Protective device for tail roller of conveyor

Abstract

The invention provides a protective device for a conveyor tail roller, the protective device for the conveyor tail roller comprises a protective shell, a flushing assembly and a flow guide assembly, the protective shell sleeves the circumferential direction of the conveyor tail roller, and the flushing assembly comprises a flushing part; the flushing part is connected with the protective shell and located on the side, close to the conveyor tail roller, of the protective shell, the flushing part is used for spraying cleaning liquid towards any one of the protective shell and the conveyor tail roller, the flow guide assembly comprises a first flow guide plate, the first end of the first flow guide plate is connected with the protective shell, and the second end of the first flow guide plate is connected with the storage groove; the first flow guide plate comprises a plurality of flow guide sections connected in sequence, flow guide holes penetrating through the flow guide sections in the thickness direction of the flow guide sections are formed in the flow guide sections, and the hole diameters of the flow guide holes in the flow guide sections are gradually increased in the flowing direction of the sprayed cleaning fluid. According to the protective device for the tail roller of the conveyor, the dust concentration can be reduced, and the environmental sanitation around the conveyor is improved.

Description

Technical Field

[0001] The invention relates to the technical field of mining equipment protection, and in particular to a protection device for a conveyor tail roller. Background Art

[0002] Belt conveyor is the main equipment in the coal transportation industry of power plants. The belt of belt conveyor is divided into working surface and non-working surface. There will be coal powder on the working surface. After the belt conveyor is started, the coal powder on the working surface will be thrown out due to the centrifugal force when passing through the tail roller.

[0003] In the related technology, the protective cover of the tail roller of the belt conveyor in the coal transportation industry of power plants is in the form of a mesh. During use, the coal powder will pass through the mesh protective cover and be thrown into the transfer station, causing the dust concentration at the tail roller to be significantly higher than other locations, thereby greatly increasing the dust concentration in the transfer station. Large coal powder particles will fall to the ground due to gravity, and after mixing with the flushing water, they will also have a significant impact on the sanitation of the transfer station. Summary of the invention

[0004] The present invention aims to solve one of the technical problems in the related art at least to a certain extent. To this end, an embodiment of the present invention provides a protective device for a conveyor tail roller, which can reduce dust concentration and improve the environmental sanitation around the conveyor.

[0005] The protective device for the conveyor tail roller of the embodiment of the present invention comprises:

[0006] A protective shell, wherein the protective shell is sleeved on the circumference of the conveyor tail roller;

[0007] A flushing assembly, the flushing assembly comprising a flushing member, the flushing member being connected to the protective housing and being located on a side of the protective housing adjacent to the conveyor tail roller, the flushing member being used to spray a cleaning liquid toward either the protective housing or the conveyor tail roller;

[0008] A guide assembly, wherein the guide assembly includes a first guide plate, wherein a first end of the first guide plate is connected to the protective shell, a second end of the first guide plate is connected to the storage tank, the first guide plate includes a plurality of guide segments connected in sequence, the guide segments are provided with guide holes penetrating the guide segments along the thickness thereof, and along the flow direction of the sprayed cleaning fluid, the apertures of the guide holes on the plurality of guide segments gradually increase.

[0009] The protective device for the tail roller of the conveyor in the embodiment of the present invention can utilize the protective shell to suppress the coal powder particles raised by the tail roller of the conveyor during rotation, and clean and collect the coal powder attached to the roller and the wall of the protective shell, which not only avoids the adhesion of coal powder to the protective shell during use, but also reduces the concentration of coal powder around the conveyor during use, thereby providing a good working environment for on-site workers and ensuring the physical and mental health of on-site workers.

[0010] In some embodiments, the flushing component includes a first nozzle and a second nozzle, an extension direction of the first nozzle and an extension direction of the second nozzle have an included angle, the first nozzle extends toward the protective shell, and the second nozzle extends toward the tail roller of the conveyor.

[0011] In some embodiments, the extension direction of the first nozzle is tangent to the arc-shaped side wall of the protective shell, and the extension direction of the second nozzle is tangent to the arc-shaped side wall of the conveyor tail roller.

[0012] In some embodiments, the first end of the first guide plate is tangent to the lower end of the protective shell.

[0013] In some embodiments, the guide assembly further includes a second guide plate, the second guide plate is connected to the first guide plate and is located below the first guide plate, and the second guide plate is movable relative to the first guide plate.

[0014] In some embodiments, the guide assembly includes a guide drive, which is connected to the first end of the second guide plate, and the second end of the second guide plate is rotatably connected to the second end of the first guide plate, and the guide drive is used to drive the second guide plate to move.

[0015] In some embodiments, the first guide plate and the second guide plate are both arranged at an inclination, and the inclination angle of the first guide plate is smaller than the inclination angle of the second guide plate.

[0016] In some embodiments, the protective shell includes a first protective segment and a second protective segment, the first protective segment is located above the second protective segment, and a wall surface of the first protective segment is a hollow structure.

[0017] In some embodiments, in a plane orthogonal to the axial direction of the conveyor tail roller, a length of a bottom wall of the first guard segment is smaller than a length of a bottom wall of the second guard segment.

[0018] In some embodiments, the first protection segment is detachably connected to the second protection segment, and the flushing component is connected to the bottom wall of the first protection segment and is arranged adjacent to the second protection segment. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic structural diagram of a protective device for a conveyor tail roller according to an embodiment of the present invention.

[0020] Figure 2 It is a schematic structural diagram of a first guide plate of a protective device for a conveyor tail roller according to an embodiment of the present invention.

[0021] Reference numerals:

[0022] 100, conveyor tail roller, 200, storage tank,

[0023] 1. Protective housing, 11. First protective section, 12. Second protective section,

[0024] 2. Flushing assembly, 21. Flushing member, 211. First nozzle, 212. Second nozzle,

[0025] 3. guide assembly, 31. first guide plate, 311. guide section, 312. guide hole, 32. second guide plate, 33. guide drive member. DETAILED DESCRIPTION

[0026] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0027] like Figure 1 and Figure 2 As shown, the protective device for the tail roller of a conveyor according to an embodiment of the present invention comprises: a protective shell 1, a flushing component 2 and a flow guide component 3.

[0028] The protective shell 1 is sleeved on the circumference of the conveyor tail roller 100. The flushing assembly 2 includes a flushing member 21, which is connected to the protective shell 1 and is located on the side of the protective shell 1 adjacent to the conveyor tail roller 100. The flushing member 21 is used to spray cleaning liquid toward either the protective shell 1 or the conveyor tail roller 100. The guide assembly 3 includes a first guide plate 31, a first end of the first guide plate 31 is connected to the protective shell 1, and a second end of the first guide plate 31 is connected to the storage tank 200. The first guide plate 31 includes a plurality of guide sections 311 connected in sequence, and the guide section 311 is provided with a guide hole 312 that penetrates the guide section 311 along its thickness. In the flow direction of the sprayed cleaning liquid, the apertures of the guide holes 312 on the plurality of guide sections 311 gradually increase.

[0029] Specifically, Figure 1 and Figure 2As shown, the protective housing 1 is a semicircular structure, and the protective housing 1 is mounted on the left side of the conveyor tail roller 100, so as to block the coal powder raised by the conveyor tail roller 100 during operation. The flushing member 21 can be connected to the protective housing 1 by welding or bolting, and the flushing assembly 2 also includes a water storage tank, and the flushing member 21 is connected to the water storage tank, so that the flushing member 21 can spray the liquid in the water storage tank toward either the protective housing 1 or the conveyor tail roller 100, so as to clean the coal powder attached to the surface of the protective housing 1 and the conveyor tail roller 100.

[0030] It is understandable that if Figure 2 As shown, the first guide plate 31 generally extends in the left-right direction, the left end of the first guide plate 31 (i.e., the first end of the first guide plate 31) is connected to the lower end of the protective shell 1, and the right end of the first guide plate 31 is connected to the storage tank 200, so that the flushing member 21 flushes the coal powder on the wall of the protective shell 1 and the conveyor tail roller 100 and then flows into the storage tank 200 through the first guide plate 31.

[0031] It should be noted that the guide holes 312 on the multiple guide plates can discharge coal blocks (i.e., coal arches) of different particle sizes to avoid accumulation on the guide plates and clogging the guide plates. That is to say, after the flushing member 21 washes off the coal powder and coal blocks on the protective shell 1 and the conveyor tail roller 100, the coal powder and coal blocks will mix with the cleaning liquid to form a coal powder mixture and flow to the first guide plate 31. The coal powder mixture flows along the first guide plate 31 and flows through the guide holes 312 of the multiple guide plates in sequence. Due to the aperture of the guide holes 312 on the first guide plate 31 adjacent to the protective shell 1, the larger coal blocks in the coal powder mixture will still flow along the first guide plate 31, while part of the coal powder mixture will flow out through the guide holes 312, thereby reducing the volume of the coal powder mixture on the first guide plate 31, and also reducing the possibility of the coal powder mixture accumulating on the first guide plate 31, ensuring the overall fluidity of the coal powder mixture.

[0032] In addition, due to the presence of the guide holes 312, the mixed liquid in the coal powder mixture that is close to the liquid state is more likely to flow out through the guide holes 312. Therefore, it is easier to ensure the flow state in the area flowing out through the guide holes 312. Therefore, when the flow rate of the coal powder mixture is too large and forms a solidification or agglomeration state in a part of the first guide plate 31, the presence of the guide holes 312 can easily ensure that the water in the coal powder mixture flows in the area of ​​the guide holes 312, so as to reduce the occurrence of the solidification and agglomeration problems of the coal powder mixture, thereby ensuring the smooth flow of the liquid for washing the coal powder and reducing the possibility of blockage of the guide plate.

[0033] The protective device for the tail roller of the conveyor in the embodiment of the present invention can utilize the protective shell 1 to suppress the coal powder particles raised by the tail roller 100 of the conveyor during rotation, and clean and collect the coal powder attached to the roller and the wall of the protective shell 1, which not only avoids the adhesion of coal powder to the protective shell 1 during use, but also reduces the concentration of coal powder around the conveyor during use, thereby providing a good working environment for on-site workers and ensuring the physical and mental health of on-site workers.

[0034] In some embodiments, the flushing element 21 includes a first nozzle 211 and a second nozzle 212. There is an angle between the extension direction of the first nozzle 211 and the extension direction of the second nozzle 212. The first nozzle 211 extends toward the protective shell 1, and the second nozzle 212 extends toward the conveyor tail roller 100.

[0035] Specifically, Figure 1 As shown, the extension direction of the first nozzle 211 extends toward the lower left, and the extension direction of the second nozzle 212 extends toward the lower right, so that the water sprayed by the first nozzle 211 and the second nozzle 212 can respectively impact the surface of the protective shell 1 and the conveyor tail roller 100 to ensure the flushing effect.

[0036] Optionally, the first nozzle 211 and the second nozzle 212 can be high-pressure nozzles to ensure the flushing effect. The first nozzle 211 and the second nozzle 212 are both multiple, and the multiple first nozzles 211 and the multiple second nozzles 212 are arranged at intervals along the width direction of the conveyor tail roller 100.

[0037] Preferably, in the protective device for the tail roller of the conveyor according to the embodiment of the present invention, the extension direction of the first nozzle 211 is tangent to the arc-shaped side wall of the protective shell 1 , and the extension direction of the second nozzle 212 is tangent to the arc-shaped side wall of the tail roller 100 of the conveyor.

[0038] It is understandable that if Figure 1 As shown, the liquid sprayed by the first nozzle 211 can flow along the arc-shaped bottom wall of the protective shell 1, reducing the collision between the liquid and the wall of the protective shell 1, thereby reducing the equipment corrosion caused by liquid splashing. Similarly, the body fluid sprayed by the second nozzle 212 can flow along the side wall of the conveyor tail roller 100, which can also reduce the equipment corrosion caused by liquid splashing.

[0039] Preferably, the first end of the first guide plate 31 is tangent to the lower end of the protective housing 1. Figure 1 As shown, the left end of the first guide plate 31 is smoothly connected to the lower end of the protective shell 1, so that the coal powder flowing with the cleaning liquid in the protective shell 1 can smoothly flow into the storage tank 200 through the protective shell 1, avoiding the accumulation of coal powder on the first guide plate 31 and improving the cleaning effect.

[0040] In some embodiments, the guide assembly 3 further includes a second guide plate 32 , which is connected to the first guide plate 31 and is located below the first guide plate 31 , and the second guide plate 32 is movable relative to the first guide plate 31 .

[0041] Specifically, Figure 1 As shown, the right end of the second guide plate 32 is arranged adjacent to the storage tank 200 . Then, the second guide plate 32 is arranged below the first guide plate 31 , so that the pulverized coal mixture flowing out of the guide holes 312 on the first guide plate 31 can flow into the storage tank 200 through the second guide plate 32 .

[0042] It can be understood that the second guide plate 32 is movable relative to the first guide plate 31 , so that the pulverized coal mixed liquid flowing onto the second guide plate 32 can quickly flow to the storage tank 200 .

[0043] In some embodiments, the guide assembly 3 includes a guide drive 33, which is connected to the first end of the second guide plate 32, and the second end of the second guide plate 32 is rotatably connected to the second end of the first guide plate 31, and the guide drive 33 is used to drive the second guide plate 32 to move.

[0044] It can be understood that the guide drive 33 can be a high-frequency vibration device, such as a high-frequency vibration motor. The output shaft of the guide drive 33 is connected to the left end of the second guide plate 32 (i.e., the first end of the second guide plate 32) through a coupling, and the right end of the second guide plate 32 (i.e., the second end of the second guide plate 32) can be connected to the right end of the first guide plate 31 in a hinged manner, so that when the guide drive 33 drives the second guide plate 32 to rotate, the second guide plate 32 can move relative to the first guide plate 31, thereby driving the coal powder mixture on the second guide plate 32 to flow quickly. In addition, the right end of the second guide plate 32 can also be connected to the right end of the first guide plate 31 by a chain to ensure that the second guide plate 32 can achieve a screening function.

[0045] That is to say, the guide drive 33 can drive the left end of the second guide plate 32 to rotate around the rotation axis of the guide drive 33, so that the second guide plate 32 can realize circumferential motion around the axial direction of the guide drive 33, thereby realizing the screening operation of the coal powder mixture on the second guide plate 32, avoiding the coal powder mixture from solidifying on the second guide plate 32, and also allowing the coal powder mixture to flow quickly to the storage tank 200.

[0046] Preferably, the first guide plate 31 and the second guide plate 32 are both arranged obliquely, and the inclination angle of the first guide plate 31 is smaller than the inclination angle of the second guide plate 32. Figure 1As shown, the first guide plate 31 is arranged at an angle to facilitate the flow of the pulverized coal mixture. The second guide plate 32 has a greater inclination angle than the first guide plate 31, so that the flow rate of the pulverized coal mixture flowing through the guide hole 312 to the second guide plate 32 is increased, and under the driving action of the guide drive 33, the flow rate of the pulverized coal mixture is further increased.

[0047] In some embodiments, the protective shell 1 includes a first protective segment 11 and a second protective segment 12 , the first protective segment 11 is located above the second protective segment 12 , and the wall surface of the first protective segment 11 is a hollow structure.

[0048] Specifically, Figure 1 As shown, the first protection section 11 and the second protection section 12 are both composed of side walls located on the front and rear sides of the conveyor tail roller 100 and an arc-shaped bottom wall, and the first protection section 11 and the second protection section 12 are combined to form a semicircular protection shell 1 to cover the left side of the conveyor tail roller 100, thereby suppressing the coal powder from being lifted up by the conveyor tail roller 100.

[0049] It can be understood that the front and rear side walls and the bottom wall of the first protective section 11 can all adopt a hollow structure, that is, the state of the conveyor tail roller 100, the cleaning part and the inner wall surface of the second protective section 12 when in use can be clearly seen through the first protective section 11, thereby ensuring the safe and efficient operation of the conveyor tail roller 100.

[0050] Optionally, the first protection section 11 may also be made of a wire mesh structure. Of course, other materials or structures may also be used under the premise of preventing coal blocks on the conveyor tail roller 100 from being ejected.

[0051] In some embodiments, in a plane orthogonal to the axial direction of the conveyor tail roller 100 (i.e. Figure 1 The bottom wall length of the first protection segment 11 is smaller than the bottom wall length of the second protection segment 12.

[0052] It is understandable that if Figure 1 As shown, the arc size of the first protection segment 11 is smaller than the arc size of the second protection segment 12, thereby increasing the protection effect of the second protection segment 12 and ensuring the safe operation of the conveyor tail roller 100.

[0053] In some embodiments, the first protection segment 11 is detachably connected to the second protection segment 12 , and the flushing member 21 is connected to the bottom wall of the first protection segment 11 and is arranged adjacent to the second protection segment 12 .

[0054] It is understandable that the first protection segment 11 and the second protection segment 12 can be connected by means of clamping or bolts to facilitate the disassembly and assembly between the first protection segment 11 and the second protection segment 12. In other words, the first protection segment 11 and the second protection segment 12 are connected in a detachable manner, so that the protective shell 1 can be discovered and disassembled in time when there is a blockage or the cleaning part does not run smoothly, thereby achieving rapid maintenance and replacement. The cleaning part is connected to the first protection segment 11, so that when the cleaning part does not run smoothly, it only needs to remove the connection between the first protection segment 11 and the second protection segment 12 to repair or replace the cleaning part, which is convenient for the maintenance work of the staff.

[0055] In the description of the present invention, it is to be understood that the terms “center”, “longitudinal”, “lateral”, “length”, “width”, “thickness”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “clockwise”, “counterclockwise”, “axial”, “radial”, “circumferential”, etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0056] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0057] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0058] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0059] In the present invention, the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0060] Although the above embodiments have been shown and described, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations on the present invention. Changes, modifications, substitutions and variations of the above embodiments by those of ordinary skill in the art are all within the scope of protection of the present invention.

Claims

1. A protective device for the tail roller of a conveyor, characterized in that: include: A protective shell, wherein the protective shell is sleeved on the circumference of the conveyor tail roller; A flushing assembly, the flushing assembly comprising a flushing member, the flushing member being connected to the protective housing and being located on a side of the protective housing adjacent to the conveyor tail roller, the flushing member being used to spray a cleaning liquid toward either the protective housing or the conveyor tail roller; A guide assembly, wherein the guide assembly includes a first guide plate, wherein a first end of the first guide plate is connected to the protective shell, a second end of the first guide plate is connected to the storage tank, the first guide plate includes a plurality of guide segments connected in sequence, the guide segments are provided with guide holes penetrating the guide segments along the thickness thereof, and along the flow direction of the sprayed cleaning fluid, the apertures of the guide holes on the plurality of guide segments gradually increase.

2. The protective device for the tail roller of a conveyor according to claim 1, characterized in that: The flushing component includes a first nozzle and a second nozzle, an extension direction of the first nozzle and an extension direction of the second nozzle form an included angle, the first nozzle extends toward the protective shell, and the second nozzle extends toward the conveyor tail roller.

3. The protective device for the tail roller of a conveyor according to claim 2, characterized in that: The extending direction of the first nozzle is tangent to the arc-shaped side wall of the protective shell, and the extending direction of the second nozzle is tangent to the arc-shaped side wall of the conveyor tail roller.

4. The protective device for the tail roller of a conveyor according to claim 1, characterized in that: The first end of the first guide plate is tangent to the lower end of the protective shell.

5. The protective device for the tail roller of a conveyor according to claim 4, characterized in that: The guide assembly further includes a second guide plate, which is connected to the first guide plate and located below the first guide plate, and the second guide plate is movable relative to the first guide plate.

6. The protective device for the conveyor tail roller according to claim 5, characterized in that: The guide assembly includes a guide drive, which is connected to the first end of the second guide plate. The second end of the second guide plate is rotatably connected to the second end of the first guide plate. The guide drive is used to drive the second guide plate to move.

7. The protective device for the conveyor tail roller according to claim 6, characterized in that: The first guide plate and the second guide plate are both arranged obliquely, and the inclination angle of the first guide plate is smaller than the inclination angle of the second guide plate.

8. The protective device for the tail roller of a conveyor according to any one of claims 1 to 7, characterized in that: The protective shell includes a first protective segment and a second protective segment, the first protective segment is located above the second protective segment, and a wall surface of the first protective segment is a hollow structure.

9. The protective device for the tail roller of a conveyor according to claim 8, characterized in that: In a plane orthogonal to the axial direction of the conveyor tail roller, the bottom wall length of the first protection section is smaller than the bottom wall length of the second protection section.

10. The protective device for the tail roller of a conveyor according to claim 9, characterized in that: The first protection segment is detachably connected to the second protection segment, and the flushing component is connected to the bottom wall of the first protection segment and is arranged adjacent to the second protection segment.

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