• 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:
    Joining system between a trailer (1) and a truck (2) comprising a lance (3) configured to be fixed to the truck (2) and to the trailer (1) where the lance (3) comprises two tubular bodies (4, 5) with the ability to move relative linearly between them, and where the system comprises a first support (9) with a rotation axis (23) for the lance (3) and a second support (12), configured to fix the lance (3) to the trailer (1), such that the system comprises a trailer lifting mechanism (26) to raise the height of the trailer (1), such that the system, by means of the supports (9, 12) and the lifting mechanism of the trailer (26) can match the height of the loading platforms of the truck and trailer (1) and can provide a connection between trailer (1) and truck (2) in safe conditions for circulation. (Machine-translation by Google Translate, not legally binding)
    公开号:ES2788685A1
    申请号:ES201930358
    申请日:2019-04-22
    公开日:2020-10-22
    发明作者:Areal Miguel Cabrera
    申请人:Efitrans Efficient Logistics S L；
    IPC主号:
    专利说明:

    [0002] Field of the invention
    [0003] The present invention refers to a joining system between trailer and truck that makes it possible to improve the loading maneuver of the truck with the trailer attached to the truck, thus improving the efficiency in the loading maneuver of the set. The articulated-extensible joint system between trailer and truck object of the invention is applicable in the logistics industry, specifically in the road transport industry.
    [0005] Background of the invention
    [0006] The connection systems between trailer and truck known in the state of the art are rigid systems, which are fixed to the trailer and the truck, and do not allow raising the height of the vehicle to which they are attached without unhooking the lance from the truck, since, As the lance is rigid, the trailer hitch does not allow lifting in height.
    [0008] Similarly, the rigid nature of the joining system means that the truck and trailer cannot be approached without unhooking the lance that connects them, which means that the loading of the trailer and the truck cannot be done continuously without This disconnection, and since the uncoupling is a laborious operation, it is not usually done but the trailer and the truck are loaded independently.
    [0010] Document ES2049263 T3 is known in the state of the art which discloses a short coupling with variable geometry for trailers where a connection means with elastic memory is connected in a position of minimum space between the trailer and the truck, with two symmetrical supports for butt and pivot the front face of the trailer relative to the rear face of the truck at the level of each corner, around a vertical axis located as close to each corner as possible, to obtain a path that clears the entire front face of the trailer when turns around when cornering.
    [0012] Document FR2636011A is also known which discloses a device for coupling between a trailer and a trailer vehicle in particular that has a mounted drawbar with the ability to move guided with respect to a fixed part of the trailer, said drawbar being secured to a mechanism of the hydropneumatic type enslaved by a control circuit by means of at least one sensor arranged level with the hitch to be pushed or otherwise depending on the angles between the tow vehicle and trailer, both in a vertical and horizontal plane.
    [0014] Description of the invention
    [0015] The object of the invention is a joining system between a trailer with a loading platform and a truck with a loading platform comprising a lance configured to be attached to the truck and the trailer.
    [0017] In the joining system object of the invention, the lance comprises a first tubular body and a second tubular body capable of linear displacement with respect to the first tubular body.
    [0019] In addition, to fix the lance to the trailer, the system comprises a first support comprising a part for fixing the lance and a part for fixing the trailer, such that between the part for fixing the lance and the part for fixing the trailer, the first support It comprises an axis of rotation for the lance, and also comprises a second support comprising a fixing piece to the lance and a fixing piece to the trailer, and fixing means between the fixing piece to the lance and the fixing piece to the trailer.
    [0021] The joint system object of the invention also comprises a trailer lifting mechanism configured to raise the height of the trailer with respect to a ground.
    [0023] In the joint system object of the invention, when the attachment to the lance with the attachment to the trailer of the second support do not join, and the lifting mechanism is activated, the system equals the height of the loading platforms of the truck and trailer, and such that when the attachment part to the drawbar and the attachment part to the trailer of the second support are attached, the drawbar is rigidly attached to the trailer, and when the trailer lifting mechanism does not act, the union system provides a union between trailer and truck in safe conditions for circulation.
    [0025] In the joint system between a trailer and a truck object of the invention the first The tubular body comprises four flat pieces equal to two by two, which are joined to form a box beam comprising a central housing of complementary section with the second tubular body and two projections on each side of the central housing.
    [0027] In the second support of the connection system between a trailer and a truck, the part for fixing the lance comprises two lugs joined by a lower plate and an upper plate in each lateral housing of the first tubular body, such that each upper plate comprises a orifice; the piece for fixing to the trailer comprises a main beam with two side plates and a support element attached to the side plates, such that the support element comprises a frusto-conically shaped projection configured to be housed in the hole in the upper plate.
    [0029] In the joint system between a trailer and a truck that is the object of the invention, the fixing means between the part for fixing the lance and the part for fixing the trailer of the second support, comprise a bolt configured to be inserted into a housing of the projection of the frusto-conical shape of the support element of the attachment to the trailer and abut the lower plate of the attachment to the lance, such that with the frusto-conical projection housed between the lower plate and the upper plate, the bolt fixes the attachment to the trailer with the attachment to the tiller.
    [0031] In another embodiment of the joining system between a trailer and a truck that is the object of the invention, the fixing means between the attachment to the lance and the attachment to the trailer of the second support comprise a pneumatic attachment means.
    [0033] In the joint system between a trailer and a truck that is the object of the invention, the trailer's lifting mechanism comprises telescopic ones with the capacity to rotate with respect to the trailer.
    [0035] The telescopes of the joint system between a trailer and a truck object of the invention are to choose between pneumatic, hydraulic, mechanical and a combination of the above.
    [0037] Brief description of the drawings
    [0038] To complement the description that is going to be made below and in order to help a better understanding of the characteristics of the invention, the following is attached the present specification of a set of drawings based on which the innovations and advantages of the device object of the invention will be more easily understood.
    [0040] Figure 1 shows a perspective view of a road train in running position, made up of a truck and a trailer, where the system of the invention is shown by joining both vehicles.
    [0042] Figure 2 shows a detailed view of a truck and a trailer with the joint system object of the invention in its joint position of the first support and with the lance in its extended position.
    [0044] Figure 3 shows a view of a truck and a trailer with the joining system that is the object of the invention, connecting both vehicles in their release position from the second support.
    [0046] Figure 4 shows a perspective view of the system of the invention, where the lance and the trailer lifting mechanism are shown in the driving position.
    [0048] Figure 5 shows a perspective view of the system of the invention, where the lance and the trailer lift mechanism are shown, in the loading / unloading position.
    [0050] Figure 6 shows a perspective view of the lance of the system of the invention in its retracted position.
    [0052] Figure 7 shows a perspective view of the lance of the system of the invention in its extended position.
    [0054] Figure 8 shows a detailed view of the second support of the lance of the system of the invention closed.
    [0056] Figure 9 shows a detailed view of a section of the second support in its closed circulation position, the upper and lower part engaging.
    [0057] Figure 10 shows a detailed view of the first support of the lance of the system of the invention, open, the upper part of the support is shown free with respect to the lower one.
    [0059] Figure 11 shows a detailed view of the anchoring of the second support to the trailer frame, in its free position, that is, with the upper part not engaging in the lower part, loading / unloading position.
    [0061] Figure 12 shows a detailed view of the first support.
    [0063] Figure 14 shows a detailed view of the trailer lifting mechanism of the system object of the invention when the road train is in the taxiing position.
    [0065] Figure 15 shows a detailed view of the trailer lifting mechanism of the system object of the invention when the road train is in the loading / unloading position.
    [0067] The different numerical references that are reflected in the figure correspond to the following elements:
    [0068] 1. trailer,
    [0069] 2. truck
    [0070] 3. spear
    [0071] 4. first tubular body
    [0072] 5. second tubular body
    [0073] 6. central body
    [0074] 7. tabs
    [0075] 8. side housing
    [0076] 9. first support
    [0077] 10. fixing piece to the lance of the first support,
    [0078] 11. piece of attachment to the trailer of the first support,
    [0079] 12. second bracket,
    [0080] 13. fixing piece to the lance of the second support,
    [0081] 14. piece of attachment to the trailer of the second support,
    [0082] 15. lug,
    [0083] 16. bottom plate,
    [0084] 17. top plate,
    [0085] 18. hole,
    [0086] 19. main beam,
    [0087] 20. side plate,
    [0088] 21. support element,
    [0089] 22. outgoing,
    [0090] 23. axis of rotation,
    [0091] 24. bolt,
    [0092] 25. housing the projection,
    [0093] 26. trailer lifting mechanism,
    [0094] 27. telescopic, and
    [0095] 28. fixing means between the attachment to the lance and the attachment to the trailer of the second support,
    [0097] Detailed description of the invention
    [0098] The joining system between a trailer (1) and a truck (2) object of the invention comprises a connecting lance (3) between the truck (2) and the trailer (1), lance (3) comprising a first body tubular (4) and a second tubular body (5) housed inside the first tubular body (4), such that the second tubular body (5) has the capacity to move linearly with respect to the first tubular body (4), that is, the lance (3) has a telescopic configuration.
    [0100] In the preferred embodiment of the invention, the first tubular body (4) comprises four flat pieces equal to two by two, which are joined to form a box girder, comprising:
    [0101] - a central housing (6) with a complementary section with the second tubular body (5), which we recall is housed inside the first tubular body (4),
    [0102] - two projections (7) on each side of the central housing (6), such that between two projections a lateral housing (8) is configured on each side of the central housing (6).
    [0104] For fixing the lance (3) to the trailer (1), the system object of the invention comprises:
    [0105] - a first support (9) comprising a piece for fixing to the drawbar (10) and a piece for fixing to the trailer (11), such that between the piece for fixing the drawbar (10) and the piece for fixing the trailer (11) the first support (9) comprises an axis of rotation (23) around which the lance (3) has the capacity for rotation, and - a second support (12) comprising a part for fixing the lance (13) and a part for fixing the trailer (14), and fixing means (28) between the part for fixing the lance (13) and the trailer attachment piece (14), such that by joining the trailer attachment piece (13) with the trailer attachment piece (14) the drawbar (3) trailer (1) is joined by the two supports (9 , 12) and the lance (3) is positioned in parallel with the rolling plane of the truck (2) and trailer (1) assembly.
    [0107] The attachment of the lance (3) to the truck (2) is carried out by means of attachment means known in the state of the art.
    [0109] In the preferred embodiment of the second support (12), the lance fixing part (13) comprises two lugs (15) joined by a lower plate (16) and an upper plate (17) in each lateral housing (8) of the first tubular body (4), such that each upper plate (17) comprises a hole (18). In the same way, the trailer fixing piece (14) comprises a main beam (19) with two side plates (20) and a support element (21) joined to the side plates (20) such that the support element ( 21) has a frusto-conically shaped projection (22) configured to lodge in the hole (18) of the upper plate (17).
    [0111] The fixing means (28) between the attachment to the lance (13) and the attachment to the trailer (14) of the second support (12), in the preferred embodiment of the invention, comprise a bolt (24) that it is inserted into a housing (25) of the projection (22) of frustoconical shape of the support element (21) of the piece for fixing to the trailer (14) and abuts the bottom plate (16) of the piece for fixing to the lance (13), so that the frusto-conically shaped projection (22) is housed between the lower plate (16) and the upper plate (17) with the support element (21) against the upper plate (17) and the bolt (24) fixing the trailer fixing piece (14) to the lance fixing piece (13).
    [0113] In another embodiment of the invention, the fixing means (28) between the fixing piece to the lance (13) and the fixing piece to the trailer (14) of the second support (12), comprise a pneumatic fixing means that acts similarly to bolt (24).
    [0115] The system object of the invention also comprises a trailer lifting mechanism (26), configured to raise the height of the trailer (1) with respect to the ground, so that the trailer floor (1) and the truck floor (2) they are flush.
    [0116] In the preferred embodiment of the invention, the trailer lifting mechanism (26) comprises telescopic (27) with the ability to rotate with respect to the connection with the trailer (1).
    [0118] The telescopes (27) of the trailer lifting mechanism (26) of the system object of the invention are to choose between pneumatic, hydraulic, mechanical and a combination of the above.
    [0120] Thus, the joint system between a truck and a trailer object of the invention has two positions:
    [0121] - a truck loading position, in which the lance is disconnected from the second support (12), with the trailer lifting mechanism (26) raising said trailer (1) and with the second tubular body (5) inside of the first tubular body (4), that is, the trailer (1) is in a position close to the truck (2), with the loading platforms at the same level and therefore facilitating the loading of the truck plus trailer assembly from the rear of the Same with a forklift that can move from trailer to truck without interruption.
    [0122] - A driving position, in which the lance (3) is fixed to both the first support (9) and the second support (12) and is in a position parallel to the rolling plane of the truck (2) plus trailer (1) , the trailer lifting mechanism (26) is deactivated and the second tubular body (5) is in the extended position, that is to say with most of it outside the first tubular body (4).
    [0124] In the driving position, as the trailer (1) has lowered its upper part is flush with the upper part of the truck, but it has a higher loading height since the loading platform is located lower, and the distance between a trailer ( 1) and a truck (2) is the normalized distance between them for safe circulation.
    权利要求:
    Claims (6)
    [1]
    1. Union system between a trailer (1) with a loading platform and a truck (2) with a loading platform, comprises a lance (3) configured to be attached to the truck (2) and to the trailer (1) characterized by what:
    - the lance (3) comprises a first tubular body (4) and a second tubular body (5) capable of linear displacement with respect to the first tubular body (4), - to fix the lance (3) to the trailer (1), the system comprises:
    - a first support (9) comprising a piece for fixing to the drawbar (10) and a piece for fixing to the trailer (11), such that between the piece for fixing the drawbar (10) and the piece for fixing the trailer (11) the first support (9) comprises a rotation axis (23) for the lance (3), and
    - a second support (12) comprising a part for fixing the lance (13) and a part for fixing the trailer (14), and fixing means (28) between the part for fixing the lance (13) and the trailer fixing piece (14),
    - The system also comprises a trailer lifting mechanism (26) configured to raise the height of the trailer (1) with respect to the ground, such that when the attachment to the lance (13) and the attachment to the trailer (14 ) of the second support (12) are not joined, and the lifting mechanism is activated, the system equalizes the height of the loading platforms of the truck and the trailer (1), and such that when the fixing piece is attached to the The lance (13) with the trailer attachment part (14) of the second support (12), the lance (3) is rigidly attached to the trailer (1), and the trailer lifting mechanism (26) does not act, the Union system provides a union between trailer (1) and truck in safe conditions for circulation.
    [2]
    2. Union system between a trailer (1) and a truck (2) according to claim 1 characterized in that:
    - The first tubular body (4) comprises four flat pieces equal to two by two, which are joined to form a box beam comprising a central housing (6) of complementary section with the second tubular body (5) and two projections (7) a each side of the central housing (6),
    - on the second support (12):
    - the part for fixing the lance (10) comprises two lugs (15) joined by a lower plate (16) and an upper plate (17) in each housing side (8) of the first tubular body (4), such that each upper plate (17) comprises a hole (18);
    - the trailer attachment part (11) comprises a main beam (19) with two side plates (20) and a support element (21) attached to the side plates (20),
    such that the support element (21) comprises a projection (22) with a frustoconical shape configured to be housed in the hole (18) of the upper plate (17).
    [3]
    3. Union system between a trailer (1) and a truck (2) according to claim 2, characterized in that the fixing means (28) between the fixing piece to the lance (13) and the fixing piece to the trailer ( 14) of the second support (12) comprise a bolt (24) configured to be inserted into a housing (25) of the projection (22) in a frustoconical shape of the support element (21) of the trailer fixing part (14) and make butt with the lower plate (16) of the fixing piece to the lance (13), such that with the projection (22) of frustoconical shape housed between the lower plate (16) and the upper plate (17), the bolt ( 24) fixes the attachment to the trailer (14) with the attachment to the tiller (13).
    [4]
    Connection system between a trailer (1) and a truck (2) according to claim 2, characterized in that the fixing means (28) between the fixing piece to the lance (13) and the fixing piece to the trailer ( 14) of the second support (12) comprise a pneumatic fixing means.
    [5]
    5. Joining system between a trailer (1) and a truck (2) according to any of claims 1 to 4 characterized in that the lifting mechanism of the trailer (26) comprises telescopic (27) with the ability to rotate with respect to the trailer (1).
    [6]
    6. Joining system between a trailer (1) and a truck (2) according to claim 5 characterized in that the telescopic (27) are to choose between pneumatic, hydraulic, mechanical and a combination of the above.
    类似技术:
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    ES1259166U|2021-01-18|Chassis for dump truck. |
    ES2343611B1|2011-06-20|SWING TRUCK WITH IMPROVED MECHANISM.
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    同族专利:
    公开号 | 公开日
    EP3960508A1|2022-03-02|
    ES2788685B2|2021-10-05|
    WO2020216974A1|2020-10-29|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US2628126A|1948-03-18|1953-02-10|Trailmobile Inc|Two-wheel dump trailer|
    US4589670A|1983-06-10|1986-05-20|Sweetin Willard L|Convertible truck/trailer assembly and method|
    EP1216856A2|2000-12-23|2002-06-26|Deere & Company|Trailer coupling for a work vehicle|
    US20120013093A1|2007-04-17|2012-01-19|A Noy Development Ii, Llc|Modular and collapsible storage and/or transport container apparatus and method and utility trailer system|
    FR2636011B1|1988-09-06|1992-07-31|Trouillet Carrosserie|
    法律状态:
    2020-10-22| BA2A| Patent application published|Ref document number: 2788685 Country of ref document: ES Kind code of ref document: A1 Effective date: 20201022 |
    优先权:
    申请号 | 申请日 | 专利标题
    ES201930358A|ES2788685B2|2019-04-22|2019-04-22|JOINT SYSTEM BETWEEN TRAILER AND TRUCK|ES201930358A| ES2788685B2|2019-04-22|2019-04-22|JOINT SYSTEM BETWEEN TRAILER AND TRUCK|
    PCT/ES2020/070251| WO2020216974A1|2019-04-22|2020-04-21|System for connecting a trailer and a truck|
    EP20795332.4A| EP3960508A1|2019-04-22|2020-04-21|System for connecting a trailer and a truck|
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