CN103466263B - without blocking scraper feeder - Google Patents
without blocking scraper feeder Download PDFInfo
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- CN103466263B CN103466263B CN201310453373.XA CN201310453373A CN103466263B CN 103466263 B CN103466263 B CN 103466263B CN 201310453373 A CN201310453373 A CN 201310453373A CN 103466263 B CN103466263 B CN 103466263B
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- casing
- axle assembly
- scraper
- chain
- supporting board
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
- Pusher Or Impeller Conveyors (AREA)
Abstract
Without blocking scraper feeder, belong to industrial transport feed technical field of mechanical equipment.Comprise casing (1), driving device (2), head axle assembly (3), tail axle assembly (4), scraper chain (6) and scraper plate (7), casing (1) transverse horizontal is placed, head axle assembly (3) and tail axle assembly (4) are arranged on the head of casing (1) respectively and afterbody is characterized in that: described feeding-passage (9) lower end and casing (1) junction are provided with up-small and down-big funnel-form blanking port (10), parallelly immediately below blanking port (10) be provided with supporting board (11), supporting board (11) is positioned between upper-lower scraper chain (6), the material that blanking port (10) falls can form chevron in the upper plane of supporting board (11) and pile up, supporting board (11) side is provided with the freight volume control apparatus (5) that can control mass transport amount.This nothing blocking scraper feeder adjustable freight volume, reliable, prevent chute blockage, chain cleavage from occurring, increase work efficiency, saving labour.
Description
Technical field
Without blocking scraper feeder, belong to industrial transport feed technical field of mechanical equipment, be specifically related to a kind of scraper feeder for thermoelectric power station or coal plant.
Background technology
Slat conveyer machine is in a kind of rectangular cross section housing closing, and carries the continuous transport equipment of bulk material by means of moving flight chain.Slat conveyer is widely used in middle-size and small-size thermoelectric power station and coal plant, for the raw coal transportation of circulating fluidized bed boiler and boiling boiler.But the bunker coal used due to middle-size and small-size thermoelectric power station greatly and coal plant's thermoelectric plant is cement coal, will cause chute blockage phenomenon, particularly at the easy chute blockage in short circuit place of inlet point when bunker coal is moist a little because coal seam bonding; Meanwhile, because coal breakage amount is uneven, cannot regulate the amount of delivering coal, cause coal discrepancy amount uneven, result in blockage phenomenon, and cause the heavy losses such as disconnected coal, conveyer chain chain rupture, shutdown even further, hampering workshop normally runs, and has a strong impact on production efficiency; And dredge because chute blockage needs manually to pound storehouse, so also cause very large burden to shop worker, take larger labour power.How to solve the problem, become the difficult problem of pendulum in face of scientific research personnel.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the deficiencies in the prior art, provide a kind of adjustable freight volume, reliable, prevent chute blockage, chain cleavage from occurring, increase work efficiency, save labour power without blocking scraper feeder.
The technical solution adopted for the present invention to solve the technical problems is: this nothing blocking scraper feeder, comprise casing, driving device, head axle assembly, tail axle assembly, scraper chain and scraper plate, casing transverse horizontal is placed, head axle assembly and tail axle assembly are arranged on head and the afterbody of casing respectively, case head lower end is provided with tapping channel, casing afterbody upper end is provided with feeding-passage, driving device is arranged on the position near head axle assembly above casing, scraper chain is arranged on casing internal and drives scraper plate to carry out chain sprocket drive, it is characterized in that: described feeding-passage lower end and casing junction are provided with up-small and down-big funnel-form blanking port, parallelly immediately below blanking port be provided with supporting board, supporting board is between upper-lower scraper chain, the material that blanking port falls plane can form chevron accumulation on supporting board, supporting board side is provided with the freight volume control apparatus that can control mass transport amount, bunker coal keeps chevron above supporting board, better can control the operational throughput of scraper plate, achieve the proper flow of material preferably, and supporting board can ensure that upper and lower scraper chain does not interfere with each other in addition, decreases running resistance and the feed blocking of scraper chain,
Described freight volume control apparatus comprises wire tensioner, connecting rod, pointer, display disc, segmental valve and valve shaft, valve shaft crosses casing two sides and by bearings in casing, segmental valve is arranged on valve shaft, material transport channel is formed between segmental valve and supporting board, cabinet sides is stretched out in valve shaft one end, and valve shaft external part connects connecting rod top by nut, and top, connecting rod top is provided with pointer, pointer circumference is provided with display disc, and connecting rod lower end connects the fixing wire tensioner of level.Link rotatable can be made by adjustment wire tensioner, connecting rod drives valve shaft and segmental valve synchronous axial system, thus make the material transportation passage between segmental valve and supporting board become large or reduce, reach the object regulating freight volume, display disc one end is minimum scale, and one end is maximum scale, represents the size of material transportation passage, coordinate the sensing of pointer, the size grasping material transportation passage in casing can be known.
The described connecting rod left and right sides is equipped with can by link rotatable restriction limiting stopper within the specific limits.
Described scraper chain is two-row structure, article two, scraper chain is all wrapped on the sprocket wheel of head axle assembly and tail axle assembly, form sprocket wheel chain gear, multiple scraper plate is evenly arranged on scraper chain surface, keep 0.8-1.2 rice spacing between every two scraper plates, head axle assembly and tail axle assembly synchronously drive scraper chain and scraper plate to carry out transmission.
Described tail axle assembly side installation tensioner, tightening device comprises tensioning frame, adjustment screw rod and adjusting nut, tensioning frame is fixed on casing afterbody, adjustment screw rod totally two, the bearing of tensioning frame and casing junctor tailing axle assembly both sides is passed in one end, and the other end connects tensioning frame by adjusting nut.By rotating adjusting nut, adjustment screw rod can be made to pull the displacement of tail axle assembly, thus make scraper chain tensioning, prevent the generation fallen chain because scraper chain relaxes or jump chain phenomenon.
Described driving device comprises variable-frequency motor and planet-cycloid reducer, and variable-frequency motor connects planet-cycloid reducer, and the mouth of planet-cycloid reducer is connected by the sprocket wheel of roller chain with head axle assembly.According to the size of coal breakage amount, variable-frequency motor can be regulated, thus regulate scraper chain running speed, prevent the excessive and running speed chute blockage problem caused on the low side of coal breakage amount, or coal breakage amount is less than normal and problem that the excessive conveying efficiency caused of running speed is low.
Described casing adopts whole plate blanking welding production to form, and casing can bear the pressure of 0.034Mpa.Whole plate blanking welding ensure that the leak tightness of casing, ensures equipment operation under positive pressure, prevents coal from leaking outside.
Described casing top is provided with multiple inspection socket, inspection socket is separately positioned on the top of head axle assembly and tail axle assembly, be provided with cover plate above inspection socket, cover plate bottom is provided with the U-shaped seal groove of filled rubber sealing band, and cover plate is by rubber weather strip and inspection socket frame tight closure.The operating condition of head axle assembly and tail axle assembly can be checked at any time by inspection socket, get rid of hidden danger at any time, and rubber weather strip the water-proofness that can ensure inspection socket is set, improve equipment water resistance, anti-sealing flows into casing internal from inspection socket and causes that bunker coal is moist, bonding.
Compared with prior art, the beneficial effect that this nothing blocking scraper feeder has is:
1, supporting board and freight volume control apparatus are set, reliable, prevent chute blockage: up-small and down-big funnel-form blanking port is set in feeding-passage lower end, parallelly immediately below blanking port be provided with supporting board, supporting board height and position is between upper-lower scraper chain, supporting board side is provided with the freight volume control apparatus that can control mass transport amount, the materials such as the coal combustion that blanking port falls plane can form chevron accumulation on supporting board, scraper plate is through coal combustion, the coal combustion at chevron top is blown off, scraper plate stressed evenly, better can control the operational throughput of scraper plate, achieve the proper flow of material preferably, simultaneously, because supporting board can ensure that upper and lower scraper chain does not interfere with each other, decrease running resistance and the feed blocking of scraper chain, by adjustment freight volume control apparatus, the size of the material transportation passage between segmental valve and supporting board can also be controlled, reach the object regulating freight volume, freight volume is tuned up when coal breakage amount, reduce freight volume when coal breakage amount is few, stop chute blockage phenomenon and occur, safe and reliable to operation.
2, reliable operation, prevent the phenomenons such as disconnected coal, chain rupture, shutdown: occur owing to effectively preventing chute blockage phenomenon; so stop the phenomenon resolving coal, scraper chain chain rupture, shutdown; ensure that workshop is normally run; improve and affect production efficiency; and avoid utilizing the situation of manually going on and going and pounding storehouse dredging, decrease labour power.
3, tightening device is set, can regularly adjust scraper chain degree of tension: tail axle assembly side installation tensioner, tightening device comprises tensioning frame, adjustment screw rod and adjusting nut, by rotating adjusting nut, adjustment screw rod can be made to pull the displacement of tail axle assembly, thus make scraper chain tensioning, prevent the generation fallen chain because scraper chain relaxes or jump chain phenomenon, tightening device can be used for periodical maintenance, adjustment scraper chain degree of tension.
4, driving device adopts variable-frequency motor and planet-cycloid reducer, adjustable speed: can according to the size of coal breakage amount, variable-frequency motor is regulated, thus regulate scraper chain running speed, prevent the excessive and running speed chute blockage problem caused on the low side of coal breakage amount, or coal breakage amount is less than normal and the problem that the excessive conveying efficiency caused of running speed is low, is not only conducive to preventing chute blockage, and more save electric power resource, meet the policy of national energy-saving consumption reduction.
5, adopt closed type casing, prevent from revealing: casing adopts whole plate blanking welding production to form, whole plate blanking welding ensure that the leak tightness of casing, meanwhile, casing can bear the pressure of 0.034Mpa, ensures the operation under positive pressure in casing, prevent coal from leaking outside, improve resource utilization.
6, casing top is provided with multiple inspection socket, be convenient to plant maintenance, improve leak tightness: the top that inspection socket is separately positioned on head axle assembly and tail axle assembly arranges inspection socket, the operating condition of head axle assembly and tail axle assembly can be checked at any time by inspection socket, be convenient to plant maintenance, between inspection socket and upper cover plate, rubber weather strip is set, the water-proofness of inspection socket can be ensured, improve equipment water resistance.
Accompanying drawing explanation
Fig. 1 is the structural front view of this nothing blocking scraper feeder.
Fig. 2 is the structure birds-eye view of this nothing blocking scraper feeder.
Fig. 3 is the close-up schematic view of the part A of Fig. 1.
Wherein: 1, casing 2, driving device 21, variable-frequency motor 22, planet-cycloid reducer 3, head axle assembly 4, tail axle assembly 5, freight volume control apparatus 51, wire tensioner 52, connecting rod 53, pointer 54, display disc 55, segmental valve 56, valve shaft 57, limiting stopper 6, scraper chain 7, scraper plate 8, tapping channel 9, feeding-passage 10, blanking port 11, supporting board 12, tensioning frame 13, adjustment screw rod 14, adjusting nut 15, inspection socket.
Detailed description of the invention
Fig. 1 ~ 3 are most preferred embodiments of the present invention, and below in conjunction with accompanying drawing 1 ~ 3, the present invention will be further described.
With reference to accompanying drawing 1-3: without blocking scraper feeder, comprise casing 1, driving device 2, head axle assembly 3, tail axle assembly 4, scraper chain 6 and scraper plate 7.Casing 1 transverse horizontal is placed, lower end is supported by feet side by side, casing 1 adopts whole plate blanking welding production to form, casing 1 can bear the pressure of 0.034Mpa, casing 1 width is not less than 600 × 600mm, thus ensure the enough Flow of Goods and Materials in space of feed bin and feeder feeding mouth, thus avoid tiny material and produce fluffy storehouse phenomenon.Casing 1 top is provided with multiple inspection socket 15, inspection socket 15 is separately positioned on the top of head axle assembly 3 and tail axle assembly 4, be provided with cover plate above inspection socket 15, cover plate bottom is provided with the U-shaped seal groove of filled rubber sealing band, and cover plate is by rubber weather strip and inspection socket 15 frame tight closure.
Head axle assembly 3 and tail axle assembly 4 are arranged on head and the afterbody of casing 1 respectively, the casing 1 end installation tensioner of tail axle assembly 4 side, tightening device comprises tensioning frame 12, adjustment screw rod 13 and adjusting nut 14, tensioning frame 12 is fixed on casing 1 afterbody, adjustment screw rod 13 totally two, the bearing of tensioning frame 12 and casing 1 junctor tailing axle assembly 4 both sides is passed in one end, and the other end connects tensioning frame 12 by adjusting nut 14, and tightening device adjustable extent is 0-200mm.
Casing 1 head lower end is provided with tapping channel 8, casing 1 afterbody upper end is provided with feeding-passage 9, driving device 2 is arranged on the position near head axle assembly 3 above casing 1, driving device 2 comprises variable-frequency motor 21 and planet-cycloid reducer 22, variable-frequency motor 21 connects planet-cycloid reducer 22, the mouth of planet-cycloid reducer 22 is connected by the sprocket wheel of roller chain with head axle assembly 3, and driving device 2 can drive head axle assembly 3 to rotate.It is inner that scraper chain 6 is arranged on casing 1, scraper chain 6 is two-row structure, article two, scraper chain 6 is all wrapped on the sprocket wheel of head axle assembly 3 and tail axle assembly 4, and head axle assembly 3 and tail axle assembly 4 synchronously drive scraper chain 6 and scraper plate 7 to carry out transmission, form sprocket wheel chain gear.Multiple scraper plate 7 is evenly arranged on scraper chain 6 surface, and each scraper plate 7 interchangeability is high, can maintain easily and change, and the design chain speed of scraper chain 6 is 0.05 meter per second, and the maximum transport capacity of scraper chain 6 and scraper plate 7 is 20 tons/hour.
Feeding-passage 9 lower end and casing 1 junction are provided with up-small and down-big funnel-form blanking port 10, blanking port 10 is highly 200mm, parallelly immediately below blanking port 10 be provided with supporting board 11, supporting board 11 is steel plate material, supporting board 11 height and position is between upper-lower scraper chain 6, the material that blanking port 10 falls plane can form chevron accumulation on supporting board 11, and supporting board 11 side is provided with the freight volume control apparatus 5 that can control mass transport amount.Freight volume control apparatus 5 comprises wire tensioner 51, connecting rod 52, pointer 53, display disc 54, segmental valve 55 and valve shaft 56, valve shaft 56 crosses casing 1 two sides and by bearings in casing 1, segmental valve 55 is arranged on valve shaft 56, material transport channel is formed between segmental valve 55 and supporting board 11, casing 1 side is stretched out in valve shaft 56 one end, valve shaft 56 external part connects connecting rod 52 top by nut, top, connecting rod 52 top is provided with pointer 53, pointer 53 circumference is provided with display disc 54, connecting rod 52 lower end connects the fixing wire tensioner 51 of level, connecting rod 52 left and right sides is equipped with can by connecting rod 52 limit rotation limiting stopper 57 within the specific limits.
If when this nothing blocking scraper feeder is for the operating mode higher to wear-resisting requirement, the upper plane of inner for casing 1 four sides or casing 1 base plate can be carried out the process improving resistance to abrasion, such as wear-resisting lining porcelain process, namely carries out the process of inner liner abrasive resistant alumina ceramic plate, or the process of liner heap welding plate.
Supporting board 11 also can adopt wear-resisting steel plate, protecting against shock such as heap welding plate or wear-resistant composite board etc., anti abrasive material to make.
Principle of work is as follows: during work, start variable-frequency motor 21, and according to coal breakage amount size, variable-frequency motor 21 is adjusted to appropriate speed, variable-frequency motor 21 drives planet-cycloid reducer 22 to work, planet-cycloid reducer 22 is rotated by sprocket wheel chain belt motivation head axle assembly 3, head axle assembly 3, scraper chain 6, scraper plate 7 and tail axle assembly 4 synchronous axial system; Meanwhile, coal combustion is fallen in casing 1 by feeding-passage 9 and blanking port 10, and the coal combustion fallen is accumulated to above supporting board 11.Be positioned at scraper plate 7 Forward drive of top scraper chain 6, the coal combustion of accumulation is scraped from supporting board 11 and drops down onto bottom casing 1, now, the bunker coal fallen blows off by the scraper plate 7 being positioned at below scraper chain 6, until be transported to the tapping channel 8 of casing 1 front portion, bunker coal is discharged from tapping channel 8, the transmission that so circulates, scraper, until whole feed work completes.
If coal breakage amount increases or reduces, the size of material transportation passage in casing 1 can be adjusted by turning wire tensioner 51, adjustment working process is, wire tensioner 51 pulls connecting rod 52 one end, connecting rod 52 is rotated, connecting rod 52 drives valve shaft 56 and segmental valve 55 synchronous axial system, thus make the material transportation passage between segmental valve 55 and supporting board 11 become large or reduce, reach the object regulating freight volume, pointer 53 can point to the corresponding scale of display disc 54, intuitively can grasp the size of material transportation passage.
The above is only preferred embodiment of the present invention, and be not restriction the present invention being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equivalent variations.But everyly do not depart from technical solution of the present invention content, any simple modification, equivalent variations and the remodeling done above embodiment according to technical spirit of the present invention, still belong to the protection domain of technical solution of the present invention.
Claims (7)
1. without blocking scraper feeder, comprise casing (1), driving device (2), head axle assembly (3), tail axle assembly (4), scraper chain (6) and scraper plate (7), casing (1) transverse horizontal is placed, head axle assembly (3) and tail axle assembly (4) are arranged on head and the afterbody of casing (1) respectively, casing (1) head lower end is provided with tapping channel (8), casing (1) afterbody upper end is provided with feeding-passage (9), driving device (2) is arranged on casing (1) top near the position of head axle assembly (3), scraper chain (6) is arranged on casing (1) inside and drives scraper plate (7) to carry out chain sprocket drive, it is characterized in that: described feeding-passage (9) lower end and casing (1) junction are provided with up-small and down-big funnel-form blanking port (10), parallelly immediately below blanking port (10) be provided with supporting board (11), supporting board (11) is positioned between upper-lower scraper chain (6), the material that blanking port (10) falls can form chevron in the upper plane of supporting board (11) and pile up, supporting board (11) side is provided with the freight volume control apparatus (5) that can control mass transport amount,
Described freight volume control apparatus (5) comprises wire tensioner (51), connecting rod (52), pointer (53), display disc (54), segmental valve (55) and valve shaft (56), valve shaft (56) crosses casing (1) two sides and by bearings in casing (1), segmental valve (55) is arranged on valve shaft (56), material transport channel is formed between segmental valve (55) and supporting board (11), casing (1) side is stretched out in valve shaft (56) one end, valve shaft (56) external part connects connecting rod (52) top by nut, connecting rod (52) top, top is provided with pointer (53), pointer (53) circumference is provided with display disc (54), connecting rod (52) lower end connects the fixing wire tensioner (51) of level.
2. according to claim 1 without blocking scraper feeder, it is characterized in that: described connecting rod (52) left and right sides is equipped with can by connecting rod (52) limit rotation limiting stopper within the specific limits (57).
3. according to claim 1 without blocking scraper feeder, it is characterized in that: described scraper chain (6) is two-row structure, article two, scraper chain (6) is all wrapped on the sprocket wheel of head axle assembly (3) and tail axle assembly (4), form sprocket wheel chain gear, multiple scraper plate (7) is evenly arranged on scraper chain (6) surface, keep 0.8-1.2 rice spacing between every two scraper plates (7), head axle assembly (3) and tail axle assembly (4) synchronously drive scraper chain (6) and scraper plate (7) to carry out transmission.
4. the nothing blocking scraper feeder according to claim 1 or 3, it is characterized in that: described tail axle assembly (4) side installation tensioner, tightening device comprises tensioning frame (12), adjustment screw rod (13) and adjusting nut (14), tensioning frame (12) is fixed on casing (1) afterbody, adjustment screw rod (13) totally two, the bearing of tensioning frame (12) and casing (1) junctor tailing axle assembly (4) both sides is passed in one end, and the other end connects tensioning frame (12) by adjusting nut (14).
5. according to claim 1 without blocking scraper feeder, it is characterized in that: described driving device (2) comprises variable-frequency motor (21) and planet-cycloid reducer (22), variable-frequency motor (21) connects planet-cycloid reducer (22), and the mouth of planet-cycloid reducer (22) is connected by the sprocket wheel of roller chain with head axle assembly (3).
6. according to claim 1 without blocking scraper feeder, it is characterized in that: described casing (1) adopts whole plate blanking welding production to form, and casing (1) can bear the pressure of 0.034Mpa.
7. the nothing blocking scraper feeder according to claim 1 or 6, it is characterized in that: described casing (1) top is provided with multiple inspection socket (15), inspection socket (15) is separately positioned on the top of head axle assembly (3) and tail axle assembly (4), inspection socket (15) top is provided with cover plate, cover plate bottom is provided with the U-shaped seal groove of filled rubber sealing band, and cover plate is by rubber weather strip and inspection socket (15) frame tight closure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310453373.XA CN103466263B (en) | 2013-09-29 | 2013-09-29 | without blocking scraper feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310453373.XA CN103466263B (en) | 2013-09-29 | 2013-09-29 | without blocking scraper feeder |
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| Publication Number | Publication Date |
|---|---|
| CN103466263A CN103466263A (en) | 2013-12-25 |
| CN103466263B true CN103466263B (en) | 2015-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310453373.XA Active CN103466263B (en) | 2013-09-29 | 2013-09-29 | without blocking scraper feeder |
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| CN (1) | CN103466263B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103879715A (en) * | 2014-04-02 | 2014-06-25 | 广西玉柴机器股份有限公司 | Dust conveyor of dust remover |
| CN106315127A (en) * | 2016-09-12 | 2017-01-11 | 周杰 | Ring chain control device of scraper blade conveyer |
| CN113602742B (en) * | 2021-09-01 | 2022-10-21 | 东台市良友机械有限公司 | Sealed environment-friendly powder pipe chain conveyor |
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| SU1253900A1 (en) * | 1985-04-01 | 1986-08-30 | Всесоюзный научно-исследовательский и проектно-конструкторский институт подъемно-транспортного машиностроения | Flight conveyer |
| DE19858274A1 (en) * | 1997-12-23 | 1999-07-08 | Rag Ag | Chain scraper conveyor e.g. for coal |
| CN201224610Y (en) * | 2008-06-20 | 2009-04-22 | 唐山天和科技开发有限公司 | Enclosed type scraper conveyor for viscous and damp material |
| CN203020928U (en) * | 2013-01-05 | 2013-06-26 | 江西华农恒青农牧有限公司 | Scraper conveyer flow adjusting device |
| CN203544936U (en) * | 2013-09-29 | 2014-04-16 | 山东先河悦新机电股份有限公司 | Non-clogging scraper plate feeding machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007308282A (en) * | 2006-05-19 | 2007-11-29 | Tsubakimoto Bulk Systems Corp | Remaining conveyed material return device for flow conveyor |
| JP2009143720A (en) * | 2007-12-18 | 2009-07-02 | Tsubakimoto Bulk Systems Corp | Flow conveyor with chain uplifting preventing mechanism |
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- 2013-09-29 CN CN201310453373.XA patent/CN103466263B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1253900A1 (en) * | 1985-04-01 | 1986-08-30 | Всесоюзный научно-исследовательский и проектно-конструкторский институт подъемно-транспортного машиностроения | Flight conveyer |
| DE19858274A1 (en) * | 1997-12-23 | 1999-07-08 | Rag Ag | Chain scraper conveyor e.g. for coal |
| CN201224610Y (en) * | 2008-06-20 | 2009-04-22 | 唐山天和科技开发有限公司 | Enclosed type scraper conveyor for viscous and damp material |
| CN203020928U (en) * | 2013-01-05 | 2013-06-26 | 江西华农恒青农牧有限公司 | Scraper conveyer flow adjusting device |
| CN203544936U (en) * | 2013-09-29 | 2014-04-16 | 山东先河悦新机电股份有限公司 | Non-clogging scraper plate feeding machine |
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| CN103466263A (en) | 2013-12-25 |
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