close

Вход

Забыли?

вход по аккаунту

?

Патент USA US2411685

код для вставки
NOViZG, 1,546.
~
c_ w_ HOLLAND
2,411,685
‘DREDGING DEVICE
Filed Dec. 4, 1944
5 Sheets-Sheet 1
@545. /.
,,
2
/0
// //
It m
L
Inventor
4 a”) WHO/@762 ‘ I
By
WWW 152%?”
'NOV. 26, 1946 »
c_ w_ HOLLAND
2,411,685
DREDGING ‘DEVICE
Filed Dec. 4, 1944
/7
V
'
>
5 Sheets-Sheet 2
‘
“7
/7
/7
Inventor '
J
1/” '
,
Uar/ Wzyo/kz/mf
WWW
Nov. 26, 1946.
c, w, HOLLAND
2,411,685
DREDGING DEVICE
Filed Dec. 4, 1944
3 Sheets-Sheet 5
Inventor
Patented Nov. 26,1946
2,411,685
-
2,411,685‘
'
_
i
-
_
DREDGING DEVICE
I
I‘
7 Carl
Holland; Seattle, Wash.
I
Application December 4, 1944,» Serial No. 566,586
r. 5 Claims. (01. 37-189)
2
,
,
A
r
.
This invention relates to ‘dredging devices, and
has more particular reference'to van improved
_' ings provided in the interm ediate portion of frame
dredging device of thetype shownin the U,‘ S._
are of the double type. A cable Mextends from
8 inwardly ofvthe pulleys I2, and the pulleys I2
patent to Emil (Q. WagnerMNo. 1,822,181, dated
September 8, 1931.‘v
,
'
QM: f
» ,
,
a distant winding drum I5, as shown in vFigure .5,
». and around 'a- guide pulley I6, thenlunder one '
'
QThe primary object ofthepresent inventionis
pulley I3; laterally. to the adjacent side of frame '
8. and over a pulley I2, then downwardly and
to provide a dredging device of the above kind
in which the suspension cable for the device is
used to directly rotate the buckets so that sprocket
around the pulley II at the adjacent side of
the frame, then upwardly rover the-mentioned
or like gearings betweenthe-buckets and a shaft 1.0; pulley I2, then to the opposite side of the frame
8 and over the other pulley I2, then downwardly=
rotated by the cable'are eliminated.
’
A further object 'of the present invention is
the cable andretainthe receiver in receiving
and‘ around. the other pulleyv I I, thenrupwardlyl
over thesecondfnamed pulley I2, then under the
other pulley I3 and over another guide pulley
or dumping position when slack is provided in
the cable bythe device striking the bed of the
1 Ilia to a second winding drum I511; The guide
pulleys I6 and I6a may be carried by the boom
‘to provide brakes adapted to automatically grip
river, or‘the like.
‘
of'the dredge, and it will .thusbe seen that the
c
v A ‘further object 'of} the invention is to generally
improve and simplify'the construction of dredg
ing devices of the above kind.
7
cable , I4 serves-both as a suspension cable» for
the dredging device and ‘a driving cable for the
20. buckets.
The present invention consists in the my
form, combination and/arrangement of parts
As the cable I4 passes around the‘
pulleys I I, the buckets, are directly. driven there
by so‘ as to eliminate any sprocketgearings be-V
hereinafter more fully described, shownin the
tween the‘ buckets and a. counter, shaft. driven.
accompanying drawings andtclaimed.‘
by the. suspension cable. '-
,
,
,
vIn the drawings, wherein like reference char
acters indicate corresponding parts throughout
theseveral
views:
.
’
'
,
"
'
,
_ Figure 1 is a side elevational_view,partly broken
p
‘ .‘ ~
‘
'_
‘
'
.
‘ Stop members I‘! are secured to the outerfsides’
of the legs of frame8 above. and below the‘shaft
' ‘I and'to one side of the axis-‘of the latter. v‘Fixed
away‘and in section, of a dredging device con
to and rotatable with the shaft ‘I are arms I8 re.
spectively engagea-ble‘ with the stop members I‘!
structed in accordan‘ce?with the present inven
that are located above the shaft .1. when the re
tion'
c
,
it
_
,
,
.
a
V " Figure 2‘ is a substantiallypentral vertical‘ sec
tion taken’ on line 2—2 of Figure 1.,, '
‘,‘TFigure 3 is a fragmentarylvertical transverse ‘
section takenfon‘ line 3-33 of Figure 2.
,
v
. r T Figure 4 , is a" fragmentary?viewv showing one ;of
'thevbrakes in applied, position” I
‘Figure 5 is a diagrammatic view sowing the
ceiver is in receiving position with its opening 6
at the top, as’ shownin Figure l, and with the
stop members I‘! which are below ‘the shaft-<1‘
Whenlthefreceiver is disposed in, dumping posi
tion [with its copenings? ‘at the bottom, as shown
in‘Figure'3.
’
"
'
Thearrangement ‘is such that whenthe cable
is wound: on'the drum l5a and ‘simultaneously
cable, guides ja'nd'pulleys, and ,illustrating " the '
manner in whichthe device is operated,"
,7
unwound'f from drum .'I 5, t the ' pulleys "I‘I ‘will'be
Referring in detail 'to the drawings, the present
rotation of, thebucket's, as viewed in Figures 1,
and 3. When this takes place, the receivertis ro
7 dredging device includesa cylindrical receiver 5
having an opening‘ 6; in its peripheral wall‘. " The
receiver 5 has anjaxial horizontaljsh'aft 11 whose
projecting _ ends are journalecl .in ‘the legs ‘of ‘an
inverted ‘U —shaped frame 8., ,‘Discs 9 are friction
ally rotatably.v mounted Tonthe shaft 'lbetwee'n
the ends of the "receiver Stand thellegs of frame
8;.and these discscarry a circular series of buck
driven in adirection to cause counterclockwise.
tated tov the receiving position‘ of Figure 1 dueto‘v
the frictional engagementof discs 9 andpull'eys
I I with‘ shaft, ‘I, the‘ receiver being stopped in
SuchQreCeiVing positionfby'engagement of the
armsjlll'with the upperstops I‘L' Upon continued . :
rotation of theibuckets, they will scoop the ma-_l .
terial at the bottom ofthe device and will dump"
ets'IIl arranged ‘near 'andj‘rotatable aboutthe 50 the ‘scooped material into the receiver ‘through its
receiver 5. “Pulleys II are ?xed’to the outer sides
openingé? at‘ the ‘,top of thedevicefDumping ofvv
of the -discsr9,and guide pulleys I I2 are mounted
' the l'receiver is‘ effected-by rotating the 'bucket‘sfinl
on and disposed at the ‘inner, sides of the legs of ' , a‘clockwi'se direction, as’view'ed in Figures 1 and 3,
at which time the cable I4 is wound on drum I5, 7
Further guide pulleys I3’ are'journaled in open-Y 55 and unwound from drum I5a, thereby reversing
frame 8 above the pulleys II and buckets I0.
2,411,685
I
3
4
being open at the side next to the receiver, a
support for the receiver permitting its free oscil
lation about its axis, suspension means for the
device including a single cable passing about said
pulleys for revolving the buckets in either direc
tion and by frictional engagement tending to
rotate the receiver in like directions, and stop
the direction of travel of the cable. Due to the
frictional engagement between the discs 9 and
pulleys l I with shaft 1, this rotation of the buck
ets will be transmitted to the receiver until the
latter moves from the receiving position of Figure
l to the sumping position of Figure 3. In the
dumping position, the opening 6 is located at the
means limiting rotary movement of the receiver
bottom of the device and the material freely ?ows
by gravity from the receiver 5 through the open
to positions wherein the opening is uppermost
ing 6 of the receiver.
and lowermost, respectively, '
‘
t
>
~
A dredging device'comprisihg a cylindrical
A pair of spring-applied, substantially C-shaped
receiver having an opening in its periphery,
brakes i9 are pivoted in the frame 8 outwardly
buckets revoluble about and substantially in con
of the pulleys i3, and disposed between the upper '
.tact. with the periphery of the receiver, pulleys
arms of these brakes is a block 20 carried bythe
frame 8. The runs of the cable I4 pass between 15 connected to the buckets and operable to revolve
the latter, said buckets being open at the side
opposite sides of the block 29 and the upper arms
next. to the receivena support for the receiver
of the brakes l9, and the lower. arms of said,v
permitting its free oscillation about its axis, sus
brakes carry rollers 2| which bear upon the cable
pension means for the device including a cable
I4 at points between the. rollers l2 and lit. The
arrangement is such that when the cable I4 is 20 passing about said pulleys for revolving the buck
ets in either direction and by» frictional en
placed ina tautlconolitiori, it ‘will rock the brakes
gagement tending to "rotate the receiver in like
l9 against the action of their actuating. springs
directions, stop; means. limiting rotary movement
22 so as to release the upper arms of the’ brakes
19 from the cable. On the-other hand, when slack
of the-receiver‘ to positions wherein the open
is presentedv in the cableld, the springs 22 will 25 ing is uppermost and lowermost, respectively,
rockthe brakes
and spring-applied brakes for preventing the pro- '
E9- in‘ a direction‘ to cause
vision of undue slack in those portions of the
cable passing around the'pulleys when the cable
is provided with slack directly above said support,
said brakes being associated with said cable so
as to be released by the latter when said cable
their upper-ends to bind the cable l5 against
opposite sides of‘ the block 25 and retain
the cable in engagement with‘ the pulleys H.
Thus, movement of the cable ‘and rotation of ‘the 30
buckets and receiver is prevented whenslack is
provided in the cable, thereby insuring reten
is placed in a taut condition.
4. A dredging device comprising a, cylindrical
receiver having an opening in its periphery and
tion of the receiver inreceiving or dumping posi
tion until such'slack is removed from the cable.
This is'desirable when the'slack is caused by the 35 provided with a horizontal axial shaft, a frame
in which said‘ shaft is journaled, discs provided
dredging device striking the bed‘ of the river or
the like.
with pulleys and, rotatable on and'having fric
It will be noted that as soon as the
tional engagement with said shaft; buckets car
winding‘of cable M begins, the slack is removed
from the cable and‘the brakes are released so as
to permit'driving 0f the buckets.
'
ried by said discs and revoluble about and sub
40 stantially in contact with the periphery‘ of the
'
receiver, said buckets being open; at the side next
to the receiver, a suspension cable for the device
‘From thejforegoing description, it' is believed
that the construction and operation, as well as
passing around said pulleys for‘ revolving the
buckets in either directionand by, the frictional
engagement of ‘the ‘discs with the shaft tending
the advantages of the present invention; will‘be
readily understood and appreciated by those
skilled in the‘ art. Minor changes maybe made
in details of construction‘ illustrated and de
scribed,;such as fairly falliwithin the spirit and
scope'of the invention as claimed.
What‘I claim is:
'
'
'
"
'
j
to rotate the receiver in like directions,_and stop
means limiting rotary movement. of the‘receiver
to positions wherein the opening is uppermost
and lowermost, respectively,‘
‘
~
1'. A dredging device‘comprising a cylindrical
5. A dredging device comprising a ‘cylindrical
receiver having a horizontal axial‘ shaft provided
withprojecting ‘ends, a" frame in which‘the ends
receiver having an opening in its periphery‘and
provided with ahorizontal'axialshaft, a frame in
which said shaft isfjournaled, .discs'provided‘ with
pulleys and rotatable on andfhaving'frictional
of said shaft arejournal'ed, said receiver-further
having an vopening in its periphery, discs'pro
vided‘ with pulleys and rotatable “on but having
engagement.~ with said shaft, buckets carriedby
said discs'and revolublej about "and substantially
frictional engagement with the shaft,"buckets
carried by said discs'and‘ revoluble 'about‘and
in-contact with the periphery. of the receiver, said
buckets being open at the side nextto there
substantially'in contact with the periphery of
the receivenjmeans'to- ‘suspend the device and
revolve the buckets in either direction including
a single‘ cable passing ‘around said pulleys, and
s‘topy'means limiting rotary movement of the ‘re
ceiver to positions’wherein the opening is upper
most and lowermost, respectively.
' '
'
‘
2. A'dredging device comprising a cylindrical
receiver ‘having an opening‘ 'inits periphery, a
bucket unit including rigidly connected buckets
revoluble about and substantially in'contactwith
60
ceiver,'a suspension cable for, the, device passing
around said pulleyslfor' revolving the buckets‘ in
eitherv direction and by the‘ frictional engage,
me'nt'of the discs with the shaft tendingto ro
tate the receiver in like, directions, and stop
I means limiting rotary movement of the receiver
to ‘positions whereinthe opening is uppermost and
lowermost, respectively, said stop means includ
ing stop members ?xed to the frame. above and
below the shaft and arms ‘carried by?and rotatable
with the shaft and alternately eng‘ag'eable with
the periphery of theireceiver, pulleys ?xed to
the ends ‘ofthe bucket unit and 'operable‘togre-v 70 the stop memberspabove and below "the shaft.v
volve‘ the latter, said pulleys being coaxial with
the receiver and thejbucketjunit, said buckets
CABLIWQHOILANDJ _,
Документ
Категория
Без категории
Просмотров
0
Размер файла
455 Кб
Теги
1/--страниц
Пожаловаться на содержимое документа