Deviation prevention device and method for coal mine conveying belt

Abstract

The invention provides a coal mine conveying belt deviation preventing device and method, and relates to the technical field of coal mine conveying equipment, the coal mine conveying belt deviation preventing device comprises a rack, a conveying belt, a first width adjusting assembly and a second width adjusting assembly, the conveying belt is arranged on the rack, and the conveying belt is used for conveying coal; the first width adjusting assembly and the second width adjusting assembly are arranged on the two sides of the conveying belt in the width direction of the conveying belt and each comprise a telescopic cylinder and a baffle, cylinder bodies of the telescopic cylinders are connected with the rack, piston rods of the telescopic cylinders are connected with the baffles so as to push and pull the baffles in the width direction of the conveying belt, and the baffles are located above the top of the conveying belt. A conveying channel is jointly defined by the baffle of the first width adjusting assembly, the baffle of the second width adjusting assembly and the conveying belt. The coal conveying channel can be limited in the middle area of the conveying belt before conveying, so that the conveying stability of the conveying belt is improved, the deviation probability of the conveying belt is effectively reduced, and therefore the deviation correction frequency and the maintenance cost are reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of coal mine transportation equipment, and particularly to an anti-deviation device and method for a coal mine transportation belt. Background Art

[0002] Due to advantages such as low accident rate, small power consumption, long running time, and long conveying distance, belt conveyors are widely used in the coal transportation link of coal mine production operations. However, during the coal transportation process, there are usually problems such as uneven belt stress, offset coal dropping position, and large transportation inclination angle, so that the transportation belt is prone to deviation.

[0003] In related technologies, to prevent the belt from deviating, it is necessary for operators to correct the deviation of the transportation belt regularly, or use a limit component to finely adjust the slight deviation of the transportation belt in real time. However, the above methods are all used to correct the deviation when the transportation belt deviates, with frequent deviation correction times and high maintenance costs. Summary of the Invention

[0004] The present invention aims to solve at least one of the technical problems in the related technologies to some extent.

[0005] To this end, an embodiment of one aspect of the present invention provides an anti-deviation device for a coal mine transportation belt. The anti-deviation device for a coal mine transportation belt can limit the coal transportation channel to the middle area of the conveyor belt before transportation, so as to increase the transportation stability of the conveyor belt, effectively reduce the probability of the conveyor belt deviating, and thus reduce the deviation correction times and maintenance costs.

[0006] An embodiment of another aspect of the present invention provides an anti-deviation method for a coal mine transportation belt.

[0007] An anti-deviation device for a coal mine transportation belt according to an embodiment of the present invention includes a frame, a conveyor belt, a first width-adjusting component, and a second width-adjusting component. The conveyor belt is arranged on the frame and is used for transporting coal. The first width-adjusting component and the second width-adjusting component are respectively arranged on both sides of the conveyor belt along the width direction of the conveyor belt, and both include a telescopic cylinder and a baffle. The cylinder body of the telescopic cylinder is connected to the frame, and the piston rod of the telescopic cylinder is connected to the baffle to push and pull the baffle along the width direction of the conveyor belt. The baffle is located above the top of the conveyor belt. The baffle of the first width-adjusting component, the baffle of the second width-adjusting component, and the conveyor belt jointly define a transportation channel.

[0008] According to the anti-deviation device for a coal mine transportation belt according to an embodiment of the present invention, which is cooperated by a first width adjustment component and a second width adjustment component, it is possible to adjust the positions of the baffles of the first width adjustment component and the second width adjustment component on the conveyor belt, so that the conveying channel for transporting coal is in the middle area of the conveyor belt, effectively avoiding the problem that the conveyor belt is prone to deviation due to the deviation of the coal falling position from the middle area of the conveyor belt during coal transportation. Therefore, compared with the related art, the present invention can limit the coal conveying channel to the middle area of the conveyor belt before transportation, so as to increase the transportation stability of the conveyor belt, effectively reduce the probability of the conveyor belt deviating, and thus reduce the deviation correction times and maintenance costs.

[0009] In some embodiments, the anti-deviation device further includes a driving component and an adjustment plate. The driving component is arranged on the frame; the adjustment plate is arranged along the width direction of the conveyor belt with the conveyor belt. The conveyor belt has an edge facing the adjustment plate, and the adjustment plate can be in contact with the edge of the conveyor belt. The driving component is in transmission connection with the adjustment plate to push the conveyor belt to slide in a direction away from the adjustment plate along its width direction.

[0010] In some embodiments, there are two adjustment plates, which are respectively arranged on both sides of the conveyor belt along the width direction of the conveyor belt.

[0011] In some embodiments, the driving component pushes and pulls the adjustment plate in the up and down direction;

[0012] The adjustment plate has a first guiding surface facing the edge of the conveyor belt. The first guiding surface is movably connected to the edge of the conveyor belt along a first direction. The first direction forms an acute angle or an obtuse angle with the width direction of the conveyor belt, and the up and down direction forms an included angle with both the first direction and the width direction of the conveyor belt.

[0013] In some embodiments, the driving component includes a driving motor, a driving gear, a driven gear and a rack. The driving motor is arranged on the frame; the rotating shaft of the driving motor is in transmission connection with the driving gear. The driving gear, the driven gear and the rack are in meshing transmission in sequence. The driven gear is rotatably connected to the frame, and the rack is slidably connected to the frame along the up and down direction. The adjustment plate is arranged at the top of the rack.

[0014] In some embodiments, the anti-deviation device further includes an extension plate. The extension plate is arranged at an interval along the extension direction of the conveyor belt with the adjustment plate, and the extension plate is connected to the adjustment plate;

[0015] The extension plate has a second guiding surface facing the edge of the conveyor belt. The second guiding surface is movably connected to the edge of the conveyor belt along the first direction.

[0016] In some embodiments, there are at least two extension plates. The at least two extension plates are arranged at intervals along the extending direction of the conveyor belt. Any two adjacent extension plates are connected to each other, and the extension plate closest to the adjustment plate is connected to the corresponding adjustment plate.

[0017] In some embodiments, the anti-deviation device further includes a trigger button and an alarm. The trigger button is located below the conveyor belt; both the alarm and the trigger button are provided on the frame. When the conveyor belt moves beyond a set distance value in its width direction, the bottom of the conveyor belt abuts against the trigger end of the trigger button, and the trigger button is electrically connected to the alarm.

[0018] In some embodiments, the anti-deviation device further includes an elastic member. The first end of the elastic member is connected to the frame, and the second end of the elastic member is connected to the trigger button. The elastic member can push and pull the trigger button in the up and down direction to approach or move away from the bottom of the conveyor belt.

[0019] In some embodiments, the anti-deviation device further includes a limiting plate. The limiting plate is provided on the frame. The limiting plate is located outside the conveyor belt in the width direction of the conveyor belt. The top of the limiting plate is higher than the top of the conveyor belt. The limiting plate is used to limit the conveyor belt in the width direction of the conveyor belt.

[0020] A method for preventing deviation of a coal mine transportation belt according to an embodiment of the present invention. The anti-deviation method includes the following steps:

[0021] Pre-adjust the position of the conveying channel so that the conveying channel is located in the middle area of the conveyor belt;

[0022] The conveyor belt deviates by a first distance value in its width direction. The first distance value is less than the set distance value. The driving assembly acts on the adjustment plate to push the conveyor belt to slide in its width direction until the conveyor belt is reset;

[0023] The conveyor belt deviates by a second distance value in its width direction. The second distance value is greater than the set distance value. The bottom of the conveyor belt presses the trigger button, and the trigger button triggers the alarm to give an alarm.

[0024] The method for preventing the coal mine transport belt from deviation according to the embodiment of the present invention comprises the following three anti-deviation methods: centering the coal conveying channel before transportation, correcting the conveyor belt by cooperating with the drive assembly and the adjustment plate when the conveyor belt deviates slightly, and providing an early warning when the conveyor belt deviates seriously. This can ensure the smooth transportation of coal by the coal mine transport belt to the greatest extent. Therefore, compared with the related technology, the present invention can effectively reduce the number of corrections, reduce maintenance costs, and ensure the safety of coal mine transportation.

[0025] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 The present invention is a schematic structural diagram of a device for preventing a coal mine conveyor belt from deviation according to an embodiment of the present invention.

[0027] Figure 2 yes Figure 1 Schematic diagram of the cross-section structure.

[0028] Figure 3 The invention is a schematic diagram of the connection structure of a frame, a second width adjustment component, a drive component, an adjustment plate and an expansion plate in a device for preventing a coal mine conveyor belt from running off track according to an embodiment of the present invention.

[0029] Figure 4 yes Figure 3 Schematic diagram of the local enlarged structure at point A in the middle.

[0030] Figure 5 The present invention is a flowchart of a method for preventing a coal mine conveyor belt from deviation according to an embodiment of the present invention.

[0031] Reference numerals:

[0032] 1. Frame;

[0033] 2. Conveyor belt; 21. Edge of conveyor belt;

[0034] 3. First width adjustment component; 31. Telescopic cylinder; 32. Baffle; 33. Conveying channel;

[0035] 4. Second width adjustment component;

[0036] 5. Driving assembly; 51. Driving motor; 52. Driving gear; 53. Driven gear; 54. Rack;

[0037] 6. Adjusting plate; 61. First guide surface;

[0038] 7. expansion board; 71. second guide surface;

[0039] 8. trigger button; 81. elastic member; 82. limit plate;

[0040] 9. Siren. DETAILED DESCRIPTION

[0041] 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.

[0042] like Figure 1 and Figure 2 As shown, a coal mine transport belt anti-deviation device according to an embodiment of the present invention includes a frame 1, a conveyor belt 2, a first width adjustment component 3 and a second width adjustment component 4. The conveyor belt 2 is arranged on the frame 1, and the conveyor belt 2 is used to transport coal; the first width adjustment component 3 and the second width adjustment component 4 are respectively arranged on both sides of the conveyor belt 2 along the width direction of the conveyor belt 2 and both include a telescopic cylinder 31 and a baffle 32, the cylinder body of the telescopic cylinder 31 is connected to the frame 1, and the piston rod of the telescopic cylinder 31 is connected to the baffle 32 to push and pull the baffle 32 along the width direction of the conveyor belt 2, and the baffle 32 is located above the top of the conveyor belt 2, and a conveying channel 33 is jointly defined between the baffle 32 of the first width adjustment component 3, the baffle 32 of the second width adjustment component 4 and the conveyor belt 2.

[0043] According to the coal mine transport belt anti-deviation device of the embodiment of the present invention, the first width adjusting component 3 and the second width adjusting component 4 cooperate to adjust the positions of the baffle 32 of the first width adjusting component 3 and the baffle 32 of the second width adjusting component 4 on the conveyor belt 2 so that the conveying channel 33 used to transport coal is in the middle area of ​​the conveyor belt 2, thereby effectively avoiding the problem that the conveyor belt 2 is easily deviated due to the coal falling position deviating from the middle area of ​​the conveyor belt 2 during coal transportation. Therefore, compared with the related art, the present invention can limit the coal conveying channel 33 to the middle area of ​​the conveyor belt 2 before transportation, so as to increase the transportation stability of the conveyor belt 2, effectively reduce the probability of the conveyor belt 2 deviating, and thus reduce the number of corrections and maintenance costs.

[0044] Specifically, the extension direction of the conveyor belt 2 may be the front-to-back direction in the figure. The width direction of the conveyor belt 2 may be the left-to-right direction in the figure. The conveyor belt 2 may be rotatably mounted on the frame 1. The specific structure and working principle of the conveyor belt 2 may adopt the existing technology in the field and will not be expanded here. The first width adjustment component 3 may be located on the left side of the conveyor belt 2, and the second width adjustment component 4 may be located on the right side of the conveyor belt 2. The telescopic cylinder 31 may not be limited to being one of a hydraulic cylinder, an electric cylinder, a pneumatic cylinder and an oil cylinder. The baffle 32 may extend in the front-to-back direction. The bottom of the baffle 32 may contact the top of the conveyor belt 2. The baffle 32 of the first width adjustment component 3 may be located on the left side of the conveyor belt 2, and the baffle 32 of the second width adjustment component 4 may be located on the right side of the conveyor belt 2. The conveying channel 33 may extend in the front-to-back direction.

[0045] In addition, the width of the conveying channel 33 (i.e., the distance between the baffles 32 of the first width-adjusting assembly 3 and the baffles 32 of the second width-adjusting assembly 4 in the left-right direction) can be adaptively adjusted according to the size of the transported coal to ensure that the coal is in the central area of the conveyor belt 2, which will not be specifically elaborated here.

[0046] Furthermore, the piston rod of the telescopic cylinder 31 is detachably connected to the baffle 32, so that when one of the two connected parts is damaged and fails, only the corresponding damaged part needs to be replaced to enable the normal operation of the anti-deviation device, without scrapping the entire anti-deviation device, further effectively reducing the maintenance cost of the anti-deviation device.

[0047] Furthermore, the anti-deviation device may further include a linkage member (not shown in the figure). The linkage member is provided below the conveyor belt 2 and is used to link the telescopic cylinders 31 of the first width-adjusting assembly 3 and the telescopic cylinders 31 of the second width-adjusting assembly 4. Alternatively, the telescopic cylinders 31 of the first width-adjusting assembly 3 and the telescopic cylinders 31 of the second width-adjusting assembly 4 are integrated into one body, that is, both adopt the structure of a double-headed telescopic cylinder 31, so that the baffles 32 of the first width-adjusting assembly 3 and the baffles 32 of the second width-adjusting assembly 4 can move synchronously, realizing the synchronous adjustment of the two baffles 32, ensuring that the conveying channel 33 is located in the middle area of the conveyor belt 2, reducing the difficulty of centering processing, and thus ensuring the coal mine transportation efficiency.

[0048] As Figure 2 and Figure 3 shown, in some embodiments, the anti-deviation device further includes a driving assembly 5 and an adjusting plate 6. The driving assembly 5 is arranged on the frame 1; the adjusting plate 6 is arranged along the width direction of the conveyor belt 2. The conveyor belt 2 has an edge facing the adjusting plate 6, and the adjusting plate 6 can be in contact with the edge 21 of the conveyor belt. The driving assembly 5 is in transmission connection with the adjusting plate 6 to push the conveyor belt 2 to slide in a direction away from the adjusting plate 6 along its width direction.

[0049] It can be understood that the driving assembly 5 acts on the adjusting plate 6, so that the adjusting plate 6 can push the conveyor belt 2 to slide in the left-right direction to finely adjust the position of the conveyor belt 2 on the frame 1, realizing the convenient adjustment of the slight deviation of the conveyor belt 2 and ensuring the stability of coal transportation.

[0050] Specifically, the adjusting plate 6 can be located on the left side of the conveyor belt 2, and the conveyor belt 2 has a left edge facing the adjusting plate 6; or the adjusting plate 6 can be located on the right side of the conveyor belt 2, and the conveyor belt 2 has a right edge facing the adjusting plate 6. The adjusting plate 6 can extend in the front-rear direction.

[0051] As Figure 2 and Figure 3As shown, in some embodiments, there are two adjusting plates 6, which are respectively arranged on both sides of the conveyor belt 2 along the width direction of the conveyor belt 2, so as to control the corresponding adjusting plate 6 to act through the driving assembly 5 according to the deviation direction (left deviation or right deviation) of the conveyor belt 2 in its width direction, so that the corresponding adjusting plate 6 can push the conveyor belt 2 to slide in the opposite direction, and complete the reset adjustment of the slightly deviated conveyor belt 2.

[0052] Specifically, among the two adjusting plates 6, one adjusting plate 6 is located on the left side of the conveyor belt 2, and the other adjusting plate 6 is located on the right side of the conveyor belt 2. The two adjusting plates 6 can be controlled by the same driving assembly 5 to act respectively; alternatively, the two adjusting plates 6 can be controlled by a driving assembly 5 respectively to act correspondingly.

[0053] For example, when the conveyor belt 2 deviates to the left in its width direction, the driving assembly 5 can be used to control the action of the adjusting plate 6 on the left side, so that the adjusting plate 6 on the left side pushes the conveyor belt 2 to slide towards the right side. Similarly, when the conveyor belt 2 deviates to the right, the adjusting plate 6 on the right side can push the conveyor belt 2 to slide towards the left side.

[0054] As Figure 2 and Figure 3 shown, in some embodiments, the driving assembly 5 pushes and pulls the adjusting plate 6 in the up and down direction.

[0055] The adjusting plate 6 has a first guiding surface 61 facing the edge 21 of the conveyor belt. The first guiding surface 61 is movably connected to the edge 21 of the conveyor belt along a first direction. The first direction forms an acute angle or an obtuse angle with the width direction of the conveyor belt 2, and the up and down direction forms an angle with both the first direction and the width direction of the conveyor belt 2.

[0056] It can be understood that the structural design that the first guiding surface 61 of the adjusting plate 6 is movably connected to the edge 21 of the conveyor belt along the first direction and the first direction forms an acute angle or an obtuse angle with the width direction of the conveyor belt 2 enables the adjusting plate 6 to adjust the distance between the edge 21 of the conveyor belt and the side wall of the frame 1 under the cooperation of the first guiding surface 61 and the edge 21 of the conveyor belt, that is, to make the conveyor belt 2 slide left and right on the frame 1 until the conveyor belt 2 is rectified and reset.

[0057] Specifically, the first guiding surface 61 can be an inclined surface, so as to apply a lateral (i.e., left and right direction) thrust to the edge 21 of the conveyor belt when it moves in the up and down direction by means of the inclined guiding structure (i.e., the first guiding surface 61) of the adjusting plate 6, so as to realize the lateral rectification of the conveyor belt 2. The first guiding surface 61 can extend along the first direction.

[0058] For example, the edge 21 of the conveyor belt is the lower edge of the conveyor belt 2, and the first guiding surface 61 is movably connected to the lower edge of the conveyor belt 2 in the first direction. Then, when the driving assembly 5 pushes the adjusting plate 6 upward, the first guiding surface 61 will exert a lateral thrust on the lower edge of the conveyor belt 2. Similarly, when the edge 21 of the conveyor belt is the upper edge of the conveyor belt 2, the first guiding surface 61 is movably connected to the upper edge of the conveyor belt 2 in the first direction. Then, when the driving assembly 5 pushes the adjusting plate 6 downward, the first guiding surface 61 will exert a lateral thrust on the upper edge of the conveyor belt 2.

[0059] As Figure 2 and Figure 3 As shown in the figure, in some embodiments, the driving assembly 5 includes a driving motor 51, a driving gear 52, a driven gear 53, and a rack 54. The driving motor 51 is arranged on the frame 1; the rotating shaft of the driving motor 51 is in transmission connection with the driving gear 52, and the driving gear 52, the driven gear 53, and the rack 54 are sequentially engaged in transmission. The driven gear 53 is rotatably connected to the frame 1, and the rack 54 is slidably connected to the frame 1 in the up-and-down direction. The adjusting plate 6 is provided at the top of the rack 54.

[0060] It can be understood that the driving motor 51 can drive the driving gear 52 to rotate, so that the driven gear 53 rotates accordingly, and then drives the rack 54 to slide in the up-and-down direction. When the rack 54 slides upward, it drives the adjusting plate 6 to move upward. At this time, if the edge 21 of the conveyor belt is the lower edge of the conveyor belt 2, the first guiding surface 61 exerts a left-right direction thrust on the lower edge of the conveyor belt 2 during the upward movement of the adjusting plate 6, so that the conveyor belt 2 moves in the left-right direction to be rectified. After the rectification is completed, the driving motor 51 can be rotated in the reverse direction, and the rack 54 pulls the adjusting plate 6 to move downward to the lower part of the conveyor belt 2 to prepare for the next rectification.

[0061] Similarly, if the edge 21 of the conveyor belt is the upper edge of the conveyor belt 2, the conveyor belt 2 can be rectified when the adjusting plate 6 moves downward.

[0062] Specifically, the driving gear 52 can be coaxially sleeved on the rotating shaft of the driving motor 51. The rack 54 can be slidably connected to the frame 1 through a slider to ensure that the rack 54 slides smoothly in the up-and-down direction.

[0063] As Figure 2 and Figure 3 As shown in the figure, in some embodiments, the anti-deviation device further includes an extension plate 7. The extension plate 7 and the adjusting plate 6 are arranged at intervals along the extension direction of the conveyor belt 2, and the extension plate 7 is connected to the adjusting plate 6.

[0064] The extension plate 7 has a second guiding surface 71 facing the edge 21 of the conveyor belt, and the second guiding surface 71 is movably connected to the edge 21 of the conveyor belt in the first direction.

[0065] It is understandable that through the additional extension plate 7, the acting surface on the conveyor belt 2 can be further increased during deviation correction. Among them, the contact surfaces between the adjustment plate 6 and the extension plate 7 and the conveyor belt 2 jointly form the acting surface on the conveyor belt 2 to ensure stable and reliable deviation correction of the conveyor belt 2.

[0066] Specifically, the extension plate 7 can be located at the front end or the rear end of the adjustment plate 6. The extension plate 7 and the adjustment plate 6 can be connected by a connecting rod. The extension plate 7 can extend in the front-back direction. The second guiding surface 71 can be an inclined surface, so that by means of the inclined guiding structure (i.e., the second guiding surface 71) of the extension plate 7, when it moves in the up-down direction, a lateral (i.e., left-right direction) thrust is applied to the edge 21 of the conveyor belt, thereby realizing auxiliary lateral deviation correction of the conveyor belt 2. The second guiding surface 71 can extend in the first direction.

[0067] Taking the figure as an example, both the adjustment plate 6 and the extension plate 7 can be in contact with the lower edge of the conveyor belt 2. That is, when the driving assembly 5 pushes the adjustment plate 6 upward, the adjustment plate 6 and the extension plate 7 apply a lateral thrust to the lower edge of the conveyor belt 2. When the driving assembly 5 pulls the adjustment plate 6 downward, the adjustment plate 6 and the extension plate 7 move down below the conveyor belt 2 to prepare for the next deviation correction.

[0068] It should be noted that since the extension plate 7 is connected to the adjustment plate 6, the extension plate 7 can move synchronously with the adjustment plate 6, and its acting process relative to the conveyor belt 2 is the same as that of the adjustment plate 6, so it will not be elaborated here.

[0069] As Figure 2 and Figure 3 shown, in some embodiments, there are at least two extension plates 7. The at least two extension plates 7 are arranged at intervals along the extension direction of the conveyor belt 2. Any two adjacent extension plates 7 are connected to each other, and the extension plate 7 closest to the adjustment plate 6 is connected to the corresponding adjustment plate 6 to increase the acting surface on the conveyor belt 2 and ensure reliable deviation correction of the conveyor belt 2.

[0070] Specifically, any two adjacent extension plates 7 can be connected by a connecting rod. The specific number, layout spacing, and length of each extension plate 7, etc., can be designed and adjusted accordingly according to the length of the conveyor belt 2 and the weight of the conveyed coal, etc., so as to ensure good deviation correction of the conveyor belt 2, so it will not be elaborated here.

[0071] Preferably, all the extension plates 7 are arranged at equal intervals along the extension direction of the conveyor belt 2, so that the forces on each part of the conveyor belt 2 are uniform, and further ensure reliable deviation correction of the whole conveyor belt 2.

[0072] As Figure 3 and Figure 4As shown, in some embodiments, the anti-deviation device further includes a trigger button 8 and an alarm 9. The trigger button 8 is located below the conveyor belt 2; both the alarm 9 and the trigger button 8 are provided on the frame 1. When the conveyor belt 2 moves in its width direction beyond a set distance value, the bottom of the conveyor belt 2 abuts against the trigger end of the trigger button 8, and the trigger button 8 is electrically connected to the alarm 9.

[0073] It can be understood that when the conveyor belt 2 deviates severely, that is, when the deviation distance of the conveyor belt 2 exceeds the set distance value, the bottom of the conveyor belt 2 will contact the trigger button 8 and press the trigger end of the trigger button 8. The trigger button 8 is activated to make the alarm 9 emit an alarm, reminding the operator to repair the deviated conveyor belt 2 in time, effectively reducing the incidence of transportation accidents.

[0074] Specifically, the trigger button 8 is located on the deviation track of the conveyor belt 2 to ensure that the trigger end of the trigger button 8 can be pressed when the conveyor belt 2 deviates beyond the set distance value. The alarm 9 can be located on the top of the frame 1. The alarm 9 is not limited to a warning light or an audible and visual alarm. The bottom of the conveyor belt 2 is the bottom of the belt in the lower part of the conveyor belt 2 (where the belt in the upper part is used to transport and carry coal, and as the conveyor belt 2 rotates relative to the frame 1, the lower belt will rotate to the upper part).

[0075] Furthermore, there can be two trigger buttons 8 arranged at intervals. One trigger button 8 can be located on the left side to trigger the left trigger button 8 for early warning when the conveyor belt 2 deviates to the left, and the other trigger button 8 can be located on the right side to trigger the right trigger button 8 for early warning when the conveyor belt 2 deviates to the right.

[0076] Correspondingly, there can be two alarms 9 and they are in one-to-one correspondence with the trigger buttons 8, that is, one alarm 9 can be located on the left side and the other alarm 9 can be located on the right side, so as to facilitate the operator to correct the deviation of the conveyor belt 2 according to the working conditions of the alarm 9 on the corresponding side.

[0077] As Figure 3 and Figure 4 shown, in some embodiments, the anti-deviation device further includes an elastic member 81. The first end of the elastic member 81 is connected to the frame 1, and the second end of the elastic member 81 is connected to the trigger button 8. The elastic member 81 can push and pull the trigger button 8 in the up and down direction to approach or move away from the bottom of the conveyor belt 2. Specifically, the elastic member 81 is not limited to a columnar spring.

[0078] It can be understood that the elastic member 81 enables the trigger button 8 and the conveyor belt 2 to be in soft contact, or elastic contact, avoiding direct hard contact between the bottom of the conveyor belt 2 and the trigger button 8 from damaging the trigger button 8. At the same time, after the deviation correction is completed, the elastic member 81 can control the trigger button 8 to automatically reset, preparing for the next deviation early warning.

[0079] As Figure 3 and Figure 4 shown, in some embodiments, the anti-deviation device further includes a limit plate 82. The limit plate 82 is arranged on the frame 1. The limit plate 82 is located outside the conveyor belt 2 in the width direction of the conveyor belt 2. The top of the limit plate 82 is higher than the top of the conveyor belt 2. The limit plate 82 is used to limit the conveyor belt 2 in the width direction of the conveyor belt 2 to form an anti-deviation protection structure for the conveyor belt 2, further effectively avoiding the influence of serious deviation of the conveyor belt 2 on the transportation safety.

[0080] Specifically, the limit plate 82 can extend in the up-down direction. At least part of the limit plate 82 is located above the conveyor belt 2.

[0081] Further, there are two limit plates 82, which are respectively arranged on both sides of the conveyor belt 2 along the width direction of the conveyor belt 2.

[0082] As Figure 5 shown, a method for preventing deviation of a coal mine transportation belt according to an embodiment of the present invention includes the following steps:

[0083] Step S1, pre-adjust the position of the conveying channel 33 so that the conveying channel 33 is located in the middle area of the conveyor belt 2;

[0084] Step S2, the conveyor belt 2 deviates a first distance value along its width direction. The first distance value is less than the set distance value. The driving assembly 5 acts on the adjusting plate 6 to push the conveyor belt 2 to slide along its width direction until the conveyor belt 2 is reset;

[0085] Step S3, the conveyor belt 2 deviates a second distance value along its width direction. The second distance value is greater than the set distance value. The bottom of the conveyor belt 2 presses the trigger button 8, and the trigger button 8 triggers the alarm 9 to alarm.

[0086] According to the method for preventing deviation of a coal mine transportation belt according to an embodiment of the present invention, by combining the centering process of the coal conveying channel 33 before transportation, the deviation correction process of the conveyor belt 2 by the cooperation of the driving assembly 5 and the adjusting plate 6 when the conveyor belt 2 is slightly deviated, and the early warning reminder when the conveyor belt 2 is seriously deviated, the three anti-deviation methods are combined to ensure the smooth transportation of coal by the coal mine transportation belt to the greatest extent. Therefore, compared with the related technology, the present invention can effectively reduce the number of deviation corrections, reduce the maintenance cost, and ensure the transportation safety of the coal mine.

[0087] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present invention.

[0088] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically and clearly defined.

[0089] In the present invention, unless otherwise clearly specified and defined, the terms "mounted", "connected", "coupled", "fixed", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection, an electrical connection, or communicable with each other; it may be directly connected, or indirectly connected through an intermediate medium, and it may be the internal communication of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0090] In the present invention, unless otherwise clearly specified and defined, the first feature being "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may be that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath" and "underneath" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature.

[0091] In the present invention, terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic descriptions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0092] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present invention.

Claims

1. A device for preventing the deviation of a coal mine conveyor belt, characterized in that Comprising: Frame; Conveyor belt, which is arranged on the frame and is used for conveying coal; First width-adjusting component and second width-adjusting component, the first width-adjusting component and the second width-adjusting component are respectively arranged on both sides of the conveyor belt along the width direction of the conveyor belt and both include a telescopic cylinder and a baffle. The cylinder body of the telescopic cylinder is connected to the frame, and the piston rod of the telescopic cylinder is connected to the baffle to push and pull the baffle along the width direction of the conveyor belt. The baffle is located above the top of the conveyor belt. The baffle of the first width-adjusting component, the baffle of the second width-adjusting component and the conveyor belt jointly define a conveying channel.

2. The anti-deviation device for the coal mine conveyor belt according to claim 1, characterized in that, Further comprising: Drive component, which is arranged on the frame; And Adjusting plate, which is arranged along the width direction of the conveyor belt with the conveyor belt. The conveyor belt has an edge facing the adjusting plate, and the adjusting plate can be in contact with the edge of the conveyor belt. The drive component is in transmission connection with the adjusting plate to push the conveyor belt to slide along its width direction away from the adjusting plate.

3. The anti-deviation device for a coal mine conveyor belt according to claim 2, characterized in that, There are two adjusting plates and they are respectively arranged on both sides of the conveyor belt along the width direction of the conveyor belt.

4. The anti-deviation device for a coal mine conveyor belt according to claim 2, wherein The drive component pushes and pulls the adjusting plate in the up and down direction; The adjusting plate has a first guiding surface facing the edge of the conveyor belt, and the first guiding surface is movably connected to the edge of the conveyor belt along a first direction. The first direction forms an acute angle or an obtuse angle with the width direction of the conveyor belt, and the up and down direction forms an angle with both the first direction and the width direction of the conveyor belt.

5. The anti-deviation device for a coal mine conveyor belt according to claim 4, characterized in that, The drive component includes: Drive motor, which is arranged on the frame; Driving gear, driven gear and rack, the rotating shaft of the drive motor is in transmission connection with the driving gear, the driving gear, the driven gear and the rack are sequentially engaged in transmission, the driven gear is rotatably connected to the frame, the rack is slidably connected to the frame along the up and down direction, and the adjusting plate is arranged at the top of the rack.

6. The anti-deviation device for a coal mine conveyor belt according to claim 4, wherein Further comprising an extension plate, the extension plate is arranged at an interval along the extension direction of the conveyor belt with the adjusting plate, and the extension plate is connected to the adjusting plate; The extension plate has a second guiding surface facing the edge of the conveyor belt, and the second guiding surface is movably connected to the edge of the conveyor belt along the first direction.

7. The anti-deviation device for a coal mine conveyor belt according to claim 1, wherein Further comprising: Trigger button, which is located below the conveyor belt; And Alarm, both the alarm and the trigger button are arranged on the frame. When the conveyor belt moves along its width direction to exceed a set distance value, the bottom of the conveyor belt abuts against the trigger end of the trigger button, and the trigger button is electrically connected to the alarm.

8. The anti-deviation device for a coal mine conveyor belt according to claim 7, characterized in that, Further comprising an elastic member, the first end of the elastic member is connected to the frame, the second end of the elastic member is connected to the trigger button, and the elastic member can push and pull the trigger button in the up and down direction to be close to or away from the bottom of the conveyor belt.

9. The anti-deviation device for a coal mine conveyor belt according to claim 1, wherein, It further includes a limit plate which is arranged on the frame. The limit plate is located outside the conveyor belt in the width direction of the conveyor belt. The top of the limit plate is higher than the top of the conveyor belt. The limit plate is used to limit the conveyor belt in the width direction of the conveyor belt.

10. A method for preventing the deviation of a coal mine conveyor belt, characterized in that, The anti-deviation method includes the following steps: Pre-adjust the position of the conveying channel so that the conveying channel is located in the middle area of the conveyor belt; The conveyor belt deviates by a first distance value in its width direction. The first distance value is less than the set distance value. The driving component acts on the adjusting plate to push the conveyor belt to slide in its width direction until the conveyor belt is reset; The conveyor belt deviates by a second distance value in its width direction. The second distance value is greater than the set distance value. The bottom of the conveyor belt presses the trigger button, and the trigger button triggers the alarm to alarm.

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