A bin grating device

Abstract

The utility model provides a kind of bunker grating device, including grating, vibrating device and fixing device;Vibrating device is symmetrically installed along first direction in the short side of grating, fixing device is fixed on bearing base along first direction, fixing device is composed of fixed base, extension arm and elastic energy storage device, fixed base is fixedly connected on bearing base, the upper end surface of fixed base is in the same horizontal plane with bearing base, elastic energy storage device is telescopic along third direction, third direction is perpendicular to the upper end surface of fixed base, and the end of elastic energy storage device close to bearing base is connected with the upper end surface of fixed base, the end away from bearing base is connected with the end of extension arm away from grating, extension arm extends along first direction, and the end of extension arm close to grating is fixedly connected with the upper surface of grating;The above-mentioned bunker grating device realizes grating aperture self-cleaning, avoids material long-term accumulation on grating surface, eliminates the need for manual cleaning, solves the problem of grab wear and material leakage.

Description

Technical Field

[0001] This utility model relates to the technical field of equipment for metallurgical sintering raw materials, specifically a silo grid device. Background Technology

[0002] As a crucial link in raw material processing, the primary raw material storage silo in an ironmaking plant is typically equipped with three types of silos: A, B, and C. Our plant uses type A silos (three spans in total), 10 overhead cranes, and 21 storage bins, responsible for the transfer of materials such as coal, coke powder, and mineral powder. After the raw materials are fed into the silo via conveyor belt, they are grabbed by overhead cranes and placed into designated storage bins. To prevent large debris from entering the storage bins and damaging downstream conveying equipment, gratings are generally installed at the top of the storage bins as a physical filtration barrier.

[0003] Fluctuations in moisture content can cause grid blockage: Raw materials are mainly supplied by water transport, and their moisture content is significantly uncertain due to environmental and storage factors. When the moisture content of the raw materials is low, they can pass smoothly through the grid openings into the silo; however, when the moisture content increases, the viscosity of the material increases sharply, and after being dropped by the overhead crane, it is easy for it to clump together on the grid surface, blocking the openings and causing the supply to be interrupted.

[0004] There are currently two cleaning methods. The first is the overhead crane cleaning mode: the impact of the grab bucket on the grid can easily cause the screen to deform and be damaged. At the same time, the grid structure wears down the lower edge of the grab bucket in the opposite direction, which can damage the sealing of the bucket lip and cause material leakage. The second is the manual cleaning mode: when the blockage material hardens, the overhead crane can only break up the surface material. The material adhering to the inside of the grid still needs to be cleaned manually. This method is labor-intensive and time-consuming, which seriously restricts the continuity of production.

[0005] To address the aforementioned issues, a silo grid device is proposed. Utility Model Content

[0006] The purpose of this invention is to provide a silo grid device to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, the present invention provides the following technical solution: a silo grid device, comprising a grid, a vibration device, and a fixing device.

[0008] The long side of the grille extends in a first direction, the vibration device is symmetrically installed along the short side of the grille along the first direction, the fixing device is fixed to the load-bearing foundation along the first direction, and the short side of the grille extends in a second direction.

[0009] The fixing device consists of a fixed base, an extension arm, and an elastic energy storage device. The fixed base is fixedly connected to the load-bearing foundation, and the upper surface of the fixed base is at the same horizontal plane as the load-bearing foundation. The elastic energy storage device extends and retracts along a third direction, which is perpendicular to the upper surface of the fixed base. The end of the elastic energy storage device near the load-bearing foundation is connected to the upper surface of the fixed base, and the end away from the load-bearing foundation is connected to the end of the extension arm away from the grid. The extension arm extends along a first direction, and the end of the extension arm near the grid is fixedly connected to the upper surface of the grid.

[0010] Furthermore, the upper surface of the fixed base is at the same level as the load-bearing foundation.

[0011] Furthermore, the vibration device uses an explosion-proof vibration motor.

[0012] Furthermore, the explosion-proof vibration motor is detachably connected to the grille.

[0013] Furthermore, four fixing devices are used, with two fixing devices on each of the two short sides of the grille, and the two fixing devices are fixedly connected to the load-bearing foundation at equal distances along the second direction; or, six fixing devices are used, with three fixing devices on each of the two short sides of the grille, and the three fixing devices are fixedly connected to the load-bearing foundation at equal distances along the second direction; or, eight fixing devices are used, with four fixing devices on each of the two short sides of the grille, and the four fixing devices are fixedly connected to the load-bearing foundation at equal distances along the second direction.

[0014] Furthermore, the extension arm and the grille are rigidly welded together, or the extension arm and the grille are connected by bolts.

[0015] Furthermore, the fixed base is fixed to the load-bearing foundation by chemical bolts.

[0016] Furthermore, the elastic energy storage device employs a spring.

[0017] Furthermore, the extension arm is detachably connected to the elastic energy storage device.

[0018] Furthermore, the elastic energy storage device is detachably connected to the fixed base.

[0019] Analysis shows that this utility model provides a silo grating device, including a grating, a vibration device, and a fixing device. The long side of the grating extends in a first direction, and the vibration device is symmetrically installed along the short side of the grating along the first direction. This is to ensure that the vibration force transmitted to the grating by the vibration device is more uniform, avoiding uneven vibration force on the grating and resulting in incomplete and uneven removal of debris from the grating. The fixing device is fixed to the load-bearing foundation along the first direction, and the short side of the grating extends in a second direction. This ensures that the grating remains stable within a certain range of sway during vibration, preventing uneven force distribution on the grating due to vibration, which could cause grating displacement and require manual adjustment, thus reducing work efficiency. The fixing device consists of a fixed base, The device comprises an extension arm and a flexible energy storage device. The fixed base is fixedly connected to the load-bearing foundation, and the fixing device is fixed to the load-bearing foundation through the fixed base, thereby improving the stability of the device. The flexible energy storage device extends and retracts along a third direction, which is perpendicular to the upper surface of the fixed base. The end of the flexible energy storage device near the load-bearing foundation is connected to the upper surface of the fixed base, and the end away from the load-bearing foundation is connected to the end of the extension arm away from the grid. The extension arm extends along a first direction, and the end of the extension arm near the grid is fixedly connected to the upper surface of the grid. The extension arm transmits the vibration force on the grid to the flexible energy storage device, while the flexible energy storage device prevents the impact from being transmitted to the civil engineering foundation, avoiding damage to the grid during repeated vibrations and improving the service life of the device.

[0020] Compared with the closest existing technology, the technical solution provided by this utility model has the following advantages:

[0021] (1) In the current overhead crane cleaning mode, the impact of the grab bucket on the grid can easily cause the screen to deform and be damaged. At the same time, the grid structure wears the lower edge of the grab bucket in the opposite direction, which damages the sealing of the bucket lip and causes the grab bucket to leak material. This utility model transmits the impact brought by the vibration device to the fixed device. Through the elastic energy storage device in the fixed device, a buffering effect is generated on the machinery, protecting the device and the civil engineering foundation, extending the service life of the equipment, and avoiding wear on the grid.

[0022] (2) In the current manual cleaning mode, when the blockage material hardens, the overhead crane can only break up the surface material. The material adhering to the inside of the grid still needs to be cleaned manually, which is labor-intensive and time-consuming, and seriously restricts the continuity of production. This utility model realizes automatic vibration when the overhead crane feeds material through a vibration device and a fixing device, which actively crushes the hardened material and improves the blockage clearing efficiency. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the silo grid device according to an example of this utility model.

[0024] Figure 2 This is a partial structural schematic diagram of the silo grid device according to an example of the present utility model.

[0025] In the diagram: 1. Grid; 2. Vibration device; 3. Fixing device; 4. Fixed base; 5. Extension arm; 6. Elastic energy storage device. Detailed Implementation

[0026] 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.

[0027] It should be noted that in the description of this utility model, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0028] Furthermore, it should be understood that, for ease of description, the dimensions of the various components shown in the accompanying drawings are not drawn to actual scale.

[0029] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined or described in one figure, it will not need to be discussed or described in detail in the description of the subsequent figures.

[0030] like Figure 1 and Figure 2 As shown, this utility model provides a technical solution: a silo grid device, including a grid 1, a vibration device 2 and a fixing device 3.

[0031] The long side of the grid 1 extends in a first direction, and the vibration device 2 is symmetrically installed along the short side of the grid 1 along the first direction, so that the impact transmitted by the vibration device 2 to the grid 1 can be evenly transmitted to all parts of the grid 1; the fixing device 3 is fixed on the load-bearing foundation along the first direction, and the short side of the grid 1 extends in a second direction, which improves the stability of the device and prevents the grid 1 from shifting its position when it is subjected to impact.

[0032] The fixing device 3 consists of a fixed base 4, an extension arm 5, and an elastic energy storage device 6. The fixed base 4 is fixedly connected to the load-bearing foundation. The elastic energy storage device 6 extends and retracts along a third direction, which is perpendicular to the upper surface of the fixed base 4. The end of the elastic energy storage device 6 near the load-bearing foundation is connected to the upper surface of the fixed base 4, and the end away from the load-bearing foundation is connected to the end of the extension arm 5 away from the grid. The extension arm 5 extends along a first direction, and the end of the extension arm 5 near the grid is fixedly connected to the upper surface of the grid.

[0033] The fixing device 3 is fixed to the load-bearing foundation by the fixing base 4, which further improves the stability of the device. The elastic energy storage device 6 buffers the impact transmitted to the grid 1 by the vibration device 2, avoids damage to the civil engineering foundation, and improves the service life of the device. The extension arm 5 is connected to the grid 1 to ensure that the grid 1 and the load-bearing foundation are on the same horizontal plane, and ensures that the installation height of the grid 1 can be changed.

[0034] Preferably, the upper surface of the fixed base 4 is at the same level as the load-bearing foundation.

[0035] Preferably, the vibration device 2 is an explosion-proof vibration motor.

[0036] The explosion-proof vibration motor has high safety and can effectively isolate the electric arc, spark or high temperature inside the motor to prevent ignition of the dust formed when the grid 1 vibrates; the explosion-proof vibration motor has good reliability and can adapt to harsh conditions such as high dust levels.

[0037] More preferably, the explosion-proof vibration motor is detachably connected to the grille 1.

[0038] This ensures that the explosion-proof vibration motor can be easily replaced and disassembled under different circumstances, allowing for the selection of explosion-proof vibration motors with different power ratings, specifically based on the weight and size of the grille 1.

[0039] Preferably, four fixing devices 3 are used, with two fixing devices 3 on each of the two short sides of the grille 1, and the two fixing devices 3 are fixedly connected to the load-bearing foundation at equal intervals along the second direction; or, six fixing devices 3 are used, with three fixing devices 3 on each of the two short sides of the grille 1, and the three fixing devices 3 are fixedly connected to the load-bearing foundation at equal intervals along the second direction; or, eight fixing devices 3 are used, with four fixing devices 3 on each of the two short sides of the grille 1, and the four fixing devices 3 are fixedly connected to the load-bearing foundation at equal intervals along the second direction. Different numbers of fixing devices 3 are selected according to the size and weight of the grille 1. Different numbers of fixing devices 3 can distribute the impact transmitted by the grille 1, improving the adaptability of the device to different situations.

[0040] Preferably, the extension arm 5 is rigidly welded to the grille 1, or the extension arm 5 is bolted to the grille 1; this ensures high strength and stability between the grille 1 and the fixing device 3, and accurately transmits the impact on the grille 1 to the fixing device 3.

[0041] Preferably, the fixed base 4 is fixed to the load-bearing foundation by chemical bolts; chemical bolts are easier to install and have high strength and high load-bearing capacity, further improving the stability between the fixed device 4 and the load-bearing foundation.

[0042] Preferably, the elastic energy storage device 6 uses a spring, which can store and buffer the impact generated by the vibration device 2, avoid the impact being directly transmitted to the civil engineering foundation, reduce safety hazards, and improve the service life of the device.

[0043] Preferably, the extension arm 5 is detachably connected to the elastic energy storage device 6, which facilitates the selection of extension arms 5 of different sizes for different specifications of grid 1, thereby improving the adaptability of the device.

[0044] Preferably, the elastic energy storage device 6 is detachably connected to the fixed base 3. The specifications of the elastic energy storage device 6 can be selected according to different impacts to be buffered, thereby further improving the adaptability of the device.

[0045] Preferably, the explosion-proof vibration motor can adjust the eccentric wheel angle according to the specifications of the grid 1 to achieve the best vibration effect, and the explosion-proof vibration motors on the same grid 1 use the same power supply circuit to ensure that the amplitude of the explosion-proof vibration motor generates stable vibration efficiency and excitation force.

[0046] The process of using this device to clear blockages in the silo grid is as follows:

[0047] In the preparation stage, the vibrating device 2 that meets the requirements is fixed at the designated position on the grid 1, and the grid 1 is connected to the load-bearing foundation through the fixing device 3. In the working stage, when the trolley feeds material onto the grid 1, the vibrating device 2 is started to crush the caking material. The impact force on the grid 1 is transmitted to the elastic energy storage device 6 through the extension arm 5 on the fixing device 3 to protect the load-bearing foundation. The vibration duration is adaptively adjusted according to the material properties so that the crushed material enters the bin.

[0048] In summary, this utility model achieves the following technical effects:

[0049] 1) In response to the current situation where the viscosity of materials increases sharply when the moisture content rises, and the materials tend to clump together on the surface of the grid after being placed by the overhead crane, blocking the pores and causing the material supply to be interrupted, this utility model provides a silo grid device. The clump of material on the grid 1 is vibrated by the vibration device 2 to break up the clump of material and ensure smooth material flow.

[0050] 2) The extension arm 5 of the fixing device 2 ensures that the grid 1 and the load-bearing foundation are on the same horizontal plane, so as to avoid the unbroken material falling directly into the silo due to the gap between the grid 1 and the load-bearing foundation.

[0051] 3) The elastic energy storage device 6 of the fixing device 2 stores and buffers the impact transmitted from the grid 1 to the fixing device, so as to avoid damage to the load-bearing foundation due to the impact and protect the civil engineering load-bearing foundation.

[0052] 4) The vibration device 2 adopts an explosion-proof vibration motor to prevent the production dust from coming into contact with electric arcs and high temperatures during material vibration crushing, thereby improving the safety of the device.

[0053] 5) The elastic energy storage device 6 adopts a spring. The use of a spring is more suitable for the environment of this utility model. The spring has an automatic reset function and can absorb sudden impacts or vibrations through deformation, thus improving safety.

[0054] 6) Fix the base 4 to the load-bearing foundation with chemical bolts. Chemical bolts can absorb some of the vibration energy, resulting in less damage to the load-bearing foundation.

[0055] 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 silo grid device, characterized in that, Includes grids, vibration devices, and fixing devices; The long side of the grille extends in a first direction, the vibration device is symmetrically installed along the short side of the grille along the first direction, the fixing device is fixed to the load-bearing foundation along the first direction, and the short side of the grille extends in a second direction. The fixing device consists of a fixed base, an extension arm, and an elastic energy storage device. The fixed base is fixedly connected to the load-bearing foundation. The elastic energy storage device extends and retracts along a third direction, which is perpendicular to the upper surface of the fixed base. The end of the elastic energy storage device near the load-bearing foundation is connected to the upper surface of the fixed base, and the end away from the load-bearing foundation is connected to the end of the extension arm away from the grid. The extension arm extends along a first direction, and the end of the extension arm near the grid is fixedly connected to the upper surface of the grid.

2. The silo grid device according to claim 1, characterized in that, The upper surface of the fixed base is at the same level as the load-bearing foundation.

3. The silo grid device according to claim 1, characterized in that, The vibration device uses an explosion-proof vibration motor.

4. The silo grid device according to claim 3, characterized in that, The explosion-proof vibration motor is detachably connected to the grille.

5. The silo grid device according to claim 1, characterized in that, The fixing device is four in number. Two fixing devices are provided on each of the two short sides of the grille, and the two fixing devices are fixedly connected to the load-bearing foundation at equal distances along the second direction. or, The fixing device consists of six devices, with three devices on each of the two short sides of the grille. The three fixing devices are fixedly connected to the load-bearing foundation at equal intervals along the second direction. or, The fixing device consists of eight devices, with four devices on each of the two short sides of the grille. The four fixing devices are fixedly connected to the load-bearing foundation at equal intervals along the second direction.

6. The silo grid device according to claim 1, characterized in that, The extension arm is rigidly welded to the grid, or the extension arm is fastened to the grid with bolts.

7. The silo grid device according to claim 1, characterized in that, The fixed base is secured to the load-bearing foundation with chemical bolts.

8. The silo grid device according to claim 1, characterized in that, The elastic energy storage device uses a spring.

9. The silo grid device according to claim 1, characterized in that, The extension arm is detachably connected to the elastic energy storage device.

10. The silo grid device according to claim 1, characterized in that, The elastic energy storage device is detachably connected to the fixed base.

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