Patent Application
20220355834
Embodiments of the present invention are in the field of manufacturing technology for railroad freight cars, and in particular, relate to automatic top hatch covers for containers.
The statements in the background of the invention are provided to assist with understanding the invention and its applications and uses, and may not constitute prior art.
A hopper car is a type of railroad freight car used to haul bulk commodities, such as coal, fertilizers, grains, iron ore, and the like. A hopper car may be covered or open on top, and may discharge its load through doors located on the underside of the car body. Loads are usually added to the hopper car through the top. A covered hopper car may have a cover on top, to protect the load from weather conditions, such as rain, snow, and the like. The cover on top may be actuated manually by an operator.
The hatch covers that are currently in the market are heavy and difficult to open. The process of opening and closing of these hatch covers is time-consuming and exposes the operator to potential injuries.
There is a need for a system that can replace these existing traditional methods and make the operation of opening and closing of the hatch covers easier and less time consuming and without any potential injuries to the operator.
It is against this background that the present invention was developed.
This summary is provided to help understand aspects of the invention, but is not intended to limit the scope of the invention or its application or uses.
In one embodiment, the present invention provides a system for automatic operation of a top hatch cover (230) for a container (200) or a hopper car (102). The top hatch cover operating mechanism comprises the hatch cover (230), a cylinder mount (206), a main operating lever (212), a connecting link (218), and a hatch locking lever (222). The cylinder mount (206) is coupled to a body (204) of the container (200), where the cylinder mount (206) is configured for pivotally connecting a piston to the body (204) of the container (200). The piston comprises an air cylinder (208) and a cylinder rod (210). The main operating lever (212) has a lower portion (212a) and an upper portion (212b), where the lower portion (212a) of the main operating lever (212) is connected to the cylinder rod (210) of the air cylinder (208). The main operating lever (212) is rotatably coupled to a main shaft mount (216). The connecting link (218) has a first extension (218b) and a second extension (218a), where the first extension (218b) is rotatably connected to the upper portion (212b) of the main operating lever (212), and the second extension (218a) is coupled to the hatch cover (230). The hatch locking lever (222) is rotatably coupled to the main shaft mount (216). The hatch locking lever (222) is configured to pivot around the main shaft mount (216) to move between a first position and a second position, in response to rotation of the main operating lever (212) along the main shaft mount (216), where the rotation of the main operating lever (212) is in response to the movement of the cylinder rod (210) from a first position to a second position. Further, the second extension (218a) of the connecting link (218) is enabled to open the hatch cover (230) on top (202) of the container (200), in response to the rotation of the first extension (218b) of the connecting link (218) connected to the upper portion (212b) of the main operating lever (212).
In another embodiment, the main operating lever (212) is a Z-shaped attachment.
In yet another embodiment, the first extension (218b) of the connecting link (218) is rotatably connected to the upper portion (212b) of the main operating lever (212) with a second pin (220b), and the second extension (218a) of the connecting link (218) is coupled to the hatch cover (230) with a hatch cover fulcrum (226), where the hatch cover fulcrum (226) is coupled to the hatch cover (230) with a hatch cover connector (228).
In yet another embodiment, the hatch cover connector (228) pivots about the hatch cover fulcrum (226) for opening the hatch cover (230).
In yet another embodiment, the connecting link (218) is an arch-shaped connecting link, where the arch-shaped connecting link (218) is accommodated over the main shaft mount (216) when the hatch locking lever (222) is in a locked position.
In yet another embodiment, the hatch cover operating mechanism comprises a hatch cover hinge (232) that fixes the hatch cover (230) to the body (204) of the container (200).
In yet another embodiment, a hatch locking pin (224) is attached to the hatch cover (230).
In yet another embodiment, the first position of the hatch locking lever (222) is a locked position, and the second position of the hatch locking lever (222) is an unlocked position. In the locked position, the hatch locking lever (222) is hooked on to the hatch locking pin (224) for securing the hatch cover (230) to the top (202) of the container (200). In the unlocked position, the hatch locking lever (222) is rotated away from the hatch locking pin (224) for the lifting of the hatch cover (230) from the top (202) of the container (200).
Other aspects and embodiments of the present invention will become apparent from the detailed description of the invention when read in conjunction with the attached drawings.
Embodiments of the present invention described herein are exemplary, and not restrictive. Embodiments will now be described, by way of examples, with reference to the accompanying drawings. In these drawings, each identical or nearly identical component that is illustrated in various figures is represented by a like reference character. For purposes of clarity, not every component is labeled in every drawing. The drawings are not necessarily drawn to scale, with emphasis instead being placed on illustrating various aspects of the techniques and devices described herein.
In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the invention. It will be apparent, however, to one skilled in the art that the invention can be practiced without these specific details. In other instances, structures, devices, activities, and methods are shown using schematics, use cases, and/or flow diagrams in order to avoid obscuring the invention. Although the following description contains many specifics for the purposes of illustration, anyone skilled in the art will appreciate that many variations and/or alterations to suggested details are within the scope of the present invention. Similarly, although many of the features of the present invention are described in terms of each other, or in conjunction with each other, one skilled in the art will appreciate that many of these features can be provided independently of other features.
Embodiments of the present invention relate to a top hatch cover operating mechanism. The top hatch cover operating mechanism is configured for opening and closing a hatch cover on a top of a container or a hopper car. In one embodiment, the present invention provides a system for an automatic operation of the top hatch cover for the container or the hopper car.
In an embodiment, the connecting link (218) rotates in response to the rotation of the main operating lever (212) around the main shaft mount (216) for lifting the hatch cover fulcrum (226) to open the hatch cover (230). The hatch cover hinge (232) pivots around a hinge fulcrum (234) for opening or closing the hatch cover (230).
In accordance with a preferred embodiment of the present invention, the hatch locking lever (222) of the automatic hatch cover operating mechanism moves from the first position to the second position, in response to rotation of the main operating lever (212) along with the main shaft mount (216), wherein the rotation of the main operating lever (212) is in response to the movement of the cylinder rod (210) from the first position to the second position when the air is applied to the air cylinder (208). The second extension (218a) of the connecting link (218) is enabled to open the hatch cover (230) on top (202) of the container (200), in response to the rotation of the first extension (218b) of the connecting link (218) connected to the upper portion (212b) of the main operating lever (212). The first position of the hatch locking lever (222) is the locked position, and the second position of the hatch locking lever (222) is the unlocked position. In the locked position, the hatch locking lever (222) is firmly hooked on to the hatch locking pin (224) for securing the hatch cover (230) to the top (202) of the container (200). In the unlocked position, the hatch locking lever (222) is rotated away from the hatch locking pin (224) for opening the hatch cover (230) on top (202) of the container (200).
In an exemplary embodiment, the hatch locking lever (222) of the automatic hatch cover operating mechanism moves from the second position to the first position, in response to rotation of the main operating lever (212) along with the main shaft mount (216), wherein the rotation of the main operating lever (212) is in response to the movement of the cylinder rod (210) from the second position to the first position when the air is released from the air cylinder (208). Further, the second extension (218a) of the connecting link (218) closes the top hatch cover (230) of the container (200), in response to the rotation of the first extension (218b) of the connecting link (218) connected to the upper portion (212b) of the main operating lever (212).
In one exemplary embodiment, the cylinder rod (210) extends forward, when moving from the first position to the second position, and the cylinder rod (210) moves backward when moving from the second position to the first position.
In another embodiment, the main operating lever (212) is Z or N shaped attachment.
In yet another embodiment, the first extension (218b) of the connecting link (218) is rotatably connected to the upper portion (212b) of the main operating lever (212) via the second pin (220b), and the second extension (218a) of the connecting link (218) is coupled to the hatch cover (230) with the hatch cover fulcrum (226), wherein the hatch cover fulcrum (226) is coupled to the hatch cover (230) with the hatch cover connector (228).
In yet another embodiment, the hatch cover connector (228) pivots about the hatch cover fulcrum (226) for opening or closing the hatch cover (230).
In yet another embodiment, the connecting link (218) is arch-shaped connecting link, wherein the arch-shaped connecting link (218) is accommodated over the main shaft mount (216) when the hatch locking lever (222) is in the locked position.
In yet another embodiment, the hatch cover operating mechanism comprises the hatch cover hinge (232) that fixes the hatch cover (230) to the body (204) of the container (200).
In yet another embodiment, the hatch locking pin (224) is attached to the hatch cover (230).
In yet another embodiment, the first position of the hatch locking lever (222) is the locked position, and the second position of the hatch locking lever (222) is the unlocked position. In the locked position, the hatch locking lever (222) is hooked on to the hatch locking pin (224) for securing the hatch cover (230) to the top (202) of the container (200). In the unlocked position, the hatch locking lever (222) is rotated away from the hatch locking pin (224) for the opening of the hatch cover (230) on top (202) of the container (200).
One of ordinary skill in the art knows that the use cases, structures, schematics, and flow diagrams may be performed in other orders or combinations, but the inventive concept of the present invention remains without departing from the broader scope of the invention. Every embodiment may be unique, and methods/steps may be either shortened or lengthened, overlapped with the other activities, postponed, delayed, and continued after a time gap, to accommodate to the practice of the methods of the present invention.
Although the present invention has been described with reference to specific exemplary embodiments, it will be evident that the various modification and changes can be made to these embodiments without departing from the broader scope of the invention. Accordingly, the specification and drawings are to be regarded in an illustrative sense rather than in a restrictive sense. It will also be apparent to the skilled artisan that the embodiments described above are specific examples of a single broader invention which may have greater scope than any of the singular descriptions taught. There may be many alterations made in the descriptions without departing from the scope of the present invention.
| Number | Date | Country | |
|---|---|---|---|
| 62968162 | Jan 2020 | US |
| Number | Date | Country | |
|---|---|---|---|
| Parent | PCT/US21/15595 | Jan 2021 | US |
| Child | 17868787 | US |
