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Патент USA US3054371

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Sept. 18, 1962
J. w. CHRISTOFF
3,054,359
TRACK HANDLING APPARATUS FOR RAILROAD TRACKS
Filed Sept. 24, 1959
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Sept. 18, 1962
J. w. CHRISTOFF
3,054,359
TRACK HANDLING APPARATUS FOR RAILROAD TRACKS
Filed Sept. 24, 1959
4 Sheets-Sheet 2
Sept. 18, 1962
J. w. CHRISTOFF
3,054,359
TRACK HANDLING APPARATUS FOR RAILROAD TRACKS
Filed Sept. 24, 1959
4 Sheets-Sheet 3
Sept. 18, 1962
J. w. CHRISTOFF
3,054,359
TRACK HANDLING APPARATUS FOR RAILROAD TRACKS
Filed Sept. 24, 1959
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United States Patent 015
1
3,054,359
TRACK HANDLING APP
TUS FOR RAILROAD
TRA KS
3,054,359
Patented Sept. 18, 1962
2
height by this means, the under-track device is pulled
under the track again by the application of manual power.
When it is in position, the jacks are lowered to allow the
ties to come to rest on the upper runners of the under
James W. Christoif, Minneapolis, Minn., assignor to
Mannix Co. Ltd, Calgary, Alberta, Canada
Filed ‘Sept. 24, 1959, Ser. No. 842,047
2 Claims. (Cl. 104-7)
track device. The reverse operation is carried out to
remove the under-track device from beneath the track.
Ballast sled devices are similar to lballast plows in that
they are inserted between the roadbed and the ties and are
towed along in this position by a locomotive. Sleds, how
FIGURE 2 is a plan view of FIGURE 1;
FIGURE 3a is a view of the left hand end of FIGURE
1 on an enlarged scale and showing the apparatus in
ever, are used either during the laying down of new track
track elevating position;
The object of the present invention is to provide appa
ratus for carrying out this operation more conveniently
This invention relates to railroad track handling appa
and rapidly ‘and with fewer personnel, and in particular
ratus and more speci?cally to apparatus for elevating a 10 to provide apparatus capable of elevating the track and
section of railroad track and placing thereunder (or re
simultaneously exerting the necessary lateral force on the
moving therefrom) an under-track device of the ballast
under-track device to pull it under (or out from under)
sled or ballast plow type.
the track.
Ballast plows are employed for removing fouled ballast
For convenience, the apparatus of the present invention
from a railroad roadbed. A plow is inserted between 15 which performs the functions just described is incorpo
the roadbed and the ties to which the track rails are se
rated in the same structure with track aligning apparatus
cured and is then towed along the track in this position
of the type illustrated in J. W. Christoff US. patent appli
by a locomotive. As the plow progresses, it raises the
cation Serial No. 777,389, ?led December 1, 1958, to
which reference is directed for a general description of
ties from the roadbed ahead of it, supports the ties and
the rails secured thereto as the device passes underneath, 20 the manner in which such track aligning apparatus may
and ?nally allows the track to settle back onto the road
be used to cooperate with an under-track device to effect
bed or “sub-grade” behind the device. The weight of
automatic alignment of the track as it resettles on the
the ties and rails supported by the plow is considerable
ballast or sub-grade rearwardly of the under-track device
during a sledding or plowing operation.
‘and the plow is therefore pressed ?rmly down against
the ballast. By providing the plow ‘with one or more 25
The various features of the invention will become ap
scraper blades it is possible to separate either the full
parent from the description which follows and from the
appended claims. To support the description, attention
depth of ballast or a layer of ballast of chosen depth and
is directed to the accompanying drawings, in which:
displace this ballast to the side of the track beyond the
FIGURE 1 shows a general side view of apparatus
ends of the ties, so that when the ties resettle, this dis
placed ballast can be readily removed.
constructed in accordance with the present invention;
or to perform a reballasting operation following the pull 35
FIGURE 3b is a continuation of FIGURE 3a and
shows the parts seen in the right hand portion of FIGURE
ing of a ballast plow in the manner just described. After
1 also in track elevating position;
the plow has removed the fouled ballast, or, in the case
of a new track laid directly on the sub-grade, after the
FIGURE 4 is a section on IV—-—IV in FIGURE 3a;
FIGURE 5 is a central transverse section on the appa
track has been so laid, fresh clean ballast is dumped onto
the track to lie on top of the ties and rails. The function 40 ratus showing the same in track elevating position and
further illustrating the pulling of an under-track device
of the ballast sled is to raise the ties up to their desired
into position vunder the track;
level and distribute the ballast evenly beneath them. Sub
sequently, additional ballast will normally be dumped on
the track between each pair of adjacent ties, this latter
operation usually being carried out manually, since it does
not require raising of the track.
A typical sled device of this type is illustrated in L. B.
Franco US. Patent No. 2,769,172, issued October 30,
1956, and a typical such plow device is illustrated in L. B.
Franco and J. C. Stein US. Patent No. 2,921,390, issued
January 19,, 1960.
Before such a ballast plow or a ballast sled (herein
after referred to generically as an “under-track device”)
can be pulledalong in the manner just described, it has to
be inserted under the track. By the same token, after
the operation is complete, the under-track device must be
removed from beneath the track. This will require rais
FIGURE 6 is a view similar to FIGURE 5 but illustrat
ing the removal of the under-track device from beneath
the track; and
FIGURE 7 is a view similar to FIGURE 1 but addi
tionally showing the apparatus ?nally connected up to
the under-track device for the carrying out of a ballast
handling operation.
Referring ?rstly to FIGURES 1 and 2, the apparatus
will be seen to consist of a main rigid beam 20 connected
at its ‘respective ends to a front cart 21 and a rear cart
22 and carrying a liner head assembly 23. The detailed
structure of these carts and the liner head assembly is
described and illustrated fully in said earlier application
Serial No. 777,389, and will not therefore be repeated
ing of the track so that the under-track device can be
in the present speci?cation since such details are not ger
mane to the present inventive advance. Suf?ce to say for
moved in from the side of the track to its required posi
tion beneath the track. Hitherto, this operation has been
cart 21 consists of a ?at framework 30 carrying a ?anged
wheel 33 at each of its four corners. A ?xed disc se
carried out by means of a number of individual lifting
the purposes of the present speci?cation that the front
jacks positioned and operated manually by the track
cured to the framework 30 serves as a bearing for a
superposed disc 36 mounted on a central stub shaft to
crew.
rotate freely on the base disc about a vertical axis passing
Once the track has been elevated to a sui?cient
3,054,359
3
through the centre of the cart 21. Secured to the upper
face of the disc 36 is a frame 37 upon which a pair of
upstanding arms '52 are pivotally mounted. The frame
37 also carries a double acting hydraulic cylinder 43, the
piston rod 46 of which is connected to the arms 52 to
4
lowered or operative condition in FIGURES 3 and 4.
Each dog includes a hooked end portion 309 adapted to
?t beneath the under surface of a rail. A chain 310 is
used to secure each of the dogs 307 when in its inoperative
condition.
On each side of the beam 20, approximately equidistant
control the pivotal movement thereof (compare FIG
URES 1 and 7).
A transversely extending tubular yoke 55 is slidably
from the front and rear carts, there is secured a movable
end, the yoke 55 is provided with a downwardly projecting
position in which it projects transversely outwardly from
boom 311. The foot of each of these booms is pivotally
mounted by a bracket 312 so that the boom is movable be
mounted in a pair of sleeves 54 that are respectively
mounted on the free ends of arms 52, such transverse 10 tween a vertical stowed or inoperative position in which
it is secured by a chain 313 and a horizontal or operative
motion being under the control of a handle 63. At each
extension in the form of a leg 64 terminating in a hori
zontal plate 65 which cooperates with a second plate 66
the beam 20 to a position substantially beyond a lateral
edge of the track, that is beyond the ends of the ties as
pivotally secured thereto to establish connection with 15 shown in FIGURES 5 and 6. In this operative position,
rigging cables 314 limit the downward pivoting move
the towing ears of an under-track device, as later described
ment of each boom, such cables being secured at their
in connection with FIGURE 7. Centrally of the yoke
inner ends to a superstructure 315 mounted on the beam
55 and between the two sleeve 54 there is mounted a fur
20. A power operated winch 316 is provided, driven by
ther sleeve 69 which is normally ?xed in position on the
tubular yoke 55 both in respect of translation and rota 20 a gasoline engine 317, such winch having two drums which
tion. The ?xed sleeve 69 is pivotally connected by pin
73 to the forward end of the beam 20.
The rear cart 22 is generally similar in design to the
have wound on them respectively cable 318 and 319 ex
tending each to a block 320 secured to the end of a respec
tive boom 311. As well as supplying power to the winch
316 the engine 317 operates a pump for generating hy
front cart 21 although somewhat simpli?ed. It consists
of a framework 80 carrying ?anged wheels 83 similar to 25 draulic pressure for operation of the hydraulic cylinders
the corresponding parts of the front cart. Upwardly pro
43, 93, -142 and 304 already described. Additionally, the
jecting pivotally mounted arms 86 are interconnected at
their free ends by member 88, the centre of which mounts
a freelyrpivotable sleeve 100 to which the rear end of the
front cart 21 is preferably ?tted with a hydraulic motor
draulic cylinder 93.
for operation of the various instrumentalities by an op
321 for driving at least one of the wheels 33 so that the
whole apparatus can be self-propelled on a section of track
beam 20 is pivotally connected by pin 102. Movement 30 when it is not in use or is being manoeuvred into position
for use. Controls shown generally at 322 are provided
of the arms 86 is under the control of a double acting hy
along beam 20 from the front cart 21 to the rear cart 22
erator who sits at 323.
When it is desired to place an under-track device be
the circumstances), there is mounted a liner head as
sembly 23. The assembly consists of a framework 122
have been prepositioned (as by unloading from a ?at car)
At a point approximately two-thirds of the distance
(although this position may be varied asrequiredto suit 35 neath the track, the track elevating apparatus is brought to
carrying rectangularly disposed freely pivotally mounted
rail-engaging wheels 132, 133, 134 and 135. The wheels
a position adjacent the under-track device 150 which will
at the side of the track. The four rail-engaging dogs 307
are then lowered into position to grip the under sides of
132 and 134 on one side of the device are mounted in 40 the two rails near the forward and rear ends of the ap
?xed position while the wheels 133 and 135 on the other
side of the assembly are mounted for adjustment towards
the way from the ?rst pair of wheels. Each of the wheels
132 to 135, is formed with a wide horizontally extending
flange for resting on the upper surface of the head of a
rail, and a shoulder for bearing against the vertical inside
surface of the head of a rail. Framework 122 is free to
pivot about a horizontal axis 117 as well as about a vertical
paratus. The four hydraulic cylinders 304 are then op
erated to force down the rams 302 of the lifting jacks and
thus raise the track 160. This operation is continued
until the track occupies the position seen in FIGURES
3 to 6 when it is elevated to an extent su?icient to leave
enough space under the track for introduction of the
under-track device 150 on the uneven bed of ballast 161
which the track has just vacated. The liner head asem
bly framework 122 is raised to its maximum elevation
axis de?ned by the piston rod 141 of a hydraulic cylinder
50 during this time (see FIGURE 3) to ensure that it does
142 employed for elevating the linear head assembly.
not engage the rails. The boom 311 on the side of the ar
Near each end of the beam 20 and ?rmly secured thereto
paratus opposite to that on which the under-track device
by. frameworks 300 is a pair of lifting jacks 301, one such
150 is located is now lowered into its operative position
pair of jacks 301 being positioned just rearwardly of the
as shown in FIGURE 5 and the cable 318 is secured to a
liner head assembly 23 and the other pair near the forward
cleat 159 provided generally centrally on the upper plate
end of the beam, somewhat rearwardly of the front cart
of the under-track deviceg150. The appropriate drum of
the winch 316 is then engaged to tension and haul in cable
318 so that the under-track device 150 is pulled under the
works 300 in laterally projecting positions to be disposed
track to the required position.
outwardly of the rails of the track. As can be better seen
The jacks are then slowly operated to move their
from FIGURES 3a, 3b and 4, each jack 301 consists of a 60
rams to the withdrawn position causing the track to set
ram 302 that can slide within a ?xed tube 303. These ram
tle ‘gently down on top of the under-track device 150.
and tube assemblies are of comparatively large diameter
As soon as the jacks no longer take the weight of the
to afford substantial lateral stability. Associated with each
track, the dogs 307 can be disengaged from the track,
of the ram and tube assemblies is a double acting hy
draulic cylinder 304 secured to thetube 303 and having 65 whereupon the operation is completed by securing dogs
‘307 and booms 311 in stowed position and fully with
a piston rod 305 the outer end of which is secured to the
drawing rams 302 upwardly. The apparatus is then
outer end of the ram 302 which carries a foot plate 306
moved rearwardly along the track to bring its front cart
for contact with the roadbed; FIGURES l and 7 show
21 approximately over the under-track device 150. At
the rams of the lifting jacks in their withdrawn position,
21. The individual jacks of each pair are spaced apart
transversely of the beam 20 and are located by the frame
' while FIGURES 3 and 4 show them in their projecting, 70 tention is directed to FIGURE 7.
track-elevating position. Associated with each of these
jacks is a rail-engaging dog 307 which is pivotally mounted
Plates 65 and 66 at
the foot of each leg 64 are now clamped together over
the respective towing ears 164 of the under-track device
on a bracket 308 secured to the beam 20 adjacent the as
and are maintained in this position by a bolt and nut as—
sembly. When the apparatus above the track has thus
sociated jack. These dogs 307 are shown in their stowed,
inoperative condition in FIGURES 1 and 2, and in their 75 been securely hitched to the device beneath the track,
3,054,359
cylinder 43 (whose rod 46 has been extended during the
hitching operation) is operated to withdraw its rod 46
somewhat. This action has the e?ect of attempting to
6
pull upwardly on the legs 64 and hence on the under
I claim:
1. Apparatus for elevating a section of railroad track
and for dragging an under-track device transversely of
said track between a position beside said track and a
track device. The latter is not free to rise so that the
true effect is a downward thrust on the front cart 21
position centrally beneath said track, said under-track
device being of the type constructed to be drawn along
forcing its wheels 33 into very ?rm engagement with the
between the ties and the road bed while supporting a
rails of the track. The amount of this pressure of the
span of track, said apparatus comprising an elongated
front cart .21 downwardly on the rails will be set to the
beam, cart means having rail-engaging wheels, said cart
desired value by control of the cylinder 43. A locomotive 10 means being connected to said beam at longitudinally
is now positioned to pull the under-track device 150
spaced-apart locations thereon for supporting said beam
(which has been shown as a ballast plow) by cables 151
for travel along said track, a plurality of lifting jacks se
in the manner fully described in said application Serial
cured to said beam and each including a ram movable
No. 777,389, the apparatus above the track being drawn
into an extended position for engaging the roadbed out
along with the front cart 21 remaining above the under 15 wardly of the rails of the track for elevating said beam,
track device. The liner head assembly 23 is now em
said jacks being disposed in spaced-apart relation to one
ployed to perform the track aligning function which forms
another in both the longitudinal and transverse directions
the subject matter of the claims of said application Serial
of said beam, a plurality of track-engaging devices
No. 777,389, and of which no further description is be
mounted on said beam in spaced-apart relation to one an
lieved necessary herein.
20 other longitudinally of said beam, each track-engaging
After the ballast has been plowed out and the under
device being movable between an inoperative condition
track device is to be removed, the boom 311 on the same
in which it is disengaged from said track and an opera
side of the track as that to which the device is to be
tive condition in which it engages said track to support
moved is lowered and its cable secured to the cleat .159.
the same beneath the beam when the latter is elevated,
This operation is shown in FIGURE 6. The appropriate 25 a boom mounted on said beam longitudinally intermedi
drum of the winch 316 is then engaged and the device
ate said spaced-apart lifting jacks to be movable between
drawn out.
an inoperative, stowed condition and an operative condi
It should be explained that under-track devices of the
tion in which it projects transversely outwardly from the
types now being used on mainline railroads comprise a
beam substantially beyond a ?rst lateral edge of the track,
substantial mass of metal and are consequently heavy 30 power operated cable hauling means mounted on said
and cumbersome to move. This particularly applies to
beam and a cable in driven engagement with said cable
the type of under-track plow referred to as a double
hauling means and extending to the projecting end of
track plow which de?ects all the ballast to one side of
said boom and thence beneath a section of track elevated
the track.
For descriptions of such plows, reference
by said jacks and track-engaging devices for connection
may be had to J. W. Christoff copending US. patent ap
35 to a said under-track device situated beside the other
plication Serial Nos. 668,483 (Patent No. 2,924,897)
lateral edge of said track to exert a force on said device
in the transverse direction of the track su?icient to drag
it into central position beneath said section of elevated
and 749,740, ?led June 27, 1957 and July 21, 1958 re
spectively. These under-track devices are necessarily
so massive that the line pull on the cable in drawing such
track, said jacks being spaced apart su?iciently in the
a device under the track or out from under the track will 40 longitudinal direction of the beam to allow the under
typically be of the order of twelve tons. If a force of
this order were exerted on a rigid structure of the size
track device to be moved between the jacks under the
track.
2. Apparatus for elevating a section of railroad track
and for dragging an under-track device transversely of
and weight of the present apparatus and which simply
rested on the ground at four points, the feet of the jack
rams, without any other stabilizing in?uence being present, 45 said track between a position beside said track and a
the structure would immediately be tilted over. =In other
position centrally beneath said track, said under-track
words, such a structure could not exert so great a pull.
device being of the type constructed to be drawn along
The only way in which it could be made to do so would
between the ties and the roadbed while supporting a span
be by greatly increasing its mass which would clearly
of track, said apparatus comprising an elongated beam,
be most undesirable. The reason why such a ‘tilting of 50 cart means having rail-engaging wheels, said cart means
the present apparatus does not take place resides in the
being connected to said beam at longitudinally spaced
holding down e?fect of the track. Although initially the
apparatus serves to raise and hold up the track, as soon
as a heavy line pull is exerted on one of the cables, the
effect on the side of the apparatus which would tend to
lift as a result of such cable tension is that the weight
apart locations thereon ‘for supporting said beam for
travel along said track, four lifting jacks secured to
said beam and arranged in pairs thereon, the jacks of
each pair being spaced apart from one another trans
versely of the beam and the pairs being spaced apart from
one another longitudinally of the beam, each saidv jack
and rigidity of the track in fact holds down such side of
the apparatus.
including a ram movable into an extended position for
011 the other hand, if such force, or even a very much
smaller force were exerted laterally on the track itself,
for elevating said beam, four track-engaging devices
it would immediately be pulled out of alignment. No
great force is needed to upset the track alignment, espe
cially when it is raised out of the ballast.
Thus, the track elevating apparatus alone does not ex
hibit su?icient resistance against tilting, while the track
alone provides little or no resistance against local trans
verse movement (loss of alignment). Yet, together, the
engaging the roadbed outwardly of the rails of the track
mounted on said beam, each said track-engaging device
being associated with and positioned in the vicinity of a
said jack, each said track-engaging device being mova
ble between an inoperative condition in which it is dis
engaged from said track and an operative condition in
which it engages said track to support the same beneath
tion which is resistant against both tilting and transverse
movement, and which is thus able to exert the high forces
the beam when the latter is elevated by said jacks, a
pair of booms mounted on said beam longitudinally inter
mediate said pairs of jacks and situated each on a respec
tive side of said beam, each such boom being movable
needed to move an under-track device without danger of
between an inoperative, stowed condition and an opera
tipping over and without the disadvantage of setting up
any misalignment of the track. The track and the ap
paratus thus combine to provide a result that neither
tive condition in which it projects transversely outwardly
from the beam substantially beyond a respective lateral
edge of the track, power operated cable hauling means
apparatus and the track provide a very stable combina
alone can furnish even in part.
75 mounted on said beam and a cable in driven engagement
3,054,359
7
with said cable hauling means and extending to the pro
jecting end of each said boom and thence beneath a
section of track elevated by said jacks and track-engag
ing devices for connection to a said under-track device
situated beside the remote lateral edge of said track or 5
under said track to exert a force on said device in the
transverse direction of the track su?icient to drag it in
one direction or the other between its two said positions
beside or beneath said section of elevated track, said
8
direction of vthe beam to allow the under-track device
to be moved between the jacks under the track.
References Cited in the ?le of this patent
UNITED STATES PATENTS
2,052,468
Holt et al _____________ __ Aug. 25, 1936
2,693,769
Herlehy ______________ __ Nov. 9, 1954
2,734,463
Hursh et a1 ___________ __ Feb. 14, 1956
Yohe _______________ _... Feb. 28, 1956
jacks being spaced apart su?iciently in the longitudinal 10 2,736,268
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