CN205981756U - A autogiration sampling device for coal as fired - Google Patents
A autogiration sampling device for coal as fired Download PDFInfo
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- CN205981756U CN205981756U CN201620783432.9U CN201620783432U CN205981756U CN 205981756 U CN205981756 U CN 205981756U CN 201620783432 U CN201620783432 U CN 201620783432U CN 205981756 U CN205981756 U CN 205981756U
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Abstract
The utility model discloses an autogiration sampling device for coal as fired who belongs to coal as fired sample devices scope. This autogiration sampling device comprises sample spoon, elastic sealing element, action bars, electric putter. Through locate to set up the sample spoon who has the cuboid recess at the coal breakage pipe, adopt electric putter to provide power, electric putter control push rod stroke to realize that the action bars drives sample spoon rotary motion, accomplish the automatic sampling to coal as fired, realize carrying out automatic accurate coal as fired sampling in that the coal breakage is intraductal, the sampling is even, and is representative strong. Owing to adopted electric putter for whole sampling structure is simple compact, small, novel in design, the precision is high, refers to for the stability that improves the automatic sampling work of coal as fired provides fine technique.
Description
Technical field
This utility model belongs to as-fired coal sample devicess scope, particularly to a kind of automatic rotation sampling for as-fired coal
Device.
Background technology
Net coal consumption rate is the major economic indicators of thermal power plant, and traditional net coal consumption rate of sending out calculates due to lacking to furnace coal weight
Effective metering, typically adopt back balance to calculate coal consumption, and the coal consumption calculated according to back balance can not possibly accurately reflect machine
The operation conditions of group and the business efficiency of full factory.For controlling cost of electricity-generating and truly reflecting coal consumption level, national regulation is necessary
Coal consumption is calculated using positive balance it is desirable to as-fired coal sampling is true reflects as-fired coal matter situation.Positive balance calculates coal consumption and relies primarily on
Generated energy, belt scale metering coal weight, as-fired coal sampling chemical examination calorific value are tried to achieve jointly.Generation current amount is read by ammeter, and precision is very
High；Belt scale metering coal weight error is also in allowable range.
Adopting mechanical sampling device existing as-fired coal sampling apparatuses, sampling apparatuses are located in the middle part of conveyer belt, in belt fortune more
Periodically coal is scraped by belt by sampling head in row, enter division equipment, unnecessary coal sample carries back conveyer belt by bucket elevator.But adopt
Sample head depth degree is wayward, too deep can damage belt, excessively shallow, sample under-represented, particularly CFB unit, broken through sieving
After system, coal is piled up in conveyer belt higher slice, and ature of coal levels difference is larger.And traditional mechanical sampling apparatuses to there is also structure stupid
The problem of weight.
For specific aim solve the problems, such as as-fired coal sampling and metering device, the utility model proposes one kind new enter stove
Coal rotates sampling apparatuses automatically, has the sample spoon of cuboid groove by setting at coal spout, is provided using electric pushrod
Power, realizes carrying out automatically accurately as-fired coal sampling in coal spout, and sampling is uniformly, representative strong.Electronic due to employing
Push rod is so that whole-sample is simple and compact for structure.
Utility model content
The purpose of this utility model be in prior art after Screening and crushing system coal conveyer belt higher slice pile up, coal
Matter levels difference is larger.And traditional mechanical sampling apparatuses there is also the problem of structure bulky and provide a kind of for as-fired coal
Automatically rotation sampling apparatuses are it is characterised in that the automatic rotation sampling apparatuses of this as-fired coal are by coal spout 1, sample spoon 2, sampling
Feed bin 3, elastic sealing element 4, sealing plate 5, perforate boss 7, case 8, wear-resisting protecting block 9, end cap 13, action bars 14, push rod transmission
Mechanism 15, bearing base 16, left and right bearing, packing seal assembly 18 form；Wherein, material taking mouth, sampling material are opened in coal spout 1 side
While being fixed on the opened material taking mouth lower end outer wall side of coal spout 1 by bolt 6, case 8 is fixed on by the second bolt 6-2 in storehouse 3
Coal spout 1 opened material taking mouth upper end outer wall side；Sampling feed bin 3 another side, case 8 another side pass through the first bolt 6-1 and connect；Resistance to
Mill protecting block 9 is fixed on coal spout 1 opened material taking mouth upper end inwall side by the 3rd bolt 6-3；Sealing plate 5 is located at sample spoon 2
Left end lower position, elastic sealing element 4 is individually fixed in the opened material taking mouth lower end outer wall side of coal spout 1 and sampling feed bin 3 is another
Side；Perforate boss 7 is respectively positioned on inside case 8；Perforate boss 7 is welded in the left upper part position of sample spoon 2, and welding position is extremely
The high order end of sample spoon 2 leaves certain length discharging opening.
Described elastic sealing element 4 includes sealing strip 10, T-shaped pedestal 11, spring 12；Sealing strip 10 top seal face is arc
Face, this cambered surface is fitted with sealing plate 5 bottom cambered surface, and sealing strip 10 bottom is cylinder, is set in spring 12 upper end；Spring 12 is embedding
It is enclosed within the T-slot of T-shaped pedestal 11.
Described sample spoon 2 is cuboid groove.
Cylindrical action bars 14 is passed through, action bars 14 and perforate boss 7 use keying in the circular hole of described perforate boss 7
Fixed；Action bars 14 two is each passed through right bearing 17-1 and left bearing 17；Right bearing 17-1 and left bearing 17 pass through bearing base
16 are separately fixed at case 8 both sides external position；It is provided with packing seal assembly 18 between action bars 14 and case 8；
Described left bearing 17, the outside installation end lid 13 respectively of right bearing 17-1, end cap 13 pass through the 4th bolt 6-4, the
Five bolt 6-5 are fixed on case 8；
Described push rod drive mechanism 15 includes fixed pedestal 19, electric pushrod 20, drives connecting handle 21；Electric pushrod 20 is furnished with
Adjustable limiting switchs；Electric pushrod 20 lower end is articulated with fixed pedestal 19；Electric pushrod 20 upper end and the left side driving connecting handle 21
End is hinged；Connecting handle 21 right-hand member is driven to open circular hole, action bars 14 is nested in driving connecting handle 21 right-hand member circular hole and fixed by keying.
The beneficial effects of the utility model are：The electric pushrod of the automatic rotation sampling apparatuses of this as-fired coal passes through hinged machine
Structure drives and is fixed on the action bars rotation driving in connecting handle, realizes sample spoon and rotates in coal spout, completes sampling action.Pass through
Setting elastic sealing strip can effectively prevent coal dust in coal spout from leaking into sampling feed bin when not sampling.Electric pushrod is furnished with adjustable limit
Bit switch, realizes the high accuracy control of sampling action.For the automatization, the simplicity offer that solve as-fired coal machinery of sampling device
Technical Reference.
Brief description
Fig. 1 is the automatic rotation sampling arrangement samples schematic diagram of as-fired coal.
Fig. 2 is that the automatic rotation sampling apparatuses coal sample of as-fired coal takes out schematic diagram.
Fig. 3 is elastic sealing element along sealing cambered surface sectional view.
Fig. 4 is the left view of Fig. 1.
Fig. 5 is push rod drive mechanism and sample spoon action schematic diagram.
Fig. 6 is the A-A view of Fig. 1.
Specific embodiment
This utility model provides a kind of automatic rotation sampling apparatuses for as-fired coal, below in conjunction with the accompanying drawings the present invention is made
Further instruction.
In the automatic rotation sampling apparatuses of the as-fired coal shown in Fig. 1, the automatic rotation sampling apparatuses of this as-fired coal are by falling
Coal pipe 1, sample spoon 2, sampling feed bin 3, elastic sealing element 4, sealing plate 5, perforate boss 7, case 8, wear-resisting protecting block 9, end cap 13,
Action bars 14, push rod drive mechanism 15, bearing base 16, left and right bearing, packing seal assembly 18 form；Wherein, coal spout 1 one
Material taking mouth is opened in side, and sampling feed bin 3 is fixed on the opened material taking mouth lower end outer wall side of coal spout 1 by bolt 6, and case 8 passes through
Second bolt 6-2 is fixed on coal spout 1 opened material taking mouth upper end outer wall side；Sampling feed bin 3 another side, case 8 another side pass through
First bolt 6-1 connects；Wear-resisting protecting block 9 is fixed on coal spout 1 opened material taking mouth upper end inwall side by the 3rd bolt 6-3；Close
Shrouding 5 is located at the left end lower position of sample spoon 2, and elastic sealing element 4 is individually fixed in the opened material taking mouth lower end outer wall of coal spout 1
Side and sampling feed bin 3 another side；Perforate boss 7 is respectively positioned on inside case 8；Perforate boss 7 is welded in the left upper part of sample spoon 2
Position, and welding position to the high order end of sample spoon 2 leaves certain length discharging opening；Sample spoon 2 is cuboid groove (as Fig. 6
Shown).
Fig. 3 show elastic sealing element along sealing cambered surface sectional view, and elastic sealing element 4 includes sealing strip 10, T-shaped pedestal
11st, spring 12；Sealing strip 10 top seal face is cambered surface, and this cambered surface is fitted with sealing plate 5 bottom cambered surface, and sealing strip 10 bottom is
Cylinder, is set in spring 12 upper end；Spring 12 is nested in the T-slot of T-shaped pedestal 11.When sample spoon 2 moves, spring 12
The compressional deformation that absorbable sealing plate 5 produces to sealing strip 10, below the sealing strip 10 making to be nested on spring 12 and sample spoon 2
Sealing plate 5 fit tightly, it is to avoid when sample spoon 2 is in position shown in Fig. 1, Fig. 2, the coal dust in coal spout 1 leak into sampling material
In storehouse 3.
Fig. 4 show the left view of Fig. 1.Cylindrical action bars 14, action bars is passed through in the circular hole of described perforate boss 7
14 use keying fixed with perforate boss 7；Action bars 14 two is each passed through right bearing 17-1 and left bearing 17；Right bearing 17-1 and
Left bearing 17 is separately fixed at case 8 both sides external position by bearing base 16；It is provided with filler between action bars 14 and case 8
Black box 18；Described left bearing 17, the outside installation end lid 13 respectively of right bearing 17-1, end cap 13 pass through the 4th bolt 6-4,
5th bolt 6-5 is fixed on case 8.
Fig. 5 show push rod drive mechanism and sample spoon action schematic diagram.Described push rod drive mechanism 15 includes fixed base
Seat 19, electric pushrod 20, driving connecting handle 21；Electric pushrod 20 is furnished with adjustable limiting switch；Electric pushrod 20 lower end is articulated with solid
Determine on pedestal 19；Electric pushrod 20 upper end is hinged with the left end driving connecting handle 21；Connecting handle 21 right-hand member is driven to drive circular hole, action bars 14
It is in driving connecting handle 21 right-hand member circular hole and fixed by keying to be nested in.Electric pushrod 20 is furnished with adjustable limiting switch, is accurately controlled
The pushrod movement position of electric pushrod 20；Sample spoon 2 is located at shown in Fig. 2 during position, and the push rod of electric pushrod 20 is in be received completely
Contracting state；When the push rod of electric pushrod 20 does release motion, drive connecting handle 21 to drive action bars 14 to turn clockwise, work as sampling
When spoon 2 moves to position shown in Fig. 1, the push rod of electric pushrod 20 is in fully extended state.Described electric pushrod 20 can achieve
Acceleration rotation when position shown in Fig. 1 is to position shown in Fig. 2 for the sample spoon 2, with the viscous coal that shakes, prevents appearance in sample spoon 2
Serious viscous coal phenomenon.
As shown in Figure 1, Figure 2, Figure 4 shows, when carrying out coal sampling action, the coal dust in coal spout 1 falls in sample spoon 2, operation
Bar 14 is rotated under the driving of push rod drive mechanism 15, and then drives the sample spoon 2 being fixed on action bars 14 middle part
Make counter-clockwise rotary motion, meanwhile, coal sample in sample spoon 2 in self gravitation effect, lower edge sample spoon 2 slide downward, after warp
The discharging opening of sample spoon 2 left end slips in sampling feed bin 3.When sample spoon 2 reaches position shown in Fig. 2, push rod drive mechanism 15
Stopping action；After the certain predetermined time, push rod drive mechanism 15 beginning action, action bars 14 drives and is fixed in the middle part of action bars 14
Sample spoon 2 make clockwise rotation, when sample spoon 2 moves to position shown in Fig. 1, push rod drive mechanism 15 stops dynamic
Make, enter next sampling process.
Claims (5)
1. a kind of automatic rotation sampling apparatuses for as-fired coal are it is characterised in that as-fired coal rotates sampling apparatuses automatically by falling
Coal pipe (1), sample spoon (2), sampling feed bin (3), elastic sealing element (4), sealing plate (5), perforate boss (7), case (8), resistance to
Mill protecting block (9), end cap (13), action bars (14), push rod drive mechanism (15), bearing base (16), left bearing (17), right bearing
(17-1), packing seal assembly (18) composition；Wherein, material taking mouth is opened in coal spout (1) side, and spiral shell is passed through in sampling feed bin (3)
Bolt (6) is fixed on coal spout (1) opened material taking mouth lower end outer wall side, and case (8) is fixed on coal spout by the second bolt (6-2)
(1) opened material taking mouth upper end outer wall side；Sampling feed bin (3) another side, case (8) another side pass through the first bolt (6-1) and connect；
Wear-resisting protecting block (9) is fixed on coal spout (1) opened material taking mouth upper end inwall side by the 3rd bolt (6-3)；Sealing plate (5) is located at
The left end lower position of sample spoon (2), elastic sealing element (4) is individually fixed in coal spout (1) opened material taking mouth lower end outer wall side
Another side with sampling feed bin (3)；It is internal that perforate boss (7) is respectively positioned on case (8)；Perforate boss (7) is welded in sample spoon (2)
Left upper part position, and welding position to the high order end of sample spoon (2) leaves certain length discharging opening.
2. it is used for the automatic rotation sampling apparatuses of as-fired coal according to claim 1 it is characterised in that described elastic sealing element
(4) sealing strip (10), T-shaped pedestal (11), spring (12) are included；Sealing strip (10) top seal face be cambered surface, this cambered surface with close
The cambered surface laminating of shrouding (5) bottom, sealing strip (10) bottom is cylinder, is set in spring (12) upper end；Spring (12) is nested in T
In the T-slot of type pedestal (11).
3. it is used for the automatic rotation sampling apparatuses of as-fired coal according to claim 1 it is characterised in that described sample spoon (2)
For cuboid groove.
4. it is used for the automatic rotation sampling apparatuses of as-fired coal according to claim 1 it is characterised in that described perforate boss
(7) pass through cylindrical action bars (14) in circular hole, action bars (14) and perforate boss (7) use keying fixed；Action bars
(14) two is each passed through right bearing (17-1) and left bearing (17)；Right bearing (17-1) and left bearing (17) pass through bearing base
(16) it is separately fixed at case (8) both sides external position；It is provided with packing seal assembly between action bars (14) and case (8)
(18)；Described left bearing (17), the outside installation end lid (13) respectively of right bearing (17-1), end cap (13) passes through the 4th bolt
(6-4), the 5th bolt (6-5) is fixed on case (8).
5. it is used for the automatic rotation sampling apparatuses of as-fired coal according to claim 1 it is characterised in that described push rod driver
Structure (15) includes fixed pedestal (19), electric pushrod (20), drives connecting handle (21)；Electric pushrod (20) is furnished with adjustable limiting and opens
Close；Electric pushrod (20) lower end is articulated with fixed pedestal (19)；Electric pushrod (20) upper end and the left end driving connecting handle (21)
Hinged；Connecting handle (21) right-hand member is driven to open circular hole, action bars (14) is nested in driving connecting handle (21) right-hand member circular hole and passes through keying
Fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620783432.9U CN205981756U (en) | 2016-07-22 | 2016-07-22 | A autogiration sampling device for coal as fired |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620783432.9U CN205981756U (en) | 2016-07-22 | 2016-07-22 | A autogiration sampling device for coal as fired |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205981756U true CN205981756U (en) | 2017-02-22 |
Family
ID=58025310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620783432.9U Expired - Fee Related CN205981756U (en) | 2016-07-22 | 2016-07-22 | A autogiration sampling device for coal as fired |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205981756U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106226120A (en) * | 2016-07-22 | 2016-12-14 | 华北电力大学 | A kind of automatically rotate sampling apparatus for as-fired coal |
-
2016
- 2016-07-22 CN CN201620783432.9U patent/CN205981756U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106226120A (en) * | 2016-07-22 | 2016-12-14 | 华北电力大学 | A kind of automatically rotate sampling apparatus for as-fired coal |
| CN106226120B (en) * | 2016-07-22 | 2023-08-01 | 华北电力大学 | Automatic rotary sampling device for coal in furnace |
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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: 20170222 Termination date: 20200722 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |