Special buffering device for mineral aggregate funnel
By installing a buffer device consisting of a jaw plate, a rotating rod, and a spring ring on the funnel, the material flow trajectory is altered, thus solving the problem of impact on the dump truck's cargo box during the loading and unloading of laterite nickel ore, and improving loading efficiency and safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-11
- Publication Date
- 2026-03-13
AI Technical Summary
During the loading and unloading of laterite nickel ore, traditional hoppers cause damage to the dump truck bodies and safety hazards, and also result in low work efficiency, affecting equipment lifespan and worker motivation.
A buffer device consisting of a jaw plate, a rotating rod, and a spring ring is installed on the funnel to change the material flow trajectory, disperse kinetic energy, and adjust the material distribution.
Reduce direct impact on the dump truck bed, improve loading efficiency and safety, reduce maintenance costs, and boost work enthusiasm.
Smart Images

Figure CN223990472U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of buffer devices, specifically relating to a buffer device for a mineral hopper. Background Technology
[0002] In current laterite nickel ore loading and unloading operations, traditional methods are no longer sufficient to meet the demands for efficient and safe operations. This is especially true when using nickel ore grab buckets with a self-weight of up to 15 tons. Each grab bucket can hold approximately 20-24 tons of nickel ore. When this ore enters the dump truck bed, which is only 1.5 meters above the ground, through a funnel at a fixed height of 8 meters, it inevitably causes a very strong impact on the bottom of the truck bed. This impact can not only damage the vehicle structure, leading to deformation, weld cracking, and other problems in the dump truck bed, reducing equipment lifespan, but also poses serious safety hazards, potentially causing material splashing or other accidents, threatening the safety of on-site equipment and personnel. Furthermore, frequent and severe impacts reduce work efficiency, increase maintenance costs, and consequently affect the stable operation of the entire loading and unloading process. Moreover, for the above reasons, many dump truck drivers are reluctant to use funnels for loading laterite nickel ore, fearing that frequent high-intensity impacts will cause irreversible damage to their vehicles, severely impacting their work motivation.
[0003] In conclusion, with the continuous expansion of nickel ore operations, the existing hoppers can no longer meet the ever-increasing production demands. Implementing hopper buffer modification is not only a strategic choice to enhance enterprise competitiveness and reduce costs, but also an essential requirement to ensure the integrity of equipment and facilities, the safety of employees, and the achievement of sustainable development. Only by continuously promoting technological innovation and improving infrastructure construction can we better cope with market changes and promote the healthy development of the industry. Therefore, conducting research on nickel ore hopper buffer modification has significant practical implications and long-term value. Utility Model Content
[0004] The purpose of this utility model is to provide a special buffer device for ore hoppers to solve the problem of damage to the truck body caused by direct impact of ore on the truck body during the loading process of nickel ore dump trucks.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a special buffer device for a mineral hopper, characterized in that: it includes a hopper and a set of rotating rods that pass through the hopper, the rotating rods rotate in the hopper via bearings, a set of jaw plates are provided on the rotating rods, a limiting rod is provided on the side of the hopper, the limiting rods are connected to the rotating rods via spring coils, and the jaw plates are symmetrically arranged in pairs inside the hopper.
[0006] In one embodiment, the jaw plate is a curved plate.
[0007] In one embodiment, the spring coil is welded to the limiting rod, and the spring coil is welded to the rotating rod.
[0008] Compared with the prior art, the beneficial effects of this utility model are:
[0009] A specially designed jaw plate is installed above the existing nickel ore hopper. The jaw plate, in conjunction with a rotating rod and spring coil, buffers the material flow. This design alters the flow trajectory of the laterite nickel ore after it enters the hopper, ensuring that most of the material no longer directly impacts the bottom or sidewalls of the hopper, but instead strikes the jaw plate located within the hopper. The jaw plate design not only effectively disperses the enormous kinetic energy of the falling material, reducing direct impact on the dump truck's cargo box, but also adjusts the material flow direction to a certain extent, distributing it more evenly throughout the cargo box, thereby improving loading efficiency. Attached Figure Description
[0010] Figure 1 This is a top view of the structure of this utility model;
[0011] Figure 2 This is a side view of the present invention;
[0012] Figure 3 For the present utility model Figure 2 Enlarged view of point A. Detailed Implementation
[0013] 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.
[0014] In one embodiment of this utility model: as Figure 1 and Figure 3 As shown, a special buffer device for a ore hopper is characterized by comprising a hopper 1 and a set of rotating rods 2 that pass through the hopper 1. The rotating rods 2 rotate in the hopper 1 via bearings 3. A set of jaw plates 4 are provided on the rotating rods 2. A limiting rod 5 is provided on the side of the hopper 1. The limiting rod 5 is connected to the rotating rod 2 via a spring coil 6. The jaw plates 4 are symmetrically arranged in pairs inside the hopper 1. The spring coil 6 has elasticity and has elastic potential energy to rebound when the rotating rod 2 rotates.
[0015] In one embodiment, the jaw plate 4 is an arc plate, and four jaw plates 4 are precisely arranged at the position of the funnel 1. These four jaw plates 4 are symmetrically distributed in pairs, and together they form a structure that surrounds the funnel 1.
[0016] In one embodiment, the spring coil 6 is welded to the limiting rod 5, and the spring coil 6 is welded to the rotating rod 2.
[0017] In one embodiment, a specially designed jaw plate 4 is first installed above the existing nickel ore hopper 1. The jaw plate 4, in conjunction with the rotating rod 2 and spring coil 6, enables buffered material feeding. This design aims to alter the flow trajectory of the laterite nickel ore after it enters the hopper, ensuring that most of the material no longer directly impacts the bottom or sidewalls of the hopper 1, but instead first strikes the jaw plate 4 located within the hopper 1. The jaw plate 4 design not only effectively disperses the enormous kinetic energy of the falling material, reducing direct impact on the dump truck's cargo compartment, but also adjusts the material flow direction to a certain extent, distributing it more evenly throughout the cargo compartment, thereby improving loading efficiency.
[0018] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A buffer device for a mineral material hopper, characterized in that: The utility model relates to a funnel (1) and a group of rotating rods (2) are arranged through the funnel (1), the rotating rod (2) rotates in the funnel (1) through the bearing (3), a group of jaw plates (4) are arranged on the rotating rod (2), the limiting rod (5) is arranged on the side of the funnel (1), the limiting rod (5) is connected with the rotating rod (2) through the spring ring (6), and the jaw plate (4) is arranged symmetrically in the funnel (1).
2. A cushioning device for a mineral aggregate hopper according to claim 1, characterized in that The jaw plate (4) is an arc plate.
3. A cushioning device for a mineral aggregate hopper according to claim 1, characterized in that, The spring ring (6) is welded between the limiting rod (5), and the spring ring (6) is welded between the rotating rod (2).