US2823834A - Slit type storage chamber - Google Patents
Slit type storage chamber Download PDFInfo
- Publication number
- US2823834A US2823834A US421128A US42112854A US2823834A US 2823834 A US2823834 A US 2823834A US 421128 A US421128 A US 421128A US 42112854 A US42112854 A US 42112854A US 2823834 A US2823834 A US 2823834A
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- US
- United States
- Prior art keywords
- arms
- evacuating
- storage chamber
- type storage
- carriage
- 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 - Lifetime
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/34—Emptying devices
- B65G65/40—Devices for emptying otherwise than from the top
- B65G65/44—Devices for emptying otherwise than from the top using reciprocating conveyors, e.g. jigging conveyors
Definitions
- the invention relates to a slit type storage chamber with a central saddle and bearing surfaces for stored material on either side thereof, which material is delivered through one or both of a pair of slits arranged one on each side of the saddle between -the same and the bearing surfaces by means of oppositely acting pairs of pivotal diagonal evacuating arms arranged on a carriage in position for engaging upon the two bearing surfaces.
- the present invention continues and improves said common assignees Brahmsiepe system by providing lockinghooks which are located near the rearward extension of the evacuating arms and which are under spring tension to maintain the evacuating arms in the inoperative position and which are automatically tripped in the end position of the bunker to release the arms for movement to operative position under the action of a tension spring which adjusts itself to various operative positions ofthe evacuating arms.
- each evacuating arm orv plow ⁇ or scraper is arranged on an angle with the associated evacuating arm so that the extensions-of thev evacuating arms, when in their operative position, can slide over diagonal 2,823,834 Patented Feb.
- a further feature of the invention consists in so disposing the diagonal surfaces of said Brahmsiepe application at the end of the chamber or bunkers that they can be outwardly pivoted to one side, in order that, when the evacuating carriage makes its return movement, the inoperatively positioned evacuating arms can move the diagonal surfaces out of the way by thrusting the same aside.
- regulating or adjusting members are arranged according to the invention in the area of the pivotal movement of the evacuating arms, or of their rearward extensions, said adjusting members also enabling one of the two evacuating arms to be entirely lcut out of operation.
- Figures 1 and la illustrate in vertical longitudinal section the lower part of the right and left half, respectively, of a slit-type storage chamber or bunker, according to the invention
- Figures 2 and 2a are horizontal sections along the line II--II of Figures 1 and la, respectively;
- 4- Figure 3 is a vertical cross-section. along the line III-'III of Figure 2 on an enlarged scale;
- Figure I3a is an enlarged view of a portion of Fig. 3, illustrating the slits 30 and slide members 3l) in larger scale;
- Figure 4 is an enlarged view of part of Figure 2 and illustrates the evacuating arms in ⁇ their operative position together with the driving arrangement for the arms, and
- Figure 5 is an enlarged view of a side elevation of the evacuating arms illustrated in Figure 4.
- the storage chamber or bunker 1 has in its lower part a saddle 2, above which is disposed a vertical longitudinal wall 25 dividing the bunker into ⁇ two compartments.
- the material contained in each compartment rests on a bearing surface 3 and is delivered therefrom by means of the pairs of evacuating arms 5, 6 arranged on a carriage 4.
- the material is discharged to a conveyor belt 8 through slits 30 and a delivery funnel 7 by means of the arms 5, 6, as they ride. ⁇ along the bearing surfaces 3 when ⁇ the carriage moves alongside the slits 30'.
- the evacuating carriage 4 moves on track 9 by means of running wheels 10.
- the pairs of evacuating arms S, 6 are in their positions as illustrated in Figures 1 and 2, the evacuating carriage is moved to the left along the storage chamber l. in the direction of the arrow 11 and on movement in the opposite direction to the right, the pairs of arms 5, 6, assume the positions shown in Figures 1a and2a.
- the evacuating carriage is driven by means of a motor 31, carried by the carriage 4, which drives an infinitely variable transmission 33 via a bevel drive 32.
- a chain drive 34 on the shaft of the infinitely variable transmission 33 is connected to the shaft 35 which drives, via gear wheels 36 at each end of the shaft 35, ⁇ the running wheels 1,0 for carriage ⁇ 4. 1.
- the evacuating arms 5, 6 are mounted in link pins 12 topivot onthefevaeuatingrcarrage.
- arms 13 are 'xed to theelink ⁇ pin 12 for the evacuating arms S, 6, and engaging in said arms 13 is a spring 14 which is connected to the evacuatingl carriage at 38'to drawthe-evacuatir'lgarmsi into their operative position:
- Theevacuating-armsS; ⁇ 6 ⁇ v ⁇ have rearward, extensions 15, the'ends'of lwhicharerpro-A ⁇ vided with upwardly projecting'pins' 16"having, rollers 26.
- pins 24 or the'like whichI can be insertedv in apertures- 24 ofthey evacuating carriage, andtheothercomprsing" slides 30; the-quantityof material tor'be deliveredby'th'ei evacuating armsS, 6, more particularlytlieerrrixture'raL tio of the two types of material, can be adjusted.
- pins 24' when set in theapertures. 24, extend into the path of... the extensions 15 and abut the same to limit the degree of operative movement of the arms 5, 6.
- Slittype storage chamber comprising a centralsaddle" member dividing-said chamber into compartments for stored material one on eitherside' thereof with* a' slitbetween each compartment and the saddle, evacuating; arms' a'dvanceable along the saddlebetweentlie slitsof they compartments andI movable intol and outofthetwovr compartments respectively,v each arm being pivotally* mounted and having a ⁇ rearward extension at f an angle Atu' thearm, lockingV hooks located near the rearward-extreme sions ofthe evacuatingarms and maintainedund'er spring-A tension to maintain-the evacuating armsin arl-inoperativen position, means for automatically trippingthe locking hooks at' theend ⁇ positions of the slits ⁇ to ⁇ release* the evacuation arms, and al ⁇ tension springnormally urging" the evacuating arms to operative position.
- Slit type storage chamber 1 ⁇ , characterized vby adjustable means for extendingthelower ⁇ terminus of rthe saddle downwardly'for regulatingithe height'of the slits and by individually adjustable means ⁇ for'limiting the-degree of movement of the evacuating; arms through the slits, whereby to vary thev quantity ofl material delivered by the'l evacuating arms.
- Slittype storage chamber characterized by aseries of'pin recesses in the pathofr said extensions andlabutment'members removablyl inL sertable in the recesses tovary tlieextent of movement of the evacuating armsr through the slits;
- Slit type' storage chamber according to. claim 2,1 characterized. by adjustable. slides .on the lower terminus ofthe saddle for decreasingthe. height of the slit whereby to vary the width; of 'material'of the compartmentsthat" is exposed'to the evacuation, arms frevacuation. bythe arms duringtheir advancement along the saddle.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Fiber Materials (AREA)
Description
Feb. 18, 1958 J. BUscl-IMANN smv TYPE STORAGE CHAMBER 5 Sheets-Sheet l Filed April 5. 1954 xlink Feb. 18, 1958 J. BuscHMANN SLIT TYPE STORAGE CHAMBER 5 sheets-sheet 2 Filed April 5. 1954 Feb. 18, 1958 .1. BuscHMANN SLIT TYPE STORAGE CHAMBER I5 Sheets-Sheet 3? Filed April 5, 1954 w JM i;
p .d im o d? ff United States APatent SLIT TYPE STORAGE CHAMBER Joseph Buschmann, Essen-West, Germany, assignor, by
mesne assignments, to Koppers Company, Inc., Pittsburgh, Pa., a corporation of Delaware Application April 5, 1954, Serial No. 42l,l28`
5 Claims. (Cl. 222-436) The invention relates to a slit type storage chamber with a central saddle and bearing surfaces for stored material on either side thereof, which material is delivered through one or both of a pair of slits arranged one on each side of the saddle between -the same and the bearing surfaces by means of oppositely acting pairs of pivotal diagonal evacuating arms arranged on a carriage in position for engaging upon the two bearing surfaces.
By means of a slit type storage chamber arrangement of this type, different types of material stored in two compartments on opposite sides of the central saddle can be delivered from each compartment in adjustable quantities in order to obtain a predetermined mixture ratio.
In the prior slit type storage chamber of the common assignees copending Heinz Brahmsiepe application Serial No. 412,526, tiled February 25, 1954, the quantity of material to be delivered by the evacuating arms, which act as Scrapers or plows, is regulated by means of adjusting members for the arms, and the change of position of the two pairs of evacuating arms on the carriage is effected by diagonal surfaces which are disposed on the storage chamber ends and against which the rearward extensions of the evacuating arms slide. -In this case, when the evacuating arms change from the inoperative to the operative position, it is necessary for said arms to travel a distance corresponding to their fully outward pivoted diagonal distance. However, due to the resistance of the material to the evacuating arms, only a gradual outward pivoting of the evacuating arms takes place during their change into the operative position, so that prior to the completion of their outward pivoting,l when the material is engaged, the total quantity of material intended to be delivered by them is no delivered at the ends of the storage chamber. i
The present invention continues and improves said common assignees Brahmsiepe system by providing lockinghooks which are located near the rearward extension of the evacuating arms and which are under spring tension to maintain the evacuating arms in the inoperative position and which are automatically tripped in the end position of the bunker to release the arms for movement to operative position under the action of a tension spring which adjusts itself to various operative positions ofthe evacuating arms. i
In this way, an immediate release of the said arms, whiehare locked by the locking hooks, is obtained as soon as the said arms have reached the end of the storage chamber or bunker, and preferably outside the region thereof, so that the arms can immediatelybe fully opened before engaging in the material, without having first to travel idly over a long path of theimateriahbefore becoming fully open, and the complete quantity of material intended to be delivered is thereby delivered at the beginning of the new Working movement.-
Moreover, in accordance with the invention, the rear ward extension of each evacuating arm orv plow `or scraper is arranged on an angle with the associated evacuating arm so that the extensions-of thev evacuating arms, when in their operative position, can slide over diagonal 2,823,834 Patented Feb. `18, 1958 surfaces of said Brahmsiepe application, which diagonal surfaces are disposed at the ends of the chamber to engage the locking hooks while the locking hooks are subjected to spring tension to pivot them inwards, thus causing the evacuating arms to move from the operative into, and be held in, the inoperative position, while the locking Ihooks of the evacuating arms of the other pair which are in the inoperative position abut stops disposed outside the storage chamber, to release their extensions so that the evacuating arms of the other pair move by :spring tension from inoperative into the operative position.
A further feature of the invention consists in so disposing the diagonal surfaces of said Brahmsiepe application at the end of the chamber or bunkers that they can be outwardly pivoted to one side, in order that, when the evacuating carriage makes its return movement, the inoperatively positioned evacuating arms can move the diagonal surfaces out of the way by thrusting the same aside.
IIn order to be able to adjust the mixture ratio of the quantity of material to be delivered, regulating or adjusting members are arranged according to the invention in the area of the pivotal movement of the evacuating arms, or of their rearward extensions, said adjusting members also enabling one of the two evacuating arms to be entirely lcut out of operation.
A preferred form of the invention is illustrated by way of example in the drawings, wherein:
Figures 1 and la illustrate in vertical longitudinal section the lower part of the right and left half, respectively, of a slit-type storage chamber or bunker, according to the invention;
Figures 2 and 2a are horizontal sections along the line II--II of Figures 1 and la, respectively;
4-Figure 3 is a vertical cross-section. along the line III-'III of Figure 2 on an enlarged scale;
Figure I3a is an enlarged view of a portion of Fig. 3, illustrating the slits 30 and slide members 3l) in larger scale;
Figure 4 is an enlarged view of part of Figure 2 and illustrates the evacuating arms in `their operative position together with the driving arrangement for the arms, and
Figure 5 is an enlarged view of a side elevation of the evacuating arms illustrated in Figure 4.
The storage chamber or bunker 1 has in its lower part a saddle 2, above which is disposed a vertical longitudinal wall 25 dividing the bunker into `two compartments. The material contained in each compartment rests on a bearing surface 3 and is delivered therefrom by means of the pairs of evacuating arms 5, 6 arranged on a carriage 4. The material is discharged to a conveyor belt 8 through slits 30 and a delivery funnel 7 by means of the arms 5, 6, as they ride.` along the bearing surfaces 3 when `the carriage moves alongside the slits 30'.
The evacuating carriage 4 moves on track 9 by means of running wheels 10. When the pairs of evacuating arms S, 6 are in their positions as illustrated in Figures 1 and 2, the evacuating carriage is moved to the left along the storage chamber l. in the direction of the arrow 11 and on movement in the opposite direction to the right, the pairs of arms 5, 6, assume the positions shown in Figures 1a and2a.
The evacuating carriage is driven by means of a motor 31, carried by the carriage 4, which drives an infinitely variable transmission 33 via a bevel drive 32. A chain drive 34 on the shaft of the infinitely variable transmission 33, is connected to the shaft 35 which drives, via gear wheels 36 at each end of the shaft 35, `the running wheels 1,0 for carriage` 4. 1.
The evacuating arms 5, 6 are mounted in link pins 12 topivot onthefevaeuatingrcarrage. As is more particularlyv apparent from-Figuret, arms 13 are 'xed to theelink` pin 12 for the evacuating arms S, 6, and engaging in said arms 13 is a spring 14 which is connected to the evacuatingl carriage at 38'to drawthe-evacuatir'lgarmsi into their operative position: Theevacuating-armsS;` 6`v` have rearward, extensions 15, the'ends'of lwhicharerpro-A` vided with upwardly projecting'pins' 16"having, rollers 26. When thefevacuating arms arein their inoperative'.
position,.the said'vertical'pins 16' lie close to locking hooks 17'which so hold thepins 16 thatthe evacuating arms are maintainedj in the'inopnerative positionagainst the. return action ofthe. spring 1'4,as can be seen from the position of the evacuating varms and'6' in Fig,y 221 and" Fig. 2,; respectively. The lockinggliook's 17" have arms 18', under tension ofLa spring 19 which issecured tothe. evacuatingcarriage 4 at'39; The.spring19unaif1tains the. locking hooks 17in-firm engagement. Witlithe. pins.16l
of theevacuating armsS, x6, when theyf are. inthe inoperative, position. When the evacuating .arms .are in. theopf erative position, the locking hooks4 17 bear. against a` stop 20L Disposed. at each of the. opposite endsof thestorage chamber, lare. the aforesaid Brahmsiepe diagonally ex. tending sheet metal deectors 21. whchare. suspended'on a hinge. 22 and can.therefore be outwardly pivoted; tov one side. The pins 16. with the, rollers 26. of the evacuating arms, when in the inoperative position, are moved lpast the said deflectors 21 substantially without touchingthe'.
outermost projecting ends of the deflectors.- 21. Contrary thereto, the rollers 26 of .the evacuatingarms, when.
in the operative position, ride. oni-the detlectors-.ZI` and thereby move the evacuating4 armsS, 6,- out .of..their1op,-l
erative into their inoperative position.. During-.this.0p era tion, the pins 16 come near the locking.hooks17fwhich,
due to the pins 16 slidingl over the diagonalsurface 28 of locking hooks 17, are pivoted outwards tosome extent.
and then, as a-resultof the tension off spring 19;.y surround the pins 16.
InAFigure 2a, the `position-ofxarmssS; and 6`is shown when the evacuating carriage 4lhas. moved froml its .posi
tion shown in Fig. 2 to the extreme left sutcently forthel surface 23 of arm 41 to release pins.16 of armsuifrom their hooks 17, this movement causing the.v evacuating arms 5 to change to their operative position. FromuFig.
2a it will also be apparent that the pins 16 bearing the rollers 2.6 (Figs. 3 to 5) which are.associated with.the evacuating arms 6 are at this: time restrained: bytheir locking hooks 17 to hold ythe evacuatingl armsfintheir inoperative position, for operation inevacuation during movement of the carriagetowards theright hand sideY ofA Figs: 2a and 2.
This reversal takes place at each end of Figs. 1 and la, at the instantatr which the rollers 26of'the evacuating arms 5,V 6. move away from the wider region of "the deflectors 21, vthe inoperative arms being released to operative position when rollers 29 disposed on the arms 18 of the` locking hooks 17 of the. evacuating arms 5 abut theI inclined surface 23 of a projecting arm 41 arranged ona xed wall as at 40. The members'41 (Figure 1) 'engage 29 to pivot hook 17 against spring 19 to' releaseA pin 16 from the terminal 'part 28of hook 17, so that spring 14' whichv preferably vacts uponv thev rearwardA extension V off the evacuating arms 5,' 6' andl which are, forexample,
pins 24 or the'like whichI can be insertedv in apertures- 24 ofthey evacuating carriage, andtheothercomprsing" slides 30; the-quantityof material tor'be deliveredby'th'ei evacuating armsS, 6, more particularlytlieerrrixture'raL tio of the two types of material, can be adjusted. As shown inFigs.l 3 and 4, pins 24', when set in theapertures. 24, extend into the path of... the extensions 15 and abut the same to limit the degree of operative movement of the arms 5, 6. When less material is to be scraped out through the slits 30 by the-armswS, 6, these are pivoted inwardly to bring their extensions 15.- on the` outerside of the apertures 24. A pin 24is th`en set in one of the three apertures' 24. Thusg. when the spring-s;vv 141 actitoi open arms 5, 6, outwardly,.this.outward!` movementY is limited by the inward movement of-the'extensions15being limited by the pins setin the apertures 24. Withrthree .apertures as shown, there is provided three different degrees of dischargeand one degree forno discharge by each of the arms S, 6. By means of the setting of pins 24' in one'of the apertures 424, either oneof'thetwo"evacuating arms of each pair 5, 6 can-beentirely cut 'outoffoperatiom for delivery; A regulationofthis type can alsobe effected'i by the other kind in the'formofslidemembersf30, since@ upward and downward adjustmentl of the slides` 30= peran mitmoreor less kof the fmaterial to pass; due vto theclrzmgesc in-heightofithe slit 30", as shown'in Fig. 3a.v
By'means` of theinnitely variable transmissionr'' the speed of the evacuating carriage 4, and hence the total:L quantity of material lto be delivered, can be regulated-.1'
`I'claim:
l. Slittype storage chamber comprising a centralsaddle" member dividing-said chamber into compartments for stored material one on eitherside' thereof with* a' slitbetween each compartment and the saddle, evacuating; arms' a'dvanceable along the saddlebetweentlie slitsof they compartments andI movable intol and outofthetwovr compartments respectively,v each arm being pivotally* mounted and having a` rearward extension at f an angle Atu' thearm, lockingV hooks located near the rearward-extreme sions ofthe evacuatingarms and maintainedund'er spring-A tension to maintain-the evacuating armsin arl-inoperativen position, means for automatically trippingthe locking hooks at' theend` positions of the slits` to` release* the evacuation arms, and al` tension springnormally urging" the evacuating arms to operative position.
2. Slit' type storage chamber accord-ing to' claim" l', characterizedgby diagonal surfaces disposed atth'e 'endsoff thestorage chamber in` thepath ofthe rearwardextem sions'of theevacuating arms in their operative/position; to. kactuate the rearward. extensions to move th'eirf evacu-` atingrarms out yofthe operative into the-inoperative V post tion and with simultaneous movementofftherearward'i extension intothe' locking hooks for .latchingjrelatiorr witl4 the lockinghooks, and further characterizedbythe aforce. said tripping means comprising stops disposed outside` the storagechamber at the ends of slits in'positionto abut the lockinghooks to release the. evacuating armsfr' pivoting under their spring tension into the operative position.
3. Slit type storage chamber according to claim; 1^, characterized vby adjustable means for extendingthelower` terminus of rthe saddle downwardly'for regulatingithe height'of the slits and by individually adjustable means` for'limiting the-degree of movement of the evacuating; arms through the slits, whereby to vary thev quantity ofl material delivered by the'l evacuating arms.
4. Slittype storage chamber according to. claim l, characterized by aseries of'pin recesses in the pathofr said extensions andlabutment'members removablyl inL sertable in the recesses tovary tlieextent of movement of the evacuating armsr through the slits;
5. Slit type' storage chamber. according to. claim 2,1 characterized. by adjustable. slides .on the lower terminus ofthe saddle for decreasingthe. height of the slit whereby to vary the width; of 'material'of the compartmentsthat" is exposed'to the evacuation, arms frevacuation. bythe arms duringtheir advancement along the saddle.
No references cited:
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US421128A US2823834A (en) | 1954-04-05 | 1954-04-05 | Slit type storage chamber |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US421128A US2823834A (en) | 1954-04-05 | 1954-04-05 | Slit type storage chamber |
Publications (1)
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US2823834A true US2823834A (en) | 1958-02-18 |
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US421128A Expired - Lifetime US2823834A (en) | 1954-04-05 | 1954-04-05 | Slit type storage chamber |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3077995A (en) * | 1960-02-15 | 1963-02-19 | Bateman Ltd E | Conveyor belt feeding mechanisms |
US3153494A (en) * | 1961-11-08 | 1964-10-20 | Paul E Heider | Dual hopper valve |
US3394824A (en) * | 1965-12-01 | 1968-07-30 | Badger Northland Inc | Bottom unloader for silos |
US3889826A (en) * | 1974-01-25 | 1975-06-17 | Mcnally Pittsburg Manufacturin | Reversible car plow feeder for stock pile recovery systems |
-
1954
- 1954-04-05 US US421128A patent/US2823834A/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
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None * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3077995A (en) * | 1960-02-15 | 1963-02-19 | Bateman Ltd E | Conveyor belt feeding mechanisms |
US3153494A (en) * | 1961-11-08 | 1964-10-20 | Paul E Heider | Dual hopper valve |
US3394824A (en) * | 1965-12-01 | 1968-07-30 | Badger Northland Inc | Bottom unloader for silos |
US3889826A (en) * | 1974-01-25 | 1975-06-17 | Mcnally Pittsburg Manufacturin | Reversible car plow feeder for stock pile recovery systems |
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