CN203544936U - Non-clogging scraper plate feeding machine - Google Patents
Non-clogging scraper plate feeding machine Download PDFInfo
- Publication number
- CN203544936U CN203544936U CN201320605964.XU CN201320605964U CN203544936U CN 203544936 U CN203544936 U CN 203544936U CN 201320605964 U CN201320605964 U CN 201320605964U CN 203544936 U CN203544936 U CN 203544936U
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- casing
- scraper
- axle assembly
- chain
- scraper plate
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Abstract
The utility model relates to a non-clogging scraper plate feeding machine, which belongs to the field of an industrial transportation feeding machine. The non-clogging scraper plate feeding machine comprises a shell (1), a transmission device (2), a machine head shaft assembly (3), a machine tail shaft assembly (4), scraper plate chains (6) and a scraper plate (7), wherein the shell (1) is horizontally arranged in the transverse direction, the machine head shaft assembly (3) and the machine tail shaft assembly (4) are respectively installed on the head part and the tail part of the shell (1), and the non-clogging scraper plate feeding machine is characterized in that the junction of the lower end of a feeding passage (9) and the shell (1) is provided with a funnel-shaped blanking port (10) with a small upper part and a large lower part, a supporting plate (11) is arranged right below the blanking port (10) in parallel, the supporting plate (11) is arranged between an upper scraper plate chain (6) and a lower scraper plate chain (6), the material blanked from the blanking port (10) can be accumulated in a mountainous shape on an upper plane of the supporting plate (11), and one side of the supporting plate (11) is provided with a transport quantity adjusting device (5) capable of controlling the transport quantity of the material. By adopting the non-clogging scraper plate feeding machine, the transport quantity can be adjusted, reliability in running is realized, the coal clogging and chain breaking phenomenon can be avoided, the working efficiency can be improved, and the labor can be saved.
Description
Technical field
Without stopping up scraper feeder, belong to industrial transportation feed mechanical equipment field, be specifically related to a kind of scraper feeder for thermoelectric power station or coal plant.
Background technology
Slat conveyer machine is a kind of in the rectangular cross section housing of sealing, 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 because the bunker coal of middle-size and small-size thermoelectric power station greatly and the use of coal plant's thermoelectric plant is cement coal, will be because coal seam bonding cause chute blockage phenomenon, particularly at the easy chute blockage in the short circuit place of inlet point when bunker coal is moist a little; Meanwhile, because coal breakage amount is inhomogeneous, cannot regulate the amount of delivering coal, cause coal discrepancy amount inequality, the phenomenon that results in blockage, even further causes the heavy losses such as disconnected coal, conveyer chain chain rupture, shutdown, has hindered workshop normally to move, and has a strong impact on production efficiency; And need to manually pound storehouse and dredge due to chute blockage, so also cause very large burden to shop worker, take larger labour power.How to address the above problem, become the difficult problem of pendulum in face of scientific research personnel.
Utility model content
The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art, provide a kind of adjustable freight volume, reliable, prevent that chute blockage, chain rupture phenomenon from occurring, increase work efficiency, save labour power without stopping up scraper feeder.
The utility model solves the technical scheme that its technical matters adopts: this is without stopping up 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 respectively head and the afterbody of casing, casing head lower end is provided with tapping channel, casing afterbody upper end is provided with feeding-passage, driving device is arranged on the position of casing top near head axle assembly, scraper chain is arranged on casing inside 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, the parallel supporting board that is provided with under blanking port, supporting board is between upper-lower scraper chain, the material that blanking port falls can plane form chevron accumulation on supporting board, supporting board one side is provided with the freight volume control apparatus that can control mass transport amount, bunker coal keeps chevron above supporting board, can better control the operational throughput of scraper plate, has realized preferably the proper flow of material, and supporting board can guarantee that upper and lower scraper chain does not interfere with each other in addition, has reduced 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 cross casing two sides and by bearings in casing, segmental valve is arranged on valve shaft, between segmental valve and supporting board, form material transport channel, casing side 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, the wire tensioner that connection level in connecting rod lower end is fixing.By adjusting wire tensioner, can make connecting rod rotate, connecting rod drives valve shaft and segmental valve synchronously to rotate, thereby make the material transportation passage between segmental valve and supporting board become large or reduce, reach the object that regulates freight volume, display disc one end is minimum scale, and one end is maximum scale, has represented the size of material transportation passage, coordinate the sensing of pointer, can know the size of grasping material transportation passage in casing.
The described connecting rod left and right sides is equipped with can be by connecting rod limit rotation 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 plates are evenly arranged on scraper chain surface, between every two scraper plates, keep 0.8-1.2 rice spacing, head axle assembly and tail axle assembly synchronously drive scraper chain and scraper plate to carry out transmission.
Described tail axle assembly one side installation tensioner, tightening device comprises tensioning frame, adjusts screw rod and adjusting nut, tensioning frame is fixed on casing afterbody, adjust totally two of screw rods, one end is through the bearing of tensioning frame and casing junctor tailing axle assembly both sides, and the other end connects tensioning frame by adjusting nut.By rotation adjusting nut, can make to adjust screw rod and pull the displacement of tail axle assembly, thereby make scraper chain tensioning, the generation that prevents falling chain because scraper chain is lax 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 with the sprocket wheel of head axle assembly by roller chain.Can, according to the size of coal breakage amount, variable-frequency motor be regulated, thereby regulate scraper chain running speed, prevent the excessive and running speed chute blockage problem causing on the low side of coal breakage amount, or the less than normal and low problem of the excessive conveying efficiency causing of running speed of coal breakage amount.
Described casing adopts whole plate blanking welding production to form, and casing can bear the pressure of 0.034Mpa.Whole plate blanking welding has guaranteed the leak tightness of casing, guarantees equipment operation under positive pressure, prevents that coal from leaking outside.
Described casing top is provided with multiple inspection sockets, inspection socket is separately positioned on the top of head axle assembly and tail axle assembly, inspection socket top is provided with cover plate, and 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.By inspection socket, can check at any time the operating condition of head axle assembly and tail axle assembly, get rid of at any time hidden danger, and rubber weather strip the water-proofness that can guarantee inspection socket is set, improve equipment water resistance, anti-sealing flows into casing inside from inspection socket and causes bunker coal humidity, bonding.
Compared with prior art, this beneficial effect having without obstruction scraper feeder 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, the parallel supporting board that is provided with under blanking port, supporting board height and position is between upper-lower scraper chain, supporting board one 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 can plane form chevron accumulation on supporting board, during scraper plate process coal combustion, the coal combustion at chevron top is blown off, scraper plate stressed more even, can better control the operational throughput of scraper plate, realized preferably the proper flow of material, simultaneously, because supporting board can guarantee that upper and lower scraper chain does not interfere with each other, running resistance and the feed blocking of scraper chain have been reduced, by adjusting freight volume control apparatus, can also control the size of the material transportation passage between segmental valve and supporting board, reach the object that regulates freight volume, when coal breakage amount is many, tune up freight volume, when coal breakage amount is few, reduce freight volume, stop chute blockage phenomenon and occur, safe and reliable to operation.
2, reliable operation, prevent the phenomenons such as disconnected coal, chain rupture, shutdown: owing to effectively preventing that chute blockage phenomenon from occurring; so stop to resolve the phenomenon of coal, scraper chain chain rupture, shutdown; guaranteed that workshop normally moves; improve and affect production efficiency; and avoid utilizing the capable situation of pounding storehouse dredging of manually going on, reduced labour power.
3, tightening device is set, can regularly adjust scraper chain degree of tension: tail axle assembly one side installation tensioner, tightening device comprises tensioning frame, adjusts screw rod and adjusting nut, by rotation adjusting nut, can make to adjust screw rod and pull the displacement of tail axle assembly, thereby make scraper chain tensioning, the generation that prevents falling chain because scraper chain is lax or jump chain phenomenon, tightening device can be used for periodical maintenance, adjusts scraper chain degree of tension.
4, driving device adopts variable-frequency motor and planet-cycloid reducer, adjustable speed: can be according to the size of coal breakage amount, variable-frequency motor is regulated, thereby regulate scraper chain running speed, prevent the excessive and running speed chute blockage problem causing on the low side of coal breakage amount, or coal breakage amount is less than normal and the low problem of the excessive conveying efficiency causing of running speed is not only conducive to prevent 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 has guaranteed the leak tightness of casing, meanwhile, casing can bear the pressure of 0.034Mpa, guarantees the operation under positive pressure in casing, prevent that coal from leaking outside, improve resource utilization.
6, casing top is provided with multiple inspection sockets, 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, by inspection socket, can check at any time the operating condition of head axle assembly and tail axle assembly, be convenient to plant maintenance, between inspection socket and upper cover plate, rubber weather strip is set, can guarantees the water-proofness of inspection socket, improve equipment water resistance.
Accompanying drawing explanation
Fig. 1 is that this is without the structural front view of stopping up scraper feeder.
Fig. 2 is that this is without the structure birds-eye view that stops up scraper feeder.
Fig. 3 is the local enlarged diagram of the A part 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.
The specific embodiment
Fig. 1 ~ 3rd, most preferred embodiment of the present utility model, is described further below in conjunction with 1 ~ 3 pair of the utility model of accompanying drawing.
With reference to accompanying drawing 1-3: without stopping up 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, thereby guarantee the enough Flow of Goods and Materials in space of feed bin and feeder feeding mouth, thereby avoided tiny material to produce fluffy storehouse phenomenon.Casing 1 top is provided with multiple inspection sockets 15, inspection socket 15 is separately positioned on the top of head axle assembly 3 and tail axle assembly 4, inspection socket 15 tops are provided with cover plate, and 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 respectively head and the afterbody of casing 1, the casing 1 end installation tensioner of tail axle assembly 4 one sides, tightening device comprises tensioning frame 12, adjusts screw rod 13 and adjusting nut 14, tensioning frame 12 is fixed on casing 1 afterbody, adjust totally two of screw rods 13, one end is through the bearing of tensioning frame 12 and casing 1 junctor tailing axle assembly 4 both sides, 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 of casing 1 top near head axle assembly 3, 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 with the sprocket wheel of head axle assembly 3 by roller chain, and driving device 2 can drive head axle assembly 3 to rotate.Scraper chain 6 is arranged on casing 1 inside, 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 synchronous scraper chain 6 and the scraper plate 7 of driving of head axle assembly 3 and tail axle assembly 4 carries out transmission, forms sprocket wheel chain gear.Multiple scraper plates 7 are evenly arranged on scraper chain 6 surfaces, and each scraper plate 7 interchangeabilitys are 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 ends and casing 1 junction are provided with up-small and down-big funnel-form blanking port 10, blanking port 10 is highly 200mm, the parallel supporting board 11 that is provided with under blanking port 10, supporting board 11 is steel plate material, supporting board 11 height and positions are between upper-lower scraper chain 6, the material that blanking port 10 falls can plane form chevron accumulation on supporting board 11, and supporting board 11 1 sides are 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 cross casing 1 two sides and by bearings in casing 1, segmental valve 55 is arranged on valve shaft 56, between segmental valve 55 and supporting board 11, form material transport channel, casing 1 side is stretched out in valve shaft 56 one end, valve shaft 56 external parts connect connecting rod 52 tops by nut, connecting rod 52 tops, top are provided with pointer 53, pointer 53 circumference are provided with display disc 54, the fixing wire tensioner 51 of connecting rod 52 lower end connection level, connecting rod 52 left and right sides are equipped with can be by connecting rod 52 limit rotation limiting stopper 57 within the specific limits.
If this is without stopping up scraper feeder when to wear-resisting operating mode of having relatively high expectations, the processing that the upper plane of inner casing 1 four sides or casing 1 base plate can be improved to resistance to abrasion, for example wear-resisting lining porcelain processing, carries out the processing of inner liner abrasive resistant alumina ceramic plate, or the processing of liner heap welding plate.
Supporting board 11 also can adopt protecting against shock, the anti abrasive materials such as wear-resisting steel plate, heap welding plate or wear-resistant composite board 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 rotates by a sprocket wheel chain belt motivation axle assembly 3, and head axle assembly 3, scraper chain 6, scraper plate 7 and tail axle assembly 4 synchronously rotate; Meanwhile, coal combustion falls in casing 1 by feeding-passage 9 and blanking port 10, and the coal combustion falling is accumulated to supporting board 11 tops.Be positioned at the scraper plate 7 of top scraper chain 6 to driving front, the coal combustion of accumulation is scraped and drops down onto casing 1 bottom from supporting board 11, now, the scraper plate 7 that is positioned at below scraper chain 6 blows the bunker coal falling off, until be transported to the tapping channel 8 of casing 1 front portion, bunker coal is discharged from tapping channel 8, and the transmission that so circulates, scraper, until whole feed work completes.
If coal breakage amount increases or reduces, can adjust by turning wire tensioner 51 size of the interior material transportation passage of casing 1, 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 synchronously to rotate, thereby make the material transportation passage between segmental valve 55 and supporting board 11 become large or reduce, reach the object that regulates freight volume, pointer 53 can point to the corresponding scale of display disc 54, can intuitively grasp the size of material transportation passage.
The above, it is only preferred embodiment of the present utility model, be not the restriction of the utility model 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 embodiment of equivalent variations.But every technical solutions of the utility model content that do not depart from, any simple modification, equivalent variations and the remodeling above embodiment done according to technical spirit of the present utility model, still belong to the protection domain of technical solutions of the utility model.
Claims (7)
1. without stopping up 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 respectively head and the afterbody of casing (1), 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 of casing (1) top near 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), the parallel supporting board (11) that is provided with under blanking port (10), 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) one sides are 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) cross casing (1) two sides and by bearings in casing (1), segmental valve (55) is arranged on valve shaft (56), between segmental valve (55) and supporting board (11), form material transport channel, 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), the wire tensioner (51) that connecting rod (52) lower end connection level is fixing.
2. according to claim 1 without stopping up scraper feeder, it is characterized in that: described connecting rod (52) left and right sides is equipped with can be by connecting rod (52) limit rotation limiting stopper (57) within the specific limits.
3. according to claim 1 without stopping up 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 plates (7) are evenly arranged on scraper chain (6) surface, between every two scraper plates (7), keep 0.8-1.2 rice spacing, head axle assembly (3) and tail axle assembly (4) synchronously drive scraper chain (6) and scraper plate (7) to carry out transmission.
According to described in claim 1 or 3 without stop up scraper feeder, it is characterized in that: described tail axle assembly (4) one side installation tensioners, tightening device comprises tensioning frame (12), adjusts screw rod (13) and adjusting nut (14), tensioning frame (12) is fixed on casing (1) afterbody, adjust screw rod (13) totally two, one end is through the bearing of tensioning frame (12) and casing (1) junctor tailing axle assembly (4) both sides, and the other end connects tensioning frame (12) by adjusting nut (14).
5. according to claim 1 without stopping up 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 with the sprocket wheel of head axle assembly (3) by roller chain.
6. according to claim 1 without stopping up 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.
According to described in claim 1 or 6 without stop up scraper feeder, it is characterized in that: described casing (1) top is provided with multiple inspection sockets (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 |
|---|---|---|---|
| CN201320605964.XU CN203544936U (en) | 2013-09-29 | 2013-09-29 | Non-clogging scraper plate feeding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320605964.XU CN203544936U (en) | 2013-09-29 | 2013-09-29 | Non-clogging scraper plate feeding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203544936U true CN203544936U (en) | 2014-04-16 |
Family
ID=50463085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320605964.XU Withdrawn - After Issue CN203544936U (en) | 2013-09-29 | 2013-09-29 | Non-clogging scraper plate feeding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203544936U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103466263A (en) * | 2013-09-29 | 2013-12-25 | 山东先河悦新机电股份有限公司 | Non-clogging scraper feeder |
-
2013
- 2013-09-29 CN CN201320605964.XU patent/CN203544936U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103466263A (en) * | 2013-09-29 | 2013-12-25 | 山东先河悦新机电股份有限公司 | Non-clogging scraper feeder |
| CN103466263B (en) * | 2013-09-29 | 2015-09-30 | 山东先河悦新机电股份有限公司 | without blocking scraper feeder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140416 Effective date of abandoning: 20150930 |
|
| RGAV | Abandon patent right to avoid regrant |