CN2285761Y - Cam type motor-operated sealed double-flap ash valve - Google Patents
Cam type motor-operated sealed double-flap ash valve Download PDFInfo
- Publication number
- CN2285761Y CN2285761Y CN 97203284 CN97203284U CN2285761Y CN 2285761 Y CN2285761 Y CN 2285761Y CN 97203284 CN97203284 CN 97203284 CN 97203284 U CN97203284 U CN 97203284U CN 2285761 Y CN2285761 Y CN 2285761Y
- Authority
- CN
- China
- Prior art keywords
- valve
- cam
- driving lever
- motor shaft
- valve plate
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Mechanically-Actuated Valves (AREA)
Abstract
The utility model relates to a cam type motor-operated sealed double-flap ash valve, which is composed of a valve body, an upper and a lower valve boards, an upper and a lower valve board shafts, an upper and a lower balance weights, etc. Shifting levers are respectively arranged at the external parts of the upper and the lower valve board shafts extending out of the valve body. A cam is arranged at the passing motor shaft, and the rotation of the motor shaft drives the rotation of the cam so that the upper and the lower valve boards can be opened and closed successively by shifting the shifting levers. The intermediate driving chain is reduced by using the ash valve. The utility model has the advantages of simple structure, convenient processing, easy installation and low cost, and has a stable and reliable operation for a long time. When one valve is opened, the other valve is ensured to be closed. The timing control of the opening and the closing of the valve is realized, and the sealing air lock effect of the utility model is also ensured.
Description
The utility model is a kind of mass transport accessory machinery, be used for the blanking and the sealing of ash bucket He other granular material feed bin of environmental protection dust collection device, exist applicable to cement, building materials, metallurgy etc. in the related occasion or equipment of granular material conveying and dedusting industry.
At present, in the dust collection device of cement industry, the kind of the ash-valve of use is more, but is broadly divided into three classes, and the one, flash valve, the 2nd, mechanical drive ash-valve, the 3rd, lattice wheel.Flash valve and be divided into again that veneer flashes valve and two plates flash valve, all utilize lever principle to move, when the dust stratification weight on the valve surpassed counterweight, valve moved downward, and dust stratification is unloaded, and counterweight makes the valve return then.Veneer flashes valve and directly dust stratification is drawn off, and it then is that two veneers flash valve and are used that two plates flash valve, with the enhanced leaktightness effect.The mechanical drive ash-valve is to utilize sprocket wheel or gear transmission to drive spring or driving lever motion, thus the motion of by-pass valve control.The lattice wheel is to utilize the star gear around horizontal rotational shaft to unload ash.Although above-mentioned three class valve kind differences, form has various, generally speaking, all has the not tight problem of lock wind.The action of flashing valve has certain randomness, and open and close do not have rule, thereby discharging is inhomogeneous, and lock wind is relatively poor.The mechanical drive ash-valve, the accuracy of shortage position between two valve plates, leak tightness is still good inadequately, and structure is comparatively complicated, and field maintemance also comparatively bothers.The problem that lattice wheel exists is, when causing material to be bonded on the race for various reasons, then star gear has become a cylinder, and this moment is normally discharging just, and lattice taken turns long operational time, and wheel periphery has wearing and tearing, and leak tightness is just relatively poor at this moment.
The purpose of this utility model is that a kind of new-type airtight ash-valve will be provided, this ash-valve had both considered that two plates flashed the characteristics simple in structure of valve, consider the reliable and stable advantage of mechanical drive ash-valve action again, it is strong to make it to have lock wind energy power, simple in structure, operating maintenance is convenient, characteristics such as reliable in action, can satisfy the needs of the long-term stability operation of environmental protection dust collection device and other granular material load transfer device, and the sealing effectiveness of lock wind reliably and with long-term can be provided.
Airtight ash-valve of the present utility model is to grow up on two plates flash the basis of valve.Basic ideas are that during an opening of valves, another valve must be in closed condition.Have randomness owing to utilize counterweight to make valve plate open or close, and when counterweight and material just in time were in balance, valve might be in half-open position, material unloads to get off at this moment, and the lock wind of this valve has become problem, is similar to bivalve and has become single valve.Even more serious is, might two material on the valve when all overweighting counterweight, this moment, two valves were all opened simultaneously, just had been far from being lock wind this moment.The airtight ash-valve that the utility model provides, still adopt two turnover panels to close structure, just utilize the rotation that is enclosed within the cam on the motor shaft to control and drive, the extension of cam can be multiple smooth closing curve shape, as ellipse, olive shape even circle etc., arranged off-centre.On the turning cylinder of each valve plate, all be provided with can stir valve plate and make it to open driving lever, when cam rotates, the long end of eccentric cam is stirred driving lever, make a valve opening, and the short end of eccentric cam is crossed from another driving lever at this moment, another valve is still closed under the effect of counterweight.The cam revolution moves a week, and then each opens once two valves successively.
Use the utility model to have the following advantages: at first, electronic pair of airtight ash-valve of turnover panel of cam-type of the present utility model adopts cam directly to be enclosed within on the motor shaft, and the drive valve plate driving lever has reduced intermediate drive, and is simple in structure, stable and reliable operation.Secondly, the opening and closing of valve are directly by cam-controlled, and can guarantee that another valve must cut out when an opening of valves, have realized the fixed-time control to valve opening and closing, have also guaranteed airtight lock wind effect of the present utility model.The 3rd, valve plate adopts elastic sheet, can guarantee to compress the blanking scraper-trough conveyer.The 4th, by designing adjustable blanking scraper-trough conveyer, can compensate the wearing and tearing of cam.In addition, the utility model also has easy to process, installs easily, and cost is low, but characteristics such as long-time running.
Most preferred embodiment of the present utility model can provide in conjunction with the following drawings.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the floating valve plate axle construction scheme drawing that is in harmonious proportion certainly of the present utility model.
At first referring to Fig. 1, electronic pair of airtight ash-valve of turnover panel of cam-type of the present utility model is made up of valve body 14, last valve plate 3, lower valve plate 15, last counterweight 5, following counterweight 13 etc., last valve plate 3 can rotate around last valve shaft 4, lower valve plate 15 can rotate around lower valve plate axle 12, the upper end of valve body 14 is connected with blanking scraper-trough conveyer 2, on stretching out part axle outside the casing, last valve shaft 4 is fixed with driving lever 6, stirring driving lever 6 can make valve plate 3 open, (be fixed with driving lever 11 down on the 12 part axles that stretch out outside the casing, stir down driving lever 11 lower valve plate 15 is opened at the lower valve plate axle.In valve body 14 outsides, between the upper and lower driving lever, by the motor shaft 9 that is fixed on the motor (not drawing among the figure) outside the casing cam 8 is installed, the rotation of the rotating band moving cam 8 of motor shaft.
Cam 8 profiles of the present utility model can have varied, but base model is smooth closing curve, as ellipse, olive shape, even circle etc., arranged off-centre, generally speaking, the distance in the solstics at 8 edges from motor shaft 9 to cam, should be greater than the distance of motor shaft 9 to arbitrary driving lever, the distance of the closest approach at 8 edges from motor shaft 9 to cam, should be less than the distance of motor shaft 9 to arbitrary driving lever, and with cam 8 motor shafts 9 is the center, and the distance at 8 edges should be about equally to these a part of cam 8 pairing angles of the distance of arbitrary driving lever smaller or equal to motor shaft 9 to the pairing angle of this a part of cam (8) of the distance of arbitrary driving lever and the distance at 8 edges from motor shaft 9 to cam greater than motor shaft 9 from motor shaft 9 to cam.
The utility model is when work, cam 8 rotates around motor shaft 9 under the drive of motor (not drawing among the figure), BC section on cam 8 progressively will go up driving lever 6 and lift, last valve plate 3 in the valve body 14 is opened gradually and is unloaded ash, the CA section of cam 8 is progressively by last driving lever 6 later on, under the effect of last counterweight 5, last driving lever 6 is return gradually, last valve plate 3 is closed gradually, AB section on the cam 8 is just in time crossed from the top of following driving lever 11 at this moment, can not stir down driving lever 11, and under the effect of following counterweight 13, the lower valve plates 15 in the valve body 14 are closed still.Continuation rotation along with cam 8, BC section on the cam 8 also will descend driving lever 11 to stir progressively close driving lever down 11, lower valve plate 15 in the valve body 14 is opened gradually and is unloaded ash, and the CA section of later cam 8 is progressively passed through driving lever 11 down, under the effect of following counterweight 13, following driving lever 11 is return gradually, lower valve plate 15 is closed gradually, and the AB section on the cam 8 is just in time passed through from the side of last driving lever 6 at this moment, can not stir driving lever 6, and under the effect of last counterweight 5, the last valve plate 3 in the valve body 14 is still closed.Along with the continuation rotation of cam 8, last lower valve plate is constantly alternately opening and closing successively.
In order to reduce the wearing and tearing of driving lever,, roller 7 and roller 10 are housed also in the contact position of last driving lever 6 and following driving lever 11 tops and cam 8 to cam 8.
Valve plate of the present utility model is generally made by thin plate, to guarantee compressing feed opening.
The utility model is in order to guarantee airtight performance, the wearing and tearing of compensation assembly error and cam 8, in the contact position of blanking scraper-trough conveyer 2 with valve body 14, design has the bolt rackwork 1 that adopts asbestos seal, when needs are upwards finely tuned whole valve, because the compressibility of asbestos, rotatable bolt makes whole valve upward movement.
For the valve plate 3 of going up of the present utility model is contacted fully with blanking scraper-trough conveyer 2 ports, referring to Fig. 2, the support 16 that the utility model will be gone up valve plate 3 and the valve plate arm 17 of control valve plate motion and contact surface be designed to sphere, by bolt 18 both are fixed, made to have from being in harmonious proportion floating action.
Claims (7)
1, electronic pair of airtight ash-valve of turnover panel of a kind of cam-type, formed by valve body (14), last valve plate (3), lower valve plate (15), last counterweight (5), following counterweight (13), last valve plate (3) can rotate around last valve shaft (4), lower valve plate (15) can rotate around lower valve plate axle (12), and the upper end of valve body (14) is connected with blanking scraper-trough conveyer (2); It is characterized in that, on stretching out part axle outside the casing, last valve shaft (4) is fixed with driving lever (6), stirring driving lever (6) can make valve plate (3) open, on stretching out part axle outside the casing, lower valve plate axle (12) is fixed with driving lever (11) down, stir down driving lever (11) lower valve plate (15) is opened, in valve body (14) outside, between the upper and lower driving lever, by motor shaft (9) cam (8) is installed, the rotation of the rotating band moving cam (8) of motor shaft.
2, ash-valve as claimed in claim 1, it is characterized in that, the distance in solstics from motor shaft (9) to cam (8) edge, should be greater than the distance of motor shaft (9) to arbitrary driving lever, the distance of closest approach from motor shaft (9) to cam (8) edge, should be less than the distance of motor shaft (9) to arbitrary driving lever, the outer extension curve of cam should be smooth curve.
3, ash-valve as claimed in claim 2, it is characterized in that, with cam (8) motor shaft (9) is the center, and the distance from motor shaft (9) to cam (8) edge should be about equally to the pairing angle of this a part of cam (8) of the distance of arbitrary driving lever smaller or equal to motor shaft (9) to the pairing angle of this a part of cam (8) of the distance of arbitrary driving lever and the distance from motor shaft (9) to cam (8) edge greater than motor shaft (9).
3, ash-valve as claimed in claim 1 is characterized in that, in the contact position of blanking scraper-trough conveyer (2) with valve body (14), design has the bolt rackwork (1) that adopts asbestos seal.
4, ash-valve as claimed in claim 1 is characterized in that, in the contact position of last driving lever (6) and following driving lever (12) top and cam (8), roller (7) and roller (10) is housed also.
5, ash-valve as claimed in claim 1 is characterized in that, the valve plate arm (17) of the support (16) that will go up valve plate (3) and the motion of control valve plate and contact surface be designed to sphere, by bolt (18) both are fixed.
6, ash-valve as claimed in claim 1 is characterized in that, valve plate is made by thin plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 97203284 CN2285761Y (en) | 1997-04-22 | 1997-04-22 | Cam type motor-operated sealed double-flap ash valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 97203284 CN2285761Y (en) | 1997-04-22 | 1997-04-22 | Cam type motor-operated sealed double-flap ash valve |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2285761Y true CN2285761Y (en) | 1998-07-08 |
Family
ID=33924183
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 97203284 Expired - Fee Related CN2285761Y (en) | 1997-04-22 | 1997-04-22 | Cam type motor-operated sealed double-flap ash valve |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2285761Y (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103274234A (en) * | 2013-05-17 | 2013-09-04 | 徐州兴旗机械制造有限公司 | Cam slipping type mine car bottom cleaning device |
CN106010655A (en) * | 2016-07-06 | 2016-10-12 | 佛山市绿威生物科技有限公司 | Biomass gasifier |
CN107140392A (en) * | 2017-05-05 | 2017-09-08 | 温州中环正源水务有限公司 | A kind of sludge conveying system |
CN110848449A (en) * | 2019-12-13 | 2020-02-28 | 攀枝花钢企米易白马球团有限公司 | Double-layer ash discharge valve transmission structure |
-
1997
- 1997-04-22 CN CN 97203284 patent/CN2285761Y/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103274234A (en) * | 2013-05-17 | 2013-09-04 | 徐州兴旗机械制造有限公司 | Cam slipping type mine car bottom cleaning device |
CN103274234B (en) * | 2013-05-17 | 2015-03-18 | 徐州兴旗机械制造有限公司 | Cam slipping type mine car bottom cleaning device |
CN106010655A (en) * | 2016-07-06 | 2016-10-12 | 佛山市绿威生物科技有限公司 | Biomass gasifier |
CN107140392A (en) * | 2017-05-05 | 2017-09-08 | 温州中环正源水务有限公司 | A kind of sludge conveying system |
CN110848449A (en) * | 2019-12-13 | 2020-02-28 | 攀枝花钢企米易白马球团有限公司 | Double-layer ash discharge valve transmission structure |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN2285761Y (en) | Cam type motor-operated sealed double-flap ash valve | |
CN111498520A (en) | Flow control device for opening and closing | |
CN201476036U (en) | Flue gas desulphurization baffle door | |
CN201458252U (en) | Hopper type lifter | |
CN2793657Y (en) | Double-layer ash discharger with high safety and tightness | |
CN109708481A (en) | A kind of efficient and environment-friendly type converter | |
CN211846412U (en) | Material transportation system | |
CN211253983U (en) | Double-flap valve air lock device | |
CN2150405Y (en) | Three-way butterfly valve | |
CN209604566U (en) | A kind of Double-deck cinder discharge valve | |
CN202116048U (en) | Air-conveying rotary feeder and conveying system utilizing same | |
CN201002705Y (en) | Fast opening and closing air-tight door with single handle | |
CN112013401A (en) | Environment-friendly calcining furnace for garbage calcination | |
CN218260200U (en) | Roller contact type elastic material detection device | |
CN111365469A (en) | Double-layer ash discharging valve | |
CN211437328U (en) | Double-cavity blanking pipe wall-sticking-free anti-blocking device | |
CN220396503U (en) | Lower sealing combination for top of blast furnace bell-less charging equipment | |
CN212170876U (en) | Adjustable hopper that connects of unloading | |
CN215842495U (en) | Biological filter for waste gas treatment | |
CN220596139U (en) | Automatic conveyer of dry production of blueberry | |
CN220060564U (en) | Novel multifunctional butterfly valve check valve | |
CN213361220U (en) | Inclined double-shaft double-flap valve | |
CN201258336Y (en) | Raw material bin discharge port external open type sealing gate | |
CN214451930U (en) | Anti-leakage telescopic material pipe device for coal sample packaging system | |
CN2778829Y (en) | Blast furnace top sealing and fending valve with no top bell |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |