MOBILE REBAR SUPPLY SYSTEM FOR PROVIDING UNLIMITED LENGTHS
A vehicle supported system having a support frame, a support surface, a number of a coil handlers and a coil leveler, all supported upon the support surface. The coil handlers are configured to rotatably support a coil of reinforcing bar material in a manner which allows the reinforcing bar materials to be unwound and fed from the coil. The coil leveler may be configured to receive the reinforcing bar materials and to perform a straightening operation which will provide a straightened rebar material at an output of the mobile outfeed device. The system may also include a mobile cutter positioned adjacent outfeed device to cut reinforcing bar materials to a desired length when that length has been provided through the output.
Reinforcing bar (hereinafter referred to as rebar or re-bar) used to strengthen concrete structures is often delivered to jobsites in predetermined lengths. For example, re-bar is typically delivered to a jobsite in 20-foot lengths, since this is a common length for handling, as it can be easily carried by flatbed trailers and can be unloaded/handled using forklifts or front-end loaders. Using material delivered at these lengths, contractors can then form internal re-bar structures that will be situated within poured concrete structures of many types (e.g., buildings, bridges, roadways, etc.). Delivering re-bar in these lengths however creates challenges when the structures being fabricated are longer, thus requiring some creativity to provide longer runs or spans of re-bar. In practice, these longer runs are typically achieved by tying together multiple segments. While effective, this is time consuming and labor intensive. In addition, the industry standard calls for a 2-foot overlap when re-bar is tied together, thus adding to the complexity of these “pieced together” structures and the time required to create them.
SUMMARYA mobile re-bar delivery system can provide a supply of re-bar materials of practically unlimited lengths to a jobsite efficiently and effectively, thereby avoiding the need for excess labor and complexity when producing concrete structures reinforced with re-bar. To accomplish this, a vehicle having a support frame and a support surface are provide to support a coil handler which will rotatably support a coil of reinforcing bar material in a manner which allows the reinforcing bar materials to be unwound and fed from the coil. An outfeed device is positioned adjacent to the coil handler and is configured to perform straightening operations, thereby providing a straightened re-bar material at an output of the outfeed device. A cutter is also positioned adjacent outfeed device to cut reinforcing bar materials to a desired length when that length has been provided through the output.
In some aspects, the mobile system is configured so the outfeed device and the mobile cutter are rotatably supported upon the vehicle support surface, thus allowing for the selective alignment of these components.
In further aspects, the mobile re-bar supply system further includes a bending device positioned adjacent the cutter which is configured to bend the desired length of reinforcing bar materials into a predetermined configuration.
From other perspective, the mobile re-bar delivery system is configured so that the outfeed device, the mobile cutter and the bending device are rotatably supported upon a turntable, which is positioned upon the vehicle support surface. The mobile re-bar delivery system may be configured so that the turntable supports at least two spools of re-bar material.
In an alternative embodiment, the mobile rebar delivery system is configured to have a mobile framework with a support surface capable of supporting a turntable. A plurality of spools can be placed upon the turntable or the support surface, with each spool configured to support a coil of rebar material. A coil leveler is also movably supported upon the turntable at a location adjacent one of the plurality of spools and configured to receive rebar material from the coil so as to perform straightening of the rebar material. The turntable is rotatable so that the coil leveler can be positioned so that its output is positioned at a transport orientation and a plurality of delivery orientations.
In some aspects, the mobile re-bar delivery system is configured so that the mobile framework is part of a flatbed trailer. In other aspects, the mobile re-bar delivery system wherein the mobile framework is part of a flatbed truck.
In certain aspects, the mobile re-bar delivery system further includes a bending tool mounted to the support surface. Further, the mobile re-bar delivery system may also include welding, heating and cutting tools, each of which are mountable to the vehicle support surface, turntable or mobile framework.
In other aspects, the mobile re-bar delivery system is supported by a mobile framework which has a support platform which is movable by a loader, and which can be carried by a trailer or a flatbed truck for transport to a construction site. The support platform may be modular and separable, thereby allowing for the loading and unloading of individual modular components, which can then be combined at a job site.
Further advantages of the re-bar delivery system will be better understood from the detailed description set forth below along with the drawings, in which:
Outlined below are various embodiments of a mobile re-bar delivery system which is capable of delivering re-bar to a jobsite of nearly unlimited length. Additionally, the mobile re-bar delivery system can be configured to produce straight re-bar stock, to cut re-bar to a desired length, and to carry out bending operations, thereby allowing for customization of rebar structures while at the jobsite.
The components used to deliver and customize re-bar are carried by a movable platform or vehicle to allow for mobility. In some embodiments, these components are carried by complementary vehicles such as a trailer or related vehicle. For example, coiled rebar could be carried by a first vehicle and the outfeed systems (or coil levelers), a cutting device and bending tools could be carried by a second vehicle. Alternatively, all of these components can be carried by a single vehicle. As will be discussed in further detail below, it is contemplated that several of these systems could be modular and easily replaceable depending on the particular needs of the construction project.
In the embodiment schematically shown in
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As an additional way to provide re-bar suppliers with flexibility and enhanced capabilities an alternative re-bar delivery module 100 could be configure as a customized re-bar delivery module that could be transported to a job site and placed in a beneficial location. One example of this embodiment is illustrated in
It is then contemplated that the re-bar delivery module 160 could be place upon a delivery truck or delivery trailer and transported to a job site as needed. Re-bar delivery module 100 would then be left at the jobsite until all re-bar work is completed. In this way, a trailer or truck is not “dedicated” to the custom re-bar delivery system. To accommodate transport, appropriate slots 108 are formed in sidewalls 104 to allow forks (e.g. the forks of a fork-lift, front end loader or boom truck) to be inserted into these slots and allow the entire module 100 transported and positioned as necessary.
In addition, the use of a modular approach (e.g. using rebar delivery module 100) may allow for additional flexibility by having certain portions of the module be expandable. As one example, first coil support 124 and second coil support 125 could be placed up a hinged or movable portion of the framework 110 without the need for platform 120. This would then allow for the use of expanded space on rebar delivery module 100) when in use. Alternatively, this could allow for the ability to handle multiple spools. Also, as mentioned, it would be possible to add bending, welding, or tying tools to the framework as needed. Also, the overall module could be formed of parts or segments that are combined at the job site, thus avoiding possible issues related to transportation.
While several advantages and beneficial features of the re-bar delivery system are apparent from the discussion above, some specific characteristics provide unique capabilities. For example, re-bar delivery system 10 is very mobile, thus providing the ability to bring custom re-bar delivery to the jobsite. Further, the system has the ability to produce re-bar of virtually any length (limited only by the overall length of rebar that can be carried upon a spool). The mobile system is easily reconfigurable, providing many tools for further customization of rebar segments. Additionally, the system can handle and configure re-bar of different thicknesses and types without the need for adjustment or using alternative delivery mechanisms.
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Although not specifically illustrated above, it is contemplated that the various components could be modular to enhance flexibility. For example, each spool 22 could be mounted on base 30, such as that illustrated in
Those skilled in the art may consider the above system as being particularly adapted to the delivery of custom lengths of steel or metal re-bar material. That said, the same system could also accommodate fiberglass or composite re-bar materials. When configured to accommodate fiberglass or composite re-bar materials, the configuration of the cutters and levelers will be configured to accommodate the unique characteristics of these materials.
Various embodiments of the invention have been described above for purposes of illustrating the details thereof and to enable one of ordinary skill in the art to make and use the invention. The details and features of the disclosed embodiment[s] are not intended to be limiting, as many variations and modifications will be readily apparent to those of skill in the art. Accordingly, the scope of the present disclosure is intended to be interpreted broadly and to include all variations and modifications coming within the scope and spirit of the appended claims and their legal equivalents.
Claims
1. A mobile system for providing supply of reinforcing bar materials to a jobsite, comprising:
- a vehicle having a support frame and a support surface;
- a coil handler supported by the support surface, the coil handler configured to rotatably support a coil of reinforcing bar material in a manner which allows the reinforcing bar materials to be unwound and fed from the coil;
- a mobile outfeed device positioned adjacent to the coil handler, the mobile outfeed device configured to receive the reinforcing bar materials and to perform a straightening operation which will provide a straightened rebar material at an output of the mobile outfeed device; and
- a mobile cutter positioned adjacent outfeed device to cut reinforcing bar materials to a desired length when that length has been provided through the output.
2. The mobile system of claim 1 wherein the outfeed device and the mobile cutter are rotatably supported upon the vehicle support surface to provide for selective alignment.
3. The mobile system of claim 1 further comprising a bending device positioned adjacent the cutter and configured to bend the desired length of reinforcing bar materials into a predetermined configuration.
4. The mobile system of claim 3 wherein the outfeed device, the mobile cutter and the bending device are rotatably supported upon a turntable which is positioned upon the vehicle support surface.
5. A mobile rebar delivery system, comprising:
- a mobile framework having a support surface;
- a turntable supported by the support surface;
- a plurality of spools configured to support a coil of rebar material, wherein at least one of the plurality of spools is supported on the turntable; and
- a coil leveler movably supported upon the turntable, the coil leveler having an input positioned adjacent the at least one of the plurality of spools configured to receive rebar material from the coil, the coil leveler further configured to perform a straightening process and provide straightened rebar material at a leveler output;
- wherein the turntable is rotatable so that the coil leveler output is positionable at a transport orientation and a plurality of delivery orientations.
6. The mobile rebar delivery system of claim 5 wherein the turntable supports two spools.
7. The mobile rebar delivery system of claim 5 wherein the mobile framework is part of a flatbed trailer.
8. The mobile rebar delivery system of claim 5 wherein the mobile framework is part of a flatbed truck.
9. The mobile rebar delivery system of claim 5 further comprising a bending tool mounted to the support surface.
10. The mobile rebar delivery system of claim 5 wherein the mobile framework comprised a support platform movable by a loader which can be placed upon a trailer or a flatbed truck for transport to a jobsite.
11. The mobile rebar delivery system of claim 5 wherein the plurality of spools are all supported on the turntable.
Type: Application
Filed: Apr 13, 2023
Publication Date: Jan 25, 2024
Inventor: Brian R Meldahl (Brownsdale, MN)
Application Number: 18/299,887