• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Ramp for loading dock and its manufacturing method. The present invention refers to a ramp, or platform, for a loading dock, one of those used in loading and unloading facilities for the transit of goods, vehicles and people, between loading vehicles and reception-dispatch areas., where the formation of the structure on which the transit surface is installed, is formed by the coupling of the longitudinal reinforcement profiles in a groove of the transverse reinforcements, having a method of manufacturing horizontal welds without change of orientation and with the consequent saving in productive times. (Machine-translation by Google Translate, not legally binding)
    公开号:ES2783148A1
    申请号:ES201930236
    申请日:2019-03-13
    公开日:2020-09-16
    发明作者:Quero Juan Burgos；Trepat Isidre Conejos；Rodriguez Federico Rispa
    申请人:Quero Juan Burgos；
    IPC主号:
    专利说明:

    [0004] The present invention refers to a ramp, or platform, for a loading dock, of those used in loading and unloading facilities for the transit of goods, vehicles and people, between cargo vehicles and reception-dispatch areas. . This invention also relates to the method of manufacturing said ramp or platform.
    [0006] Background of the invention
    [0008] The ramps, or platforms, for loading docks known and which, therefore, are part of the state of the art, are based on a structure of longitudinal and transverse profiles that support a transit surface for goods, vehicles and people.
    [0010] These ramps or platforms are conventionally installed together with the loading docks, being able to be articulated and contain retractable claws installed in the structure of the ramp and that move out or hide under the transit surface to adapt the ramp or platform to the final distance between the loading dock and the loading and unloading surface of the expedition vehicle at said loading dock.
    [0012] The known ramps or platforms have longitudinal reinforcements usually formed by metal profiles in the shape of "L" or "U", which are welded to the transit surface and at their front and rear ends to the transverse reinforcements that are located in said extreme positions of the ramp or platform.
    [0014] In this way, said transverse reinforcements have the entire vertical part of each longitudinal profile welded on their inside. In turn, the transverse reinforcements are welded to the transit surface, and auxiliary pieces corresponding to the ramp joints, on the one hand, and the claw, on the other hand, are welded on their outer faces.
    [0016] With this conventional configuration, a set is available that requires a manufacturing process that performs weld joints in a multitude of joint sections of longitudinal reinforcements and transverse reinforcements, joint pieces. It is also necessary that in the automation process, these welds carried out by automated robots have to carry out various changes of horizontal and vertical orientation of said welds, which causes unproductive travel times of the welding robot, and therefore a waste of resources. All this means that the product requires a considerable production time and a significant material cost at the level of reinforcements and welds.
    [0018] Description of the invention
    [0020] The objective of the present invention is to provide a ramp for a loading dock and a method of manufacturing the same, according to independent claims 1 and 6, which manages to solve the aforementioned drawbacks, presenting other advantages that will be described below.
    [0022] In accordance with this objective, and according to a first aspect, the present invention provides a ramp for a loading dock, one of which has a structure on which a transit surface is installed.
    [0024] The ramp is characterized by the fact that the ramp structure comprises, at least:
    [0025] - Multiple longitudinal reinforcements;
    [0026] - One or more transverse reinforcements with a base for fixing to the transit surface with multiple slotted openings, which have a geometry complementary to the profile of the longitudinal reinforcements;
    [0028] The invention is also characterized by the fact that the longitudinal reinforcements are embedded in the slotted openings of the transverse reinforcements, remaining immobilized in their transverse positioning in the structure, the set of longitudinal and transverse reinforcements being joined between said parts and to the surface of transit.
    [0030] Advantageously, with the present invention, an assembly is achieved that is much simpler by introducing the longitudinal reinforcements into the slotted openings of the transverse reinforcements, arranged in a comb-like manner, thus their transverse position in the structure of the ramp is fixed. In the case of using more than one transverse reinforcement, said slotted openings will be arranged, preferably aligned to have a structure with an orthogonal inter-reinforcement arrangement.
    [0031] Preferably, the longitudinal reinforcements are flat in profile, at least at their end opposite the attachment to the transit surface.
    [0033] This advantageous configuration makes it possible to have a ramp structure that is easy to assemble and low in cost, since the flat profiles used as longitudinal reinforcements are the simplest and most cost-effective than those used conventionally, and allow an easier assembly of the transverse reinforcements between its slotted openings.
    [0035] Preferably, the ramp structure has at least two transverse reinforcements located substantially at the longitudinal ends of the ramp. This configuration allows the alignment of the longitudinal reinforcements along the entire length of the ramp, having the possibility of having other complementary intermediate reinforcements, according to the structural strength requirements of the ramp.
    [0037] Also preferably, and in the case of having at least said two transverse reinforcements located substantially at the longitudinal ends of the ramp, the longitudinal reinforcements must protrude at their terminations by each of these transverse reinforcements, said terminations of the longitudinal reinforcements, of ramp articulation steps at one end and / or ramp claw articulation steps at the other end.
    [0039] This advantageous configuration makes it possible to dispense with the auxiliary parts that are used in conventional configurations to be able to have the joints of the ramp itself on the loading dock, and / or the joint of the claw. In this way, by being contained in the same longitudinal reinforcement, and being able to be located on the outer face of the transverse reinforcement, there is a saving in parts and, above all, there is a saving in production times, since it dispenses with the placement and welding of the individual pieces for said joints.
    [0041] According to an embodiment of the invention, the joint between longitudinal reinforcements and transverse reinforcements is formed by welding at the meeting points parallel to the transit surface, which correspond to the end of the slotted opening where the free end of the profile of longitudinal reinforcement.
    [0043] This soldering through welding at these meeting points allows the soldering points to be reduced and having said joints welded in the same horizontal direction, that is, parallel to the transit surface, without requiring changes to perpendicular or oblique welds, that is to say, not parallel to the transit surface, which means lower material costs and, above all, production times.
    [0045] As an alternative to the above, the joint between longitudinal reinforcements and transverse reinforcements can be formed, in addition to welding at the meeting points of the end of the slotted opening where the free end of the longitudinal reinforcement profile fits, in a complementary way it can be carried out by means of complementary welding points at the meeting points of the fitting between said profile of the longitudinal reinforcement and the slotted opening of the transverse reinforcement in which it is fitted.
    [0047] These additional bonding points can be introduced in order to solve a greater demand for their resistance in the design, always prioritizing points that do not require the change to a vertical welding direction, that is, avoiding changes to perpendicular welding directions or oblique to the transit surface, preferring those corresponding to the contact at the base of the groove closest to the transit surface.
    [0049] According to another object of the invention, and according to a second aspect, a method of manufacturing a loading dock ramp as described in the characteristics indicated above in the present description is provided, in which the components of a structure are joined from ramp to a transit surface of said ramp.
    [0051] This manufacturing method is characterized by the fact that it consists of at least the following stages:
    [0052] - fit the profiles that form the longitudinal reinforcements in the slotted openings arranged in the transverse reinforcements;
    [0053] - horizontally weld, at least partially, the longitudinal reinforcements to the transit surface;
    [0054] - horizontally weld, at least partially, the transverse reinforcements to the transit surface; Y
    [0055] - horizontally weld the fitting of the longitudinal reinforcements to the transverse reinforcements, at least at the point of contact between the end of the profile of the longitudinal reinforcement and the end of the slotted opening of the transverse reinforcement
    [0057] In this regard, it should be understood that horizontal welds correspond to welds parallel to the plane of the transit surface, with which any of these Definitions is homonymous and are used interchangeably. In the same way, it should be understood that vertical welds correspond to the so-called welds perpendicular to the plane of the transit surface, as well as to oblique welds not parallel to the transit surface, with which any of these definitions is homonymous and they are used interchangeably.
    [0059] Thus, the present method allows the structure to be joined by practically horizontal welds, maintaining the conditions of stability and structural resistance required for the loads to be supported. This allows a great saving in welding production times, since by not having to change orientation in the welding direction by the robot that automatically performs said welds, said robot performs the welded joint much faster. the points indicated and, therefore, optimizes resources and in turn production costs.
    [0061] Alternatively, the joining weld between the longitudinal reinforcements and the transverse reinforcements is made at one or more complementary meeting points parallel to the transit surface, corresponding to the contact point between the profile of the longitudinal reinforcement and the end of the opening. grooved.
    [0063] The order of the previous stages may be different according to the industrialization needs of the product, being able to initially carry out the reinforcement of the transverse reinforcements to the transit surface, or instead carry out a first reinforcement between the longitudinal and transverse reinforcements, etc.
    [0065] As indicated above, these additional welding actions can be introduced for a greater demand in the design, always prioritizing the welding in points that do not require the change to a vertical welding direction, that is, avoiding changes to perpendicular or oblique weld directions, that is, not parallel to the transit surface, preferring those corresponding to the contact at the base of the groove closest to the transit surface.
    [0067] This novel configuration of the structure of the invention makes it possible to have a simpler and lower-cost structure than conventional ones, with an advantageous joining system of said structure and a method of making said interlocking that allows a saving of productive times and therefore associated costs.
    [0068] Brief description of the figures
    [0070] For a better understanding of what has been explained, some drawings are attached in which, schematically and only as a non-limiting example, a practical case of embodiment is represented.
    [0072] Figure 1 is a perspective view of a loading dock ramp corresponding to the state of the art.
    [0074] Figure 2 is a perspective view of the detail of the longitudinal, transverse and accessory reinforcing pieces of the embodiments included in the state of the art.
    [0076] Figure 3 is a perspective view of a loading dock ramp according to the present invention.
    [0078] Figure 4 is a perspective view of the detail of the longitudinal and transverse reinforcement pieces and accessories of a loading dock ramp according to the present invention.
    [0080] Figure 5 is a perspective view of the detail of the longitudinal reinforcement pieces installed on the transit surface of a loading dock ramp according to the present invention.
    [0082] Figure 6 is a perspective view of the detail of the longitudinal and transverse reinforcement pieces installed on the transit surface of a loading dock ramp according to the present invention.
    [0084] Figure 7 is a perspective view of the detail of the longitudinal and transverse reinforcement pieces, installed on the transit surface of a loading dock ramp according to the present invention, marking the welds used and with the articulated claw mounted on the ramp .
    [0086] Figure 8 is a perspective detail of the coupling of one end of a longitudinal reinforcement with a transverse reinforcement.
    [0088] Description of a preferred embodiment
    [0090] Next, various embodiments of the loading dock ramp and its manufacturing method, referring to the figures indicated above.
    [0092] According to a preferred embodiment of the invention and as can be seen in Figures 1 and 2, the ramps (100) comprised in the state of the art have a structure (111) to which a surface of transit (112), wherein said structure (111) is formed by longitudinal reinforcements (113) in the shape of a "U" that are welded horizontally to the transit surface (112) and vertically to each of the transverse reinforcements (114 ) in which they end.
    [0094] In this known state of the art, there are auxiliary pieces (115) that form the articulation openings of the claw (116) and some auxiliary pieces (117) that form the articulation openings of the ramp (100) itself, the which (115 and 117) are individually welded to the transverse reinforcements on their outer faces in order to be able to make said articulated joints to the claw (116) and to the corresponding loading dock where they are installed, not represented in the figures.
    [0096] In the present invention, and as shown in Figures 3 to 7, there is a ramp (10) that has a structure (11) to which a transit surface (12) is also attached.
    [0098] The structure (11) of the present invention is formed by a plurality of longitudinal reinforcements (13) of flat metal profile, which are coupled to two transverse reinforcements (14) arranged at the longitudinal ends of the ramp (10) that have openings grooved (20). This coupling is carried out by fitting the flat profile that forms the longitudinal reinforcement (13) in said grooves (20) of the transverse reinforcements (14).
    [0100] The coupling is carried out in such a way that the terminals (15 and 17) of the longitudinal reinforcements (13) protrude through the outer faces of the transverse reinforcements (14) so that said terminals (15 and 17) at one end form the openings of articulation (15) of a claw (16) and at the other end, they form the articulation openings (17) of the ramp (10) itself without the need for new auxiliary pieces to be incorporated to form them.
    [0102] In alternative embodiments, one or more intermediate transverse reinforcements are available to improve the structural strength conditions of the structure assembly, having the same configuration of slotted openings (20) for coupling to the longitudinal reinforcements (14).
    [0104] In another alternative embodiment, although it is not the preferred one because it does not include all the elements that give the invention more advantages, at least one longitudinal reinforcement ends on the inside face of at least one transverse reinforcement, without protruding, having to apply pieces aids for joints.
    [0106] For the manufacture of the ramp (10), the structure (11) is made by fitting the profiles that form the longitudinal reinforcements (13) in the slotted openings (20) arranged in the transverse reinforcements (14)
    [0108] With this structure (11) mounted, the joint to the transit surface (12) is carried out by making horizontal joining welds (32) of the longitudinal reinforcements (13) to said transit surface (12), as well as making horizontal welds of joining (31) of the transverse reinforcements (14) to said transit surface (12). Between the longitudinal reinforcements (13) and the transverse reinforcements (14), horizontal joint welds (33) are made at the point of contact between the free end of the longitudinal reinforcement profile (13) with the end of the slot opening (20 ).
    [0110] The fixing steps to the transit surface (12) or of the structure between its reinforcements (13, 14) can go before or after one stage of the other in an indistinct way, according to the preferences of the production process.
    [0112] Alternatively, there may be additional horizontal weld points between the longitudinal stiffeners (13) and the transverse stiffeners (14) at the starting contact point of the slotted opening (20) in its part contiguous to the surface of transit (12).
    [0114] Although reference has been made to a specific embodiment of the invention, it is evident to a person skilled in the art that the loading dock ramp and its described manufacturing method are susceptible to numerous variations and modifications, and that all mentioned details may be replaced by other technically equivalent ones, without departing from the scope of protection defined by the appended claims.
    权利要求:
    Claims (8)
    [1]
    1. Ramp for loading dock, of those that have a structure on which a transit surface is installed, characterized by the fact that the structure (11) of the ramp (10) comprises, at least:
    - Multiple longitudinal reinforcements (13);
    - One or more transverse reinforcements (14) with a base for fixing to the transit surface (12) with multiple slotted openings (20), which have a geometry complementary to the profile of the longitudinal reinforcements (13);
    wherein, the longitudinal reinforcements (13) are embedded in the slotted openings (20) of the transverse reinforcements (14), being immobilized in their transverse positioning in the structure (11), the set of longitudinal reinforcements (13) and transversal being (14) joined between said parts and to the transit surface (12).
    [2]
    2. Ramp for loading dock, according to claim 1, wherein the longitudinal reinforcements (13) have a flat profile, at least at their end opposite to the fixing on the transit surface (12).
    [3]
    3. Loading dock ramp, according to claim 1, wherein the structure (11) of the ramp (10) has at least two transverse reinforcements (14) located substantially at the longitudinal ends of the ramp ( 10).
    [4]
    4. Loading dock ramp, according to claim 3, wherein the longitudinal reinforcements (13) protrude at their terminations (15,17) for each of the transverse reinforcements (14) located at the longitudinal ends of the ramp (10), said terminations (15,17) of the longitudinal reinforcements (13), of articulation passages of the ramp (10) at one end and / or of articulation passages of the claw (16) of the ramp in the other extreme.
    [5]
    5. Loading dock ramp, according to any of the preceding claims, wherein the joint between longitudinal reinforcements (13) and transverse reinforcements (14) is formed by welding at the meeting points (33) parallel to the surface transit (12), which correspond to the end of the slotted opening (20) where the free end of the longitudinal reinforcement profile (13) fits.
    [6]
    6. Ramp for loading dock, according to claim 5, wherein the attached between longitudinal reinforcements (13) and transverse reinforcements (14), it is additionally formed by complementary welding points at the junctions of the fit between said profile of the longitudinal reinforcement (14) and the slotted opening (20) of the transverse reinforcement (14) in the one that fits.
    [7]
    7. Manufacturing method of a loading dock ramp as described in claims 1 to 6, in which the components of a ramp structure are attached to a transit surface of said ramp, characterized by the fact consisting of at least the following stages:
    - fitting the profiles that form the longitudinal reinforcements (13) in the slotted openings (20) arranged in the transverse reinforcements (14);
    - horizontally weld, at least partially, the longitudinal reinforcements (13) to the transit surface (12);
    - horizontally weld, at least partially, the transverse reinforcements (14) to the transit surface (12); Y
    - horizontally weld the engagement of the longitudinal reinforcements (13) to the transverse reinforcements (14), at least at the point of contact (33) between the end of the profile of the longitudinal reinforcement (13) and the end of the slotted opening (20 ) of the transverse reinforcement (14).
    [8]
    Manufacturing method, according to claim 7, wherein the joining weld between the longitudinal reinforcements (13) and the transverse reinforcements (14) is carried out at one or more complementary meeting points parallel to the transit surface ( 12), which correspond to contact between the profile of the longitudinal reinforcement (13) and the end of the slotted opening (20).
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    同族专利:
    公开号 | 公开日
    ES2783148B2|2021-01-27|
    EP3708525A1|2020-09-16|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US2089891A|1934-05-21|1937-08-10|Carnegie Illinois Steel Corp|Grating structure|
    US2666936A|1949-04-29|1954-01-26|Thomas O Palmer|Dock plate|
    US2906212A|1955-05-19|1959-09-29|American Zinc Lead & Smelting|Runway forming and load receiving multiple car assembly|
    US5781953A|1996-07-22|1998-07-21|Overhead Door Corporation|Dock leveler ramp|
    US20030049113A1|2001-09-13|2003-03-13|Overbye Transport, Inc.|Semi-trailer loading ramp for transporting atvs|
    US7430775B2|2002-12-13|2008-10-07|Prairie View Industries, Inc.|Vehicle ramp|
    ES2323101B1|2006-03-09|2010-04-06|Grupo Combursa S.L.|ANTI-THEFT LEVEL RAMP.|
    ES1075531Y|2011-09-20|2012-01-26|Inkema Sist S S L|RETRACTABLE RAMP OR PLATFORM.|
    法律状态:
    2020-09-16| BA2A| Patent application published|Ref document number: 2783148 Country of ref document: ES Kind code of ref document: A1 Effective date: 20200916 |
    2021-01-27| FG2A| Definitive protection|Ref document number: 2783148 Country of ref document: ES Kind code of ref document: B2 Effective date: 20210127 |
    优先权:
    申请号 | 申请日 | 专利标题
    ES201930236A|ES2783148B2|2019-03-13|2019-03-13|RAMP FOR LOADING SPRING AND METHOD OF MANUFACTURING THE SAME|ES201930236A| ES2783148B2|2019-03-13|2019-03-13|RAMP FOR LOADING SPRING AND METHOD OF MANUFACTURING THE SAME|
    EP20162343.6A| EP3708525A1|2019-03-13|2020-03-11|Ramp for a loading dock and manufacturing method for same|
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