The present disclosure relates to structural assemblies connected to a vehicle used to mount a weapon to the vehicle.
This section provides background information related to the present disclosure which is not necessarily prior art.
Weapons such as machine guns, automatic weapons having belted ammunition, flame throwers, gatling guns, and the like that are not easily manually transported are often mounted to small, un-armored, or lightly armored vehicles to support the weight of the weapon and provide for rapid deployment. Structure used to mount the weapon needs to accommodate the weight and firing loads of the weapon while minimizing the weight impact to the vehicle. It is therefore common for multiple leg mounts such as tripods to be used both to provide elevation of the weapon and to distribute the loads to the vehicle, or for tubular mounts to be used.
Multiple leg mounts provide point loading at the contact area of the legs. When a plate is used as the main contact point, even with multiple legs used for extending the weapon, the plate can produce localized high stress areas at the plate connection joint or at points of contact of the structure with the vehicle. In addition, common weapon mounts that are welded use continuous weld joints that increase both a construction cost and mount weight.
This section provides a general summary of the disclosure, and is not a comprehensive disclosure of its full scope or all of its features.
According to several embodiments of a gun mount of the present disclosure, a gun mount for mounting a weapon to a vehicle includes a weapon mount plate defining a planar surface. First and second side plates are oriented at an angle with respect to the planar surface of the weapon mount plate. Front and rear plates are oriented perpendicular to the weapon mount plate and the first and second side plates. A male tab extends from individual ones of both the first and second side plates or both the front and rear plates. A female slot is created in individual ones of both the first and second side plates or both the front and rear plates not having the male tab. The female slot is aligned to slidably receive the male tab with a freely extending portion of the male tab extending beyond the female slot. A tab weld joint is created at the freely extending portion of the male tab to fix the first and second side plates to the front and rear plates.
According to other embodiments, a gun mount for mounting a weapon to a vehicle includes a weapon mount plate defining a planar surface. First and second side plates are oriented at an angle with respect to the planar surface of the weapon mount plate. Front and rear plates are oriented perpendicular to the weapon mount plate and the first and second side plates supporting the weapon mount plate and fixed to the first and second side plates. A male tab extends from individual ones of both the first and second side plates. A female slot is created in individual ones of both the front and rear plates. The female slot is aligned to slidably receive the male tab with a freely extending portion of the male tab extending beyond the female slot. A tab weld joint is created at the freely extending portion of the male tab to fix the first and second side plates to the front and rear plates.
According to further embodiments, a gun mount for mounting a weapon to a vehicle includes a weapon mount plate defining a planar surface. A weapon is supported on and connected to the weapon mount plate. First and second side plates are oriented at an angle with respect to the planar surface of the weapon mount plate. Front and rear plates are oriented perpendicular to the weapon mount plate and the first and second side plates supporting the weapon mount plate and fixed to the first and second side plates. A plurality of male tabs extends from individual ones of both the first and second side plates. A plurality of female slots is created in individual ones of both the front and rear plates. The female slots are individually aligned to slidably receive individual ones of the male tabs with a freely extending portion of the male tabs extending beyond the female slots. A tab weld joint is created at the freely extending portion of the male tabs to fix the first and second side plates to the front and rear plates. A load created by a firing frequency of the weapon is incorporated in a calculated wall thickness of the first and second side plates and the front and rear plates and a quantity of the male tabs.
Further areas of applicability will become apparent from the description provided herein. The description and specific examples in this summary are intended for purposes of illustration only and are not intended to limit the scope of the present disclosure.
The drawings described herein are for illustrative purposes only of selected embodiments and not all possible implementations, and are not intended to limit the scope of the present disclosure.
Corresponding reference numerals indicate corresponding parts throughout the several views of the drawings.
Example embodiments will now be described more fully with reference to the accompanying drawings.
Example embodiments are provided so that this disclosure will be thorough, and will fully convey the scope to those who are skilled in the art. Numerous specific details are set forth such as examples of specific components, devices, and methods, to provide a thorough understanding of embodiments of the present disclosure. It will be apparent to those skilled in the art that specific details need not be employed, that example embodiments may be embodied in many different forms and that neither should be construed to limit the scope of the disclosure. In some example embodiments, well-known processes, well-known device structures, and well-known technologies are not described in detail.
The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting. As used herein, the singular forms “a,” “an,” and “the” may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms “comprises,” “comprising,” “including,” and “having,” are inclusive and therefore specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order discussed or illustrated, unless specifically identified as an order of performance. It is also to be understood that additional or alternative steps may be employed.
When an element or layer is referred to as being “on,” “engaged to,” “connected to,” or “coupled to” another element or layer, it may be directly on, engaged, connected or coupled to the other element or layer, or intervening elements or layers may be present. In contrast, when an element is referred to as being “directly on,” “directly engaged to,” “directly connected to,” or “directly coupled to” another element or layer, there may be no intervening elements or layers present. Other words used to describe the relationship between elements should be interpreted in a like fashion (e.g., “between” versus “directly between,” “adjacent” versus “directly adjacent,” etc.). As used herein, the term “and/or” includes any and all combinations of one or more of the associated listed items.
Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as “first,” “second,” and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.
Spatially relative terms, such as “inner,” “outer,” “beneath,” “below,” “lower,” “above,” “upper,” and the like, may be used herein for ease of description to describe one element or feature's relationship to another element(s) or feature(s) as illustrated in the figures. Spatially relative terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as “below” or “beneath” other elements or features would then be oriented “above” the other elements or features. Thus, the example term “below” can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
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The front and rear plates 18, 20 are individually fixed to first and second channels 24, 26 and third and fourth channels 28, 30 respectively which extend laterally outwardly defining a total length “L” of the gun mount 10. The first and second channels 24, 26 are both connected to a first outrigger member 32, and the third and fourth channels 28, 30 are both connected to a second outrigger member 34 which can both be provided as C-shaped channels. The first and second channels 24, 26 are oriented parallel to and abut against front plate 18. The third and fourth channels 28, 30 are oriented parallel to and abut against rear plate 20. The first and second outrigger members 32, 34 are oriented perpendicular to the first and second channels 24, 26 and the third and fourth channels 28, 30. The first and second outrigger members 32, 34 further distribute the loads carried through the first and second side plates 14, 16, the front and rear plates 18, 20 and the channels 24, 26, 28, 30 and provide mounting connections to connect gun mount 10 to a vehicle which is shown and described in reference to
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Generally U-shaped first and second central stiffening members 38, 40 are oriented perpendicular to front and rear plates 18, 20 and extend beyond rear plate 20 in a rearward direction “A” to increase a torsional stiffness of gun mount 10. First and second central stiffening members 38, 40 each includes an angled wing portion 42, 44 which are directed toward each other and upwardly toward weapon mount plate 12. An elevation peak 46 is created between first and second central stiffening members 38, 40 at the inward ends of angled wing portions 42, 44. A longitudinal support member 47 extends above the first and second central stiffening members 38, 40 and is positioned between the first, second, third and fourth channels 24, 26, 28, 30. Longitudinal support member 47 includes male tabs that are received in female slots of both the first and second side plates 14, 16 such that longitudinal support member 47 directly contacts an under-facing surface of both the first and second side plates 14, 16 to help minimize deflection of first and second side plates 14, 16. Longitudinal support member 47 also provides structural support for weapon mount plate 12. Additional mid-positioned first and second brace members 48, 50 are oppositely positioned with respect to each connected to first and second central stiffening members 38, 40. First brace member 48 is connected to each of first and third channels 24, 28. Second brace member 50 is connected to each of second and fourth channels 26, 30.
A first width “W1” of gun mount 10 is defined between forward facing sides of first and second channels 24, 26 and rearward facing sides of third and fourth channels 28, 30. The lengths of first and second outrigger members 32, 34 define a second width “W2” of gun mount 10. The forward ends of first and second outrigger members are aligned with the forward facing sides of first and second channels 24, 26. A width difference between second width “W2” and first width “W1” defines an extension length “EL” of the first and second outrigger members 32, 34 which provides additional torsional stiffness of gun mount 10 without the additional weight and cost of extending first width “W1” in rearward direction “A” to achieve the desired torsional stiffness.
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A connecting plate 60 is fixed to gun mount 10 directly below and directly supporting weapon mount plate 12. A support frame 62 is positioned below connecting plate 60 and extends between front and rear plates 18, 20 to provide additional support for weapon mount plate 12. Male tabs of support frame 62 (described in reference to
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Additional geometries for the tabs and slots of the present disclosure include a T-shaped tab 88 which in the example shown is integrally and homogeneously connected to second side plate 16 and extends past front plate 18. T-shaped tab 88 includes a narrow neck 90 which slidingly fits into a slot 92 created in an upward facing edge 93 of front plate 18. First and second faces 94, 96 of T-shaped tab 88 abut against an outer face 98 of front plate 18 while at the same time an outer edge 97 of second side plate 16 abuts against an inner face 99 of front plate 18 to collectively “lock” front plate 18 to second side plate 16 and thereby prevent front plate 18 from moving in either of the rearward direction “A” or a forward direction “B”. T-shaped tab 88 therefore provides a positive lock to resist outward displacement of the front plate 18 by carrying a tensile load in a lateral direction of the second plate 16 while at the same time neck 90 of T-shaped tab 88 carries a portion of a downwardly directed load in a load direction “C” from second side plate 16 to front plate 18. According to other embodiments, the T-shaped tabs 88 can be integrally connected to the front and rear plates 18, 20 with slots 92 created in the first and second plates 14, 16.
As best seen with further reference to both
Still other geometries for the tabs and slots include tapered tabs 100 which integrally and homogeneously extend from members of gun mount 10 such as support frame 62 in the example shown, which are slidingly received in rectangular shaped slots 102 for example created in front plate 18. Tapered tabs 100 include at least one tapered face 104 that assists in aligning the tabs for sliding into the slots 102. Tapered tabs 100 can also be used in multiple or ganged configurations, as shown with respect to tapered tabs 106, 108 which extend from two different components but abut together through a single, enlarged rectangular shaped slot 109.
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Gun mounts 10 of the present disclosure provide the following advantages. A lightweight gun mount is provided for roof mounting to a military vehicle which uses aluminum material plates with apertures for weight reduction and channel members such as C-shaped channels for joining the plates and distributing the loads. The structure of tab and slot joints connecting the plates permits the tabs to be included in the structural analysis. Tab weld joints applied at each tab reduce a total amount of continuous weld joints required to assemble the gun mount. A natural or modal frequency of the gun mount accommodates both the weapon weight and its operating frequency, which allows the mount design to be optimized to minimize the operating load transferred to the roof of the vehicle. The use of outriggers oriented parallel to the vehicle roof or armor plating having connecting fasteners positioned between the outriggers and the vehicle roof or armor plating outwardly distributes the structural weight and weapon loads without increasing a width of the gun mount to the full length of the outriggers.
The foregoing description of the embodiments has been provided for purposes of illustration and description. It is not intended to be exhaustive or to limit the disclosure. Individual elements or features of a particular embodiment are generally not limited to that particular embodiment, but, where applicable, are interchangeable and can be used in a selected embodiment, even if not specifically shown or described. The same may also be varied in many ways. Such variations are not to be regarded as a departure from the disclosure, and all such modifications are intended to be included within the scope of the disclosure.