阅读说明：本技术 一种梁架式破拱器、料仓及破拱方法 (Beam frame type arch breaking device, storage bin and arch breaking method ) 是由 马壮 黄江峰 路兴隆 李伟 梁跃武 陈俊 李勇 范春浩 王军 李蕴生 李杜 梅 于 2021-01-07 设计创作，主要内容包括：本发明实施例公开了一种梁架式破拱器、料仓及破拱方法,包括梁架式振动体以及用于迫使梁架式振动体发生共振的共振系统,所述梁架式振动体的两端通过减震装置安装在用于下料的料斗内壁上,共振系统使梁架式振动体达到共振状态,进而迫使梁架式振动体附近的物料发生振动,振动通过接触传导或声波传导到料仓内的物料上,使物料松散后自然下落,避免形成结拱现象或破坏已经形成的结拱状况,达到物料能从仓下出料口顺利流出的目的。(The embodiment of the invention discloses a beam frame type arch breaker, a storage bin and an arch breaking method, wherein the beam frame type arch breaker comprises a beam frame type vibration body and a resonance system for forcing the beam frame type vibration body to resonate, two ends of the beam frame type vibration body are arranged on the inner wall of a hopper for discharging through damping devices, the resonance system enables the beam frame type vibration body to reach a resonance state, materials near the beam frame type vibration body are forced to vibrate, the vibration is conducted to the materials in the storage bin through contact conduction or sound waves, the materials fall down naturally after being loosened, the phenomenon of arch formation or the condition of formed arch breakage is avoided, and the purpose that the materials can flow out from a discharge port under the bin smoothly is achieved.)

1. The beam mount type arch breaker is characterized by comprising a beam mount type vibration body (1) and damping devices (5) arranged at two ends of the beam mount type vibration body (1), wherein an adaptive vibration system (10) used for providing a vibration source for the beam mount type vibration body (1) is arranged on the side portion of the beam mount type vibration body (1), and the beam mount type vibration body (1) reaches a resonance state under the combined action of the vibration source and the damping devices (5).

2. The beam mount type arch breaker according to claim 1, wherein the adaptive vibration system (10) comprises a power supply, a vibration controller (7), and a vibration exciter (2) and a vibration pickup (3) arranged at the side of the beam mount type vibration body (1), the power supply supplies power to the vibration controller (7), the vibration controller (7) is connected with the vibration exciter (2) and the vibration pickup (3), the vibration controller (7) receives the vibration frequency and the vibration amplitude of the beam mount type vibration body (1) collected by the vibration pickup (3) for analysis processing, and controls and adjusts the vibration amplitude and the vibration frequency of the vibration exciter (2) according to the processing result.

3. The beam-mounted arch breaker as claimed in claim 1, wherein the vibration controller (7) comprises a signal amplification module, an analog-to-digital conversion module, a data operation module, a data storage module and a power amplification module which are connected in sequence;

the signal amplification module is used for amplifying the vibration frequency of the beam-mounted vibration body (1) collected by the vibration pickup (3), transmitting the amplified signal to the analog-to-digital conversion module, converting the amplified signal into a digital signal by the analog-to-digital conversion module, carrying out operation analysis on the digital signal by the data operation module to obtain the frequency of the resonance state of the beam-mounted vibration body (1), meanwhile, storing the frequency of the resonance state obtained by analysis by the data storage module, and receiving the analysis result by the functional amplification module to generate a driving signal for controlling the vibration exciter (2) so as to realize feedback control on the resonance state of the beam-mounted vibration body (1).

4. The beam mount type arch breaker according to claim 1, wherein the vibration exciter (2) and the vibration pickup (3) are explosion-proof or intrinsically safe elements, an explosion-proof isolation grid is arranged in the vibration controller (7), and explosion-proof flame-proof cables are used as cables among the vibration exciter (2), the vibration pickup (3) and the vibration controller (7).

5. The beam-mounted arch breaker as claimed in any one of claims 1-4, wherein the material of the beam-mounted vibration body (1) comprises stainless steel plate, metal plate and non-metal plate.

6. The beam-mounted arch breaker as claimed in any one of claims 1-4, wherein the profile structure of the beam-mounted vibration body (1) comprises a single beam structure and a multi-beam structure, and the shape of the cross section of the multi-beam structure comprises H-shaped, X-shaped, annular and polygonal structures.

7. The beam arch breaker as claimed in any one of claims 1-4, wherein the beam-like vibration body (1) has a cross-sectional shape including I-shape, rectangular shape, circular shape and square shape.

8. An arch breaking method based on the beam arch breaker of any one of claims 1 to 7, characterized by comprising the following steps:

step 100, mounting the beam frame type arch breaker above the outlet end of the storage bin;

step 200, starting a power supply to enable the beam frame type arch breaking device to work when a storage bin discharges materials;

step 300, enabling a vibration exciter to provide a vibration source for the beam-mounted vibration body by the vibration controller at a preset initial frequency, enabling the beam-mounted vibration body to reach a resonance state under the action of the vibration source and a damping device and arch breaking bulk materials in a storage bin, and acquiring the vibration frequency and the vibration amplitude of the beam-mounted vibration body by the vibration pickup in real time or at preset fixed time intervals and feeding the vibration frequency and the vibration amplitude back to the vibration controller;

step 400, when the vibration controller judges that the vibration frequency and the vibration amplitude of the beam-frame type vibration body are within a preset threshold range, the vibration controller provides a power supply without adjusting the vibration frequency and the vibration amplitude of a vibration exciter;

step 500, when the vibration controller judges that any one of the vibration frequency and the vibration amplitude of the beam-type vibration body is greater than a preset upper limit value, the vibration controller adjusts and reduces the vibration frequency or the vibration amplitude of the vibration exciter; when the vibration controller judges that any one of the vibration frequency and the vibration amplitude of the beam-type vibration body is smaller than a preset lower limit value, the vibration controller adjusts and raises the vibration frequency or the vibration amplitude of the vibration exciter.

9. The storage bin adopting the beam-mounted arch breaker as claimed in any one of claims 1 to 7, characterized by comprising a bin body (8) and a discharge port (11) arranged at the bottom end of the bin body (8) for discharging, wherein the beam-mounted vibration body (1) of the beam-mounted arch breaker is mounted in the bin body (8) and is located at the upper end of the discharge port (11), and the damping devices (5) at the two ends of the beam-mounted vibration body (1) are fixed on the side wall of the bin body (8).

10. The storage bin of claim 9, wherein the power supply and the vibration controller (7) of the beam-mounted arch-breaker are mounted outside the storage bin (8).

Technical Field

The invention relates to the technical field of bulk material storage and transportation, in particular to a beam frame type arch breaking device, a storage bin and an arch breaking method.

Background

In powder production, the phenomena of difficult powder blanking, blockage of a bin of a vacuum feeding machine, blockage of a bin of a small bag feeding station, powder bridging and caking and the like in the transportation and flowing process are frequently encountered, in the prior art, the size of a discharge opening is increased, the top angle of a hopper is reduced or an asymmetric hopper is adopted for improvement, or the friction force of the bin wall is reduced by an exhaust measure, and high-pressure air is injected from the lower part of the bin to fluidize and break the arch of the material;

in the prior art, an air cannon is adopted for arch breaking, but the effect is not ideal, and two main reasons exist, namely, the air cannon only can work intermittently, so that continuous and stable material blanking cannot be guaranteed; secondly, the air cannon can bond the extruded material more firmly, and plays a negative role in stabilizing the blanking.

Disclosure of Invention

Therefore, the embodiment of the invention provides a beam frame type arch breaker, a bin and an arch breaking method, and solves the problems that stable blanking cannot be guaranteed and materials passing through the air cannon are easy to compact when the existing air cannon is subjected to arch breaking.

In order to achieve the above object, an embodiment of the present invention provides the following:

the beam mount type arch breaker comprises a beam mount type vibration body and damping devices arranged at two ends of the beam mount type vibration body, wherein an adaptive vibration system used for providing a vibration source for the beam mount type vibration body is arranged on the side portion of the beam mount type vibration body, and the beam mount type vibration body reaches a resonance state under the combined action of the vibration source and the damping devices.

As a preferable scheme of the present invention, the adaptive vibration system includes a power supply, a vibration controller, and a vibration exciter and a vibration pickup which are disposed at a side of the beam-type vibration body, the power supply supplies power to the vibration controller, the vibration controller is connected to the vibration exciter and the vibration pickup, the vibration controller receives the vibration frequency and the vibration amplitude of the beam-type vibration body collected by the vibration pickup for analysis processing, and controls and adjusts the vibration amplitude and the vibration frequency of the vibration exciter according to a processing result.

As a preferred scheme of the present invention, the vibration controller includes a signal amplification module, an analog-to-digital conversion module, a data operation module, a data storage module and a power amplification module, which are connected in sequence;

the signal amplification module is used for amplifying the vibration frequency of the beam-mounted vibration body collected by the vibration pickup and transmitting the amplified signal to the analog-to-digital conversion module, the analog-to-digital conversion module converts the amplified signal into a digital signal, the data operation module performs operation analysis on the digital signal to obtain the frequency of the resonance state of the beam-mounted vibration body, the state of a material body in the bin is obtained through the frequency, the data storage module stores the frequency of the resonance state obtained through analysis, and the function amplification module receives the analysis result to generate a driving signal for controlling the vibration exciter so as to realize feedback control on the resonance state of the beam-mounted vibration body.

As a preferred scheme of the invention, the vibration exciter and the vibration pickup adopt explosion-proof or intrinsically safe elements, an explosion-proof isolation grid is arranged in the vibration controller, and explosion-proof flame-retardant cables are adopted as cables among the vibration exciter, the vibration pickup and the vibration controller.

In a preferred embodiment of the present invention, the beam-shaped vibrating body is made of a stainless steel plate, a metal plate, or a non-metal plate.

As a preferable mode of the present invention, the profile structure of the beam-type vibration body includes a single beam structure and a multi-beam structure, and the shape of the cross section of the multi-beam structure includes H-shaped, X-shaped, annular and polygonal structures.

As a preferable mode of the present invention, the cross-sectional shape of the beam type vibration body includes an I shape, a rectangular shape, a circular shape and a square shape.

The invention provides an arch breaking method of a beam frame type arch breaker, which comprises the following steps:

step 100, mounting the beam frame type arch breaker above the outlet end of the storage bin;

step 200, starting a power supply to enable the beam frame type arch breaking device to work when a storage bin discharges materials;

step 300, enabling a vibration exciter to provide a vibration source for the beam-mounted vibration body by the vibration controller at a preset initial frequency, enabling the beam-mounted vibration body to reach a resonance state under the action of the vibration source and a damping device and arch breaking bulk materials in a storage bin, and acquiring the vibration frequency and the vibration amplitude of the beam-mounted vibration body by the vibration pickup in real time or at preset fixed time intervals and feeding the vibration frequency and the vibration amplitude back to the vibration controller;

step 400, when the vibration controller judges that the vibration frequency and the vibration amplitude of the beam-frame type vibration body are within a preset threshold range, the vibration controller provides a power supply without adjusting the vibration frequency and the vibration amplitude of a vibration exciter;

step 500, when the vibration controller judges that any one of the vibration frequency and the vibration amplitude of the beam-type vibration body is greater than a preset upper limit value, the vibration controller adjusts and reduces the vibration frequency or the vibration amplitude of the vibration exciter; when the vibration controller judges that any one of the vibration frequency and the vibration amplitude of the beam-type vibration body is smaller than a preset lower limit value, the vibration controller adjusts and raises the vibration frequency or the vibration amplitude of the vibration exciter.

The invention provides a storage bin of a beam-mounted arch breaker, which comprises a bin body and a discharge hole arranged at the bottom end of the bin body and used for discharging materials, wherein a beam-mounted vibrating body of the beam-mounted arch breaker is arranged in the bin body and is positioned at the upper end of the discharge hole, and damping devices at two ends of the beam-mounted vibrating body are fixed on the side wall of the bin body.

In a preferred embodiment of the present invention, the power supply and the vibration controller of the beam arch breaker are installed outside the cabin.

The embodiment of the invention has the following advantages:

the invention leads the beam frame type vibration body to reach the resonance state, further forces the material near the beam frame type vibration body to vibrate, and the vibration is conducted to the material in the storage bin through contact conduction or sound wave, so that the material naturally falls down after being loosened, the arching phenomenon is avoided or the formed arching condition is damaged, and the aim that the material can smoothly flow out from the discharge port under the storage bin is achieved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.

FIG. 1 is a schematic view of the overall structure of an embodiment of the present invention;

FIG. 2 is a schematic view of the mounting position of the beam-type vibrating body according to the embodiment of the present invention;

in the figure: 1-a beam-type vibration body; 2-a vibration exciter; 3-a vibration pickup; 4-a protective cover; 5-a damping device; 6, mounting a plate; 7-a vibration controller; 8-a cabin body; 9-material; 10-adaptive vibration system; 11-discharge port.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 and 2, the invention provides a beam type arch breaker, which comprises a beam type vibration body 1 and damping devices 5 arranged at two ends of the beam type vibration body 1, wherein an adaptive vibration system 10 for providing a vibration source for the beam type vibration body 1 is arranged at the side part of the beam type vibration body 1, and the beam type vibration body 1 reaches a resonance state under the combined action of the vibration source and the damping devices 5.

The beam-type vibration body 1 is made of stainless steel or other metal or non-metal plate material.

Damping device 5 includes bumper shock absorber and mounting panel 6, and the tip at roof beam-like pendulum body 1 is connected to the one end of bumper shock absorber, and the other end of bumper shock absorber passes through the mounting panel to be connected on the feed bin inner wall that is used for the unloading, and wherein, the bumper shock absorber specifically is the spring.

The vibration controller 7 controls the vibration frequency of the vibration exciter 2, so that the beam frame type vibration body 1 reaches a resonance state, the materials 9 near the beam frame type vibration body 1 are forced to vibrate, the vibration is conducted to the materials 9 in the storage bin through contact conduction or sound waves, the materials fall down naturally after being loosened, the arching phenomenon is avoided or the formed arching condition is prevented from being damaged, and the aim that the materials can flow out from the discharge port under the storage bin smoothly is fulfilled.

The self-adaptive vibration system 10 comprises a vibration exciter 2, a vibration pickup 3 and a vibration controller 7 for controlling the vibration exciting frequency of the vibration exciter 2 acting on the beam-frame type vibration body 1, wherein the vibration exciter 2, the vibration pickup 3 and the vibration controller 7 form a closed loop, and the vibration exciter 2, the vibration pickup 3 and the vibration controller 7 are powered by mains supply.

The vibration pickup 3 collects the resonance frequency and amplitude of the beam-frame type vibration body 1 and feeds the resonance frequency and amplitude back to the vibration controller 7, and the vibration controller 7 adjusts the vibration excitation frequency and amplitude of the vibration exciter 2.

The vibration controller 7 comprises a signal amplification module, an analog-to-digital conversion module, a data operation module, a data storage module and a power amplification module which are connected in sequence;

the signal amplification module is used for amplifying the vibration frequency of the beam-mounted vibration body 1 collected by the vibration pickup 3, transmitting the amplified signal to the analog-to-digital conversion module, converting the amplified signal into a digital signal by the analog-to-digital conversion module, carrying out operation analysis on the digital signal by the data operation module to obtain the frequency of the resonance state of the beam-mounted vibration body 1, meanwhile, the data storage module stores the frequency of the resonance state obtained by analysis, and the function amplification module receives the analysis result to generate a driving signal for controlling the vibration exciter 2, so that feedback control of the resonance state of the beam-mounted vibration body 1 is realized.

The beam type vibration body 1 is a single beam body structure or a combined structure formed by connecting a plurality of beam bodies to form H shape, X shape, annular shape and polygon.

The vibration exciter 2 and the vibration pickup 3 are provided with protective covers 4, and the vibration controller 7 is internally provided with an explosion-proof isolation grid.

And the cables between the vibration exciter 2 and the vibration pickup 3 and between the vibration controller 7 adopt flame-retardant cables meeting the explosion-proof requirement.

The cross section of the beam-type vibrating body 1 is in any one of an I shape, a rectangular shape, a circular shape or a square shape.

As shown in fig. 2, when the device is installed and used, the beam type arch breaker is installed at the lower part in the storage bin so as not to obstruct the blanking.

The invention also provides an arch breaking method based on the beam frame type arch breaker, which comprises the following steps:

step 100, mounting the beam frame type arch breaker above the outlet end of the storage bin;

step 200, starting a power supply to enable the beam frame type arch breaking device to work when a storage bin discharges materials;

step 300, enabling a vibration exciter to provide a vibration source for the beam-mounted vibration body by the vibration controller at a preset initial frequency, enabling the beam-mounted vibration body to reach a resonance state under the action of the vibration source and a damping device and arch breaking bulk materials in a storage bin, and acquiring the vibration frequency and the vibration amplitude of the beam-mounted vibration body by the vibration pickup in real time or at preset fixed time intervals and feeding the vibration frequency and the vibration amplitude back to the vibration controller;

step 400, when the vibration controller judges that the vibration frequency and the vibration amplitude of the beam-frame type vibration body are within a preset threshold range, the vibration controller provides a power supply without adjusting the vibration frequency and the vibration amplitude of a vibration exciter;

step 500, when the vibration controller judges that any one of the vibration frequency and the vibration amplitude of the beam-type vibration body is greater than a preset upper limit value, the vibration controller adjusts and reduces the vibration frequency or the vibration amplitude of the vibration exciter; when the vibration controller judges that any one of the vibration frequency and the vibration amplitude of the beam-type vibration body is smaller than a preset lower limit value, the vibration controller adjusts and raises the vibration frequency or the vibration amplitude of the vibration exciter.

Further, the invention provides a storage bin adopting the beam-mounted arch breaker, which comprises a bin body 8 and a discharge port 11 arranged at the bottom end of the bin body 8 and used for discharging, wherein a beam-mounted vibration body 1 of the beam-mounted arch breaker is arranged in the bin body 8 and positioned at the upper end of the discharge port 11, and damping devices 5 at two ends of the beam-mounted vibration body 1 are fixed on the side wall of the bin body 8.

The power supply and vibration controller 7 of the beam-frame arch breaker is arranged outside the bin body 8.

Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.