CA1062082A - Ballast cleaning device - Google Patents
Ballast cleaning deviceInfo
- Publication number
- CA1062082A CA1062082A CA248,893A CA248893A CA1062082A CA 1062082 A CA1062082 A CA 1062082A CA 248893 A CA248893 A CA 248893A CA 1062082 A CA1062082 A CA 1062082A
- Authority
- CA
- Canada
- Prior art keywords
- hopper
- ballast
- gravel
- track bed
- cleaning
- 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
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B27/00—Placing, renewing, working, cleaning, or taking-up the ballast, with or without concurrent work on the track; Devices therefor; Packing sleepers
- E01B27/06—Renewing or cleaning the ballast in situ, with or without concurrent work on the track
- E01B27/10—Renewing or cleaning the ballast in situ, with or without concurrent work on the track without taking-up track
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B27/00—Placing, renewing, working, cleaning, or taking-up the ballast, with or without concurrent work on the track; Devices therefor; Packing sleepers
- E01B27/02—Placing the ballast; Making ballastway; Redistributing ballasting material; Machines or devices therefor; Levelling means
- E01B27/022—Placing the ballast; Making ballastway; Redistributing ballasting material; Machines or devices therefor; Levelling means by devices moving on the track with or without spreading or levelling
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
ABSTRACT OF THE DISCLOSURE
The invention relates to ballast cleaning devices for railway track beds. In known devices the cleaned gravel is returned to the track bed on suitable conveyors but problems occur when heretofore known machines had to stop their forward progress along the track resulting in irregula-rities in the rate of delivery of the cleaned gravel. The invention provides a distribution hopper for the cleaned gravel, which hopper has at least two openings in its base portions which extend parallel to the direction of the movement of the machine, the hopper having a capacity capable of receiving all of the gravel being treated at one time by the machine. In this fashion when the machine stops its forward progress the hopper can receive and store the gravel being processed at that time and distributed evenly back to the track bed.
The invention relates to ballast cleaning devices for railway track beds. In known devices the cleaned gravel is returned to the track bed on suitable conveyors but problems occur when heretofore known machines had to stop their forward progress along the track resulting in irregula-rities in the rate of delivery of the cleaned gravel. The invention provides a distribution hopper for the cleaned gravel, which hopper has at least two openings in its base portions which extend parallel to the direction of the movement of the machine, the hopper having a capacity capable of receiving all of the gravel being treated at one time by the machine. In this fashion when the machine stops its forward progress the hopper can receive and store the gravel being processed at that time and distributed evenly back to the track bed.
Description
1()6;~
The present invention relates to a device for cleaning gravel, more particularly, for cleaning the gravel utilised as ballast on railway track beds.
Devices for cleaning the gravel utilised on railway track beds are known. In one known device, the gravel is first extracted from the track bed by suitable extraction means, is cleaned by suitable cleaning ;
means such as sieves and is finally returned to the track bed by distributor devices. These known distributor devices often incorporate means for re- ~-taining any gravel which is surplus to requirements. -Such a device also includes suitable conveyors for transferring the gravel to each stage in the cleaning process.
In such known machines, the extraction means are generally in the form of a scoop located on an endless chain, the scoop being located, in use, below the level of the rails and ties of the railway. The device is mounted on wheels so as to be movable along the railway lines. This .
movement of the device along the track, together with the movement of the scoop and its associated chain, permits removal of the gravel from the track bed.
The time lapse between extraction of the gravel from the track bed and the return of the same gravel, duly cleaned to the track bed is obviously dependent upon the length of the conveying devices between the extraction and cleaning means, and the cleaning and distribution means respectively, and upon the speed at which the gravel is conveyed by the conveying devices.
If the travel of the device is arrested for any reason, the scoop no longer extracts gravel from the track bed, but any gravel already extracted and which is being treated will continue to be treated and will be returned to the track bed. Accordingly, a relatively large quantity of gravel may accumulate on the track bed immediately below the stationary distribution means.
1 - aag~
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Moreover, when the travel of the device recommences, the gravel collected has to complete a full treatment cycle before being returned to the track. In this treatment time, the device traverses a length of i trac~. Obviously, this length of track remains denuded of gravel.
This is a disadvantage, since it is necessary to use extra labour for removing the accumulation of gravel produced when the device stops and the re-distribution thereof over the length of track which has remained denuded of gravel when the device re-starts.
In an attempt to overcome the above-mentioned disadvantage some clearing devices have been provided with a retaining member in which the gravel already being treated when the device stops travelling is prevented from returning to the track bed. This member is generally in the form of a silo located between the cleaning means and the distributing means, as near as possible to the latter. The silo is provided in its base with a shutter which closes when the travel of the device is halted and which opens to permit the retained gravel to flow out when the device re-commences to move.
However, the installation of this additional member has the disadvantage that the silo is bulky and an inevitable loss of gravel takes place on the conveyor provided between the silo and the distribution means.
The conveyor device, which may be arranged transversely to the track, causes, even if on a minor scale, the problem of an accumu-lation of gravel ol. the trzck bed when the machine is stopped.
Other cleaning machines are known in which, in order to avoid irregularities in the rate of delivery of gravel a collection device is provided, which is located directly beneath the conveyor means connected to the distribution means.
This collection device comprises two compartments which are dis-posed one behind the other in the longitudinal direction of the track.
One compartment has a continuous passage extending therethrough and the . . .
- . . : . , : . .
i ~ 82 .
other compartment is in the form of a silo having a base that can be opened.
In the event of excess gravel being received shutters installed in the dis-tribution conveyor at the level of the silo compartment deflects either partially or totally, the flow of gravel into the silo compartment.
In the event of the distribution means supplying insufficient gravel to the track, the gravel collected in the silo compartment may be distributed over the track. -However, such devices are complicated and expensive since they necessitate the use of numerous monitoring and distributing mechanisms for the gravel.
The present invention seeks to provide a device for the cleaning of gravel, in particular, the gravel utilised in railway track beds, which device overcomes the above-mentioned disadvantages. Thus, the present invention seeks to provide a device having gravel distribution means which can either retain or discharge gravel or do both simultaneously without the problems generally associated with devices which have such features spaced --apart from one another. -The present invention also seeks to provide a gravel cleaning -device in which the function of retention and release of the excess gravel by the distribution means takes place automatically.
According to a first aspect of the present invention, there is provided a railway track ballast cleaning and handling machine comprising:
(a) extractor means for removing the ballast from the track bed; (b) clean-ing means for cleaning the ballast extracted from the track bed; (c) first conveyor means for transporting the ballast from said extractor means to said cleaning means; (d) distributor means comprising a hopper having front, side and rear walls, said rear wall having its lower end spaced immediately above the track bed; (e) channel opening means between said front, side and rear walls of said hopper, said channel opening means extending in the longitudinal direction of the track; and (f) second conveyor means for _ 3 _ ~U62082 ~
transporting the ballast from said cleaning means to said distributor means, said second conveyor means directing the ballast towards said rear wall of said hopper, whereby when the machine stops the gravel fed to the hopper collects adjacent said rear wall and gradually builds up onto the track bed to block said channel opening means, and when the machine moves again the gravel accumulated in the hopper is distributed over the track bed at the same rate as the rate of disengagement of said channel opening means while said lower end of said rear wall determines the maximum levellof distribution of gravel onto the track bed.
According to a second aspect of the present invention, there is provided a railway track ballast cleaning and handling machine comprising: :
~a) extractor means for removing the ballast from the track bed; (b) cleaning means for cleaning the ballast extracted from the track bed; (c) first con-veyor means for transporting the ballast from said extractor means to said cleaning means; (d) distributor means comprising a hopper having a base portion, front, side and rear walls, said rear wall having its lower end spaced immediately above the track bed; ~e) channel opening means in said base portion of said hopper, said channel opening means extending in the longitudinal direction of the track; and ~f) second conveyor means for transporting the ballast from said cleaning means to said distributor means, said second conveyor means directing the ballast towards said rear wall of said hopper, whereby when the machine stops the gravel fed to the hopper collects adjacent said rear wall and gradually builds up onto the track bed to block said channel opening means, and when the machine moves again the gravel accumulated in the hopper is distributed over the track bed at the same rate as the rate of disengagement of said channel opening means while said lower end of said rear wall determines the maximum level of distribution of gravel onto the track bed.
According to a third aspect of the present invention, there is provided a railway track ballast cleaning and handling machine comprising:
(a) extractor means for removing the ballast from the track bed;
- ~a -~ ._.. ' !
106;~082 (b) cleaning means for cleaning the ballast extracted from the track bed; ~.
~c) first conveyor means for transporting the ballast from said extractor ~:
means to said cleaning means; (d) distributor means comprising a hopper having two side walls, a front wall and a rear wall, said front and rear walls connected by at least a central base portion having the shape of a dihedron formed by two adjoining inclined planes forming an inverted V, said .
rear wall having its lower end spaced immediately above the track bed; `
(e) channel opening means between said side walls and said dihedron base portion, said channel opening means extending in the longitudinal direction `.
of the track; and (f) second conveyor means for transporting the ballast from said cleaning means to said distributor means, said second conveyor means directing the ballast towards said rear wall of said hopper, whereby wnen the machine stops the gravel fed to the hopper collects adjacent said rear wall and gradually builds up onto the track bed to block said chamlel opening means, and when the machine moves again the gravel accumulated in the hopper is distributed over the track bed at the same rate as the rate of disengagement of said channel opening means while said lower end of said rear wall determines the maximum level of distribution of gravel onto the track bed.
According to a fourth aspect of the present invention, there is provided a railway track ballast cleaning and handling machine comprising:
(a) extractor means for removing the ballast from the track bed; (b) cleaning -.
me~ans for cleaning the ballast extracted from the track bed; (c) first con-veyor means for transporting the ballast from said extractor means to said : .
cleaning means; (d) distributor means comprising a hopper for absorbing the .
gravel present on the machine, said hopper having front, side and rear walls, said rear wall having its lower end spaced immediately above the track bed; (e) channel opening means defining an open base in said hopper, .
said channel opening means extending in the longitudinal direction of the 3Q track; and, (f) second conveyor means for transporting the ballast from ~' - 3b -106;~08Z
said cleaning means to said distributor means, said second conveyor means directing the ballast towards said rear wall of said hopper, whereby when the machine stops the gravel fed to the hopper collects adjacent said rear wall and gradually builds up onto the track bed to block said channel opening means, and when the machine moves again the gravel accumulated in the hopper is distributed over the track bed at the same rate as the rate of disengage- `
ment of said channel opening means while said lower end of said rear wall determines the maximum level of distribution of gravel onto the track bed.
The invention will be further described, by way of example, with reference to the accompanying drawings, in which:-Figure 1 shows a schematic side view of a gravel cleaning device in accordance with ~h~ present invention, Figure 2 shows, in section and on an enlarged scale relative to Pigure 1, a side view of distributing means forming part of the device shown in Pigure l;
Figure 3 shows, in section, a front view of the distribution means shown in Figure 2, and Figures 4, 5 and 6 show, in section, a front view of a different embodiment of the distribution means in three different working positions.
Referring to Figure 1, there is shown a gravel cleaning device 1, in its position of use, the device being displaceably mounted on rails 2 and 3, over a railway track bed 44 formed of gravel to be treated. The device is moving in the direction of the arrow F.
With the advance of the machine 1 on the rails 2 and 3, gravel 5 forming the track bed 44 is removed at A by means of a scoop mounted on an endless chain, not shown in Figure 1. The scoop collects the gravel from below the level of the rails 2 and 3. These rails 2 and 3 are supported by ties 4.
The endless chain circulates continuously along channels 6. At the top end of the channels 6, the gravel 5 is released into a hopper 7, from - 3c -,." ,~
)6;~082 which it is conveyed by means of a first conveyor 8 to cleaning means 9.
These cleaning means are in the form of sieves ~not shown in Figure 1) of known type.
After passing through the cleaning means 9, the material removed ~`
from the gravel is discharged from the device 1 by conveyors 10 and 11 located in series with one another, whilst the cleaned gravel is returned .
~o~ z to the track bed 44 through a hopper 12, by a conveyor 13.
As shown in Figures 2 and 3, the hopper 12 has a front wall 14 and a rear wall 15 connected by a central base portion 16 having the shape of a dihedral formed by the joining of two inclined planes 17 and 18, and by two side walls 19 and 20. The base portion 16 does not extend the full distance between the walls 19 and 20.
Between the dihedral 16 and the two side walls 19 and 20 of the hopper 12, two openings 21 and 22 are formed, the openings extending parallel to the axis of the track bed 44.
The openings 21 and 22 are disposed symmetrically relative to the longitudinal, medial vertical plane of the hopper 12 and are located laterally outwardly of the rails 2 and 3.
The inclined planes 17 and 18 constituting the central dihedral base portion 16 are arranged in the form of an inverted V and their lower edges are directed towards the openings 21 and 22 respectively.
The dimensions of the hopper 12 and the depth of the openings 21 and 22 relative to the plane containing the upper surface of the sleepers 4 are dependent upon both the amount of displacement required to be given to the gravel and by the need for ensuring that the gravel is scattered as evenly as possible on either side of each of the rails 2 and 3.
On the front wall 14 of the hopper 12, a support 23 is provided which support is pivotally mounted at 23a on the chassis of the machine 1, as can be seen in Figure 1. On the rear wall 15 of the hopper 12, supports 24 are provided which are fitted at their lower ends with journals 25a on which wheels 25 are freely rotatably mounted, the wheels being on the rails
The present invention relates to a device for cleaning gravel, more particularly, for cleaning the gravel utilised as ballast on railway track beds.
Devices for cleaning the gravel utilised on railway track beds are known. In one known device, the gravel is first extracted from the track bed by suitable extraction means, is cleaned by suitable cleaning ;
means such as sieves and is finally returned to the track bed by distributor devices. These known distributor devices often incorporate means for re- ~-taining any gravel which is surplus to requirements. -Such a device also includes suitable conveyors for transferring the gravel to each stage in the cleaning process.
In such known machines, the extraction means are generally in the form of a scoop located on an endless chain, the scoop being located, in use, below the level of the rails and ties of the railway. The device is mounted on wheels so as to be movable along the railway lines. This .
movement of the device along the track, together with the movement of the scoop and its associated chain, permits removal of the gravel from the track bed.
The time lapse between extraction of the gravel from the track bed and the return of the same gravel, duly cleaned to the track bed is obviously dependent upon the length of the conveying devices between the extraction and cleaning means, and the cleaning and distribution means respectively, and upon the speed at which the gravel is conveyed by the conveying devices.
If the travel of the device is arrested for any reason, the scoop no longer extracts gravel from the track bed, but any gravel already extracted and which is being treated will continue to be treated and will be returned to the track bed. Accordingly, a relatively large quantity of gravel may accumulate on the track bed immediately below the stationary distribution means.
1 - aag~
106;~V8Z
Moreover, when the travel of the device recommences, the gravel collected has to complete a full treatment cycle before being returned to the track. In this treatment time, the device traverses a length of i trac~. Obviously, this length of track remains denuded of gravel.
This is a disadvantage, since it is necessary to use extra labour for removing the accumulation of gravel produced when the device stops and the re-distribution thereof over the length of track which has remained denuded of gravel when the device re-starts.
In an attempt to overcome the above-mentioned disadvantage some clearing devices have been provided with a retaining member in which the gravel already being treated when the device stops travelling is prevented from returning to the track bed. This member is generally in the form of a silo located between the cleaning means and the distributing means, as near as possible to the latter. The silo is provided in its base with a shutter which closes when the travel of the device is halted and which opens to permit the retained gravel to flow out when the device re-commences to move.
However, the installation of this additional member has the disadvantage that the silo is bulky and an inevitable loss of gravel takes place on the conveyor provided between the silo and the distribution means.
The conveyor device, which may be arranged transversely to the track, causes, even if on a minor scale, the problem of an accumu-lation of gravel ol. the trzck bed when the machine is stopped.
Other cleaning machines are known in which, in order to avoid irregularities in the rate of delivery of gravel a collection device is provided, which is located directly beneath the conveyor means connected to the distribution means.
This collection device comprises two compartments which are dis-posed one behind the other in the longitudinal direction of the track.
One compartment has a continuous passage extending therethrough and the . . .
- . . : . , : . .
i ~ 82 .
other compartment is in the form of a silo having a base that can be opened.
In the event of excess gravel being received shutters installed in the dis-tribution conveyor at the level of the silo compartment deflects either partially or totally, the flow of gravel into the silo compartment.
In the event of the distribution means supplying insufficient gravel to the track, the gravel collected in the silo compartment may be distributed over the track. -However, such devices are complicated and expensive since they necessitate the use of numerous monitoring and distributing mechanisms for the gravel.
The present invention seeks to provide a device for the cleaning of gravel, in particular, the gravel utilised in railway track beds, which device overcomes the above-mentioned disadvantages. Thus, the present invention seeks to provide a device having gravel distribution means which can either retain or discharge gravel or do both simultaneously without the problems generally associated with devices which have such features spaced --apart from one another. -The present invention also seeks to provide a gravel cleaning -device in which the function of retention and release of the excess gravel by the distribution means takes place automatically.
According to a first aspect of the present invention, there is provided a railway track ballast cleaning and handling machine comprising:
(a) extractor means for removing the ballast from the track bed; (b) clean-ing means for cleaning the ballast extracted from the track bed; (c) first conveyor means for transporting the ballast from said extractor means to said cleaning means; (d) distributor means comprising a hopper having front, side and rear walls, said rear wall having its lower end spaced immediately above the track bed; (e) channel opening means between said front, side and rear walls of said hopper, said channel opening means extending in the longitudinal direction of the track; and (f) second conveyor means for _ 3 _ ~U62082 ~
transporting the ballast from said cleaning means to said distributor means, said second conveyor means directing the ballast towards said rear wall of said hopper, whereby when the machine stops the gravel fed to the hopper collects adjacent said rear wall and gradually builds up onto the track bed to block said channel opening means, and when the machine moves again the gravel accumulated in the hopper is distributed over the track bed at the same rate as the rate of disengagement of said channel opening means while said lower end of said rear wall determines the maximum levellof distribution of gravel onto the track bed.
According to a second aspect of the present invention, there is provided a railway track ballast cleaning and handling machine comprising: :
~a) extractor means for removing the ballast from the track bed; (b) cleaning means for cleaning the ballast extracted from the track bed; (c) first con-veyor means for transporting the ballast from said extractor means to said cleaning means; (d) distributor means comprising a hopper having a base portion, front, side and rear walls, said rear wall having its lower end spaced immediately above the track bed; ~e) channel opening means in said base portion of said hopper, said channel opening means extending in the longitudinal direction of the track; and ~f) second conveyor means for transporting the ballast from said cleaning means to said distributor means, said second conveyor means directing the ballast towards said rear wall of said hopper, whereby when the machine stops the gravel fed to the hopper collects adjacent said rear wall and gradually builds up onto the track bed to block said channel opening means, and when the machine moves again the gravel accumulated in the hopper is distributed over the track bed at the same rate as the rate of disengagement of said channel opening means while said lower end of said rear wall determines the maximum level of distribution of gravel onto the track bed.
According to a third aspect of the present invention, there is provided a railway track ballast cleaning and handling machine comprising:
(a) extractor means for removing the ballast from the track bed;
- ~a -~ ._.. ' !
106;~082 (b) cleaning means for cleaning the ballast extracted from the track bed; ~.
~c) first conveyor means for transporting the ballast from said extractor ~:
means to said cleaning means; (d) distributor means comprising a hopper having two side walls, a front wall and a rear wall, said front and rear walls connected by at least a central base portion having the shape of a dihedron formed by two adjoining inclined planes forming an inverted V, said .
rear wall having its lower end spaced immediately above the track bed; `
(e) channel opening means between said side walls and said dihedron base portion, said channel opening means extending in the longitudinal direction `.
of the track; and (f) second conveyor means for transporting the ballast from said cleaning means to said distributor means, said second conveyor means directing the ballast towards said rear wall of said hopper, whereby wnen the machine stops the gravel fed to the hopper collects adjacent said rear wall and gradually builds up onto the track bed to block said chamlel opening means, and when the machine moves again the gravel accumulated in the hopper is distributed over the track bed at the same rate as the rate of disengagement of said channel opening means while said lower end of said rear wall determines the maximum level of distribution of gravel onto the track bed.
According to a fourth aspect of the present invention, there is provided a railway track ballast cleaning and handling machine comprising:
(a) extractor means for removing the ballast from the track bed; (b) cleaning -.
me~ans for cleaning the ballast extracted from the track bed; (c) first con-veyor means for transporting the ballast from said extractor means to said : .
cleaning means; (d) distributor means comprising a hopper for absorbing the .
gravel present on the machine, said hopper having front, side and rear walls, said rear wall having its lower end spaced immediately above the track bed; (e) channel opening means defining an open base in said hopper, .
said channel opening means extending in the longitudinal direction of the 3Q track; and, (f) second conveyor means for transporting the ballast from ~' - 3b -106;~08Z
said cleaning means to said distributor means, said second conveyor means directing the ballast towards said rear wall of said hopper, whereby when the machine stops the gravel fed to the hopper collects adjacent said rear wall and gradually builds up onto the track bed to block said channel opening means, and when the machine moves again the gravel accumulated in the hopper is distributed over the track bed at the same rate as the rate of disengage- `
ment of said channel opening means while said lower end of said rear wall determines the maximum level of distribution of gravel onto the track bed.
The invention will be further described, by way of example, with reference to the accompanying drawings, in which:-Figure 1 shows a schematic side view of a gravel cleaning device in accordance with ~h~ present invention, Figure 2 shows, in section and on an enlarged scale relative to Pigure 1, a side view of distributing means forming part of the device shown in Pigure l;
Figure 3 shows, in section, a front view of the distribution means shown in Figure 2, and Figures 4, 5 and 6 show, in section, a front view of a different embodiment of the distribution means in three different working positions.
Referring to Figure 1, there is shown a gravel cleaning device 1, in its position of use, the device being displaceably mounted on rails 2 and 3, over a railway track bed 44 formed of gravel to be treated. The device is moving in the direction of the arrow F.
With the advance of the machine 1 on the rails 2 and 3, gravel 5 forming the track bed 44 is removed at A by means of a scoop mounted on an endless chain, not shown in Figure 1. The scoop collects the gravel from below the level of the rails 2 and 3. These rails 2 and 3 are supported by ties 4.
The endless chain circulates continuously along channels 6. At the top end of the channels 6, the gravel 5 is released into a hopper 7, from - 3c -,." ,~
)6;~082 which it is conveyed by means of a first conveyor 8 to cleaning means 9.
These cleaning means are in the form of sieves ~not shown in Figure 1) of known type.
After passing through the cleaning means 9, the material removed ~`
from the gravel is discharged from the device 1 by conveyors 10 and 11 located in series with one another, whilst the cleaned gravel is returned .
~o~ z to the track bed 44 through a hopper 12, by a conveyor 13.
As shown in Figures 2 and 3, the hopper 12 has a front wall 14 and a rear wall 15 connected by a central base portion 16 having the shape of a dihedral formed by the joining of two inclined planes 17 and 18, and by two side walls 19 and 20. The base portion 16 does not extend the full distance between the walls 19 and 20.
Between the dihedral 16 and the two side walls 19 and 20 of the hopper 12, two openings 21 and 22 are formed, the openings extending parallel to the axis of the track bed 44.
The openings 21 and 22 are disposed symmetrically relative to the longitudinal, medial vertical plane of the hopper 12 and are located laterally outwardly of the rails 2 and 3.
The inclined planes 17 and 18 constituting the central dihedral base portion 16 are arranged in the form of an inverted V and their lower edges are directed towards the openings 21 and 22 respectively.
The dimensions of the hopper 12 and the depth of the openings 21 and 22 relative to the plane containing the upper surface of the sleepers 4 are dependent upon both the amount of displacement required to be given to the gravel and by the need for ensuring that the gravel is scattered as evenly as possible on either side of each of the rails 2 and 3.
On the front wall 14 of the hopper 12, a support 23 is provided which support is pivotally mounted at 23a on the chassis of the machine 1, as can be seen in Figure 1. On the rear wall 15 of the hopper 12, supports 24 are provided which are fitted at their lower ends with journals 25a on which wheels 25 are freely rotatably mounted, the wheels being on the rails
2 and 3.
The operation of the cleaning device shown in Figures 1 to 3 will now be described.
The device 1 is advanced in the direction of the arrow F, and the endless chain carrying the scoop, the conveyors 8, 10, 11, and 12, and the cleaning means 9 are also set into operation. t`"
Gravel 5, extracted at A by the scoop, traverses, before reaching ~`
the hopper 12, a path constituted by the channels 6, the hopper 7J the con-veyor 8, the cleaning means 9 and the conveyor 13.
The gravel is fed to the hopper 12 in the direction of the arrow f shown in Figure 2, so that it collects adjacent the rear wall 15 of the hopper 12. The lower edge of the rear wall 15 determines the maximum level of distribution of the gravel onto the track bed 44.
The gravel 5, guided by the inclined planes 17 and 18, flows out of the hopper 12 through the longitudinal openings 21 and 22.
If, for any reason, the advance of the machine 1 is arrested, the scoop ceases to remove gravel from the track bed. However, all of the gravel being treated at that time is discharged into the hopper 12. The capacity of the hopper must be at least equal to the volume of gravel being treated in the device 1 when the device 1 is working normally.
Arresting the travel of the machine 1 does not cause accumulation ' of gravel on the track bed, since the gravel contained in the hopper 12, although initially discharged, will not be completely discharged through the openings 21 and 22, since build-up of gravel between these openings and the track bed 44 will occur.
When the machine 1 resumes its travel in the direction of the arrow F, time must elapse before the gravel which has been freshly removed from the track reaches the hopper 12.
During this time, the machine 1 traverses a length of track.
The cleaned gravel collected in the hopper 12 when the device stops is distributed on to the track bed whilst the fresh gravel is being treated.
By the time the hopper is almost empty, the freshly treated gravel should have reached the hopper 12.
Figures 2 and 3 show the manner in which the gravel is distributed onto the track bed 44, and also show how the gravel, when the device is 1~ 08Z
Stpped, initially falls onto the bed 44 but then gradually builds up to -block the openings 21 and 22 substantially completely.
It will also be apparent from Figures 2 and 3 that, upon resump-tion of the advance of the device, the gravel accumulated in the hopper 12, due to the pressure of the rear wall 15 thereon is distributed over the track bed at the same rate as the rate of disengagement of the openings 21 and 22.
The chassis of devices of the type described hereinbefore is always kept upright no matter what the transverse angle of incline of the track bed upon which it is working, because the sides of the conveyors cannot be laterally inclined. If this were the case, some of the gravel being conveyed will fall off the conveyor.
This ensures that the upper surface of the gravel which remains after the passage of the scoop, which latter is supported on the chassis of the device, is always substantially hori~ontal.
When the track bed is sloping, that is, when the rails 2 and 3 are at differing heights relative to the upper surface of the gravel, it is therefore necessary to distribute a larger quantity of gravel on the side of the track which is higher than this upper surface.
This is effected by deflecting the axis of the conveyor 13 relatively to the longitudinal junction line of the inclined planes 17 and 18 of the dihedral 16; that is to say, by causing the end of the conveyor 13 to be directed towards whichever inclined plane 17 or 18 is higher than the other and under which it is necessary to distribute a greater quantity of gravel.
This may be effected in any known manner, for example, by moving the terminal end of the conveyor 13 onto the desired side, or by rotation of the conveyor about a hinged pivot located at the other end of the said conveyor.
In order to obtain a less concentrated distribution of gravel, . ~ , , .
10~;~08Z
but which distribution is to be as regular as possible over the maximum width of the track, and also to obtain a minimum spacing between the bottom of the hopper and the rails 2 and 3, a modified hopper 12 as shown in three different working positions in Figures 4, 5 and 6 has been designed.
As shown in Figures 4, 5 and 6, not only is there a central base member 16 in the form of a dihedral, there are provided two additional distribution dihedrals 26 and 27 located one on each side of the dihedral 16.
Each of the two additional dihedrals 26 and 27 is formed by two inclined planes arranged in the form of an inverted "V". In addition, the additional dehedrals 26 and 27 are separately transversely displaceable relative to the axis of the track bed 44 by suitable means (not shown in Pigures 4, 5 and 6).
As a consequence of the presence of the two additional dihedrals 26 and 27 in the lower region of the hopper 12, four openings 21, 21a, 22 and 22a for the discharge of gravel are defined, each of the openings ex-tending parallel to the axis of the track bed.
In this manner, the gravel is distributed not through two, but ~hrough four openings. This makes it possible to achieve a minimum spacing between the bottom of the hopper 12 and the track bed 44, whilst ensuring the same distribution of gravel obtainable with only two openings 21 and 22 (Figures 1 to 3).
Moreover, in connection with the capacity of the hopper 12, the presence of the extra two distribution dihedrals 26 and 27 makes it possi-ble to limit the height to which the hopper is filled. This reduces the resistance offered by the gravel to the rear wall 15 of the hopper when the device resumes its travel after being stopped.
In Figures 4, 5 and 6, the two longitudinal side walls of the dihedral 16 are formed by two shutters 32 and 33 hingedly mounted on 10f~01~2 pivots at 34 and 35 located parallel to the axis of the track bed.
These shutters 32 and 33 can be simultaneously rotated around their respective pivot points 34 and 35 by utilising connecting rods 38 and 39 respectively which are pivotally mounted at one end at 38a and 39a respectively on the shutters 32 and 33, both connecting rods being pivotally mounted~ at their other end, on a pivot point 37a provided on the piston rod of a piston and cylinder arrangement 37.
Rotation of the shutters 32 and 33 enables them to assume two ~ -typical working positions shown in Figures 4 and 5 respectively.
In Figure 4, the shutters 32 and 33 each rest at their lower end on a base member 36 provided at the bottom of the hopper 12. The shutters 32 and 33 when in this position cause the openings 21a and 22a to ;~
be as widely open as possible.
By operating the piston and cylinder arrangement 37, the shutter 32 rotates in a clockwise direction whilst the shutter 33 rotates in an anti-clockwise direction. Rotation of the shutters 32 and 33 causes the size of the openings 21a and 22a to diminish.
In Figure 5, the shutters 32 and 33 are shown in their outermost position relative to the base plate 36.
In the position shown in Figure 5, the shutter 32 acts as a connecting member between the inclined plane 17 and the outer inclined plane, relative to the dihedral 16, of the additional dihedral 26, whilst the shutter 33 connects the inclined plane 18 and the external inclined plane of the additional dihedral 27. By so doing, the hopper 12 has only the two openings 21 and 22 in its lower region for the discharge of gravel.
In order to vary the width of the openings 21 and 22, two addi-tional shutters 28 and 29 respectively are provided at the lower end of the side walls 19 and 20 respectively.
The shutters 28 and 29, which are linked at their upper ends to hinged pivots 30 and 31 respectively, which pivots extend parallel to the axis of the track bed, each have arm 28a and 29_ respectively on which the piston rod of a piston and cylinder arrangement 40 or 42 is pivoted. The piston and cylinder arrangements 40 and 42 are, in turn, pivotally mounted on hinged pivots 41 and 43 respectively, provided on the chassis of the device 1.
By operating the piston and cylinder arrangements 40 and 42, the shutter 28 is caused to rotate in an anti-clockwise direction, whilst the shutter 29 is caused to rotate in a clockwise direction. In consequence the size of the openings 21 and 22 respectively are reduced.
The shutters 28 and 29 may each assume two end positions the first end position being that shown in Figures 4 and 5 in which the openings 21 and 22 are of a maximum size and the second end position being that shown in Figure 6 in which the shutter 28 and the shutter 29 are substan-tially co-planar with the inner, relative to the dihedral 16, inclined plane of dihedrals 26 and 27 respectively The three working positions shown in Figures 4, 5 and 6 for regulating the size of the openings 21, 21a, 22 and 22a and the displace-ability of the conveyor 13 feeding the hopper 12 ensures that virtually any desired distribution of the gravel, in the transverse direction of the track, may be achieved.
The configuration of the hopper 12 is such that the function of retaining and releasing excess gravel is effected automatically without any external intervention. In the event of an interruption to the advance of the device, the gravel which continues to be discharged onto the track bed through the openings in the hopper progressively blocks the openings in the hopper and the gravel retained in the hopper is spread gradually over the entire width of the shutters.
Moreover, uniform distribution of the gravel in the transverse direction of the track bed is possible utilising the device of the present invention.
- 10~ 0~
By utilising the orientatable shutters, it is possible to :-regulate the flow of gravel from the hopper, a feature which is of particu-lar advantage when the device is used on track beds having a transverse slope.
In the hopper 12, shown in Figures 2 and 3, the distribution dihedral 16 may be fitted with orientatable shutters, whilst in the embodi- ;.
ment of the hopper shown in Figures 4, 5 and 6, the distribution dihedral 16 need not have the orientatable shutters 32 and 33. The control means for the shutters may be of any suitable mechanical, electrical or pneu- -matic type. Finally, another method of controlling the width of the said : -apertures may be achieved by making the dihedrals 16, 26 and 27 capable of ~:
transverse movement.
The operation of the cleaning device shown in Figures 1 to 3 will now be described.
The device 1 is advanced in the direction of the arrow F, and the endless chain carrying the scoop, the conveyors 8, 10, 11, and 12, and the cleaning means 9 are also set into operation. t`"
Gravel 5, extracted at A by the scoop, traverses, before reaching ~`
the hopper 12, a path constituted by the channels 6, the hopper 7J the con-veyor 8, the cleaning means 9 and the conveyor 13.
The gravel is fed to the hopper 12 in the direction of the arrow f shown in Figure 2, so that it collects adjacent the rear wall 15 of the hopper 12. The lower edge of the rear wall 15 determines the maximum level of distribution of the gravel onto the track bed 44.
The gravel 5, guided by the inclined planes 17 and 18, flows out of the hopper 12 through the longitudinal openings 21 and 22.
If, for any reason, the advance of the machine 1 is arrested, the scoop ceases to remove gravel from the track bed. However, all of the gravel being treated at that time is discharged into the hopper 12. The capacity of the hopper must be at least equal to the volume of gravel being treated in the device 1 when the device 1 is working normally.
Arresting the travel of the machine 1 does not cause accumulation ' of gravel on the track bed, since the gravel contained in the hopper 12, although initially discharged, will not be completely discharged through the openings 21 and 22, since build-up of gravel between these openings and the track bed 44 will occur.
When the machine 1 resumes its travel in the direction of the arrow F, time must elapse before the gravel which has been freshly removed from the track reaches the hopper 12.
During this time, the machine 1 traverses a length of track.
The cleaned gravel collected in the hopper 12 when the device stops is distributed on to the track bed whilst the fresh gravel is being treated.
By the time the hopper is almost empty, the freshly treated gravel should have reached the hopper 12.
Figures 2 and 3 show the manner in which the gravel is distributed onto the track bed 44, and also show how the gravel, when the device is 1~ 08Z
Stpped, initially falls onto the bed 44 but then gradually builds up to -block the openings 21 and 22 substantially completely.
It will also be apparent from Figures 2 and 3 that, upon resump-tion of the advance of the device, the gravel accumulated in the hopper 12, due to the pressure of the rear wall 15 thereon is distributed over the track bed at the same rate as the rate of disengagement of the openings 21 and 22.
The chassis of devices of the type described hereinbefore is always kept upright no matter what the transverse angle of incline of the track bed upon which it is working, because the sides of the conveyors cannot be laterally inclined. If this were the case, some of the gravel being conveyed will fall off the conveyor.
This ensures that the upper surface of the gravel which remains after the passage of the scoop, which latter is supported on the chassis of the device, is always substantially hori~ontal.
When the track bed is sloping, that is, when the rails 2 and 3 are at differing heights relative to the upper surface of the gravel, it is therefore necessary to distribute a larger quantity of gravel on the side of the track which is higher than this upper surface.
This is effected by deflecting the axis of the conveyor 13 relatively to the longitudinal junction line of the inclined planes 17 and 18 of the dihedral 16; that is to say, by causing the end of the conveyor 13 to be directed towards whichever inclined plane 17 or 18 is higher than the other and under which it is necessary to distribute a greater quantity of gravel.
This may be effected in any known manner, for example, by moving the terminal end of the conveyor 13 onto the desired side, or by rotation of the conveyor about a hinged pivot located at the other end of the said conveyor.
In order to obtain a less concentrated distribution of gravel, . ~ , , .
10~;~08Z
but which distribution is to be as regular as possible over the maximum width of the track, and also to obtain a minimum spacing between the bottom of the hopper and the rails 2 and 3, a modified hopper 12 as shown in three different working positions in Figures 4, 5 and 6 has been designed.
As shown in Figures 4, 5 and 6, not only is there a central base member 16 in the form of a dihedral, there are provided two additional distribution dihedrals 26 and 27 located one on each side of the dihedral 16.
Each of the two additional dihedrals 26 and 27 is formed by two inclined planes arranged in the form of an inverted "V". In addition, the additional dehedrals 26 and 27 are separately transversely displaceable relative to the axis of the track bed 44 by suitable means (not shown in Pigures 4, 5 and 6).
As a consequence of the presence of the two additional dihedrals 26 and 27 in the lower region of the hopper 12, four openings 21, 21a, 22 and 22a for the discharge of gravel are defined, each of the openings ex-tending parallel to the axis of the track bed.
In this manner, the gravel is distributed not through two, but ~hrough four openings. This makes it possible to achieve a minimum spacing between the bottom of the hopper 12 and the track bed 44, whilst ensuring the same distribution of gravel obtainable with only two openings 21 and 22 (Figures 1 to 3).
Moreover, in connection with the capacity of the hopper 12, the presence of the extra two distribution dihedrals 26 and 27 makes it possi-ble to limit the height to which the hopper is filled. This reduces the resistance offered by the gravel to the rear wall 15 of the hopper when the device resumes its travel after being stopped.
In Figures 4, 5 and 6, the two longitudinal side walls of the dihedral 16 are formed by two shutters 32 and 33 hingedly mounted on 10f~01~2 pivots at 34 and 35 located parallel to the axis of the track bed.
These shutters 32 and 33 can be simultaneously rotated around their respective pivot points 34 and 35 by utilising connecting rods 38 and 39 respectively which are pivotally mounted at one end at 38a and 39a respectively on the shutters 32 and 33, both connecting rods being pivotally mounted~ at their other end, on a pivot point 37a provided on the piston rod of a piston and cylinder arrangement 37.
Rotation of the shutters 32 and 33 enables them to assume two ~ -typical working positions shown in Figures 4 and 5 respectively.
In Figure 4, the shutters 32 and 33 each rest at their lower end on a base member 36 provided at the bottom of the hopper 12. The shutters 32 and 33 when in this position cause the openings 21a and 22a to ;~
be as widely open as possible.
By operating the piston and cylinder arrangement 37, the shutter 32 rotates in a clockwise direction whilst the shutter 33 rotates in an anti-clockwise direction. Rotation of the shutters 32 and 33 causes the size of the openings 21a and 22a to diminish.
In Figure 5, the shutters 32 and 33 are shown in their outermost position relative to the base plate 36.
In the position shown in Figure 5, the shutter 32 acts as a connecting member between the inclined plane 17 and the outer inclined plane, relative to the dihedral 16, of the additional dihedral 26, whilst the shutter 33 connects the inclined plane 18 and the external inclined plane of the additional dihedral 27. By so doing, the hopper 12 has only the two openings 21 and 22 in its lower region for the discharge of gravel.
In order to vary the width of the openings 21 and 22, two addi-tional shutters 28 and 29 respectively are provided at the lower end of the side walls 19 and 20 respectively.
The shutters 28 and 29, which are linked at their upper ends to hinged pivots 30 and 31 respectively, which pivots extend parallel to the axis of the track bed, each have arm 28a and 29_ respectively on which the piston rod of a piston and cylinder arrangement 40 or 42 is pivoted. The piston and cylinder arrangements 40 and 42 are, in turn, pivotally mounted on hinged pivots 41 and 43 respectively, provided on the chassis of the device 1.
By operating the piston and cylinder arrangements 40 and 42, the shutter 28 is caused to rotate in an anti-clockwise direction, whilst the shutter 29 is caused to rotate in a clockwise direction. In consequence the size of the openings 21 and 22 respectively are reduced.
The shutters 28 and 29 may each assume two end positions the first end position being that shown in Figures 4 and 5 in which the openings 21 and 22 are of a maximum size and the second end position being that shown in Figure 6 in which the shutter 28 and the shutter 29 are substan-tially co-planar with the inner, relative to the dihedral 16, inclined plane of dihedrals 26 and 27 respectively The three working positions shown in Figures 4, 5 and 6 for regulating the size of the openings 21, 21a, 22 and 22a and the displace-ability of the conveyor 13 feeding the hopper 12 ensures that virtually any desired distribution of the gravel, in the transverse direction of the track, may be achieved.
The configuration of the hopper 12 is such that the function of retaining and releasing excess gravel is effected automatically without any external intervention. In the event of an interruption to the advance of the device, the gravel which continues to be discharged onto the track bed through the openings in the hopper progressively blocks the openings in the hopper and the gravel retained in the hopper is spread gradually over the entire width of the shutters.
Moreover, uniform distribution of the gravel in the transverse direction of the track bed is possible utilising the device of the present invention.
- 10~ 0~
By utilising the orientatable shutters, it is possible to :-regulate the flow of gravel from the hopper, a feature which is of particu-lar advantage when the device is used on track beds having a transverse slope.
In the hopper 12, shown in Figures 2 and 3, the distribution dihedral 16 may be fitted with orientatable shutters, whilst in the embodi- ;.
ment of the hopper shown in Figures 4, 5 and 6, the distribution dihedral 16 need not have the orientatable shutters 32 and 33. The control means for the shutters may be of any suitable mechanical, electrical or pneu- -matic type. Finally, another method of controlling the width of the said : -apertures may be achieved by making the dihedrals 16, 26 and 27 capable of ~:
transverse movement.
Claims (4)
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. A railway track ballast cleaning and handling machine comprising:
a) extractor means for removing the ballast from the track bed; b) cleaning means for cleaning the ballast extracted from the track bed; c) first con-veyor means for transporting the ballast from said extractor means to said cleaning means; d) distributor means comprising a hopper having front, side and rear walls, said rear wall having its lower end spaced immediately above the track bed; e) channel opening means between said front, side and rear walls of said hopper, said channel opening means extending in the longitudinal direction of the track; and, f) second conveyor means for transporting the ballast from said cleaning means to said distributor means, said second con-veyor means directing the ballast towards said rear wall of said hopper, whereby when the machine stops the gravel fed to the hopper collects adjacent said rear wall and gradually builds up onto the track bed to block said channel opening means, and when the machine moves again the gravel accumulated in the hopper is distributed over the track bed at the same rate as the rate of disengagement of said channel opening means while said lower end of said rear wall determines the maximum level of distribution of gravel onto the track bed.
a) extractor means for removing the ballast from the track bed; b) cleaning means for cleaning the ballast extracted from the track bed; c) first con-veyor means for transporting the ballast from said extractor means to said cleaning means; d) distributor means comprising a hopper having front, side and rear walls, said rear wall having its lower end spaced immediately above the track bed; e) channel opening means between said front, side and rear walls of said hopper, said channel opening means extending in the longitudinal direction of the track; and, f) second conveyor means for transporting the ballast from said cleaning means to said distributor means, said second con-veyor means directing the ballast towards said rear wall of said hopper, whereby when the machine stops the gravel fed to the hopper collects adjacent said rear wall and gradually builds up onto the track bed to block said channel opening means, and when the machine moves again the gravel accumulated in the hopper is distributed over the track bed at the same rate as the rate of disengagement of said channel opening means while said lower end of said rear wall determines the maximum level of distribution of gravel onto the track bed.
2. A railway track ballast cleaning and handling machine comprising:
a) extractor means for removing the ballast from the track bed; b) cleaning means for cleaning the ballast extracted from the track bed; c) first con-veyor means for transporting the ballast from said extractor means to said cleaning means; d) distributor means comprising a hopper having a base portion, front, side and rear walls, said rear wall having its lower end spaced immediately above the track bed; e) channel opening means in said base portion of said hopper, said channel opening means extending in the longitudinal direction of the track; and f) second conveyor means for transporting the ballast from said cleaning means to said distributor means, said second conveyor means directing the ballast towards said rear wall of said hopper, whereby when the machine stops the gravel fed to the hopper collects adjacent said rear wall and gradually builds up onto the track bed to block said channel opening means, and when the machine moves again the gravel accumulated in the hopper is distributed over the track bed at the same rate as the rate of disengagement of said channel opening means while said lower end of said rear wall determines the maximum level of distribution of gravel onto the track bed.
a) extractor means for removing the ballast from the track bed; b) cleaning means for cleaning the ballast extracted from the track bed; c) first con-veyor means for transporting the ballast from said extractor means to said cleaning means; d) distributor means comprising a hopper having a base portion, front, side and rear walls, said rear wall having its lower end spaced immediately above the track bed; e) channel opening means in said base portion of said hopper, said channel opening means extending in the longitudinal direction of the track; and f) second conveyor means for transporting the ballast from said cleaning means to said distributor means, said second conveyor means directing the ballast towards said rear wall of said hopper, whereby when the machine stops the gravel fed to the hopper collects adjacent said rear wall and gradually builds up onto the track bed to block said channel opening means, and when the machine moves again the gravel accumulated in the hopper is distributed over the track bed at the same rate as the rate of disengagement of said channel opening means while said lower end of said rear wall determines the maximum level of distribution of gravel onto the track bed.
3. A railway track ballast cleaning and handling machine comprising:
a) extractor means for removing the ballast from the track bed; b) cleaning means for cleaning the ballast extracted from the track bed; c) first con-veyor means for transporting the ballast from said extractor means to said cleaning means; d) distributor means comprising a hopper having two side walls, a front wall and a rear wall, said front and rear walls connected by at least a central base portion having the shape of a dihedron formed by two adjoining inclined planes forming an inverted V, said rear wall having its lower end spaced immediately above the track bed; e) channel opening means between said side walls and said dihedron base portion, said channel opening means extending in the longitudinal direction of the track; and f) second conveyor means for transporting the ballast from said cleaning means to said distributor means, said second conveyor means directing the ballast towards said rear wall of said hopper, whereby when the machine stops the gravel fed to the hopper collects adjacent said rear wall and gradually builds up onto the track bed to block said channel opening means, and when the machine moves again the gravel accumulated in the hopper is distributed over the track bed at the same rate as the rate of disengagement of said channel opening means while said lower end of said rear wall determines the maximum level of distribution of gravel onto the track bed.
a) extractor means for removing the ballast from the track bed; b) cleaning means for cleaning the ballast extracted from the track bed; c) first con-veyor means for transporting the ballast from said extractor means to said cleaning means; d) distributor means comprising a hopper having two side walls, a front wall and a rear wall, said front and rear walls connected by at least a central base portion having the shape of a dihedron formed by two adjoining inclined planes forming an inverted V, said rear wall having its lower end spaced immediately above the track bed; e) channel opening means between said side walls and said dihedron base portion, said channel opening means extending in the longitudinal direction of the track; and f) second conveyor means for transporting the ballast from said cleaning means to said distributor means, said second conveyor means directing the ballast towards said rear wall of said hopper, whereby when the machine stops the gravel fed to the hopper collects adjacent said rear wall and gradually builds up onto the track bed to block said channel opening means, and when the machine moves again the gravel accumulated in the hopper is distributed over the track bed at the same rate as the rate of disengagement of said channel opening means while said lower end of said rear wall determines the maximum level of distribution of gravel onto the track bed.
4. A railway track ballast cleaning and handling machine comprising:
a) extractor means for removing the ballast from the track bed; b) cleaning means for cleaning the ballast extracted from the track bed; c) first conveyor means for transporting the ballast from said extractor means to said cleaning means; d) distributor means comprising a hopper for absorbing the gravel present on the machine, said hopper having front, side and rear walls, said rear wall having its lower end spaced immediately above the track bed;
e) channel opening means defining an open base in said hopper, said channel opening means extending in the longitudinal direction of the track; and, f) second conveyor means for transporting the ballast from said cleaning means to said distributor means, said second conveyor means directing the ballast towards said rear wall of said hopper, whereby when the machine stops the gravel fed to the hopper collects adjacent said rear wall and gradually builds up onto the track bed to block said channel opening means, and when the machine moves again the gravel accumulated in the hopper is distributed over the track bed at the same rate as the rate of disengagement of said channel opening means while said lower end of said rear wall determines the maximum level of distribution of gravel onto the track bed.
a) extractor means for removing the ballast from the track bed; b) cleaning means for cleaning the ballast extracted from the track bed; c) first conveyor means for transporting the ballast from said extractor means to said cleaning means; d) distributor means comprising a hopper for absorbing the gravel present on the machine, said hopper having front, side and rear walls, said rear wall having its lower end spaced immediately above the track bed;
e) channel opening means defining an open base in said hopper, said channel opening means extending in the longitudinal direction of the track; and, f) second conveyor means for transporting the ballast from said cleaning means to said distributor means, said second conveyor means directing the ballast towards said rear wall of said hopper, whereby when the machine stops the gravel fed to the hopper collects adjacent said rear wall and gradually builds up onto the track bed to block said channel opening means, and when the machine moves again the gravel accumulated in the hopper is distributed over the track bed at the same rate as the rate of disengagement of said channel opening means while said lower end of said rear wall determines the maximum level of distribution of gravel onto the track bed.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT03364/75A IT1028620B (en) | 1975-03-28 | 1975-03-28 | SCREENING MACHINE FOR THE PURIFICATION OF STONE, IN PARTICULAR FOR THE PURIFICATION OF STONE OF THE RAILWAY MASSAGES |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1062082A true CA1062082A (en) | 1979-09-11 |
Family
ID=11105730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA248,893A Expired CA1062082A (en) | 1975-03-28 | 1976-03-26 | Ballast cleaning device |
Country Status (8)
| Country | Link |
|---|---|
| AR (1) | AR210115A1 (en) |
| AU (1) | AU501127B2 (en) |
| BR (1) | BR7601864A (en) |
| CA (1) | CA1062082A (en) |
| DE (1) | DE2612536A1 (en) |
| FR (1) | FR2305544A1 (en) |
| GB (1) | GB1541038A (en) |
| IT (1) | IT1028620B (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT353821B (en) * | 1977-12-29 | 1979-12-10 | Plasser Bahnbaumasch Franz | MOBILE GRUB BED TRACK CLEANING MACHINE |
| AT363115B (en) * | 1978-05-09 | 1981-07-10 | Plasser Bahnbaumasch Franz | SELF-DRIVING TRACK BED CLEANING MACHINE WITH STORAGE DEVICE |
| AT359541B (en) * | 1978-06-28 | 1980-11-10 | Plasser Bahnbaumasch Franz | DEVICE FOR REPLACING THE RAILS AND SLEEPERS OF A TRACK |
| IT1181235B (en) * | 1984-11-23 | 1987-09-23 | Danieli Off Mecc | RENOVATOR FOR MASSIVE WITH CONTINUOUS SCREEN WITHOUT END CONVEYOR |
| IT1187605B (en) * | 1985-12-23 | 1987-12-23 | Danieli Off Mecc | GROUP OF TRANSFER OF THE STONE FOR PROFILING MACHINE TRANSFER FOR MASSIVE AND PROFILING MACHINE SO EQUIPPED |
| AT389336B (en) * | 1986-02-12 | 1989-11-27 | Plasser Bahnbaumasch Franz | TRACKING MACHINE WITH LIFTING, STOPPING AND, IF NECESSARY, DIRECTIONAL UNIT |
| EP0255564B1 (en) * | 1986-07-25 | 1989-07-19 | Franz Plasser Bahnbaumaschinen-Industriegesellschaft m.b.H. | Machine for replacing or renewing the rails and sleepers of an existing track |
| AT389333B (en) * | 1986-09-08 | 1989-11-27 | Plasser Bahnbaumasch Franz | ROLLABLE TRAILER LOADING CARRIAGE ARRANGEMENT WITH CONTROLLED UNLOADING CHEESES |
| AT404039B (en) * | 1990-03-21 | 1998-07-27 | Plasser Bahnbaumasch Franz | MACHINE FOR DISTRIBUTING AND PLANNING THE BED |
| ATE117752T1 (en) * | 1991-02-12 | 1995-02-15 | Plasser Bahnbaumasch Franz | CLEANING MACHINE. |
| AT503117B1 (en) * | 2006-07-14 | 2007-08-15 | Plasser Bahnbaumasch Franz | Rail construction machine for spreading of ballast on rail, has ballast deflection device shiftable from one position to working position, where shifting width of device in working position is three times as large as width in position |
| CN101746383A (en) * | 2008-12-18 | 2010-06-23 | 南车长江车辆有限公司 | Ballast discharging door device of railway ballast vehicle |
| CN101844563B (en) * | 2010-05-11 | 2011-11-16 | 冯政 | Coal blocking plate for unloading |
| CN110230237A (en) * | 2019-05-31 | 2019-09-13 | 中铁五局集团有限公司 | A kind of ballast laying apparatus |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE371848A (en) * | 1929-09-27 | |||
| FR907911A (en) * | 1946-06-21 | 1946-03-26 | Arbel Ets | Self-unloading wagon, usable in particular for rocking railway tracks |
| US2775438A (en) * | 1951-09-06 | 1956-12-25 | Harold H Bach | Method and apparatus for processing ballast |
| US2997001A (en) * | 1956-03-03 | 1961-08-22 | Andre Scheuchzer | Method of repairing railway tracks and an installation for carrying out the same |
| DE1189109B (en) * | 1963-02-13 | 1965-03-18 | Rheinstahl Siegener Eisenbahnb | Multiple self-unloading wagons |
-
1975
- 1975-03-28 IT IT03364/75A patent/IT1028620B/en active
-
1976
- 1976-03-16 GB GB10391/76A patent/GB1541038A/en not_active Expired
- 1976-03-23 FR FR7608323A patent/FR2305544A1/en active Granted
- 1976-03-24 DE DE19762612536 patent/DE2612536A1/en not_active Withdrawn
- 1976-03-26 CA CA248,893A patent/CA1062082A/en not_active Expired
- 1976-03-26 AR AR262692A patent/AR210115A1/en active
- 1976-03-26 BR BR7601864A patent/BR7601864A/en unknown
- 1976-03-29 AU AU12463/76A patent/AU501127B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AU1246376A (en) | 1977-10-06 |
| FR2305544B1 (en) | 1980-07-25 |
| AR210115A1 (en) | 1977-06-30 |
| DE2612536A1 (en) | 1976-10-14 |
| IT1028620B (en) | 1979-02-10 |
| GB1541038A (en) | 1979-02-21 |
| AU501127B2 (en) | 1979-06-14 |
| FR2305544A1 (en) | 1976-10-22 |
| BR7601864A (en) | 1976-09-28 |
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