CN108622634B - Return blanking cleaning system of belt conveyor - Google Patents
Return blanking cleaning system of belt conveyor Download PDFInfo
- Publication number
- CN108622634B CN108622634B CN201810760078.1A CN201810760078A CN108622634B CN 108622634 B CN108622634 B CN 108622634B CN 201810760078 A CN201810760078 A CN 201810760078A CN 108622634 B CN108622634 B CN 108622634B
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- Prior art keywords
- cleaner
- roller
- sweeper
- chain
- carrier roller
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- 238000004140 cleaning Methods 0.000 title claims abstract description 19
- 241001417527 Pempheridae Species 0.000 claims abstract description 56
- 239000002390 adhesive tape Substances 0.000 claims abstract description 32
- 239000000463 material Substances 0.000 claims abstract description 32
- 229920002635 polyurethane Polymers 0.000 claims abstract description 25
- 239000004814 polyurethane Substances 0.000 claims abstract description 25
- 238000011084 recovery Methods 0.000 claims abstract description 19
- 229920001971 elastomer Polymers 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 238000007790 scraping Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G45/00—Lubricating, cleaning, or clearing devices
- B65G45/10—Cleaning devices
- B65G45/12—Cleaning devices comprising scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G45/00—Lubricating, cleaning, or clearing devices
- B65G45/10—Cleaning devices
- B65G45/26—Cleaning devices for gathering residue after cleaning
Abstract
The invention relates to a belt conveyor, in particular to a return blanking cleaning system of the belt conveyor. The device comprises a middle frame, an upper carrier roller, a lower carrier roller, a head roller, an adhesive tape, a first cleaner, a second cleaner, a third cleaner, a fourth cleaner, a blanking recovery device, a heavy hammer cleaner, a counterweight block and a counterweight block, wherein the counterweight block is arranged on the counterweight block; the upper end of the counterweight supporting seat is hinged with the left end of the T-shaped lever, the lower end of the lever is hinged with the ear seat of the rectangular frame, and the rectangular frame is connected with the middle frame through a vertical beam; the right end of the lever is hinged with the upper end of the connecting rod, the lower end of the connecting rod is hinged with the upper end of the vertical rod, the lower end of the vertical rod is connected with the cross beam below the return rubber belt through the connecting plate, the cross beam is fixedly connected with the third polyurethane scraper, and the two sides of the heavy hammer type sweeper are of symmetrical structures. The shutdown material cleaning time is reduced, the labor intensity of workers is reduced, the goods loss and dust are reduced, and the service lives of equipment such as carrier rollers, belts, bend drums and the like are prolonged.
Description
Technical Field
The invention relates to a belt conveyor, in particular to a return blanking cleaning system of the belt conveyor.
Background
At present, the belt conveyor is suitable for conveying various granular, powdery and other scattered materials, the materials contain moisture, especially in a humid environment, the viscosity of the materials is particularly high, if the materials attached to the working surface of the conveyor belt are not cleaned timely during discharging, the materials can enter the transmission roller, the friction force to the roller is increased, and the damage to the surface glue of the conveyor belt and the wrapping layer of the roller is caused. When the adhesive tape surface of the attached material runs to the return carrier roller, due to continuous contact, a part of the adhesive tape surface can be adhered to the carrier roller, when the material is accumulated to a certain degree, the return carrier roller can generate radial runout, the load and the axial load of the bearing are increased, so that the abrasion of the carrier roller is accelerated, and the carrier roller can be stopped sometimes. If the attachments enter the direction-changing drum, the result may be a deviation of the conveyor. In addition, because the cleaning is not thorough, a new dust raising point can be formed, and the dust raising point is scattered around the conveyor along with the operation of the belt conveyor, so that certain pollution is caused to the environment.
When the water materials are unloaded in winter in the northern harbor, the water materials are affected by air temperature, and frozen materials are easily formed if accumulated materials are not cleaned timely. Making purging more difficult and resulting in longer downtime. The frozen material is hard like the stone, and is extremely easy to scratch and tear the adhesive tape. The materials are adhered to the carrier roller, so that the rotation resistance of the carrier roller after freezing is increased, the carrier roller is worn to aggravate or even wear the adhesive tape, and serious safety accidents such as fire disaster and the like can be caused; after the accumulated materials rolled by the roller are frozen, the adhesive on the surface of the roller is promoted to fall off, so that the roller is damaged to cause the adhesive tape to deviate and the adhesive tape is torn.
The accumulated materials scattered along the line of the belt conveyor are cleaned manually by adopting a mode that the belt system is powered off, so that the labor intensity of workers is increased, the working efficiency of the conveyor is reduced, and accidents are easy to occur.
Disclosure of Invention
The invention aims to solve the technical problem of providing a return blanking cleaning system of a belt conveyor, which reduces the shutdown material cleaning time, lightens the labor intensity and prolongs the service life of an adhesive tape.
The technical scheme adopted for solving the technical problems is as follows:
the belt conveyor return blanking cleaning system comprises a middle frame, an upper carrier roller, a lower carrier roller, a head roller arranged at one end of the middle frame, an adhesive tape, a first sweeper, a second sweeper, a third sweeper, a fourth sweeper, a blanking recovery device, a heavy hammer sweeper, a counterweight support seat and a counterweight, wherein the counterweight support seat is arranged at one side of the middle frame; the upper end of the counterweight supporting seat is hinged with the left end of the T-shaped lever, the lower end of the lever is hinged with the ear seat of the rectangular frame, and the rectangular frame is connected with the middle frame through a vertical beam; the right end of the lever is hinged with the upper end of the connecting rod, the lower end of the connecting rod is hinged with the upper end of the vertical rod, the lower end of the vertical rod is connected with the cross beam below the return rubber belt through the connecting plate, the cross beam is fixedly connected with the third polyurethane scraper, and the two sides of the heavy hammer type sweeper are of symmetrical structures.
Compared with the prior art, the invention adopting the technical scheme has the beneficial effects that:
the shutdown material cleaning time is reduced, the labor intensity of material cleaning workers is reduced, the goods loss and dust are reduced, and the service lives of equipment such as a carrier roller, a belt, a bend drum and the like are prolonged.
Further, the optimization scheme of the invention is as follows:
the sweeper comprises a lower idler, a first lower flat idler, a second lower flat idler, a first counter-pressure roller and a second counter-pressure roller, wherein the first lower flat idler and the second lower flat idler are arranged behind the lower idler, and the first lower flat idler, the second lower flat idler and the lower idler are arranged at equal intervals; the first back pressure roller is positioned between the first lower flat carrier roller and the second lower flat carrier roller; the second back pressure roller is located the rear of first back pressure roller, and first back pressure roller and second back pressure roller are installed at the back of sticky tape, and first back pressure roller, second lower flat roller and second back pressure roller equidistance set up.
A third reflective pressing roller is arranged in front of the heavy hammer type sweeper and is arranged on the back of the adhesive tape.
The first cleaner and the second cleaner are respectively polyurethane cleaners, the first cleaner and the second cleaner are respectively arranged at the outer side of the head roller, the tangency between a first polyurethane scraper of the first cleaner and the adhesive tape of the head roller is in a first tangential point, and the included angle between the first tangential point and the center of the head roller is 5 degrees; the second sweeper is located below the first sweeper, the first polyurethane scraper of the second sweeper is tangent to the adhesive tape of the head roller at a second tangent point, and an included angle between the second tangent point and the center of the head roller is 5 degrees.
The third cleaner and the fourth cleaner are polyurethane cleaners respectively, the third cleaner is arranged under the head winding drum, the fourth cleaner is arranged behind the third cleaner, and the distance between the third cleaner and the fourth cleaner is 1 meter.
The blanking recovery device is arranged above the receiving chute and comprises a driving device, a driving shaft, a first driving sprocket, a second driving sprocket, a driven shaft, a first driven sprocket, a second driven sprocket, a first chain, a second chain and a scraping plate, wherein two ends of the driving shaft are fixedly connected with a side plate of the hopper through bearing seats, one end of the driving shaft is connected with an output shaft of the power device, and the first driving sprocket and the second driving sprocket are arranged in the middle of the driving shaft; the two sides of the driven shaft are connected with the middle frame through bearing blocks, a first driven sprocket and a second driven sprocket are arranged in the middle of the driven shaft, the first driving sprocket and the first driven sprocket are in meshed transmission through a first chain, and the second driving sprocket and the second driven sprocket are in meshed transmission through a second chain; a plurality of scrapers are installed between the first chain and the second chain.
The first chain and the second chain are respectively round-link chains.
The scraper blade includes striker plate, angle steel, band steel and split ring, and split ring is the T shape, and split ring passes two adjacent chain rings of first chain, and bolted connection is passed through with the one end of angle steel to split ring's opening part, and the striker plate is arranged in the middle of angle steel and the band steel and passes through bolted connection, and the both ends of scraper blade are symmetrical structure, and the material of striker plate is wear-resisting rubber.
The left side of the lever of the heavy hammer type sweeper is provided with a plurality of balance weight adjusting holes.
The upper surface of the counter weight of the heavy hammer type sweeper is provided with a boss structure, and the lower surface of the counter weight is provided with a groove structure matched with the boss structure.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the present invention.
Fig. 2 is a front view of a first sweeper of an embodiment of the present invention.
Fig. 3 is a right side view of fig. 2.
Fig. 4 is a front view of a third sweeper of an embodiment of the present invention.
Fig. 5 is a left side view of fig. 4.
FIG. 6 is a front view of a weight sweeper according to an embodiment of the present invention.
FIG. 7 is a schematic diagram of a weight sweeper connecting plate according to an embodiment of the invention.
FIG. 8 is a schematic diagram of a rectangular frame of a heavy-weight sweeper according to an embodiment of the present invention.
FIG. 9 is a schematic diagram showing the structure of the connection between the cross beam of the heavy-weight sweeper and the third polyurethane scraper according to the embodiment of the present invention.
FIG. 10 is a front view of a counterweight of a weight sweeper according to an embodiment of the invention.
FIG. 11 is a top view of a counterweight of a weight sweeper according to an embodiment of the invention.
FIG. 12 is a schematic diagram of a lever of a weight sweeper according to an embodiment of the present invention.
FIG. 13 is a schematic diagram of a weight support of a weight sweeper according to an embodiment of the present invention.
Fig. 14 is a front view of a blanking recovery apparatus of an embodiment of the present invention.
Fig. 15 is a top view of fig. 14.
Fig. 16 is a left side view of fig. 14.
Fig. 17 is a front view of a sprocket of a blanking recovery apparatus of an embodiment of the present invention.
Fig. 18 is a left side view of fig. 17.
Fig. 19 is a front view of a bearing housing bracket of the blanking recovery apparatus of an embodiment of the present invention.
Fig. 20 is a top view of fig. 19.
Fig. 21 is a front view of a tension bracket of a blanking recovery apparatus of an embodiment of the present invention.
Fig. 22 is a left side view of fig. 21.
Fig. 23 is a schematic structural view of an open connection ring of the blanking recovery apparatus according to the embodiment of the present invention.
In the figure: a head hopper 1; a head drum 2; a first sweeper 3; a first polyurethane scraper 3-1; a second cleaner 4; a blanking recovery device 5; a power plant 5-1; 5-2 parts of a driving shaft; a first drive sprocket 5-3; a second drive sprocket 5-4; 5-5 of a driven shaft; a first driven sprocket 5-6; a second driven sprocket 5-7; a first chain 5-8; a second chain 5-9; 5-10 parts of bearing seats; bearing seat bracket 5-11; 5-12 parts of a tensioning bracket; 5-13 of scraping plates; 5-14 parts of a striker plate; 5-15 parts of angle steel; 5-16 parts of flat steel; 5-17 of an open connecting ring; a third sweeper 6; a second polyurethane scraper 6-1; a fourth sweeper 7; a lower carrier roller 8; a first lower flat idler 9; a first counter-pressure roller 10; a second lower flat idler 11; a second counter-pressure roller 12; an adhesive tape 13; a weight type sweeper 14; a counterweight support seat 14-1; balancing weight 14-2; lever 14-3; a frame 14-4; 14-5 of connecting rods; 14-6 parts of vertical rods; 14-7 of connecting plates; a cross beam 14-8; a third polyurethane scraper 14-9; 14-10 of weight adjusting holes; a third counter-press roll 15; a middle frame 16; an upper carrier roller 17; and a vertical beam 18.
Detailed Description
The invention is further described in detail below with reference to the drawings and examples.
Referring to fig. 1, the present embodiment is a belt conveyor return blanking cleaning system, which is composed of a head hopper 1, a head roller 2, a first sweeper 3, a second sweeper 4, a blanking recovery device 5, a third sweeper 6, a fourth sweeper 7, a lower carrier roller 8, a first lower flat carrier roller 9, a first counter-pressure roller 10, a second lower flat carrier roller 11, a second counter-pressure roller 12, an adhesive tape 13, a heavy hammer sweeper 14, a third counter-pressure roller 15, a middle frame 16 and an upper carrier roller 17.
An upper carrier roller 17 and a lower carrier roller 8 are arranged on the middle frame 16, a head roller 2 is arranged at one end of the middle frame 16, the head roller 2 is a driving roller, the adhesive tape 13 is tightly sleeved on the head roller 2, and the head roller 2 is positioned in the head hopper 1. A primary cleaner is mounted on the outer side of the head drum 2, and is composed of a first cleaner 3 and a second cleaner 4 (shown in fig. 2 and 3), wherein the first cleaner 3 and the second cleaner 4 are polyurethane cleaners respectively. According to the relative sizes of the first cleaner 3 and the second cleaner 4, holes are formed in two side walls of the head hopper 1 of the belt conveyor, and reinforcing plates are arranged on the inner walls to ensure the structural strength of the two side walls. The tangency of the first polyurethane scraper 3-1 of the first sweeper 3 and the adhesive tape 13 of the head roller 2 is at a first tangent point, and the included angle of the first tangent point and the center of the head roller 3 is 5 degrees. The second cleaner 4 is located below the first cleaner 4, and the first polyurethane scraper 3-1 of the second cleaner 4 is tangent to the adhesive tape 13 of the head roller 2 at a second tangent point, and the included angle between the second tangent point and the center of the head roller 4 is 5 degrees. The first cleaner 3 and the second cleaner 4 are symmetrical to the horizontal center line of the head drum 2, so that the installation can provide reliable use stability and cleaning effect, and the materials adhered by the conveyor belt can be scraped into the head hopper 1 directly. The model of the first sweeper 3 and the second sweeper 4 is GLP-HD-180.
The third cleaner 6 and the fourth cleaner 7 (shown in fig. 4 and 5) form a secondary cleaner, and the third cleaner 6 and the fourth cleaner 7 are respectively polyurethane cleaners, and the model is GL-MSC-180. The third cleaner 6 is installed right under the head drum 2, the second polyurethane blade 6-1 of the third cleaner 6 is located on the vertical center line of the head drum 2, the fourth cleaner 7 is placed behind the third cleaner 6, and the distance between the third cleaner 6 and the fourth cleaner 7 is 1 meter. The third cleaner 6 and the fourth cleaner 7 are respectively and fixedly connected with the middle frame 16 through a support, and the heads of the two groups of polyurethane scrapers and the working surface of the conveyor belt are required to be 90 degrees by installing and fixing the support.
The heavy-hammer type sweeper 14 is a three-stage sweeper, and the heavy-hammer type sweeper 14 consists of a counterweight support seat 14-1, a counterweight 14-2, a lever 14-3, a frame 14-4, a connecting rod 14-5, a vertical rod 14-6, a connecting plate 14-7, a cross beam 14-8 and a third polyurethane scraper 14-9. The weight support 14-1 is placed on the side of the intermediate frame 16, and the intermediate frame 16 is composed of a disc and round steel. The counter weight support seat 16 is provided with a plurality of circular counter weights 14-2 with different specifications, the upper surface of the counter weight 14-2 is provided with a circular boss structure, and the lower surface of the counter weight 14-2 is provided with a circular groove structure matched with the circular boss structure. The balancing weight 14-2 is provided with a radial rectangular groove, and the inner end of the rectangular groove coincides with the circle center. The upper end of the counterweight supporting seat 14-1 is hinged with the left end of the T-shaped lever 14-3 through a pin shaft, the lower end of the lever 14-3 is hinged with an ear seat at the upper part of the rectangular frame 14-4, the frame 14-4 is connected with the middle frame 16 through a vertical beam 18, the right end of the lever 14-3 is hinged with the upper end of the connecting rod 14-5, the lower end of the connecting rod 14-5 is hinged with the upper end of the vertical rod 14-6 through a pin shaft, the lower end of the vertical rod 14-6 is connected with the cross beam 14-8 below the return adhesive tape 13 through a connecting plate 14-7, the cross beam 14-8 is fixedly connected with the third polyurethane scraper 14-9, and the third polyurethane scraper 14-9 is 90 degrees with the adhesive tape 13. The two sides of the heavy hammer type sweeper are symmetrical structures. The left side of the lever 14-3 of the weight sweeper 14 is provided with a plurality of weight adjusting holes. The third back-pressing roller 15 is arranged at the position, which is in front of the heavy hammer type sweeper 14 and is a half meter away from the back of the return adhesive tape 13, so that the sweeping contact force is effectively guaranteed, the sweeper support is an anti-tipping D-shaped component, the device has the function of limiting scraper abrasion, and when the scraper abrasion reaches the scrapping standard, the device can generate a certain height with the adhesive tape 13, and the scratch of the adhesive tape 13 by a scraper metal structure is avoided. The tail end of the adjustable lever is provided with a through hole which is connected with the other group of the counterweight supporting seat by a pin shaft, and the counterweight supporting seat is provided with counterweight blocks with different weights. According to the characteristics of different materials unloaded, the counterweight can be increased or decreased to adjust different contact forces between the scraper and the belt, so that the polyurethane cutter head of the heavy hammer type sweeper is tightly attached to the belt jumping in working, and the cleaning effect is obvious and effective.
The four-stage sweeper is a carrier roller combination type sweeper, is arranged at a return receiving plate of the head of the belt conveyor and consists of a lower carrier roller 8, a first lower flat carrier roller 9, a first counter-pressure roller 10, a second lower flat carrier roller 11 and a second counter-pressure roller 12. The first lower flat carrier roller 9 and the second lower flat carrier roller 11 are arranged behind the lower carrier roller 8, and the first lower flat carrier roller 9, the second lower flat carrier roller 11 and the lower carrier roller 8 are equidistantly arranged. The first counter roller 10 is located intermediate the first and second lower flat rollers 9 and 11. The second counter-pressure roller 12 is positioned behind the second lower flat carrier roller 11, and the second counter-pressure roller 12 is arranged at a position with the tail part being 1 meter away from the first counter-pressure roller 10. The first counter-pressure roller 10 and the second counter-pressure roller 12 are arranged on the back surface of the adhesive tape 13, and the first counter-pressure roller 10, the second lower flat roller 11 and the second counter-pressure roller 12 are equidistantly arranged. The lower carrier roller 8, the first lower flat carrier roller 9, the first counter-pressure roller 10, the second lower flat carrier roller 11, the second counter-pressure roller 12 and the adhesive tape 13 are in an M shape, and the cleaning principle is that the pressure of the counter-pressure roller acting on the adhesive tape in the operation of the conveyor and the lower flat carrier roller encrypted by the carrier roller generate stronger high pressure so as to extrude the materials on the surface of the belt in the transportation.
The blanking recovery device 5 (shown in figures 14, 15 and 16) is arranged between the head hopper 1 and the return receiving plate, and the blanking recovery device 14 consists of a power device 5-1, a driving shaft 5-2, a first driving sprocket 5-3, a second driving sprocket 5-4, a driven shaft 5-5, a first driven sprocket 5-6, a second driven sprocket 5-7, a first chain 5-8, a second chain 5-9, a bearing seat 5-10, a bearing seat bracket 5-11, a tensioning bracket 5-12 and a scraping plate 5-13. Two sides of a driving shaft 5-2 are connected with a side plate of the head hopper 1 through bearing blocks 5-10, one end of the driving shaft 5-2 is connected with an output shaft of a power device 5-1, and the power device 5-1 is a motor and speed reducer combination. The middle part of the driving shaft 5-2 is provided with a first driving chain wheel 5-3 and a second driving chain wheel 5-4. The two sides of the driven shaft 5-5 are connected with the middle frame 16 through bearing blocks 5-10, the bearing blocks 5-10 are arranged on bearing block supports 5-11, tensioning supports 5-12 are arranged on the inner sides of the bearing block supports 5-11, the tensioning supports 5-12 are composed of adjusting bolts and vertical plates, and the driven shaft 5-5 can be adjusted through the tensioning supports 5-12 so as to adjust the length of a chain. The middle part of the driven shaft 5-5 is provided with a first driven sprocket 5-6 and a second driven sprocket 5-7, the first driving sprocket 5-3 and the first driven sprocket 5-6 are in meshed transmission through a first chain 5-8, and the second driving sprocket 5-4 and the second driven sprocket 5-7 are in meshed transmission through a second chain 5-9; 7 equidistant scrapers 10 are mounted between the first chain 5-8 and the second chain 5-9. The first chain 5-8 and the second chain 5-9 are respectively round-link chains for mines.
The scraping plate 10 is composed of a striker plate 5-14, angle steel 5-15, flat steel 5-16 and an opening connecting ring 5-17, wherein the opening connecting ring 5-17 is T-shaped, the opening connecting ring 5-17 penetrates through two adjacent chain rings of the first chain 5-8, an opening part of the opening connecting ring 5-17 is connected with one end of the angle steel 5-15 through bolts, the striker plate 5-14 is arranged between the angle steel 5-15 and the flat steel 5-16 and is connected through bolts, two ends of the scraping plate 10 are of symmetrical structures, and the material of the striker plate 5-14 is wear-resistant rubber. The blanking recovery device 5 uses a receiving plate or a receiving chute of the return stroke of the adhesive tape 13 as a bearing piece of materials such as ores, coals and the like. The scrapers 5-10 are fixed on a chain (forming a scraper chain) as traction members; when the power device 5-1 is started, the first driving sprocket 5-3 and the second driving sprocket 5-4 on the driving shaft 5-2 are driven to rotate, so that the scraper chain is driven to move along the material receiving chute by circulating operation until the belt conveyor head hopper 1 is unloaded. The scraper chain bypasses a chain wheel to perform stepless closed circulation operation, and the recovery of return blanking is completed.
The blanking recovery device 5 is used for recovering all cleaned materials into the head hopper 1 according to the installation position of the on-site four-stage cleaner, intercepting the service length of the mining round-link chain 9 and the number of the manufacturing scraping plates 10 and the opening connecting rings 11 after determining the distance required for material recovery so as to meet the on-site requirements, and positioning and perforating the combined hopper wall of the head hopper according to the related size before installing the power device 5-1, the bearing seat 5-10, the driving shaft 5-2, the bearing seat support 5-11, the first driving sprocket 5-3 and the second driving sprocket 5-4. The first driving sprocket 5-3 and the second driving sprocket 5-4 must be loaded in the head hopper combination, and the bearing seat 5-10 must be located outside the hopper wall of the head hopper 1 to ensure that the whole equipment is in good operation. The pitch circle diameter of the first driving sprocket wheel 5-3 and the second driving sprocket wheel 5-4 and the effective height of the scraping plate are combined, the ideal center distance is calculated by carrying out the center distance calculation on the sprocket wheel in the head hopper 1 to meet the site requirement, the situation that fine materials are clamped in the operation process and the maintenance is convenient is avoided, the connecting holes of the bearing seat support 5-11 and the bearing seat are long-strip holes, when the mine chain links are worn in use, the chain loosens, derailment occurs on site, and the like, the tensioning support is adopted to adjust the chain tensioning after the bolts of the bearing seat base are loosened. The power device, the driving chain wheel, the driven chain wheel, the mining round-link chain, the scraping plates and the like are assembled on site, the site accumulated material surface is used as a material bearing surface, the number of the scraping plates is adjusted according to actual working conditions, and interference with existing equipment on site is avoided in the installation process. And the blanking recovery device 5 should be started to interlock with the belt conveyor to ensure that the belt conveyor is started before.
The foregoing description is only of the preferred embodiments of the invention and is not intended to limit the scope of the claims, but rather the equivalent structural changes made by the application of the present description and drawings are intended to be included within the scope of the claims.
Claims (3)
1. The belt conveyor return blanking cleaning system comprises a middle frame, an upper carrier roller, a lower carrier roller, a head roller arranged at one end of the middle frame, an adhesive tape, a first sweeper, a second sweeper, a third sweeper, a fourth sweeper and a blanking recovery device, and is characterized by further comprising a heavy hammer sweeper, wherein the heavy hammer sweeper comprises a counterweight supporting seat arranged at one side of the middle frame, and a counterweight is arranged on the counterweight supporting seat; the upper end of the counterweight supporting seat is hinged with the left end of the T-shaped lever, the lower end of the lever is hinged with the ear seat of the rectangular frame, and the rectangular frame is connected with the middle frame through a vertical beam; the right end of the lever is hinged with the upper end of the connecting rod, the lower end of the connecting rod is hinged with the upper end of the vertical rod, the lower end of the vertical rod is connected with a cross beam below the return adhesive tape through a connecting plate, the cross beam is fixedly connected with a third polyurethane scraper, and the two sides of the heavy hammer type sweeper are of symmetrical structures; a third reflective pressing roller is arranged in front of the heavy hammer type sweeper and is arranged on the back of the adhesive tape;
the first cleaner and the second cleaner are respectively polyurethane cleaners, the first cleaner and the second cleaner are respectively arranged at the outer side of the head roller, a first polyurethane scraper of the first cleaner is tangential to an adhesive tape of the head roller at a first tangential point, and an included angle between the first tangential point and the center of the head roller is 5 degrees; the second cleaner is positioned below the first cleaner, the first polyurethane scraper of the second cleaner is tangent to the adhesive tape of the head roller at a second tangent point, and the included angle between the second tangent point and the center of the head roller is 5 degrees;
the third cleaner and the fourth cleaner are polyurethane cleaners respectively, the third cleaner is arranged under the head winding drum, the fourth cleaner is arranged at the rear of the third cleaner, and the distance between the third cleaner and the fourth cleaner is 1 meter;
the cleaning device comprises a lower carrier roller, a first lower flat carrier roller, a second lower flat carrier roller, a first counter-pressure roller and a second counter-pressure roller, wherein the first lower flat carrier roller and the second lower flat carrier roller are arranged behind the lower carrier roller, and the first lower flat carrier roller, the second lower flat carrier roller and the lower carrier roller are arranged at equal intervals; the first back pressure roller is positioned between the first lower flat carrier roller and the second lower flat carrier roller; the second back pressure roller is positioned behind the first back pressure roller, the first back pressure roller and the second back pressure roller are arranged on the back surface of the adhesive tape, and the first back pressure roller, the second lower flat roller and the second back pressure roller are equidistantly arranged;
the blanking recovery device is arranged above the receiving chute and comprises a driving device, a driving shaft, a first driving sprocket, a second driving sprocket, a driven shaft, a first driven sprocket, a second driven sprocket, a first chain, a second chain and a scraping plate, wherein two ends of the driving shaft are fixedly connected with a side plate of the hopper through bearing seats, one end of the driving shaft is connected with an output shaft of the power device, and the first driving sprocket and the second driving sprocket are arranged in the middle of the driving shaft; the two sides of the driven shaft are connected with the middle frame through bearing blocks, a first driven sprocket and a second driven sprocket are arranged in the middle of the driven shaft, the first driving sprocket and the first driven sprocket are in meshed transmission through a first chain, and the second driving sprocket and the second driven sprocket are in meshed transmission through a second chain; a plurality of scrapers are arranged between the first chain and the second chain; the first chain and the second chain are respectively round-link chains;
the scraper blade includes striker plate, angle steel, band steel and split ring, and split ring is the T shape, and split ring passes two adjacent chain rings of first chain, and bolted connection is passed through with the one end of angle steel to split ring's opening part, and the striker plate is arranged in the middle of angle steel and the band steel and passes through bolted connection, and the both ends of scraper blade are symmetrical structure, and the material of striker plate is wear-resisting rubber.
2. The belt conveyor return blanking cleaning system as set forth in claim 1 wherein the weight sweeper has a plurality of weight adjusting holes on the left side of the lever.
3. The belt conveyor return blanking cleaning system of claim 1, wherein a boss structure is arranged on the upper surface of a balancing weight of the heavy hammer type sweeper, and a groove structure matched with the boss structure is arranged on the lower surface of the balancing weight.
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| CN201810760078.1A CN108622634B (en) | 2018-07-11 | 2018-07-11 | Return blanking cleaning system of belt conveyor |
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| CN201810760078.1A CN108622634B (en) | 2018-07-11 | 2018-07-11 | Return blanking cleaning system of belt conveyor |
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| CN108622634B true CN108622634B (en) | 2024-03-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109748066A (en) * | 2019-03-11 | 2019-05-14 | 中冶焦耐(大连)工程技术有限公司 | A kind of deashing device of belt conveyer head |
| CN112896947A (en) * | 2021-01-25 | 2021-06-04 | 河南科诺机械设备有限公司 | Novel environmental protection is from clear conveying equipment |
| CN113428581A (en) * | 2021-05-28 | 2021-09-24 | 华能国际电力股份有限公司上海石洞口第一电厂 | Conveyer belt overspeed device tensioner and belt conveyor |
| CN115676433A (en) * | 2022-11-18 | 2023-02-03 | 大连华锐重工集团股份有限公司 | Self-cleaning chain bucket type continuous ship unloader |
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