CN101381025B - Anti-block apparatus of power plant coal hopper with parallel built-in mechanism - Google Patents
Anti-block apparatus of power plant coal hopper with parallel built-in mechanism Download PDFInfo
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- CN101381025B CN101381025B CN2008102242847A CN200810224284A CN101381025B CN 101381025 B CN101381025 B CN 101381025B CN 2008102242847 A CN2008102242847 A CN 2008102242847A CN 200810224284 A CN200810224284 A CN 200810224284A CN 101381025 B CN101381025 B CN 101381025B
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- power plant
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- welded
- against shock
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Abstract
The invention discloses a built-in parallel mechanism typed power plant coal feeding funnel anti-jacking device, comprising an anti-impact cap (2), a spiral mixing rod component (3) and a swing mechanism (4); the connection type is that one end of each of three profiled washers (8) is connected with one end of three swing rods (7) out of three swing mechanisms by three fixed screws (17) and nuts intermittently arranged on the anti-impact cap; the other end of each profiled washer is connected with any one end of a connecting frame (9) on the spiral mixing rod component (3) by another three fixed screws (17) and nuts intermittently arranged on the anti-impact cap; the other end of the swing rod (7) is pivotally connected with one end of a slideway rod (19); the swing mechanism (4) converts the rotation of an engine into the swing within a certain swing angle, thus carrying out the plane two-DOF movement and rotation motion corresponding to the vertical axis line; the parallel mechanism drives the anti-impact cap and the spiral mixing rod component to move and rotate, thus realizing the prevention and dredging on the blockage of the original coal.
Description
Technical field
The present invention relates to a kind of power plant feed coal funnel blocking preventing and dredger, be applicable to that the former coal hopper of thermal powerplant and other carry out the occasion that mass transport shifts by hopper.
Background technology
Thermal power plant's raw coal material-falling hopper is that coal handling system is carried coal-fired visual plant to boiler combustion system.Its planform is basic identical, and top is cylindrical, and the bottom is conical.Suitable for reading big, following young, charging suitable for reading, raw coal falls by deadweight from top to bottom.The following raw coal that falls behind enters coal mill by feeder, finally delivers to combustion chamber.In actual moving process, the blanking blockage problem that this equipment ubiquity is serious.After stopping up, can bring by coal bunker operation to shut down or waste serious consequences such as heavy oil.
Usually, the power station attendant uses sledgehammer to pound the outer wall of material blanking tube suddenly, makes the loosening whereabouts of material of obstruction.Yet this original method can make the material blanking tube deformed damaged very soon.At present, producer is also arranged at this problem, install air bubble additional on material blanking tube, utilize air bubble to the material that the stops up mediation of exploding, this method can produce great noise, causes airborne dust, also has potential dangerous hidden danger.Also have a kind of loose machine that is installed on the material blanking tube inwall, dredge by twitching loose machine scraper up and down.Yet, do not consider the stressed mechanism that material stops up owing to this along moving of inwall tangential direction, cause when obstruction is serious, the straight line scraper plate can not be twitched.Even scraper plate can be twitched, material can not thoroughly be dealt with problems still in circumferential obstruction.
Summary of the invention
The problem to be solved in the present invention provides a kind of power plant feed coal funnel with parallel mechanism built-in anti-block apparatus, realizes power plant's former coal bunker prevention obstruction and dredges two kinds of functions of obstruction.This device is fully being analyzed on the basis of coal bunker blanking obstruction, utilizes the multifreedom motion characteristic and the power amplification of parallel institution, has designed a kind of can the realization and has been installed on coal bunker inside around axial rotation, along two parallel institutions that radially move.
The technical scheme that the present invention solves its technical matters employing is:
A kind of power plant feed coal funnel with parallel mechanism built-in anti-block apparatus, this anti-blocking device for coal scuttle comprises: protecting against shock cap, spiral stir bar assembly, swinging gear, drive motor; Constitute being connected between the parts of this device:
Three fork one ends in an end of each sheet in three profiled spacers, three swinging gear link together by three standing screws separately and the nut on the protecting against shock cap, form revolute pair; Arbitrary end that the other end of three each sheets of profiled spacer, spiral stir the link span on the bar assembly links together by other three standing screw and the nuts separately on the protecting against shock cap, forms revolute pair; One end of the other end of fork and slideway rod member is hinged, forms revolute pair, constitutes the power plant feed coal funnel with parallel mechanism built-in anti-block apparatus.
Spiral stirs the bar assembly and is welded to form by link span, tabular empennage, screw rod; Link span is the trilobal formula of symmetric arrangement, is welded on the head end of screw rod, and tabular empennage is a shovel shape blade, is welded on the end of screw rod, has the continuous cold rolling helicallobe on the spiral fashion bar.
Swinging gear has three, and each swinging gear is made up of a slideway rod member, a motor and a disk; Motor output shaft is connected with disk by key, and disk is connected with optical axis by key, and optical axis is positioned at the slideway of slideway rod member, utilizes screw that the slideway rod member is hinged on and drives on the coal bunker, forms revolute pair; Slide in the slideway of slideway rod member by optical axis, the full revolution of motor is converted into hunting motion, realize motion input parallel institution.
The protecting against shock cap comprises: cone-shaped stainless steel member and standing screw; Standing screw is welded on the inwall of cone-shaped stainless steel member, and is evenly distributed on sustained height
The rotation of three motors is converted into the swing of certain amplitude by swinging gear, and driven Parallel Kinematic Manipulator realizes that two move, a three-dimensional space motion of rotating.
The beneficial effect that the present invention had: utilize the multifreedom motion characteristic and the power amplification of parallel institution, provide a kind of and can realize pre-anti-clogging and dredge the power plant feed coal funnel with parallel mechanism built-in anti-block apparatus that stops up two kinds of functions.Can realize rich axial rotation, along two parallel institutions that radially move, be installed on coal bunker inside.Utilize cone-shaped stainless steel protecting against shock cap realization blanking buffering, and mechanism is being installed in the three degree of freedom cyclical movement of carrying out high acceleration, short travel under exterior three motor-driven, the thorough formation raw coal obstruction EQUILIBRIUM CONDITION of destroying.This device is installed in the bottom of material blanking tube, connects by loading and unloading hookup with material blanking tube top, is convenient to transform and maintenance.Parallel institution is encapsulated in cone-shaped stainless steel protecting against shock cap bottom, prevents that effectively blanking from impacting the destruction to mechanism kinematic pairs.This device is with pre-anti-clogging and dredge and stop up two kinds of functions and carry out combination, is a kind of novel power plant coal handling system accessory machinery.
Description of drawings
Fig. 1 power plant feed coal funnel with parallel mechanism built-in anti-block apparatus general assembly scheme drawing;
Fig. 2 parallel mechanism built-in scheme drawing;
The A-A section-drawing of Fig. 3 Fig. 2;
The B-B section-drawing of Fig. 4 Fig. 2;
Fig. 5 swinging gear scheme drawing;
The C-C section-drawing of Fig. 6 Fig. 5;
Fig. 7 spiral stirs bar assembly scheme drawing;
Fig. 8 protecting against shock cap scheme drawing.
Among the figure: protecting against shock emits 2, spiral stirs bar assembly 3, swinging gear 4, drive motor 5, drive coal bunker 6, fork 7, profiled spacer 8, link span 9, cone-shaped stainless steel member 10, revolute pair 11, revolute pair 12, revolute pair 13, revolute pair 14, tabular empennage 15, screw rod 16, standing screw 17, disk 18, slideway rod member 19, revolute pair 20, key 21, key 22, optical axis 23, screw 24.
The specific embodiment
The invention will be further described in conjunction with the accompanying drawings and embodiments.
The power plant feed coal funnel with parallel mechanism built-in anti-block apparatus as shown in Figure 1, comprising: protecting against shock cap 2, spiral stir bar assembly 3, three swinging gear 4.
Shown in Fig. 1,2,3,4,5,6,7, the present invention utilizes unique design, realizes the former coal bunker prevention of power plant is stopped up and dredged the function of obstruction.
Technical scheme of the present invention:
Three fork 7 one ends in three profiled spacers 8 in an end of each sheet and three swinging gear link together by three standing screws 17 separately and the nut 18 on the protecting against shock cap, form revolute pair 13, see Fig. 2,3; Arbitrary end that the other end, the spiral of each sheet stir the link span 9 on the bar assembly 3 in three profiled spacers 8 links together by other three standing screw 17 and the nuts 18 separately on the protecting against shock cap, forms revolute pair 14, sees Fig. 2,4; One end of the other end of fork 7 and slideway rod member 19 is hinged, forms revolute pair 11, sees Fig. 2; The power plant feed coal funnel with parallel mechanism built-in anti-block apparatus that constitutes, symmetry is installed in coal bunker 6 inside, as shown in Figure 1, 2.
Three swinging gear 4 are arranged shown in Fig. 5,6.Each swinging gear 4 is made up of a slideway rod member 19, motor 5 and disk 18.It is connected to:
Spiral stirs the bar assembly as shown in Figure 7, is welded by link span 9, tabular empennage 15, screw rod 16, as shown in Figure 7.Screw rod 16 1 ends and link span 9 welding, the other end of screw rod 16 and 15 welding of tabular empennage.
Link span 9 is the trilobal formula of symmetric arrangement, is welded on the head end of screw rod 16.Tabular empennage 15 is a shovel shape blade, is welded on the end of screw rod 16.Has the continuous cold rolling helicallobe on the spiral fashion bar 16.
Spiral stirs bar assembly 3 and is vertically mounted in the coal bunker.Spiral stirs has the screw rod 16 consistent with raw coal motion rotation direction on the bar assembly 3, the rod member end has the tabular empennage 15 that stirs usefulness.Rotate along with the kinematic screw of parallel institution stirs bar assembly 3,, move to Way out, realize pre-anti-clogging and dredge the effect of obstruction Yi Bian dredge raw coal Yi Bian stir raw coal.
Protecting against shock cap 2 as shown in Figure 8, the protecting against shock cap comprises cone-shaped stainless steel member 10 and standing screw 17.Standing screw 17 is welded on the inwall of cone-shaped stainless steel member 10, and evenly arranges on sustained height.Protecting against shock cap 2 is the connector of a cone-shaped stainless steel member, is fixed as one with profiled spacer 8 and link span 9 by the standing screw 17 that is welded on the cone-shaped stainless steel member 10.
Claims (3)
1. a power plant feed coal funnel with parallel mechanism built-in anti-block apparatus is characterized in that, this anti-blocking device for coal scuttle comprises: protecting against shock cap (2), spiral stir bar assembly (3), swinging gear (4); Constitute being connected between the parts of this device:
In three profiled spacers (8) end of each sheet respectively with three swinging gear in an end of three forks (7) link together by separately three standing screws (17) and nut on the protecting against shock cap, form three revolute pairs (13);
The other end of each sheet links together by other three standing screw (17) and the nuts separately on the protecting against shock cap with three ends that spiral stirs the link span (9) on the bar assembly (3) respectively in three profiled spacers (8), forms three revolute pairs (14);
The other end of three forks (7) is hinged with an end of three slideway rod members (19) respectively, forms three revolute pairs (11).
2. a kind of power plant feed coal funnel with parallel mechanism built-in anti-block apparatus according to claim 1 is characterized in that, spiral stirs bar assembly (3) and is welded to form by link span (9), tabular empennage (15), screw rod (16); Link span (9) is the trilobal formula of symmetric arrangement, is welded on the head end of screw rod (16), and tabular empennage (15) is a shovel shape blade, is welded on the end of screw rod (16), and screw rod has the continuous cold rolling helicallobe on (16).
3. a kind of power plant feed coal funnel with parallel mechanism built-in anti-block apparatus according to claim 1 is characterized in that, protecting against shock cap (2) comprising: cone-shaped stainless steel member (10) and standing screw (17); Standing screw (17) is welded on the inwall of cone-shaped stainless steel member (10), and is evenly distributed on sustained height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102242847A CN101381025B (en) | 2008-10-16 | 2008-10-16 | Anti-block apparatus of power plant coal hopper with parallel built-in mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102242847A CN101381025B (en) | 2008-10-16 | 2008-10-16 | Anti-block apparatus of power plant coal hopper with parallel built-in mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101381025A CN101381025A (en) | 2009-03-11 |
| CN101381025B true CN101381025B (en) | 2010-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008102242847A Expired - Fee Related CN101381025B (en) | 2008-10-16 | 2008-10-16 | Anti-block apparatus of power plant coal hopper with parallel built-in mechanism |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101643133B (en) * | 2009-09-02 | 2010-12-01 | 北京交通大学 | Hybrid type coal hopper anti-blocking device |
| CN102533283A (en) * | 2011-12-31 | 2012-07-04 | 山西沁新能源集团股份有限公司 | Associated hydraulic spiral automatic coal receiving device of clean heat recovery coke oven |
| CN105253482B (en) * | 2015-10-22 | 2017-07-07 | 大唐洛阳热电有限责任公司 | A kind of automatic sparse formula coal breakage bucket |
| CN105857966B (en) * | 2016-06-05 | 2018-06-15 | 海安县石油科研仪器有限公司 | Indicating type device for discharging |
| CN107215579A (en) * | 2017-07-14 | 2017-09-29 | 洛阳蓝斯利科技有限公司 | A kind of feed bin for being applied to crush radix glycyrrhizae storage |
| CN109607239A (en) * | 2019-01-28 | 2019-04-12 | 常州市长江热能有限公司 | A kind of coal conveying device |
| CN112239026A (en) * | 2020-10-28 | 2021-01-19 | 安徽开乐专用车辆股份有限公司 | Clear stifled device in powder tank car jar body bottom |
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- 2008-10-16 CN CN2008102242847A patent/CN101381025B/en not_active Expired - Fee Related
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|---|---|---|---|---|
| DE4220035A1 (en) * | 1992-06-19 | 1993-12-23 | Wtw Engineering Maschinen Und | Discharge device for round silos with hollow cover cone - has rotatable closed platform driven round longitudinal axis of cone and extra inner paddle wheel sweeping excess material into central opening to avoid blockages |
| CN2331857Y (en) * | 1998-04-09 | 1999-08-04 | 徐国斌 | Driving-level spinning type feeder when coal pipe block-up |
| CN2436487Y (en) * | 2000-07-28 | 2001-06-27 | 许文斌 | Blocking-proof device for bucket |
| CN2708121Y (en) * | 2004-04-02 | 2005-07-06 | 赵东楼 | Reeling coal hopper dredging machine |
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| JP平4-72190A 1992.03.06 |
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Granted publication date: 20100609 Termination date: 20121016 |