Belt cleaning device

Abstract

The utility model relates to the technical field of belt cleaning, in particular to a belt cleaning device. According to the cleaning device disclosed by the utility model, three working procedures of spraying, sweeping and scraping are combined, so that the belt is cleaned; when the belt runs, the belt is flushed by the spraying assembly firstly, and part of muck attached to the belt is flushed down and falls into the dirt collecting tank; muck which is still attached after being scoured is driven by the belt to move to the position of the rolling brush assembly, and most of the remaining muck is brushed down through the rolling brush assembly and falls into the dirt collecting tank; and finally, residual muck and water on the belt are scraped off together through the scraper, the muck is scoured by the spraying assembly, the water content is increased, and the friction force attached to the belt is reduced, so that the scraper can easily scrape off the muck, the abrasion of the scraper is reduced, and the muck and water scraped off by the scraper fall into a water collecting tank due to self weight under the drainage of the inner wall of the scraper. The water serves as a water source of the spraying assembly.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of belt cleaning, in particular to a belt cleaning device. BACKGROUND

[0002] Belt conveyors are often used for long-distance material conveying and are widely used in material handling in mining, construction, agriculture and manufacturing industries, and can efficiently complete various material conveying tasks.

[0003] In culvert construction, a belt conveyor is often used to transport spoil. Because the spoil has a high water content and the section is a full-face slightly weathered granite, the spoil contains a large amount of fine sand. When fine sand is mixed with water, it will adhere to the belt, thereby affecting the conveying efficiency.

[0004] Most existing belt cleaner devices scrape the debris on the belt with a polyurethane scraper. When applied to a belt conveyor with spoil attached, the scraper will experience greater resistance, which will exacerbate the wear of the scraper. Frequent replacement of the scraper will increase transportation costs. CONTENT OF THE INVENTION

[0005] The present application aims to solve the problem of severe wear of the scraper of the belt cleaner device described above, and to provide a belt cleaning device.

[0006] The present application solves the problem by adopting the following technical solution:

[0007] A belt cleaning device is provided at the tail of a belt conveyor and includes a scraper, a water collecting tank, a rolling brush assembly and a spraying assembly. The two ends of the scraper are rotatably connected to the tail of the belt conveyor, and the tip of the scraper abuts the surface of the belt at the tail of the belt conveyor. A collection tank is provided below the scraper, and the top slot of the collection tank has a width greater than that of the scraper. A sewage collecting tank is connected to one end of the water collecting tank, and the sewage collecting tank is located below the belt conveyor. A rolling brush assembly is rotatably provided on the upper end of the middle part of the sewage collecting tank, and the top of the rolling brush assembly abuts the surface of the belt on the lower side of the belt conveyor. A spraying assembly is provided on the sewage collecting tank in front of the rolling brush assembly, and the spraying assembly is connected to the bottom of the water collecting tank. The spray line of the spraying assembly forms an acute angle with the running direction of the belt.

[0008] The belt cleaning device has the following advantages compared with the prior art:

[0009] The belt is cleaned by the three processes of spraying, cleaning and scraping; when the belt is running, the belt is first washed by the spraying assembly, and a part of the residual earth on the belt is washed off and falls into the collecting tank; the residual earth that still adheres to the belt after being washed moves to the position of the rolling brush assembly under the driving of the belt, and most of the residual earth is brushed off by the rolling brush assembly and falls into the collecting tank; finally, the residual earth on the belt is scraped off together with water by the scraper; since the residual earth is washed by the spraying assembly, the water content is increased, the friction force between the residual earth and the belt is reduced, and the scraper can easily scrape off the residual earth, thereby reducing the abrasion of the scraper; the residual earth and water scraped off by the scraper fall into the collecting tank under the drainage of the inner wall of the scraper due to gravity, and the water is used as the water source of the spraying assembly.

[0010] As preferred, the further technical scheme of the utility model is:

[0011] The first sleeve is fixed at both ends of the bottom of the scraper, an axially parallel fixing rod is fixed on the first sleeve, a rotating rod is movably inserted into the first sleeve, a second sleeve is fixedly sleeved on the rotating rod, a fixing plate is fixed radially on the second sleeve, a threaded rod is movably inserted into the fixing plate, one end of the threaded rod is fixed to the fixing rod, and the other end of the threaded rod is elastically connected to the fixing plate; the outer end of the rotating rod is fixedly sleeved with the rotating shaft at the tail of the belt conveyor. The spring drives the threaded rod to abut against the fixing plate, so that the first sleeve drives the scraper to abut against the belt, thereby increasing the cleaning effect of the scraper.

[0012] The outer end of the rotating rod is fixedly sleeved with a first connecting plate, a second connecting plate is movably sleeved on the rotating shaft of the unloading roller at the tail of the belt conveyor, a plurality of threaded holes are formed in the first connecting plate and the second connecting plate along the length direction, and the two abutting threaded holes of the first connecting plate and the second connecting plate are threadedly connected with a bolt. The scraper and the belt conveyor are connected through the above structure, and the distance between the scraper and the belt conveyor is adjustable.

[0013] A slot is formed in the inner wall of the middle part of the collecting tank, one end of the slot protrudes from the side wall of one end of the collecting tank, a filter frame is inserted into the slot, and filter cotton is fixed in the middle of the filter frame. The water and the residual earth scraped off by the scraper are filtered through the filter cotton, the liquid falls into the bottom of the collecting tank and is used as the water source of the spraying assembly, and when the filter cotton needs to be replaced, the filter frame can be directly taken out of the collecting tank for replacement.

[0014] The spraying assembly comprises a conveying pipeline, a water pump and a plurality of flat nozzle sprayers, the rear end of the conveying pipeline is connected to the bottom of the collecting tank, the front end of the conveying pipeline is connected to the water inlet of the water pump, the water outlet of the water pump is hingedly connected with a water distribution pipe, and the flat nozzle sprayers are equidistantly connected to the water distribution pipe. The water pump pumps the water at the bottom of the collecting tank into the water distribution pipe through the conveying pipeline, and sprays the water to the belt through the flat nozzle sprayers, the water flow sprayed by the flat nozzle sprayers is fan-shaped, the spraying coverage area can be increased, and the spraying effect is improved.

[0015] The rolling brush assembly comprises a rolling brush and a bearing seat inserted at both ends of the rolling brush, the bearing seat is fixed at the top end of the middle part of the dirt collecting tank, and the front end of the brush of the rolling brush abuts against the belt. Through the above structure, the rolling brush is rotatably arranged on the dirt collecting tank.

[0016] A scraper is arranged in the dirt collecting tank below the rolling brush, and the top end of the scraper is in contact with the brush of the rolling brush. The dirt on the rolling brush is scraped off by the scraper and flows into the dirt collecting tank.

[0017] Limiting grooves are formed at both ends of the water collecting tank, a connecting ring is fixedly sleeved on the first sleeve, a screw rod is threadedly connected to the bottom of the connecting ring, and the inner end of the screw rod abuts against the corresponding limiting groove. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a use state schematic view of the cleaning device of the present application;

[0019] Figure 2 is another view schematic view of the use state of the cleaning device of the present application;

[0020] Figure 3 is a structure schematic view of the cleaning device of the present application;

[0021] Figure 4 is Figure 3 is a local enlarged view of A in FIG. 5;

[0022] Figure 5 is another view structure schematic view of the cleaning device of the present application;

[0023] Figure 6 is a side view of the cleaning device of the present application;

[0024] Figure 7 is a structure sectional view of the spray assembly, the rolling brush assembly and the dirt collecting tank of the present application;

[0025] Figure 8 is a structure sectional view of the water collecting tank of the present application.

[0026] In the figure: 1, scraper; 11, first sleeve; 12, connecting ring; 13, fixed ring; 131, fixed rod; 14, second sleeve; 141, fixed plate; 142, spring; 143, threaded rod; 15, rotating rod; 16, first connecting plate; 17, second connecting plate; 2, water collecting tank; 21, filter frame; 22, limiting groove; 23, insertion groove; 3, dirt collecting tank; 4, rolling brush assembly; 41, rolling brush; 42, bearing seat; 43, scraper; 5, spray assembly; 51, water distribution pipe; 52, flat nozzle; 53, water pump; 54, conveying pipeline; 6, belt. DETAILED DESCRIPTION

[0027] The utility model makes further illustration in combination with the embodiment, the purpose is only in better understanding the utility model content, therefore, the example does not limit the protection scope of the utility model.

[0028] With reference to Figures 1-8 The utility model discloses a belt cleaning device sets up at the tail of belt conveyor, including scraper 1, water collecting tank 2, rolling brush subassembly 4 and spray subassembly 5, both ends of scraper 1 are rotatably connected at the tail of belt conveyor, and the tip of scraper 1 abuts at the surface of belt 6 of the tail of belt conveyor, and the collecting groove is arranged below scraper 1, and the width of the top slot of collecting groove is greater than the width of scraper 1, one end of water collecting tank 2 is connected with the collecting tank 3, and the collecting tank 3 is located below the belt conveyor, and the length of the collecting tank 3 is greater than the width of belt 6 on the belt conveyor, and rolling brush subassembly 4 is rotatably arranged on the middle upper end of collecting tank 3, and the top of rolling brush subassembly 4 abuts at the surface of belt 6 on the lower side of belt conveyor, and spray subassembly 5 is arranged on the collecting tank 3 in front of rolling brush subassembly 4, and spray subassembly 5 is connected with the bottom of water collecting tank 2, and the injection line of spray subassembly 5 forms an acute angle with the running direction of belt 6.

[0029] In the embodiment, the bottom of scraper 1 is provided with a fixing groove, a connecting rod is fixedly inserted in the fixing groove and connected by bolts, both ends of the connecting rod protrude from both ends of the scraper 1, both ends of the connecting rod are fixedly provided with first sleeves 11, coaxial fixing rings 13 are fixedly arranged on the outer end faces of the first sleeves 11, the inner ring diameter of the fixing rings 13 is equal to the inner ring diameter of the first sleeves 11, fixing rods 131 are fixedly arranged on the outer ends of the fixing rings 13 perpendicularly, and the fixing rods 131 are axially parallel to the first sleeves 11, rotating rods 15 are movably inserted in the first sleeves 11 at both ends, second sleeves 14 are fixedly sleeved on the rotating rods 15 outside the fixing rings 13, fixing plates 141 are fixedly arranged on the outer walls of the second sleeves 14 radially, through holes are formed in the middle of the fixing plates 141, threaded rods 143 are inserted in the through holes, one end of the threaded rods 143 is axially fixedly connected with the fixing rods 131, the other end of the threaded rods 143 is threadedly connected with a nut, springs 142 are sleeved on the threaded rods 143 between the nut and the fixing plates 141, and both ends of the springs 142 are fixedly connected with the fixing plates 141 and the nut, the threaded rods 143 are driven to press and rotate the fixing rods 131 away from the fixing plates 141 by the springs 142, so as to drive the first sleeves 11 and the scraper 1 to rotate, and the tip of the scraper 1 is kept abutting on the belt 6, when the tip of the scraper 1 is worn, the pre-pressing force of the springs 142 is increased by rotating the nut to compensate the wear amount, and the outer ends of the rotating rods 15 are fixedly sleeved with the rotating shafts of the tail of the belt conveyor.

[0030] In the embodiment, the outer end of the rotating rod 15 is fixedly sleeved with a first connecting plate 16, the rotating shaft of the tail unloading roller of the belt conveyor is movably sleeved with a second connecting plate 17, a plurality of threaded holes are formed in the first connecting plate 16 and the second connecting plate 17 along the length direction, the pitch of the threaded holes in the first connecting plate 16 and the second connecting plate 17 is equal, and a bolt is threadedly connected in the two abutting threaded holes of the first connecting plate 16 and the second connecting plate 17. By adjusting the corresponding relationship between the first connecting plate 16 and the second connecting plate 17, the connecting length of the first connecting plate 16 and the second connecting plate 17 is adjusted, so that the spacing between the rotating rod 15 and the belt conveyor is adjustable, so that the device is suitable for belt conveyors with different diameters.

[0031] In the embodiment, the length of the water collecting tank 2 is set to be greater than the length of the scraper 1 by 200mm-400mm, the width of the water collecting tank 2 is set to be greater than the width of the scraper 1 by 100mm-150mm, and the top of the water collecting tank 2 extends to the lower one-third position of the scraper 1, so that the muck and water scraped by the scraper 1 can smoothly enter the water collecting tank 2 along the scraper 1, a slot 23 is formed in the inner wall of the middle part of the water collecting tank 2, one end of the slot 23 protrudes from the side wall of one end of the water collecting tank 2, a filter frame 21 is inserted into the slot 23, the length of the filter frame 21 is greater than the length of the water collecting tank 2, so that one end of the filter frame 21 protrudes from the water collecting tank 2, and filter cotton is fixed in the middle of the filter frame 21. The water and muck scraped by the scraper 1 are filtered through the filter cotton, the liquid falls to the bottom of the water collecting tank 2, and the solid is left on the filter cotton. The liquid is used as the water source of the spraying assembly 5, is sent to the water distribution pipe 51 through the conveying pipeline 54, and when the filter cotton needs to be replaced, the filter frame 21 can be directly taken out of the water collecting tank 2 for replacement.

[0032] In the embodiment, the spraying assembly 5 comprises a conveying pipeline 54, a water pump 53 and a plurality of flat nozzle sprayers 52, the rear end of the conveying pipeline 54 is connected to the bottom of the water collecting tank 2, the front end of the conveying pipeline 54 is connected to the water inlet of the water pump 53, the water outlet of the water pump 53 is hingedly connected with a horizontally arranged water distribution pipe 51, and the flat nozzle sprayers 52 are equidistantly connected to the water distribution pipe 51. The water pump 53 pumps the water at the bottom of the water collecting tank 2 to the water distribution pipe 51 through the conveying pipeline 54, and sprays the water to the belt 6 through the flat nozzle sprayers 52. The water flow sprayed by the flat nozzle sprayers 52 is fan-shaped, which can increase the spraying coverage area and thus increase the spraying effect. Preferably, the angle between the spraying line of each flat nozzle sprayer 52 and the running direction of the belt 6 of the belt conveyor is 15°-45°, so as to wash the muck attached to the belt 6.

[0033] In the embodiment, the rolling brush assembly 4 comprises a rolling brush 41 and a bearing seat 42 inserted at both ends of the rolling brush 41, the bearing seat 42 is fixed at the top of the middle part of the collecting tank 3, a motor is fixed at the outer end of the bearing seat 42, the rotating shaft of the motor is coaxially fixed with the rolling brush 41, the rolling brush 41 is driven to rotate through the rotating shaft, the front end of the brush of the rolling brush 41 abuts against the belt 6; preferably, the rolling brush 41 is parallel to the unloading roller shaft of the belt conveyor, and the rotating direction of the rolling brush 41 is opposite to the rotating direction of the unloading roller, so that the rolling brush 41 can brush the earth on the belt 6.

[0034] In the embodiment, a scraper 43 is arranged in the collecting tank 3 below the rolling brush 41, the scraper 43 is perpendicular to the axial direction of the rolling brush 41, and the top end of the scraper 43 extends to at least the middle position of the brush of the rolling brush 41. The scraper 43 can scrape the dirt on the rolling brush 41 and guide the dirt to the collecting tank 3.

[0035] In the embodiment, limit grooves 22 are formed at both ends of the collecting tank 2, a connecting ring 12 is fixedly sleeved on the first sleeve 11, a screw rod is threadedly connected to the bottom of the connecting ring 12, and the inner end of the screw rod abuts against the corresponding limit groove 22. The position of the collecting tank 2 is limited through the above structure, so that the position of the collecting tank 2 is not moved during use, and the drainage of the scraper 1 is not affected.

[0036] The belt 6 is cleaned through the combination of the three processes of spraying, cleaning and scraping. When the belt 6 is running, the return belt 6 is first washed by the flat nozzle 52, and a part of the earth attached to the belt 6 is washed off and falls into the collecting tank 3. The earth still attached after being washed is moved to the position of the rolling brush 41 under the driving of the belt 6, most of the remaining earth is brushed off by the rolling brush 41 and falls into the collecting tank 3 through the scraper 43. Finally, the remaining earth and water on the belt 6 are scraped off by the scraper 1. Since the earth is washed by the spraying assembly 5, the water content is high, the friction force between the earth and the belt 6 is reduced, and the earth can be easily scraped off by the scraper 1, so that the wear of the scraper 1 is reduced. The earth and water scraped off by the scraper 1 fall into the collecting tank 2 under the drainage of the inner wall of the scraper 1 due to gravity, and serve as the water source of the spraying assembly 5.

[0037] The above only describes the preferred and feasible embodiments of the utility model, and does not limit the scope of the utility model, and equivalent changes made by applying the content of the utility model specification and drawings are included in the scope of the utility model.

Claims

1. A belt cleaning device, installed at the tail end of a belt conveyor, characterized in that: The system includes a scraper, a water collection trough, a roller brush assembly, and a spray assembly. The scraper is rotatably connected to the tail end of the conveyor belt, with its tip abutting against the belt surface at the tail end. The collection trough is located below the scraper, and its top opening width is greater than the scraper width. One end of the water collection trough is connected to a sludge collection trough, which is located below the conveyor belt. The roller brush assembly is rotatably positioned at the upper middle part of the sludge collection trough, with its top abutting against the belt surface on the lower side of the conveyor belt. The spray assembly is located on the sludge collection trough in front of the roller brush assembly and is connected to the bottom of the water collection trough. The spray line of the spray assembly forms an acute angle with the belt's running direction.

2. The belt cleaning device according to claim 1, characterized in that: The scraper has a first sleeve fixed at both ends of its bottom. A fixed rod parallel to the axis is fixed on the first sleeve. A rotating rod is movably inserted in the first sleeve. A second sleeve is fixedly sleeved on the rotating rod. A fixed plate is radially fixed on the second sleeve. A threaded rod is movably inserted in the fixed plate. One end of the threaded rod is fixed to the fixed rod. The other end of the threaded rod is elastically connected to the fixed plate. The outer end of the rotating rod is fixedly sleeved with the rotating shaft at the tail of the belt conveyor.

3. The belt cleaning device according to claim 2, characterized in that: The outer end of the rotating rod is fixedly sleeved with a first connecting plate, and the shaft of the unloading roller at the tail of the belt conveyor is movably sleeved with a second connecting plate. The first and second connecting plates have multiple threaded holes along their length, and bolts are threaded into the threaded holes at two corresponding positions of the first and second connecting plates.

4. The belt cleaning device according to claim 1, characterized in that: A slot is provided on the inner wall of the middle part of the water collection tank. One end of the slot protrudes from the side wall of one end of the water collection tank. A filter frame is inserted into the slot, and filter cotton is fixed in the middle of the filter frame.

5. The belt cleaning device according to claim 1, characterized in that: The spray assembly includes a delivery pipe, a water pump, and several flat nozzles. The rear end of the delivery pipe is connected to the bottom of the water collection tank, and the front end of the delivery pipe is connected to the water inlet of the water pump. The water outlet of the water pump is hinged to a water distribution pipe, and each flat nozzle is equidistantly connected to the water distribution pipe.

6. The belt cleaning device according to claim 1, characterized in that: The roller brush assembly includes a roller brush and bearing seats inserted at both ends of the roller brush. The bearing seats are fixed to the top of the middle part of the sludge collection tank, and the front end of the brush bristles abuts against the belt.

7. The belt cleaning device according to claim 6, characterized in that: A scraper is installed in the dirt collection trough below the roller brush, and the top of the scraper contacts the bristles of the roller brush.

8. The belt cleaning device according to claim 1, characterized in that: Limiting grooves are provided at both ends of the water collection tank. A connecting ring is fixedly sleeved on the first sleeve. A screw is threaded to the bottom of the connecting ring, and the inner end of the screw abuts in the corresponding limiting groove.

Images