CN203006182U - Rotation type coal material dredger - Google Patents
Rotation type coal material dredger Download PDFInfo
- Publication number
- CN203006182U CN203006182U CN 201220749938 CN201220749938U CN203006182U CN 203006182 U CN203006182 U CN 203006182U CN 201220749938 CN201220749938 CN 201220749938 CN 201220749938 U CN201220749938 U CN 201220749938U CN 203006182 U CN203006182 U CN 203006182U
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- Prior art keywords
- hopper
- coal
- flange
- revolving
- external tooth
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Abstract
The utility model relates to a rotation type coal material dredger. The rotation type coal material dredger comprises a coal material hopper, a supporting frame, a reducer and a controller, wherein the side wall of the coal material hopper is fixedly connected with the supporting frame, the reducer is arranged on the supporting frame, and the output end of the reducer is connected with a transmission device; the input end of the reducer is connected with the controller, the coal material hopper is divided into a feeding hopper, a rotating hopper and a discharging hopper, and the side walls of the feeding hopper and the discharging hopper are respectively fixedly connected with the supporting frame; and the feeding hopper and the rotating hopper as well as the rotating hopper and the discharging hopper are sealed by sealing rings, the transmission device is connected with the rotating hopper and can drive the rotating hopper to rotate, and the inner wall of the rotating hopper is provided with a scraper blade. A part in the middle of the hopper and easy to block can be used for driving the rotating hopper through the transmission device, so that the rotating hopper continuously rotates when being blocked, a blocking condition is eliminated, and after the blocking is eliminated, the controller controls the reducer to stop operating, and the reducer is placed in a servo state again.
Description
Technical field
The utility model relates to a kind of coal charge dredge, is specifically related to a kind of rotary coal charge dredge.
Background technology
storage warehouse for the raw coal granulate material, the material bin blanking section of multiplex taper or hyperbolic surface structure, the kinematic theoretical surface of granule, for dried particle, the satisfied feed bin opening of not tying confession is at least 4 times of particle characteristic size, although present coal bunker is considered blocking factor and is prevented when design as far as possible, but because the place of production of material is different, impurity content is different, viscosity is also different, the moist easily bonding of material during rainy season in addition, winter, cold material easily freezed, particularly along with the increase of moisture in material, the agglomeration of material sharply increases, in the process that material flows downward in warehouse, cross sectional dimensions minimizing due to the taper warehouse, its squeese pressure that is subject to bulkhead is increasing, original loose particle is extruded reunion, it is very large that characteristic dimension becomes, when the characteristic dimension of conglomeration reaches certain critical value, obstruction will occur.
Especially use at present the run coal bin in the configuration of large-size thermal power plant unit pulverized-coal system, in case occur to stop up when coal charge descends in the storehouse, generator set will be forced to promptly fall the removal of load of exerting oneself, the boiler combustion shakiness occurs and cause a large amount of throwing oil, more serious meeting causes boiler extinguishment, the unplanned stoppage in transit of unit.
At present, when run coal bin occurs to stop up, generally use air bubble, rapping machine bores the formula dredge.And the power consumption of air bubble and rapping machine is large, and noise is large, and active area is little, and a general run coal bin need to be joined 6～10 these machines, could remove obstruction by actv..And bore formula dredge length consuming time, and active area is little, and efficient is low.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of rotary coal charge dredge, overcomes dredging tools noise of the prior art large, and active area is little, the defective of length consuming time.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of rotary coal charge dredge, comprise coal hopper, bracing frame, reductor and controller, and described coal hopper upper end is the coal charge entrance, described coal hopper lower end is the coal charge outlet; The sidewall of described coal hopper is captiveed joint with support frame as described above; Described reductor is arranged on bracing frame, and its mouth is connected with driving device; The input end of described reductor is connected with described controller,
Described coal hopper is divided into elevating hopper, revolving hopper and hopper, and the sidewall of described elevating hopper and hopper is all captiveed joint with bracing frame; Described driving device connects described revolving hopper, drives described revolving hopper rotation, and the inwall of described revolving hopper is provided with scraper plate.
The beneficial effects of the utility model are: make because coal hopper is divided into three sections, and the middle part that the most easily occurs to stop up is connected with driving device.By the disconnected coal charge signal control reductor work that controller receives, reductor drive transmission and then driven rotary coal hopper are constantly rotated, and can realize eliminating fast stopping up, and noise are little, active area reaches greatly end consuming time, efficient is high.
On the basis of technique scheme, the utility model can also be done following improvement.
Further, described driving device is the external tooth turntable bearing, and the mouth of described reductor is provided with the reductor output gear; Described revolving hopper is installed with the first flange outward; Described external tooth turntable bearing inner ring is fixed on external tooth turntable shaft bearing, on the bearing support that described external tooth turntable shaft bearing is fixed on bracing frame is connected; Described the first flange is captiveed joint with the outer ring of described external tooth turntable bearing; Described reductor output gear and the engagement of described external tooth turntable bearing.
Further, correspondingly respectively between described elevating hopper and revolving hopper and revolving hopper and hopper seal by upper seal ring and lower seal.
Further, on the excircle of described revolving hopper upper end, the second flange is installed, the upper plane of described the second flange is concordant with described revolving hopper upper surface; Described upper seal ring is arranged on described the second flange, by the first bolt press seal.
Adopt further beneficial effect to be: to work as ring wear, when causing the gap to become large, can adopt bolt to regulate further press seal circle, reduce the gap to reach, play the purpose of sealing.
Further, on the excircle of described revolving hopper lower end, the three-flange dish is installed; Described lower seal is by the lower surface press seal of the second bolt and described three-flange dish.
Adopt further beneficial effect to be: to work as ring wear, when causing the gap to become large, can adopt bolt to regulate further press seal circle, reduce the gap to reach, play the purpose of sealing.
Description of drawings
Fig. 1 is a kind of rotary coal charge dredge structural representation of the utility model;
Fig. 2 is the local enlarged diagram of a kind of rotary coal charge dredge of the utility model;
Fig. 3 is the upper seal ring mounting structure schematic diagram of a kind of rotary coal charge dredge of the utility model;
Fig. 4 is the lower seal mounting structure schematic diagram of a kind of rotary coal charge dredge of the utility model.
In accompanying drawing, the list of parts of each label representative is as follows:
1, coal hopper, 101, elevating hopper, 102, revolving hopper, 103, hopper, 2, bracing frame, 3, driving device, 301, the inner ring of external tooth turntable bearing, 302, the outer ring of external tooth turntable bearing, 4, reductor, 5, controller, 6, seal ring, 601, upper seal ring, 602, lower seal, 7, bearing support, 8, external tooth turntable shaft bearing, 9, the first flange, 10, the reductor output gear, the 11, the 3rd bolt, 12, the first bolt, 13, the second bolt, the 14, second flange, 15, the three-flange dish.
The specific embodiment
Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example only is used for explaining the utility model, is not be used to limiting scope of the present utility model.
As shown in Figure 1, a kind of rotary coal charge dredge comprises coal hopper 1, bracing frame 2, reductor 4 and controller 5, and described coal hopper 1 upper end is the coal charge entrance, and described coal hopper 1 lower end is the coal charge outlet; Being fixed on support frame as described above 2 of described coal hopper 1; Described reductor 4 is arranged on bracing frame 2, and its mouth is connected with driving device 3; The input end of described reductor 4 is connected with described controller 5,
Described coal hopper 1 is divided into elevating hopper 101, revolving hopper 102 and hopper 103, and the sidewall of described elevating hopper 101 and hopper 103 is all captiveed joint with bracing frame 2; The described driving device 3 described revolving hoppers 102 of captive joint drive described revolving hopper 102 rotations, and the inwall of described revolving hopper 102 is provided with scraper plate.Wherein the upper end of elevating hopper 101 is connected with run coal bin, and hopper 103 is connected with feeder.
Described driving device 3 is the external tooth turntable bearing, and the mouth of described reductor 4 is provided with reductor output gear 10; Outer first flange 9 that is installed with of described revolving hopper 102; The inner ring 301 of described external tooth turntable bearing is fixed on external tooth turntable shaft bearing 8, and described external tooth turntable shaft bearing 8 is fixed on the bearing support 7 that is connected with bracing frame 2; Described the first flange 9 is captiveed joint with the outer ring 302 of described external tooth turntable bearing, and it can select by the 3rd bolt 11 fixing; Described reductor output gear 10 and described external tooth turntable bearing engagement.
All seal by seal ring 6 between described elevating hopper 101 and revolving hopper 102 and revolving hopper 102 and hopper 103.Described seal ring comprises seal ring 601 and lower seal 602.
The second flange 14 is installed on the excircle on described revolving hopper top, and the upper plane of described the second flange 14 is concordant with the upper surface of described revolving hopper; Described upper seal ring 601 is arranged on the upper surface of described the second flange 14, by the first bolt 12 press seals; The first bolt 12 can pass the tapped bore of the flange that is arranged on the elevating hopper bottom, by the first bolt 12 lower end press seal circles.
On the excircle of described revolving hopper 102 bottoms, the three-flange dish is installed, described lower seal 602 is arranged on the lower surface of described three-flange dish 15, the second bolt 13 can pass the tapped bore of the flange that is arranged on hopper top, by the second bolt 13 upper end press seals.In order to shorten the length of hopper, three-flange dish 15 can be arranged on the excircle of revolving hopper bottom of lower end certain distance of the described revolving hopper 102 of described distance, between described certain distance for placing the thickness of seal ring 6; The second bolt 13 can pass the tapped bore of the flange that is arranged on hopper top, by the upper end press seal circle of the second bolt 13.
Described driving device 3 connects described revolving hopper 102, drives described revolving hopper 102 rotations, and the inwall of described revolving hopper 102 is provided with scraper plate.The coal charge entrance of described elevating hopper 101 upper ends is connected with flange with coal bunker and is connected; The coal charge outlet of hopper 103 lower ends is connected with the feeder entrance.
Wherein said bracing frame comprises four vertical columns and the pipe link that is connected with column, described pipe link is captiveed joint with described column, described bearing support can and be fixed with described column for 4, and described external tooth turntable shaft bearing is fixed on described bearing support.The inner ring of external tooth turntable bearing is located at the outside of described rotation coal hopper, and captives joint with described external tooth turntable shaft bearing.
This apparatus structure is simple, and is easy to operate, and power consumption is few, and noise is little, and in-service time is fast, and efficient is high, and middle revolving hopper consists of an integral body with upper stationary hopper and lower stationary hopper by bracing frame, solid and convenient transportation the, installation.
Principle of work of the present utility model:
The rotation coal hopper of the rotary coal charge dredge of the utility model is in the position of whole hopper putty probability maximum, in the rotating process of revolving hopper, the scraper plate that is arranged in the revolving hopper inwall makes the stall spot that forms a gross area between coal and revolution bulkhead, coal charge can't form knot for the basis on the coal hopper inwall, just stop up can not occur.When rotary coal charge dredge is in servo mode and works, in case putty appears in feed bin inside, controller is according to the fracture signal control reductor work that receives, and then startup rotation coal hopper, generally will disappear fully with interior putty phenomenon at 2 minutes, reductor in rotary coal charge dredge can stop up the signal of eliminating according to coal charge and automatically quit work, and again is in servo condition.
In addition, when rotary coal charge dredge operation, rotation coal hopper materials inside mobile is mandatory bulk flow and flows, this mobile meeting changes the flow regime of whole coal hopper materials inside with the form of diffuse flow, making flows take center stream originally flows as main as main flow regime changes into take bulk flow, so just prevent that in coal hopper, flow dead appears in material near inwall, reduce greatly the chute blockage probability in coal hopper.
The above is only preferred embodiment of the present utility model, and is in order to limit the utility model, not all within spirit of the present utility model and principle, any modification of doing, is equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. a rotary coal charge dredge, comprise coal hopper, bracing frame, reductor and controller, and described coal hopper upper end is the coal charge entrance, and described coal hopper lower end is the coal charge outlet; The sidewall of described coal hopper is captiveed joint with support frame as described above; Described reductor is arranged on bracing frame, and its mouth is connected with driving device; The input end of described reductor is connected with described controller, it is characterized in that,
Described coal hopper is divided into elevating hopper, revolving hopper and hopper, and the sidewall of described elevating hopper and hopper is all captiveed joint with bracing frame; Described driving device connects described revolving hopper, drives described revolving hopper rotation; The inwall of described revolving hopper is provided with scraper plate.
2. a kind of rotary coal charge dredge according to claim 1, is characterized in that, described driving device is the external tooth turntable bearing, and the mouth of described reductor is provided with the reductor output gear; Described revolving hopper is installed with the first flange outward; The inner ring of described external tooth turntable bearing is captiveed joint with external tooth turntable shaft bearing; On the bearing support that described external tooth turntable shaft bearing is fixed on bracing frame is connected; Described the first flange is captiveed joint with the outer ring of described external tooth turntable bearing; Described reductor output gear and the engagement of described external tooth turntable bearing.
3. described a kind of rotary coal charge dredge according to claim 1 and 2, is characterized in that, correspondingly respectively between described elevating hopper and revolving hopper and revolving hopper and hopper seals by upper seal ring and lower seal.
4. a kind of rotary coal charge dredge according to claim 3, is characterized in that, on the excircle of described revolving hopper upper end, the second flange is installed, and the upper plane of described the second flange is concordant with described revolving hopper upper surface; Described upper seal ring is arranged on described the second flange, by the bolt press seal.
5. a kind of rotary coal charge dredge according to claim 3, is characterized in that, on the excircle of described revolving hopper lower end, the three-flange dish is installed; Described lower seal is by the lower surface press seal of bolt and described three-flange dish.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220749938 CN203006182U (en) | 2012-12-31 | 2012-12-31 | Rotation type coal material dredger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220749938 CN203006182U (en) | 2012-12-31 | 2012-12-31 | Rotation type coal material dredger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203006182U true CN203006182U (en) | 2013-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220749938 Expired - Fee Related CN203006182U (en) | 2012-12-31 | 2012-12-31 | Rotation type coal material dredger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203006182U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103303608A (en) * | 2013-06-28 | 2013-09-18 | 河南鸿宇工业装备工程有限公司 | Sealing device of coal bin unblocking machine |
| CN103895978A (en) * | 2014-04-10 | 2014-07-02 | 肖龙 | Tonnage-load bag filling equipment |
| CN108080115A (en) * | 2017-12-25 | 2018-05-29 | 李雨林 | A kind of anticlogging garbage disposer |
| CN108657657A (en) * | 2018-05-22 | 2018-10-16 | 李万奎 | A kind of coal charge dredge |
| CN110789750A (en) * | 2019-11-16 | 2020-02-14 | 耒阳市刘燕酿制生物科技有限公司 | Packing plant for freeze-dried food |
| CN112793936A (en) * | 2020-12-18 | 2021-05-14 | 柳州市汇方科技有限公司 | Graded rotating hopper |
-
2012
- 2012-12-31 CN CN 201220749938 patent/CN203006182U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103303608A (en) * | 2013-06-28 | 2013-09-18 | 河南鸿宇工业装备工程有限公司 | Sealing device of coal bin unblocking machine |
| CN103303608B (en) * | 2013-06-28 | 2015-05-20 | 河南鸿宇工业装备工程有限公司 | Sealing device of coal bin unblocking machine |
| CN103895978A (en) * | 2014-04-10 | 2014-07-02 | 肖龙 | Tonnage-load bag filling equipment |
| CN103895978B (en) * | 2014-04-10 | 2016-08-24 | 肖龙 | Tons of bagging equipment |
| CN108080115A (en) * | 2017-12-25 | 2018-05-29 | 李雨林 | A kind of anticlogging garbage disposer |
| CN108657657A (en) * | 2018-05-22 | 2018-10-16 | 李万奎 | A kind of coal charge dredge |
| CN110789750A (en) * | 2019-11-16 | 2020-02-14 | 耒阳市刘燕酿制生物科技有限公司 | Packing plant for freeze-dried food |
| CN112793936A (en) * | 2020-12-18 | 2021-05-14 | 柳州市汇方科技有限公司 | Graded rotating hopper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20141231 |
|
| EXPY | Termination of patent right or utility model |