure 2 This is a top view of the steel ball transfer bucket of this utility model;
[0024] In the diagram: 1. Barrel body; 2. Lug; 3. Central shaft; 4. Lifting ring; 5. Unloading tray; 6. Lock nut; 7. Central shaft fixing ring; 8. Central shaft support; 9. Locking cone; 10. Feed inlet; 11. Weighing sensor; 12. Controller; 13. Warning light. Detailed Implementation
[0025] It should be noted that the following detailed description is illustrative and intended to provide further explanation of the present invention. Unless otherwise specified, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains.
[0026] Because the transfer of steel balls from outdoor to indoor loading points often requires both forklifts and overhead cranes, the steel ball transfer drums must be compatible with both types of handling equipment. Safety during the transfer process must also be considered. Conventional transfer drum designs only have a top lifting ring; when a forklift lifts the drum at a height, instability or drum rotation can easily occur, posing a significant safety hazard. When a transfer drum is fully loaded with steel balls, unloading often requires manual intervention to open the bottom gate, and the instantaneous discharge of steel balls poses a significant safety risk to workers. Furthermore, because some steel balls have irregular shapes, they can easily become stuck at the unloading port during unloading. If workers believe unloading is complete and lift the drum for transfer, the unloading port may not be fully closed, posing a risk of residual steel balls being discharged and endangering worker safety.
[0027] The present invention will now be described in detail with reference to the accompanying drawings. This embodiment discloses a steel ball transfer bucket, such as... Figure 1 As shown, it includes a barrel body 1, a central shaft 3, a discharge disc 5, a central shaft support 8, a central shaft fixing ring 7, and a locking cone 9; the central shaft 3 is set in the middle of the barrel body 1, the central shaft fixing ring 7 is sleeved on the central shaft 3, and several central shaft supports 8 are set at intervals around the central shaft fixing ring 7; the discharge disc 5 is set at the lower end of the central shaft 3, the outer surface of the middle part of the central shaft 3 is opened with external threads, and the locking cone 9 is set at the position of the external threads.
[0028] Specifically, the material is discharged through the cooperation of the barrel body 1, central shaft 3, unloading disc 5, central shaft support 8, central shaft fixing ring 7, and locking cone 9. In use, the balls are first loaded into the barrel body 1, and then the locking cone 9 is tightened downwards. The unloading disc 5 is driven by the weight of the steel balls to move the central shaft 3 downwards. Because the locking cone 9 is in contact with the central shaft fixing ring 7, the unloading disc 5 is prevented from separating from the barrel wall, and the steel balls cannot flow out from the bottom. This completes the transfer of the steel balls from the outside to the inside, thereby ensuring the stability of the transfer and preventing leakage.
[0029] During unloading, the gantry crane lifts the transfer bucket from the lifting lugs and transfers it to the inlet 10 of the high platform. The gantry crane descends until the support lugs 2 contact the two sides of the platform at the inlet 10. It continues to descend, but the bucket wall stops descending due to the obstruction of the platform at the support lugs 2. The unloading plate 5 continues to fall under the pressure of the steel balls. When the gap between the unloading plate 5 and the bucket wall is greater than the diameter of the steel balls, the steel balls are completely discharged into the ball filling port along the inclined surface of the unloading plate 5. The gantry crane then moves upward until the unloading plate 5 lifts the bucket wall and moves out of the inlet 10, completing the unloading. No personnel need to approach or open the gate during unloading, ensuring the safety and convenience of unloading.
[0030] Specifically, the external thread shape matches the internal thread on the inner wall of the locking cone 9, and the thread arrangement area is consistent with the height of the locking cone 9, which facilitates its use in conjunction with the central shaft 3 and the locking cone 9.
[0031] like Figure 2As shown, one end of the central shaft support 8 is connected to the outer wall of the central shaft fixing ring 7, and the other end of the central shaft support 8 is connected to the inner wall of the barrel 1.
[0032] Specifically, two to four central shaft supports 8 can be installed to connect the barrel 1 and the central shaft 3. The central shaft supports 8 are spaced apart around the central shaft 3 so that the central shaft 3 is located in the center of the barrel 1 and ensures the stability of the central shaft 3 after installation.
[0033] The upper part of barrel 1 is a cylindrical structure, and the lower part of barrel 1 is a funnel-shaped structure.
[0034] Specifically, the volume of the barrel 1 is designed according to the amount of steel balls to be transferred, and the diameter of the bottom funnel outlet is designed according to the diameter of the steel balls to ensure smooth discharge of the steel balls. The inner wall of the funnel-shaped structure is inclined to facilitate the steel balls to slide into the feed inlet 10.
[0035] Lugs 2 are provided on the outer wall of the barrel body 1. The lugs 2 are symmetrically arranged at both ends of the barrel body 1, and a reinforcing rib is provided at the upper end of the lugs 2. One end of the reinforcing rib is connected to the outer wall of the barrel body 1, and the other end of the reinforcing rib is connected to the upper end of the lug 2.
[0036] Specifically, the lugs 2 are used to rest against the platforms on both sides of the inlet 10. When the barrel 1 continues to fall, the barrel wall stops descending due to the obstruction of the platforms by the lugs 2, and the unloading disc 5 continues to fall under the pressure of the steel balls, finally achieving unloading. The upper end of the lugs 2 is equipped with reinforcing ribs, which can increase the strength of the lugs 2, giving them a higher load-bearing capacity and preventing them from breaking.
[0037] A lifting ring 4 is provided at the upper end of the central shaft 3, and the lifting ring 4 is fixedly connected to the central shaft 3.
[0038] Specifically, the lifting ring 4 is welded to the top of the central shaft 3. The connection is stable and strong through welding. During transportation, the lifting ring 4 is hooked by the crane hook, and the barrel 1 is lifted and transported to the feed inlet 10.
[0039] The unloading disc 5 has a convex structure, and its diameter is larger than the diameter of the bottom of the barrel 1; the unloading disc 5 and the central shaft 3 are connected by a nut.
[0040] Specifically, the convex structure design facilitates the steel ball to slide down the convex slope of the unloading disc 5. As the unloading disc 5 descends, the steel ball slides down the slope of the unloading disc 5 to the inlet 10, which plays a certain guiding role in the sliding of the steel ball.
[0041] The locking cone 9 has an opening at its center, the diameter of which is larger than the diameter of the central shaft 3. The inner wall of the opening of the locking cone 9 is provided with internal threads; the locking cone 9 and the central shaft 3 are connected by threads.
[0042] Specifically, with the unloading disc 5 completely enclosed at the bottom of the barrel, an external thread is set upwards starting 10mm from the top edge of the central shaft fixing ring 7. The position of the external thread can be adjusted according to actual needs. During use, the locking cone 9 and the central shaft 3 cooperate to lock the position of the central shaft 3, thereby locking the position of the unloading disc 5. When unloading is required, the locking is engaged. When transfer is required, the locking cone 9 is tightened onto the central shaft 3. The locking cone 9 contacts the central shaft fixing ring 7 and bears force, preventing the unloading disc 5 from separating from the barrel wall, thereby preventing the central shaft 3 from driving the unloading disc 5 to fall, and thus effectively preventing steel ball leakage.
[0043] The unloading disc 5 has an internal cavity, and a lock nut 6 is installed inside the cavity. The lock nut 6 is installed on the central shaft 3, and a weighing sensor 11 is installed at the lower end of the lock nut 6. A controller 12 is installed at one end of the weighing sensor 11, and the controller 12 is connected to the weighing sensor 11 via a cable.
[0044] Specifically, a pressure-sensitive load cell 11 is installed under the lock nut 6, and the sensor is supported by another lock nut 6 below it;
[0045] The pressure-sensitive load cell 11 mainly includes a sensing element and a conversion circuit. The sensing element is the core component, directly sensing pressure changes and converting them into corresponding electrical signal changes. The conversion circuit amplifies, filters, and shapes the weak electrical signal output by the sensing element, making it a standard signal, such as a voltage signal or a current signal, that can be recognized and processed by subsequent circuits.
[0046] A warning light 13 is installed on the upper part of the central shaft 3, and the warning light 13 is located at the lower end of the lifting ring 4; the central shaft 3 has a cavity, and the warning light 13 and the controller 12 are connected by a cable, which passes through the cavity of the central shaft 3.
[0047] Specifically, the weighing sensor 11, controller 12, and warning light 13 work together to prevent omissions. When the ball unloading port of the transfer bucket is stuck and not closed, the weighing sensor 11 detects that the weight exceeds the weight of the transfer bucket itself. The controller 12 issues an alarm signal, and the warning light 13 under the lifting lug flashes to remind the worker to perform a second operation to unload the transfer bucket until the ball is completely unloaded. This can effectively prevent the risk of steel balls remaining inside the transfer bucket being unloaded instantly during the recycling process, thus avoiding the risk to the worker's safety.
[0048] Specifically, the controller 12 is equipped with a CPU and battery, and the weighing alarm limit can be set according to the usage requirements.
[0049] The CPU, or Central Processing Unit, is responsible for the calculation, control, and data processing of the computing system. During use, the CPU processes the weight signal obtained from the weighing sensor 11 to determine whether the weight is greater than the weight of the barrel 1 itself. If it is greater, the warning light 13 is controlled to flash as an alarm. The CPU, weighing sensor 11, and warning light 13 are powered by a battery to ensure normal operation.
[0050] How to use the steel ball transfer bucket:
[0051] When loading balls into the transfer container, place the container flat on the ground. After loading, tighten the locking cone 9 along the thread to the bottom. Use a forklift to lift the transfer container from the two lugs 2. The unloading disc 5, driven by the weight of the steel balls, moves the central shaft 3 downward. Because the locking cone 9 contacts the central shaft fixing ring 7, it prevents the unloading disc 5 from separating from the container wall, and the steel balls cannot flow out from the bottom, thus completing the transfer of the steel balls from outdoors to indoors. After arriving indoors, place the transfer container flat on the ground and tighten the locking cone 9 along the thread. The transfer bucket is lifted from the lifting lugs by a gantry crane and transferred to the inlet 10 of the high platform. The gantry crane descends until the support lugs 2 contact the two sides of the platform at the inlet 10. It continues to descend, but the bucket wall stops descending due to the obstruction of the platform at the support lugs 2. The unloading tray 5 continues to fall under the pressure of the steel balls. When the gap between the unloading tray 5 and the bucket wall is greater than the diameter of the steel balls, the steel balls are completely discharged into the ball filling port along the inclined surface of the unloading tray 5. The gantry crane then moves upward until the unloading tray 5 lifts the bucket wall and moves out of the inlet 10, completing the unloading. This transfer bucket is suitable for different indoor and outdoor transportation conditions and equipment, ensuring the safety and convenience of the transfer. At the same time, no personnel are needed to approach or open the gate during unloading, ensuring the safety and convenience of unloading.
[0052] When the ball unloading port of the transfer bucket is stuck and not closed, the weighing sensor 11 detects that the weight exceeds the weight of the transfer bucket itself. The controller 12 issues an alarm signal, and the warning light 13 below the lifting lug flashes to remind the worker to perform a second operation to unload the transfer bucket until the ball is completely unloaded. This prevents the risk of the steel balls remaining inside the transfer bucket being instantly unloaded and endangering the worker's safety when the transfer bucket is recycled.
[0053] Although the specific embodiments of the present utility model have been described above in conjunction with the accompanying drawings, this is not intended to limit the scope of protection of the present utility model. Those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without creative effort based on the technical solution of the present utility model are still within the scope of protection of the present utility model.
Claims
1. A steel ball transfer bucket, characterized in that, It includes a barrel body, a central shaft, a discharge disc, a central shaft support, a central shaft fixing ring, and a locking cone; the central shaft is set in the middle of the barrel body, the central shaft is fitted with a central shaft fixing ring, and several central shaft supports are set at intervals around the central shaft fixing ring; the discharge disc is set at the lower end of the central shaft, the outer surface of the middle part of the central shaft is opened with external threads, and a locking cone is set at the position of the external threads.
2. The steel ball transfer bucket as described in claim 1, characterized in that, One end of the central shaft support is connected to the outer wall of the central shaft fixing ring, and the other end of the central shaft support is connected to the inner wall of the barrel.
3. The steel ball transfer bucket as described in claim 1, characterized in that, The upper part of the barrel is a cylindrical structure, and the lower part of the barrel is a funnel-shaped structure.
4. A steel ball transfer bucket as described in claim 1, characterized in that, The outer wall of the barrel is provided with lugs, which are symmetrically arranged at both ends of the barrel, and the upper end of the lugs is provided with reinforcing ribs.
5. A steel ball transfer bucket as described in claim 4, characterized in that, One end of the reinforcing rib is connected to the outer wall of the barrel, and the other end of the reinforcing rib is connected to the upper end of the lug.
6. A steel ball transfer bucket as described in claim 1, characterized in that, A lifting ring is provided at the upper end of the central shaft, and the lifting ring is fixedly connected to the central shaft.
7. A steel ball transfer bucket as described in claim 1, characterized in that, The unloading disc has a convex structure, and its diameter is larger than the diameter of the bottom of the barrel; the unloading disc and the central shaft are connected by a nut.
8. A steel ball transfer bucket as described in claim 1, characterized in that, The locking cone has an opening at its center, the diameter of which is larger than the diameter of the central shaft, and the inner wall of the opening of the locking cone is provided with an internal thread; the locking cone and the central shaft are connected by a thread.
9. A steel ball transfer bucket as described in claim 1, characterized in that, The unloading disc has an internal cavity, and a lock nut is installed inside the cavity. The lock nut is mounted on the central shaft, and a load cell is installed at the lower end of the lock nut. A controller is installed at one end of the load cell, and the controller is connected to the load cell via a cable.
10. A steel ball transfer bucket as described in claim 9, characterized in that, A warning light is installed on the central shaft, and the warning light is located at the lower end of the lifting ring; a cavity is provided inside the central shaft, and the warning light and the controller are connected by a cable, which passes through the cavity of the central shaft.