Cleaning device of belt conveyor and belt conveyor

Abstract

The utility model discloses a cleaning device of a belt conveyor and the belt conveyor, and relates to the technical field of belt conveyors, the cleaning device of the belt conveyor comprises a rack, a mounting mechanism, a tensioning mechanism and a cleaning mechanism; the mounting mechanism is mounted on the rack; the tensioning mechanism comprises a tensioning assembly, a first tensioning roller and two second tensioning rollers, the first tensioning roller and the two second tensioning rollers can be arranged on the installation mechanism in the mode that the first tensioning roller and the two second tensioning rollers can rotate in the longitudinal direction, and a conveying belt of the belt conveyor is wound around the top of one second tensioning roller, the bottom of the first tensioning roller and the top of the other second tensioning roller. The conveying belt is tensioned through the first tensioning roller and the two second tensioning rollers, and the mounting mechanism drives the tensioning assembly and the first tensioning roller to relatively ascend and descend in the vertical direction. The sweeping mechanism is installed on the installation mechanism and used for sweeping the bottom of the conveying belt. According to the utility model, all the sticky substances on the surface of the conveyor belt can be effectively removed, and the removing effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of belt conveyors, in particular to a cleaning device for a belt conveyor and the belt conveyor. Background Art

[0002] Belt conveyors have become the main coal transportation machinery in thermal power plants due to their advantages of low transportation cost and large transportation volume. However, since the coal used in power plants contains a certain amount of soil and other fine debris, and the coal itself has a certain amount of humidity, in the actual long-distance transportation of belt conveyors, as the coal stays on the conveyor belt for a long time, moisture is deposited on the surface of the conveyor belt, mixed with the fine materials on the surface to form a coal slurry mixture, and then stick to the surface of the conveyor belt. If the sticky material cannot be removed in time at the head reversing roller, it will cause uneven force on the conveyor belt, which may easily cause the conveyor belt to deviate and slip. At the same time, it will be randomly scattered along the coal transportation corridor during the return journey, increasing the fire hazard of the coal transportation corridor. In cold weather, if the sticky material stuck on the surface of the conveyor belt cannot be effectively cleaned, it will quickly freeze into a hard plate agglomerate during the return journey, which is more difficult to effectively remove, posing a safety hazard to the safe and stable operation of the coal transportation system.

[0003] At the same time, due to the long-term continuous operation of the belt conveyor under heavy load, the conveyor belt will produce irregular deformation under the action of the load, which makes the cleaning device of the existing belt conveyor unable to fit well with the surface of the conveyor belt when cleaning the conveyor belt, resulting in the inability to effectively remove all sticky materials on the surface of the conveyor belt, and the cleaning effect is poor. Utility Model Content

[0004] The main purpose of the utility model is to provide a cleaning device for a belt conveyor and a belt conveyor, aiming to solve the technical problem that the existing cleaning device for a belt conveyor cannot effectively remove all sticky substances on the surface of the conveyor belt and has a poor cleaning effect.

[0005] In order to achieve the above-mentioned object, the utility model proposes a cleaning device for a belt conveyor, the cleaning device comprising:

[0006] frame;

[0007] A mounting mechanism, the mounting mechanism being mounted on the frame;

[0008] A tensioning mechanism, the tensioning mechanism comprising a tensioning assembly and a first tensioning roller, the tensioning assembly comprising two second tensioning rollers arranged at intervals on both sides of the first tensioning roller in a lateral direction, the first tensioning roller and the two second tensioning rollers are both arranged on the mounting mechanism so as to be rotatable in the longitudinal direction, the conveying belt of the belt conveyor is sequentially wound around the top of one of the second tensioning rollers, the bottom of the first tensioning roller and the top of another second tensioning roller, so as to tension the conveying belt through the first tensioning roller and the two second tensioning rollers, and the mounting mechanism is used to drive the tensioning assembly and the first tensioning roller to rise and fall relative to each other in the vertical direction;

[0009] A cleaning mechanism is installed on the mounting mechanism, the cleaning mechanism is located below the first tensioning roller, and the cleaning mechanism is used to clean the bottom of the conveyor belt.

[0010] In one embodiment, the mounting mechanism includes a lifting assembly and a mounting assembly, the lifting assembly is mounted on the frame, the cleaning mechanism and the mounting assembly are both mounted on the lifting assembly, the first tensioning roller is mounted on the lifting assembly so as to be rotatable in the longitudinal direction, two second tensioning rollers are mounted on the mounting assembly at intervals along the lateral direction, and each second tensioning roller is mounted on the mounting assembly so as to be rotatable in the longitudinal direction, and the lifting assembly is used to drive the mounting assembly to lift and lower vertically, so as to drive the two second tensioning rollers to lift and lower synchronously in the vertical direction.

[0011] In one embodiment, the mounting assembly includes two mounting frames, and the two mounting frames are installed on the lifting assembly at intervals along the longitudinal direction. The two ends of each second tensioning roller in the longitudinal direction are respectively installed on the two mounting frames so as to be rotatable around the longitudinal direction, and the two second tensioning rollers are respectively located at the two ends of the mounting frame in the transverse direction. The lifting assembly is used to drive the two mounting frames to rise and fall synchronously in the vertical direction, so as to drive the two second tensioning rollers to rise and fall synchronously in the vertical direction.

[0012] In one embodiment, the lifting assembly includes a driving module and two transmission modules, and the two transmission modules and the two mounting frames are arranged in a one-to-one correspondence; each transmission module includes a screw and a connecting seat, and the two screws are longitudinally spaced and arranged on the frame, and each screw is extended vertically, and the screw is supported at the bottom of the connecting seat and can rotate around the axial direction of the screw relative to the connecting seat, and the two ends of the first tensioning roller in the longitudinal direction and the two ends of the cleaning mechanism in the longitudinal direction are respectively connected to the two connecting seats, and the first tensioning roller can rotate in the longitudinal direction; the screw passes through the corresponding mounting frame and is threadedly matched with the mounting frame, and the driving module is used to drive the two screws to rotate synchronously around their axial directions, so as to drive the two mounting frames to rise and fall synchronously in the vertical direction.

[0013] In one embodiment, the driving module includes a worm, a handwheel and two worm gears. The worm is extended in the longitudinal direction, and the two worm gears are respectively sleeved outside the screw, and the two ends of the worm in the longitudinal direction are respectively matched with the two worm gears. The handwheel is arranged at one end of the worm in the longitudinal direction, and the worm is driven to rotate around its axial direction by the handwheel, so that the two screws are driven to rotate synchronously around their axial directions through the two worm gears.

[0014] In one embodiment, each of the screw rods is provided with a first limit sleeve and a second limit sleeve along a vertical spacing sleeve, the first limit sleeve is located above the second limit sleeve, the worm gear sleeve is arranged outside the second limit sleeve, the mounting frame is located between the first limit sleeve and the second limit sleeve, and the first and second limit sleeves are used to abut against the top and the bottom respectively; each of the mounting frames is formed with two screw holes, and each of the screw rods passes through the two screw holes on the corresponding mounting frame in sequence along the vertical direction, and each of the screw rods is threadedly matched with the two screw holes corresponding to it.

[0015] In one embodiment, each of the mounting frames is provided with a guide rod extending in a vertical direction, and each of the connecting seats is formed with a guide hole, and the guide rod on each of the mounting frames can slidably pass through the guide hole of the corresponding connecting seat.

[0016] In one embodiment, the first tensioning roller includes a rotating rod and a plurality of tensioning wheels, wherein the rotating rod is extended in the longitudinal direction and can be rotatably arranged on the mounting mechanism in the longitudinal direction, the plurality of tensioning wheels are longitudinally spaced and sleeved on the outer side of the rotating rod, and the conveyor belt is wound around the bottom of the plurality of tensioning wheels.

[0017] In one embodiment, the cleaning mechanism includes a base, a scraper and two clamping plates, the base is mounted on the mounting mechanism, the two clamping plates are mounted on the base, the scraper is clamped between the two clamping plates, and the scraper is used to clean the bottom of the conveyor belt.

[0018] The utility model also provides a belt conveyor, and the belt conveyor is applied with the above-mentioned belt conveyor cleaning device.

[0019] The cleaning device and belt conveyor of the utility model are provided by winding the conveyor belt around the bottom of the first tensioning roller, and winding the conveyor belt around the top of the two second tensioning rollers located on both sides of the first tensioning roller in the horizontal direction, and then driving the first tensioning roller to rise and fall vertically or driving the two second tensioning rollers to rise and fall vertically or driving the first tensioning roller and the two second tensioning rollers to rise and fall vertically through the installation mechanism, so that the tensioning assembly and the first tensioning roller can be lifted and lowered relative to each other vertically, thereby achieving tensioning of the conveyor belt and adjusting the tensioning force of the conveyor belt. The cleaning mechanism is installed on the installation mechanism and is located at the bottom of the conveyor belt. When the conveyor belt is transporting, the cleaning mechanism can clean the bottom surface of the conveyor belt. When it is necessary to clean the bottom surface of the conveyor belt, the vertical relative distance between the tensioning assembly and the first roller is adjusted by the mounting structure, so that the bottom surface of the conveyor belt can be tensioned, so that the bottom surface of the conveyor belt can produce a larger deformation, thereby breaking the adhesive attached to the bottom surface of the conveyor belt. The broken adhesive can be more easily cleaned by the cleaning mechanism, and all sticky materials on the surface of the conveyor belt can be effectively removed, with a good cleaning effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0021] Figure 1 A schematic structural diagram of an embodiment of a cleaning device for a belt conveyor provided by the utility model;

[0022] Figure 2 for Figure 1 A partial enlarged view of the cleaning device of the middle belt conveyor;

[0023] Figure 3 for Figure 1 A schematic diagram of the structure of the first tensioning roller in the cleaning device of the middle belt conveyor;

[0024] Figure 4 for Figure 1 Schematic diagram of the structure of the cleaning mechanism in the cleaning device of the belt conveyor.

[0025] Description of Figure Numbers:

[0026] 100. Cleaning device; 10. Mounting mechanism; 11. Lifting assembly; 111. Driving module; 1111. Worm; 1112. Hand wheel; 1113. Worm wheel; 112. Transmission module; 1121. Screw; 1122. Connecting seat; 1123. First limiting sleeve; 1124. Second limiting sleeve; 1125. Screw hole; 1126. Guide hole; 12. Mounting assembly; 121. Mounting frame; 122. Guide rod; 20. Tensioning mechanism; 21. Tensioning assembly; 211. Second tensioning roller; 22. First tensioning roller; 221. Rotating rod; 222. Tensioning wheel; 30. Cleaning mechanism; 31. Base; 32. Scraper; 33. Clamp; 200. Conveyor belt.

[0027] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0030] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0031] Belt conveyors have become the main coal transportation machinery in thermal power plants due to their advantages of low transportation cost and large transportation volume. However, since the coal used in power plants contains a certain amount of soil and other fine debris, and the coal itself has a certain amount of humidity, in the actual long-distance transportation of belt conveyors, as the coal stays on the conveyor belt for a long time, moisture is deposited on the surface of the conveyor belt, mixed with the fine materials on the surface to form a coal slurry mixture, and then stick to the surface of the conveyor belt. If the sticky material cannot be removed in time at the head reversing roller, it will cause uneven force on the conveyor belt, which can easily cause the belt to deviate and slip. At the same time, it will be randomly scattered along the coal transportation corridor during the return journey, increasing the fire hazard of the coal transportation corridor. The climate in the north is cold in winter. If the sticky material stuck on the surface of the conveyor belt cannot be effectively cleaned, it will quickly freeze into a hard plate agglomerate during the return journey, which is more difficult to effectively remove, posing a safety hazard to the safe and stable operation of the coal transportation system.

[0032] At the same time, due to the long-term continuous operation of the belt conveyor under heavy load, the conveyor belt will produce irregular deformation under the action of the load, so that the existing cleaning device of the belt conveyor that works by scraping cannot fit well with the surface of the conveyor belt, resulting in the inability to effectively remove all the sticky substances on the surface of the conveyor belt. Therefore, it is urgent to propose a cleaning device for a belt conveyor to effectively remove all the sticky substances on the surface of the conveyor belt.

[0033] The utility model provides a cleaning device 100 for a belt conveyor.

[0034] See also Figure 1 and Figure 2 In one embodiment of the utility model, the cleaning device 100 of the belt conveyor includes a frame, a mounting mechanism 10, a tensioning mechanism 20 and a cleaning mechanism 30; wherein the mounting mechanism 10 is mounted on the frame; the tensioning mechanism 20 includes a tensioning assembly 21 and a first tensioning roller 22, the tensioning assembly 21 includes two second tensioning rollers 211 arranged at intervals on both sides of the first tensioning roller 22 along the transverse direction, the first tensioning roller 22 and the two second tensioning rollers 211 can be arranged on the mounting mechanism 10 to rotate longitudinally, and the transport of the belt conveyor The belt 200 is sequentially wound around the top of a second tensioning roller 211, the bottom of a first tensioning roller 22 and the top of another second tensioning roller 211, so as to tension the conveyor belt 200 through the first tensioning roller 22 and the two second tensioning rollers 211. The mounting mechanism 10 is used to drive the tensioning component 21 and the first tensioning roller 22 to rise and fall vertically relative to each other. The cleaning mechanism 30 is mounted on the mounting mechanism 10. The cleaning mechanism 30 is located below the first tensioning roller 22. The cleaning mechanism 30 is used to clean the bottom of the conveyor belt 200.

[0035] As shown in the figure, the vertical Figure 1 The front-to-back direction is Figure 1The left and right directions in the vertical position Figure 1 The up and down directions in .

[0036] The technical solution of the utility model adopts the method of winding the conveyor belt 200 around the bottom of the first tensioning roller 22, and winding the conveyor belt 200 around the top of the two second tensioning rollers 211 located on the left and right sides of the first tensioning roller 22, and then driving the first tensioning roller 22 to rise and fall in the up-down direction or driving the two second tensioning rollers 211 to rise and fall in the up-down direction or driving the first tensioning roller 22 and the two second tensioning rollers 211 to rise and fall vertically through the installation mechanism 10, so that the tensioning assembly 21 and the first tensioning roller 22 can be lifted and lowered relative to each other in the up-down direction, thereby achieving the tensioning of the conveyor belt 200 and adjusting the tensioning force of the conveyor belt 200. The cleaning mechanism 30 is installed on the installation mechanism 10 and located at the bottom of the conveyor belt 200. When the conveyor belt 200 is transported, the cleaning mechanism 30 can clean the bottom surface of the conveyor belt 200. When it is necessary to clean the bottom surface of the conveyor belt 200, the vertical relative distance between the tensioning assembly 21 and the first tensioning roller 22 is adjusted by the mounting structure, so that the bottom surface of the conveyor belt 200 can be tensioned, so that the bottom surface of the conveyor belt 200 can produce a larger deformation, thereby breaking the adhesive attached to the bottom surface of the conveyor belt 200. The broken adhesive can be more easily cleaned by the cleaning mechanism 30, and all sticky materials on the surface of the conveyor belt 200 can be effectively removed, with a good cleaning effect.

[0037] In one embodiment of the utility model, the installation mechanism 10 includes a lifting component 11 and a mounting component 12, the lifting component 11 is installed on the frame, the cleaning mechanism 30 and the mounting component 12 are both installed on the lifting component 11, the first tensioning roller 22 is installed on the lifting component 11 so as to be rotatable in the longitudinal direction, the two second tensioning rollers 211 are installed on the mounting component 12 at a lateral interval, and each second tensioning roller 211 is installed on the mounting component 12 so as to be rotatable in the longitudinal direction, and the lifting component 11 is used to drive the mounting component 12 to lift and lower vertically, so as to drive the two second tensioning rollers 211 to lift and lower synchronously in the vertical direction.

[0038] Specifically, Figure 1 and Figure 2As shown, the installation assembly 12, the first tensioning roller 22 and the cleaning mechanism 30 are all installed on the lifting assembly 11, and the two second tensioning rollers 211 are installed on the lifting assembly 11. By driving the two second tensioning wheels 222 to move in the up-down direction through the lifting assembly 11, the relative movement of the tensioning assembly 21 and the first tensioning roller 22 in the up-down direction can be realized to complete the adjustment of the tensioning force of the conveyor belt 200. When the tensioning assembly 21 is moved, the relative position of the cleaning mechanism 30 installed on the lifting assembly 11 and the first tensioning roller 22 does not change, thereby ensuring that the cleaning mechanism 30 can clean the conveyor belt 200 wound around the bottom of the first tensioning roller 22, and the adjustment of the tensioning force of the conveyor belt 200 is convenient and simple.

[0039] In one embodiment of the utility model, the mounting assembly 12 includes two mounting frames 121, and the two mounting frames 121 are installed on the lifting assembly 11 at intervals along the longitudinal direction. The two ends of each second tensioning roller 211 along the longitudinal direction can be installed on the two mounting frames 121 respectively so as to rotate around the longitudinal direction, and the two second tensioning rollers 211 are respectively located at the two ends of the mounting frame 121 along the transverse direction. The lifting assembly 11 is used to drive the two mounting frames 121 to rise and fall synchronously in the vertical direction, so as to drive the two second tensioning rollers 211 to rise and fall synchronously in the vertical direction.

[0040] Specifically, Figure 1 and Figure 2 As shown, two mounting frames 121 are provided, and the two mounting frames 121 are installed on the lifting assembly 11 at intervals along the front-to-back direction, and the front and rear sides of the second tensioning roller 211 located on the left side are connected to the left sides of the two mounting frames 121 so that they can rotate around the front-to-back direction, and then the front and rear sides of the second tensioning roller 211 located on the right side are connected to the right sides of the two mounting frames 121 so that they can rotate around the front-to-back direction, thereby completing the installation of the two second tensioning wheels 222. The installation is convenient and firm, and at the same time, the installation assembly 12 composed of the two mounting frames 121 has a more compact structure.

[0041] In one embodiment of the utility model, the lifting assembly 11 includes a driving module 111 and two transmission modules 112, and the two transmission modules 112 and two mounting frames 121 are arranged in a one-to-one correspondence; each transmission module 112 includes a screw 1121 and a connecting seat 1122, and the two screws 1121 are arranged on the frame at longitudinal intervals, and each screw 1121 is extended vertically, and the screw 1121 is supported on the bottom of the connecting seat 1122 and can rotate around the axial direction of the screw 1121 relative to the connecting seat 1122, and the two ends of the first tensioning roller 22 and the two ends of the cleaning mechanism 30 along the longitudinal direction are respectively connected to the two connecting seats 1122, and the first tensioning roller 22 can rotate around the longitudinal direction; the screw 1121 passes through the corresponding mounting frame 121 and is threadedly matched with the mounting frame 121, and the driving module 111 is used to drive the two screws 1121 to rotate synchronously around their axial directions, so as to drive the two mounting frames 121 to rise and fall synchronously along the vertical direction.

[0042] Specifically, Figure 1 and Figure 2 As shown, two screw rods 1121 are respectively arranged on the frame along the front-back direction, and a connecting seat 1122 is supported on the top of each screw rod 1121. The screw rod 1121 can rotate relative to its corresponding connecting seat 1122 around the axial direction of the screw rod 1121, and each mounting frame 121 is threadedly matched with the screw rod 1121. When the driving member drives the two screw rods 1121 to rotate synchronously, each screw rod 1121 can rotate relative to its corresponding connecting seat 1122, so each connecting seat 1122 remains stationary, so that the first tensioning roller 22 and the cleaning mechanism 30 connected to the two connecting seats 1122 remain stationary. Since the mounting frame 121 is threadedly matched with the screw rod 1121, when the two screw rods 1121 are driven to rotate synchronously, the two mounting frames 121 will be lifted and lowered synchronously in the up and down directions, and can drive the two second tensioning rollers 211 to be lifted and lowered in the up and down directions, thereby realizing the relative lifting and lowering of the tensioning assembly 21 composed of the two second tensioning rollers 211 relative to the first tensioning roller 22 in the up and down directions. By adjusting the relative height of the tensioning assembly 21 and the first tensioning roller 22 in the up and down directions, the tensioning force of the conveyor belt 200 can be adjusted. The structure is reasonable and the design is ingenious.

[0043] In one embodiment of the utility model, the driving module 111 includes a worm 1111, a handwheel 1112 and two worm wheels 1113. The worm 1111 is extended in the longitudinal direction. The two worm wheels 1113 are respectively sleeved outside the screw 1121, and the two ends of the worm 1111 in the longitudinal direction are respectively matched with the two worm wheels 1113. The handwheel 1112 is set at one end of the worm 1111 in the longitudinal direction. The worm 1111 is driven to rotate around its axial direction through the handwheel 1112, so that the two screws 1121 are driven to rotate synchronously around their axial directions through the two worm wheels 1113.

[0044] Specifically, Figure 1 and Figure 2As shown, two worm wheels 1113 are respectively sleeved outside the two screws 1121, and a worm 1111 extending in the front-to-back direction is provided. The front and rear ends of the worm 1111 are respectively matched with the two worm wheels 1113, and a hand wheel 1112 is installed at any front and rear end of the worm 1111. By shaking the hand wheel 1112, the worm 1111 is driven to rotate around the axial direction of the worm 1111, so as to synchronously drive the two worm wheels 1113 to rotate around the axial direction of the corresponding screw 1121, thereby synchronously driving the two screws 1121 to rotate around their axial directions, ensuring the consistency of the rotation of the two screws 1121, and the cooperation between the worm 1111 and the worm wheel 1113 has a self-locking function. In the absence of external force driving, the worm wheel 1113 can keep the current position unchanged, which is more stable and reliable. When the tensioning assembly 21 is adjusted to the required height, the tensioning assembly 21 remains stationary, further ensuring the tensioning effect of the conveyor belt 200.

[0045] In one embodiment of the utility model, each screw rod 1121 is provided with a first limiting sleeve 1123 and a second limiting sleeve 1124 along a vertical interval, the first limiting sleeve 1123 is located above the second limiting sleeve 1124, the worm gear 1113 is sleeved outside the second limiting sleeve 1124, the mounting frame 121 is located between the first limiting sleeve 1123 and the second limiting sleeve 1124, and the first and second are used to abut against the top and the bottom respectively; each mounting frame 121 is formed with two screw holes 1125, each screw rod 1121 passes through the two screw holes 1125 on its corresponding mounting frame 121 in sequence along the vertical direction, and each screw rod 1121 is threadedly matched with its corresponding two screw holes 1125.

[0046] Specifically, Figure 1 and Figure 2 As shown, two screw rods 1121 are formed on the mounting frame 121, and two screw holes 1125 are respectively distributed at the top and bottom of the mounting frame 121. The screw rod 1121 passes through the two screw holes 1125 in sequence along the up and down direction, so that the mounting frame 121 can be more stably mounted on its corresponding screw rod 1121, and the mounting frame 121 is prevented from shaking during lifting and lowering, and the stability is higher. A first limiting sleeve 1123 and a second limiting sleeve 1124 are arranged on the screw rod 1121, and each mounting frame 121 is arranged between the first limiting sleeve 1123 and the second limiting sleeve 1124. When the mounting frame 121 is driven to rise a certain stroke, the top of the mounting frame 121 will abut against the bottom of the first limiting sleeve 1123, and when the mounting frame 121 is driven to descend a certain stroke, the top of the mounting frame 121 will abut against the top of the second limiting sleeve 1124, so that the lifting stroke of the mounting frame 121 can be limited.

[0047] In one embodiment of the utility model, each mounting frame 121 is provided with a guide rod 122 extending vertically, and each connecting seat 1122 is formed with a guide hole 1126. The guide rod 122 on each mounting frame 121 can slide through the guide hole 1126 of the corresponding connecting seat 1122.

[0048] Specifically, Figure 1 and Figure 2 As shown, through the cooperation between the guide rod 122 and the guide rod 122 of the corresponding mounting frame 121, the lifting and lowering of the guide rod 122 is guided, which can effectively prevent the mounting frame 121 from tilting or shifting during the lifting process, thereby ensuring the lifting and lowering stability of the guide rod 122 and avoiding component damage or lifting failure caused by deviation.

[0049] In one embodiment of the utility model, the first tensioning roller 22 includes a rotating rod 221 and a plurality of tensioning wheels 222. The rotating rod 221 is extended in the longitudinal direction, and the rotating rod 221 can be rotatably arranged in the longitudinal direction on the mounting mechanism 10. The plurality of tensioning wheels 222 are longitudinally spaced and sleeved on the outer side of the rotating rod 221, and the conveyor belt 200 is wound around the bottom of the plurality of tensioning wheels 222.

[0050] Specifically, Figure 3 As shown, the rotating rod 221 is extended along the front-to-back direction and arranged on the mounting mechanism 10, and the tensioning wheels 222 are arranged at intervals on the rotating rod 221 along the front-to-back direction. The multiple tensioning wheels 222 arranged at intervals can better define the local depression of the conveyor belt 200. The number of tensioning wheels 222 can be selected according to the actual deformation degree of the surface of the conveyor belt 200 to change the density of the arrangement of the tensioning wheels 222. When the tensioning wheels 222 are arranged relatively sparsely, they can produce a more obvious ejection effect on the local depression of the conveyor belt 200.

[0051] In one embodiment of the utility model, the cleaning mechanism 30 includes a base 31 , a scraper 32 and two clamping plates 33 . The two clamping plates 33 are installed on the base 31 . The scraper 32 is clamped between the two clamping plates 33 . The scraper 32 is used to clean the bottom of the conveyor belt 200 .

[0052] Specifically, Figure 4 As shown, the base 31 is mounted on the mounting structure, and two clamping plates 33 are provided on the base 31. The scraper 32 can be clamped between the two clamping plates 33 by the two clamping plates 33, and the scraper 32 can be mounted on the base 31, so that the scraper 32 can be quickly disassembled and assembled, and the disassembly and assembly are simple and convenient. When the conveyor belt 200 is transported, the scraper 32 contacts the adhesive on the bottom surface of the conveyor belt 200, and as the conveyor belt 200 moves, the scraper 32 can scrape off the adhesive on the bottom surface of the conveyor belt 200, so as to complete the removal of the adhesive on the bottom surface of the conveyor belt 200.

[0053] The utility model also proposes a belt conveyor, which includes a belt conveyor cleaning device 100. The specific structure of the belt conveyor refers to the above-mentioned embodiment. Since the belt conveyor adopts all the technical solutions of all the above-mentioned embodiments, it has at least all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, which will not be described one by one here.

[0054] The above description is only an exemplary embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the technical concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A cleaning device for a belt conveyor, characterized in that: The cleaning device comprises: frame; A mounting mechanism, the mounting mechanism being mounted on the frame; A tensioning mechanism, the tensioning mechanism comprising a tensioning assembly and a first tensioning roller, the tensioning assembly comprising two second tensioning rollers arranged at intervals on both sides of the first tensioning roller in a lateral direction, the first tensioning roller and the two second tensioning rollers are both arranged on the mounting mechanism so as to be rotatable in the longitudinal direction, the conveying belt of the belt conveyor is sequentially wound around the top of one of the second tensioning rollers, the bottom of the first tensioning roller and the top of another second tensioning roller, so as to tension the conveying belt through the first tensioning roller and the two second tensioning rollers, and the mounting mechanism is used to drive the tensioning assembly and the first tensioning roller to rise and fall relative to each other in the vertical direction; A cleaning mechanism is installed on the mounting mechanism, the cleaning mechanism is located below the first tensioning roller, and the cleaning mechanism is used to clean the bottom of the conveyor belt.

2. The cleaning device for a belt conveyor according to claim 1, characterized in that: The mounting mechanism includes a lifting component and a mounting component, the lifting component is mounted on the frame, the cleaning mechanism and the mounting component are both mounted on the lifting component, the first tensioning roller is mounted on the lifting component so as to be rotatable in the longitudinal direction, the two second tensioning rollers are mounted on the mounting component at a lateral interval, and each of the second tensioning rollers is mounted on the mounting component so as to be rotatable in the longitudinal direction, and the lifting component is used to drive the mounting component to lift and lower vertically, so as to drive the two second tensioning rollers to lift and lower synchronously in the vertical direction.

3. The cleaning device for a belt conveyor according to claim 2, characterized in that: The mounting assembly includes two mounting frames, and the two mounting frames are installed on the lifting assembly at intervals along the longitudinal direction. The two ends of each second tensioning roller in the longitudinal direction are respectively installed on the two mounting frames so as to be rotatable around the longitudinal direction, and the two second tensioning rollers are respectively located at the two ends of the mounting frame in the transverse direction. The lifting assembly is used to drive the two mounting frames to rise and fall synchronously in the vertical direction, so as to drive the two second tensioning rollers to rise and fall synchronously in the vertical direction.

4. The cleaning device for a belt conveyor according to claim 3, characterized in that: The lifting assembly includes a driving module and two transmission modules, and the two transmission modules and the two mounting frames are arranged in a one-to-one correspondence; each transmission module includes a screw and a connecting seat, and the two screws are longitudinally spaced and arranged on the frame, and each screw is extended vertically, and the screw is supported at the bottom of the connecting seat and can rotate around the axial direction of the screw relative to the connecting seat, and the two ends of the first tensioning roller in the longitudinal direction and the two ends of the cleaning mechanism in the longitudinal direction are respectively connected to the two connecting seats, and the first tensioning roller can rotate in the longitudinal direction; the screw passes through the corresponding mounting frame and is threadedly matched with the mounting frame, and the driving module is used to drive the two screws to rotate synchronously around their axial directions, so as to drive the two mounting frames to rise and fall synchronously in the vertical direction respectively.

5. The cleaning device for a belt conveyor according to claim 4, characterized in that: The driving module includes a worm, a handwheel and two worm gears. The worm is extended in the longitudinal direction. The two worm gears are respectively sleeved outside the screw, and the two ends of the worm in the longitudinal direction are respectively matched with the two worm gears. The handwheel is arranged at one end of the worm in the longitudinal direction. The worm is driven to rotate around its axial direction by the handwheel, so that the two screws are driven to rotate synchronously around their axial directions by the two worm gears.

6. The cleaning device for a belt conveyor according to claim 5, characterized in that: Each of the screw rods is provided with a first limit sleeve and a second limit sleeve along a vertical spacing sleeve, the first limit sleeve is located above the second limit sleeve, the worm gear sleeve is arranged outside the second limit sleeve, the mounting frame is located between the first limit sleeve and the second limit sleeve, and the first and second limit sleeves are used to abut against the top and the bottom respectively; each of the mounting frames is formed with two screw holes, and each of the screw rods passes through the two screw holes on the corresponding mounting frame in sequence along the vertical direction, and each of the screw rods is threadedly matched with the two corresponding screw holes.

7. The cleaning device for a belt conveyor according to claim 4, characterized in that: A guide rod extending vertically is arranged on each of the mounting frames, and a guide hole is formed on each of the connecting seats. The guide rod on each of the mounting frames can slidably pass through the guide hole of the connecting seat corresponding thereto.

8. The cleaning device for a belt conveyor according to any one of claims 1 to 7, characterized in that: The first tensioning roller includes a rotating rod and a plurality of tensioning wheels. The rotating rod is extended in the longitudinal direction and can be rotatably arranged in the longitudinal direction on the mounting mechanism. The plurality of tensioning wheels are longitudinally spaced and sleeved on the outer side of the rotating rod. The conveyor belt is wound around the bottom of the plurality of tensioning wheels.

9. The cleaning device for a belt conveyor according to any one of claims 1 to 7, characterized in that: The cleaning mechanism comprises a base, a scraper and two clamping plates. The base is mounted on the mounting mechanism, the two clamping plates are mounted on the base, the scraper is clamped between the two clamping plates, and the scraper is used to clean the bottom of the conveyor belt.

10. A belt conveyor, characterized in that: The belt conveyor is applied with the belt conveyor cleaning device according to any one of claims 1 to 9.

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