CN112499512A - Coal feeding device for boiler - Google Patents
Coal feeding device for boiler Download PDFInfo
- Publication number
- CN112499512A CN112499512A CN202011470612.9A CN202011470612A CN112499512A CN 112499512 A CN112499512 A CN 112499512A CN 202011470612 A CN202011470612 A CN 202011470612A CN 112499512 A CN112499512 A CN 112499512A
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- CN
- China
- Prior art keywords
- pulley
- coal feeding
- coal
- car
- wire rope
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000003245 coal Substances 0.000 title claims abstract description 62
- 238000007599 discharging Methods 0.000 claims abstract description 37
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 36
- 239000010959 steel Substances 0.000 claims abstract description 36
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/02—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The invention discloses a coal feeding device for a boiler, wherein an upper pulley and a lower pulley are connected to the outer wall of a coal feeding car in a vertically layered rotating manner, the coal feeding car is connected to a coal feeding steel frame in a sliding manner through the upper pulley and the lower pulley, a take-up pulley is connected to the top end of the coal feeding steel frame in a rotating manner, a steel wire rope is wound on the take-up pulley, the tail end of the steel wire rope is connected with the coal feeding car, a first discharging rail and a second discharging rail are arranged on the coal feeding steel frame, the take-up pulley drives the coal feeding car to slide on the coal feeding steel frame, and after the upper pulley and the lower pulley respectively slide into the first discharging rail and the second discharging rail, the coal feeding car is turned over to realize. The invention has the advantages of simple structure, low manufacturing cost, low noise during operation, convenient structure manufacture and maintenance and good use effect.
Description
The technical field is as follows:
the invention relates to a coal feeding device for a boiler.
Background art:
the coal feeding of the existing boiler is generally in a chain and chain wheel type structure, the structure occupies large space, the manufacturing cost is high, the noise is large during operation, and the using effect is not good, so that the prior art is necessarily improved to overcome the defects in the prior art.
The invention content is as follows:
the invention provides a coal feeding device for a boiler, which aims to solve the problems in the prior art.
The technical scheme adopted by the invention is as follows: the utility model provides a coal feeding device for boiler, includes coal feeding steelframe, coal feeding car, top sheave, lower pulley, take-up pulley and wire rope, top sheave and lower pulley upper and lower layering rotate to be connected on the outer wall of coal feeding car, and the coal feeding car passes through top sheave and lower pulley sliding connection on coal feeding steelframe, and the take-up pulley rotates to be connected on the top of coal feeding steelframe, and wire rope winds and establishes on the take-up pulley, and wire rope's end links to each other with the coal feeding car, is equipped with first track of unloading and second track of unloading on coal feeding steelframe, and the take-up pulley drives the coal feeding car and slides on coal feeding steelframe, after top sheave and lower pulley should slide respectively to first track of unloading and second track of unloading, the coal feeding car is realized unloading by the upset.
Furthermore, the steel wire rope is connected with the coal feeding car through a trolley lifting lug, the trolley lifting lug comprises a lifting plate and lifting rods, the two lifting rods are vertically and fixedly connected to the lifting plate, and the bottom ends of the two lifting rods are rotatably connected to the outer wall of the coal feeding car.
Furthermore, the upper end face of the hanging plate is connected with a fixing block, and the steel wire rope is fixedly connected in the fixing block.
Further, the fixed block includes fixed plate, locking plate, eccentric cover and set nut, a side end face of fixed plate is equipped with cylinder and bellying, and eccentric cover is overlapped and is established on the cylinder, is equipped with the external screw thread face on the top outer wall of cylinder, and set nut threaded connection is in on the external screw thread face, set nut will eccentric cover be located on the cylinder, the end of wire rope bends and forms the link of U-shaped along the outer wall of eccentric cover, and the bottom surface of link is contradicted on the bellying, and the locking plate pressfitting is on the both ends edge of link, and the locking plate passes through bolt fixed connection on the fixed plate.
Further, a tooth surface is arranged on the outer surface of the eccentric sleeve, and a groove of the tooth surface is arranged along the axial direction of the eccentric sleeve.
Furthermore, the first discharging track and the second discharging track are both arc-shaped, the arc radius of the first discharging track is smaller than that of the second discharging track, the top end of the first discharging track is arranged below the top end of the second discharging track, and the bottom end of the first discharging track is arranged above the bottom end of the second discharging track.
The invention has the following beneficial effects:
the invention has the advantages of simple structure, low manufacturing cost, low noise during operation, convenient structure manufacture and maintenance and good use effect.
Description of the drawings:
fig. 1 and 2 are structural views of the present invention.
Fig. 3 is a structural diagram of a trolley lifting lug in the invention.
Fig. 4 is a structural view of a fixing block in the present invention.
The specific implementation mode is as follows:
the invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 to 4, the coal feeding device for the boiler of the present invention comprises a coal feeding steel frame 1, a coal feeding car 2, an upper pulley 31, a lower pulley 32, a take-up pulley 4 and a steel wire rope 7, wherein the upper pulley 31 and the lower pulley 32 are rotatably connected to the outer wall of the coal feeding car 2 in an up-down layered manner, the coal feeding car 2 is slidably connected to the coal feeding steel frame 1 through the upper pulley 31 and the lower pulley 32, the take-up pulley 4 is rotatably connected to the top end of the coal feeding steel frame 1, the steel wire rope 7 is wound around the take-up pulley 4, the tail end of the steel wire rope 7 is connected to the coal feeding car 2, the coal feeding steel frame 1 is provided with a first discharging rail 11 and a second discharging rail 12, the first discharging rail 11 and the second discharging rail 12 are both arc-shaped, the arc radius of the first discharging rail 11 is smaller than that of the second discharging rail 12, the top end of the first discharging rail 11 is arranged below the top end of the second discharging rail 12, and the bottom end of the first discharging rail 11 is arranged above the bottom end of the second discharging rail 12.
The take-up pulley 4 drives the coal feeding car 2 to slide on the coal feeding steel frame 1, and after the upper pulley 31 and the lower pulley 32 correspondingly slide into the first discharging rail 11 and the second discharging rail 12 respectively, the coal feeding car 2 is turned over to realize discharging.
The steel wire rope 7 is connected with the coal feeding car 2 through the trolley lifting lug 5, the trolley lifting lug 5 comprises a lifting plate 51 and lifting rods 52, the two lifting rods 52 are vertically and fixedly connected to the lifting plate 51, and the bottom ends of the two lifting rods 52 are rotatably connected to the outer wall of the coal feeding car 2.
In order to facilitate the connection between the steel wire rope 7 and the hanging plate 51, a fixing block 8 is connected to the upper end surface of the hanging plate 51, and the steel wire rope 7 is fixedly connected to the inside of the fixing block 8.
The fixing block 8 comprises a fixing plate 81, a locking plate 82, an eccentric sleeve 83 and a positioning nut 85, wherein a cylinder 84 and a convex part 86 are arranged on one side end face of the fixing plate 81, the eccentric sleeve 83 is sleeved on the cylinder 84, an external thread surface is arranged on the outer wall of the top end of the cylinder 84, the positioning nut 85 is in threaded connection with the external thread surface, the eccentric sleeve 83 is positioned on the cylinder 84 by the positioning nut 85, the tail end of a steel wire rope 7 is bent along the outer wall of the eccentric sleeve 83 to form a U-shaped connecting end 77, the bottom surface of the connecting end 77 is abutted against the convex part 86, the locking plate 82 is pressed on two end edges of the connecting end 77, and the locking plate 82 is fixedly connected to the fixing plate.
After the steel wire rope 7 is fixed, the steel wire rope can enable the eccentric sleeve 83 to slightly rotate along with the stress when the steel wire rope is lifted, and due to the eccentric structure of the eccentric sleeve 83, the steel wire rope can be tightly clamped between the eccentric sleeve 83 and the protruding part 86 through the eccentric sleeve 83.
In order to further ensure the locking force of the eccentric sleeve 83, a tooth surface is arranged on the outer surface of the eccentric sleeve 83, a groove of the tooth surface is arranged along the axial direction of the eccentric sleeve 83, and the tooth surface on the outer surface of the eccentric sleeve 83 can increase the friction force between the tooth surface and the steel wire rope, so that the steel wire rope can be locked better.
The foregoing is only a preferred embodiment of this invention and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the invention and these modifications should also be considered as the protection scope of the invention.
Claims (6)
1. A coal feeding device for a boiler is characterized in that: comprises an upper coal steel frame (1), an upper coal car (2), an upper pulley (31), a lower pulley (32), a take-up pulley (4) and a steel wire rope (7), wherein the upper pulley (31) and the lower pulley (32) are connected on the outer wall of the upper coal car (2) in a vertically layered rotating manner, the upper coal car (2) is connected on the upper coal steel frame (1) in a sliding manner through the upper pulley (31) and the lower pulley (32), the take-up pulley (4) is connected on the top end of the upper coal steel frame (1) in a rotating manner, the steel wire rope (7) is wound on the take-up pulley (4), the tail end of the steel wire rope (7) is connected with the upper coal car (2), a first discharging track (11) and a second discharging track (12) are arranged on the upper coal steel frame (1), the take-up pulley (4) drives the upper coal car (2) to slide on the upper coal steel frame (1), and the upper pulley (31) and the lower pulley (32) correspondingly slide to the first discharging track (11), the coal feeding car (2) is turned over to realize discharging.
2. The coal feeding apparatus for a boiler as set forth in claim 1, wherein: the steel wire rope (7) is connected with the coal feeding car (2) through a trolley lifting lug (5), the trolley lifting lug (5) comprises a lifting plate (51) and lifting rods (52), the two lifting rods (52) are vertically and fixedly connected to the lifting plate (51), and the bottom ends of the two lifting rods (52) are rotatably connected to the outer wall of the coal feeding car (2).
3. The coal feeding apparatus for a boiler as set forth in claim 2, wherein: the upper end face of the hanging plate (51) is connected with a fixing block (8), and the steel wire rope (7) is fixedly connected into the fixing block (8).
4. A coal feeding apparatus for a boiler as set forth in claim 3, wherein: fixed block (8) are including fixed plate (81), locking plate (82), eccentric cover (83) and set nut (85), a side end face of fixed plate (81) is equipped with cylinder (84) and bellying (86), and eccentric cover (83) cover is established on cylinder (84), is equipped with the external thread face on the top outer wall of cylinder (84), and set nut (85) threaded connection is in on the external thread face, set nut (85) are fixed a position eccentric cover (83) on cylinder (84), the end of wire rope (7) is bent and is formed link (77) of U-shaped along the outer wall of eccentric cover (83), and the bottom surface of link (77) is contradicted on bellying (86), and locking plate (82) pressfitting is on the both ends edge of link (77), and locking plate (82) pass through bolt fixed connection on fixed plate (81).
5. The coal feeding apparatus for a boiler as set forth in claim 4, wherein: the outer surface of the eccentric sleeve (83) is provided with a tooth surface, and a groove of the tooth surface is arranged along the axial direction of the eccentric sleeve (83).
6. The coal feeding apparatus for a boiler as set forth in claim 1, wherein: the first discharging track (11) and the second discharging track (12) are arc-shaped, the arc radius of the first discharging track (11) is smaller than that of the second discharging track (12), the top end of the first discharging track (11) is arranged below the top end of the second discharging track (12), and the bottom end of the first discharging track (11) is arranged above the bottom end of the second discharging track (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011470612.9A CN112499512A (en) | 2020-12-15 | 2020-12-15 | Coal feeding device for boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011470612.9A CN112499512A (en) | 2020-12-15 | 2020-12-15 | Coal feeding device for boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112499512A true CN112499512A (en) | 2021-03-16 |
Family
ID=74973107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011470612.9A Pending CN112499512A (en) | 2020-12-15 | 2020-12-15 | Coal feeding device for boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112499512A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB180861A (en) * | 1921-04-25 | 1922-06-08 | Ougree Marihaye Sa | Improvements in or relating to skips |
| GB351019A (en) * | 1930-03-19 | 1931-06-19 | Frederick Gilbert Mitchell | Improvements in or relating to apparatus for delivering coal or like material to bunkers and other receptacles associated with locomotive coaling plant |
| US4716630A (en) * | 1987-01-20 | 1988-01-05 | Skyba Helmut K | Cam lock with positive release |
| US6058575A (en) * | 1999-06-07 | 2000-05-09 | Dagan; Gideon | Cable clamp |
| US20050241117A1 (en) * | 2004-05-03 | 2005-11-03 | Skyba Helmut K | Open sided cam lock for ropes |
| CN202729679U (en) * | 2012-07-19 | 2013-02-13 | 中冶宝钢技术服务有限公司 | Rope head fastening device of crane steel wire rope |
| CN203833587U (en) * | 2014-05-23 | 2014-09-17 | 赵雪银 | Automatic discharging device |
| US20180290866A1 (en) * | 2015-10-05 | 2018-10-11 | Liebherr-Components Biberach Gmbh | Hoist drum and fiber rope drive having such a hoist drum |
| CN209009590U (en) * | 2018-10-25 | 2019-06-21 | 湖北荆玻海龙玻璃制品有限公司 | The raw material feeding apparatus of glassware production line |
| CN210973503U (en) * | 2019-11-29 | 2020-07-10 | 烟台市昆仑黄金设备有限公司 | Vertical shaft single rope turnover skip |
-
2020
- 2020-12-15 CN CN202011470612.9A patent/CN112499512A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB180861A (en) * | 1921-04-25 | 1922-06-08 | Ougree Marihaye Sa | Improvements in or relating to skips |
| GB351019A (en) * | 1930-03-19 | 1931-06-19 | Frederick Gilbert Mitchell | Improvements in or relating to apparatus for delivering coal or like material to bunkers and other receptacles associated with locomotive coaling plant |
| US4716630A (en) * | 1987-01-20 | 1988-01-05 | Skyba Helmut K | Cam lock with positive release |
| US6058575A (en) * | 1999-06-07 | 2000-05-09 | Dagan; Gideon | Cable clamp |
| US20050241117A1 (en) * | 2004-05-03 | 2005-11-03 | Skyba Helmut K | Open sided cam lock for ropes |
| CN202729679U (en) * | 2012-07-19 | 2013-02-13 | 中冶宝钢技术服务有限公司 | Rope head fastening device of crane steel wire rope |
| CN203833587U (en) * | 2014-05-23 | 2014-09-17 | 赵雪银 | Automatic discharging device |
| US20180290866A1 (en) * | 2015-10-05 | 2018-10-11 | Liebherr-Components Biberach Gmbh | Hoist drum and fiber rope drive having such a hoist drum |
| CN209009590U (en) * | 2018-10-25 | 2019-06-21 | 湖北荆玻海龙玻璃制品有限公司 | The raw material feeding apparatus of glassware production line |
| CN210973503U (en) * | 2019-11-29 | 2020-07-10 | 烟台市昆仑黄金设备有限公司 | Vertical shaft single rope turnover skip |
Non-Patent Citations (1)
| Title |
|---|
| 刘佩衡: "《塔式起重机驾驶》", 30 May 1988, 中国建筑工业出版社 * |
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