• 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:
    The subject of the present invention is an agricultural vehicle (1) comprising a container (2) mounted on at least one wheel train (1 ') (6, 6'), in which the container (2) rests by means of fastening brackets (9, 11) and load cells or weighing cells (4, 4 '), preferably directly, that is to say without the use of an intermediate frame, on one or more axles (x) (3) forming said wheel train (1 '). Vehicle (1) characterized in that the container (2) is mounted on the axle (3) or each of the axles (3) of the train (1 ') considered via at least two pairs of load cells (4). , 4 '), each pair consisting of two load cells (4 and 4') situated on either side of a plane (PV) parallel to the vertical planes containing the axes (X, X ') of the axles (3) of the train (1 ') with several axles.
    公开号:FR3053209A1
    申请号:FR1670356
    申请日:2016-06-30
    公开日:2018-01-05
    发明作者:Florent Mignon；Alain Portrait；Mickael Cosson
    申请人:Kuhn Audureau SA；
    IPC主号:
    专利说明:

    DESCRIPTION
    The present invention relates to the field of agricultural machinery, more particularly agricultural rolling stock intended for transporting food materials or not, and capable of weighing the quantity transported.
    The invention relates more specifically to an agricultural vehicle equipped with a container and a weighing means, in particular a tipper trailer, a mixer trailer or the like.
    In certain applications in the agricultural field, it is highly desirable to be able to weigh a load transported by a vehicle such as a trailer without requiring additional external weighing means, that is to say by having an integrated weighing means, preferably tared with respect to the empty container.
    This is particularly the case for mixers or mixing trailers intended to ensure the distribution of mixtures of fibrous, granular and / or pulverulent foodstuffs in bulk in the form of rations optimized from the nutritional point of view and from the technical and economic point of view.
    In this context, weighing is the key element for the realization of the ration corresponding to all the constituent foods of a diet distributed daily in order to meet their needs. Thus, for the production of milk from dairy cows, the ration must almost always be identical, it is composed of coarse fodder (hay, silage of grass and corn), succulent feeds (cereals) and concentrated feeds (cakes, protein seeds) to compensate for any nutritional imbalances.
    To achieve a relatively homogeneous distribution mixture, these materials include rotary members such as screws. This is particularly the case for mixers of the types known under the designations EUROMIX or PROLILE (registered trademarks) of the company KUHN.
    These mixers of course also have a drawbar and a rolling device of the single axle or double axle type (for large capacity mixers).
    In certain variant embodiments of these known mixers, as well as in the mixer known from the document
    -2DE 10348206, the container intended to contain the ration rests on a double axle by means of load cells or similar weighing sensors, preferably directly, that is to say without the use of an intermediate chassis. In fact, a construction without a chassis is simpler and less expensive since there is no complex chassis to make (the chassis is complex because all of the body and the unloading / mulching equipment must be suspended).
    In this known embodiment of the aforementioned DE document, the container rests on the double axle by two load cells, that is to say by a load cell arranged near each front wheel (the one which is pushed by the load cell link). These two load cells normally support most of the load. The mounting of these two scales is cantilevered and requires reinforcement over the height of the container for sufficient structural strength. This limited number of support and connection points does not favor an optimal distribution of the forces and constraints at the level of the container (generally a body made of mechanically welded sheet metal). The weighing means also comprises at least one additional load cell at the drawbar, more precisely at the level of the coupling ring.
    In addition, in large capacity machines, the load cells, in particular the two load cells ensuring the container-axle connection, must be sized to be able to withstand high loads. This results in the use of load cells with a large overall height, due in particular to a larger section, and the price of which is high. The bottom of the container is thus moved at a distance (upwards) from the wheels, thus reducing the stability of the mixers in the loaded state (upward movement of the center of gravity), making loading more tedious and possibly preventing their passage. through doors or access passages of limited height.
    The problem posed by the present invention consists in proposing a solution making it possible to overcome the aforementioned limitations, in particular, but not limited to, for mixers or mixer trailers.
    To this end, the subject of the invention is an agricultural vehicle comprising a container mounted on at least one set of wheels, in particular trailer, tipper, mixer or mixer trailer, and in which the container rests by means of plates or mounting brackets and load cells or load cells, preferably directly,
    -3 that is to say without the implementation of an intermediate chassis, on one or more axle (s) forming said wheel set, vehicle characterized in that the container is mounted on the axle or each of the axles of the train in question by means of at least two pairs of load cells, each pair being constituted by two load cells located on either side of a vertical plane containing the axis of the axle, in the case of a single axle train, or a plane parallel to the vertical planes containing the axes of the axles of a multi-axle train.
    The invention will be better understood from the following description, which relates to preferred embodiments, given by way of nonlimiting examples, and explained with reference to the appended schematic drawings, in which:
    Figure 1 is a side elevational view of a vehicle in the form of a double-axle mixer trailer according to a first embodiment of the invention;
    Figure 2 is a top view, partially by transparency, through the bottom of the container, of the vehicle shown in Figure 1;
    Figure 3 is a partial perspective view of the vehicle rolling device of Figures 1 and 2, the container and the drawbar being removed;
    Figure 4 is a partial detail view, from below and on a different scale, of the connection zones between the double axle and the bottom of the container of the vehicle shown in Figures 1 and 2;
    Figure 5 is a partial side elevational view of the connection area between a single or single axle and the bottom of the container of the agricultural vehicle, according to a second embodiment of the invention;
    FIG. 6 is a partial view in lateral elevation of the connection zone between two axles mounted in tandem and the bottom of the container of the agricultural vehicle, according to a third embodiment of the invention, and, FIG. 7 is a partial view in side elevation of the connection zone between three axles arranged in a tridem and the bottom of the container of the agricultural vehicle, according to a fourth embodiment of the invention.
    Figures 1 to 7 show, at least partially, an agricultural vehicle 1 comprising a container 2 mounted on at least one train 1 'of wheels 6, 6', in particular tipper trailer, mixer or mixer trailer, and in which the container 2 rests through
    -4 plates or fixing brackets 9 ', 11' and scales or weighing sensors 4, 4 ', preferably directly, that is to say without the use of an intermediate chassis, on one or more axles (x) forming said train of wheels 1 ′.
    According to the invention, the container 2 is mounted on the axle 3 or each of the axles 3 of the train 1 'considered by means of at least two pairs 5 and 5' of load cells 4, 4 ', each pair 5 , 5 ′ being constituted by two load cells 4 and 4 ′ situated on either side of a vertical plane PV containing the axis X of the axle 3, in the case of a train 1 ′ with a single axle, or of a plane PV parallel to the vertical planes containing the axes X, X ', X of the axles 3 of a train 1' with several axles.
    Advantageously, the two load cells 4 and 4 'of the same pair 5, 5' are arranged substantially symmetrically with respect to the associated vertical plane PV and the load cells 4, 4 'of two pairs (making the same axle-container connection) are identical . Alternatively, the two load cells 4 and 4 'of the same pair 5, 5', can be arranged asymmetrically with respect to the associated vertical plane PV, the load cells of the two pairs being possibly different.
    The load cells 4, 4 ′ are preferably arranged perpendicular to the associated PV plane, but can also be arranged parallel to this plane, that is to say parallel to the corresponding axis X, X ′, X.
    These different possibilities of arrangement of the scales 4, 4 ′ have no significant influence on the reliability or the quality of the weighing.
    As shown in particular in FIGS. 2 to 4, each pair of load cells 5, 5 ′ is offset laterally with respect to the longitudinal axis AL of the vehicle 1 in the direction, and preferably in the immediate vicinity, of the wheel 6 or of the wheels 6, 6 ', from train 1', located on one side of vehicle 1.
    Thanks to the implementation of at least four load cells 4, 4 ′ for each connection containing 2 - axle 3 and to the two-by-two arrangement of said load cells at the level of the axle 3 concerned, the invention makes it possible to reduce the dimension load cells 4, 4 'used, while being able to support a higher load, and allow a better distribution of forces in the case or container 2. The reduced size of load cells 4, 4' also makes it possible to arrive at a compact solution in height, for a given container size 2. However, the height of vehicle 1 is decisive for
    -5 access or not in a building. A reduced height of the vehicle 1 is also appreciable when loading the box with, for example, the food making up the ration.
    The implementation of four load cells 4 and 4 ′ by connection with a symmetrical arrangement or not and at a distance from the vertical plane PV concerned, provides a rigid and resistant connection with good distribution of the constraints, taking into account the multiplication and the spacing attachment points with container 2.
    Indeed, the relative spacing between them allows a spatially more distributed distribution of the forces in the bottom 2 ′ of the container 2.
    Finally, a reduction in the section of the load cells 4, 4 ′ also results in a more reliable connection, an improvement in the compactness in height, a drop in production costs and in the unladen weight of the vehicle 1. The load on each load cell 4 , 4 'and therefore their individual solicitation are also reduced; the same applies to the fastening and assembly elements connecting said load cells 4, 4 ′ to the container 2 and to the axle 3 concerned.
    In accordance with a preferred embodiment shown in Figures 2 to 5 in particular, each load cell 4, 4 'is secured, on the one hand, downwards, with the cross member 7 of the single axle 3 or with a suspension element 8 (for example a leaf spring) connecting the crosspieces 7 of two axles 3, by means of a first plate or fixing console 9 and, on the other hand, upwards, with the bottom 2 'of the container 2 or with a spar 10 extending under said bottom 2 ', by means of a second plate or fixing console 11, thus providing a rigid connection between said container 2 and the cross-member (s) 7 of the 'axle 3, the securing zones of the second plates or consoles 11 of the two load cells 4, 4' of the same pair 5, 5 'with the bottom 2' or a spar 10 being located at a distance from the vertical plane PV associated with the pair considered.
    Advantageously, the two load cells 4 and 4 'of the same pair of load cells 5, 5' are secured to the cross member 7 of the single axle 3 or to the suspension element 8 connecting the cross members 7 of two axles 3, by through the same console or lower plate 9 comprising two opposite and symmetrical mounting sites 9 ′ for said load cells 4 and 4 ′ of the pair 5, 5 ′ considered. This results in an arrangement of connections, for each 5, 5 ′ pair, comprising a double spaced connection with the container 2 and a single connection with the axle 3.
    As shown in FIGS. 4 to 7, different train constructions 1 ′ of wheels 6, 6 ′ are capable of integrating the specific technical provisions of the invention described below and below.
    Thus, in relation to the most common embodiments of rolling devices and wheel sets 1 ′ of agricultural vehicles 1 of the trailer type, the invention can be implemented in a construction:
    - single or single axle 3 (Figure 5);
    - with two axles 3 (Figures 4 and 6), of the double (bogie) or tandem type;
    - with three axles 3 (Figure 7), arranged in a tridem.
    The use of a tandem axle or a triple axle is recommended in the case of a container 2 of very large capacity and for regular road use, these axles allowing a better distribution of the loads. The tandem axle is considered to be two single axles which are independent of each other.
    In the particular arrangement of load cells 4 and 4 ′, the load components act in the load direction of the load cell. There are therefore no parasitic loads which could generate errors on the weighing result.
    In accordance with a first variant, shown in Figures 1 to 4, it can be provided that, in the case of a wheel set 1 'with two axles 3, the axles 3 are fixed to the two opposite ends of an element of suspension 8 elongated in the form of an arrangement of spring blades, the two load cells 4, 4 ′ of each of said pairs being joined, in a centered manner, to said arrangement of spring blades by a lower fixing console 9.
    This results in a double axle construction.
    In accordance with a second constructive variant, represented in FIG. 6, it can also be provided that, in the case of a wheel set 1 ′ with two axles 3 each axle 3 is fixed, in a centered manner to an elongated suspension element 8 in the form of an arrangement of spring blades, the two opposite ends of said suspension element 8 each being secured to a pair 5, 5 ′ of load cells 4, 4 ′ by means of a fixing console 9, one of said consoles 9 possibly being connected to the opposite ends or mutually close to the two elongated suspension elements 8.
    -7 We then arrive at a construction with two axles 3 mounted in tandem.
    As shown in Figures 6 and 7, the brackets or lower plates 9 'located in front of the axles 3 in the rolling direction A, can optionally serve as anchor points for rods 14 connected to the crosspieces 7, or to their stirrups fastening at the ends of the elongated suspension elements, to stabilize the axle 3 concerned against resistive rolling forces or constraints.
    According to a characteristic of the invention, each load cell 4, 4 ′ has an elongated structure, with a preferred extension along a longitudinal axis a 1, the longitudinal axes a of the four load cells 4, 4 ′ of the two pairs 5, 5 ′ assigned to the axle 3 or to the same cross-member 7, all being located in the same horizontal plane PH, being preferably parallel to the longitudinal axis AL of the agricultural vehicle 1.
    According to a constructive variant making it possible, in particular in relation to the preceding characteristic, to achieve a space requirement in limited height, each of the four load cells 4, 4 ′ of the two pairs 5, 5 ′ assigned to the axle 3 or to the same cross member 7, has an elongated structure extending along a longitudinal axis a 1, the two load cells 4 and 4 'of each pair 5, 5' being shaped and mounted so that their mounting sites 9 ', 11', respectively at the level of the first plate 9 and at the level of the two second plates 11, are substantially aligned.
    In accordance with an advantageous choice from among the weighing sensor solutions known to those skilled in the art, each 4, 4 ′ load cell can consist of an oriented or unidirectional bending or shearing sensor, preferably an elongated strain gauge of shape cylindrical, deformable under stress in a direction transverse to its longitudinal direction al and substantially rigid in the other directions.
    According to another characteristic of the invention, the bottom 2 ′ of the container 2 is mounted on two support beams 10 which comprise a plurality of securing sites 10 ′ for the consoles or plates 11 for upper attachment of the load cells 4, 4 ′, allowing a plurality of relative positions for fixing the pairs of load cells 5 and 5 ′ with respect to the container 2 in the longitudinal direction AL of the agricultural vehicle 1.
    Although other solutions can be envisaged, such as for example studs or stop pins, it is advantageously provided
    -8that the second plates or consoles 11 are secured to the side members 10 by screwing.
    An assembly by screwing or by axes of stops of the axle on the container 2 makes it possible to position the axle 3 on demand according to the version and the desired equipment, that is to say according to the position of the center of gravity. In addition, the balance of vehicle 1 is optimum and the turning radius is also optimized.
    The load on the drawbar 12 is then better controlled and the structure and sizing of the drawbar can then be optimized.
    An alternative could be a plate 11 to be welded to the beam 10 but without the optimization advantages depending on the equipment.
    Preferably, the vehicle 1 comprises a drawbar 12 which is connected to the container 2 and / or to support beams 10 arranged under the bottom
    2 'of said container 2, this by means of an additional load cell 13, identical or not to the other load cells 4 and 4'.
    The longitudinal axes of the side members 10 and those of the load cells 4 and 4 ′ of the pair concerned are advantageously located in the same vertical planes.
    Of course, the invention is not limited to the embodiments described and shown in the accompanying drawings. Modifications remain possible, in particular from the point of view of the constitution of the various elements or by substitution of technical equivalents, without thereby departing from the scope of protection of the invention.
    权利要求:
    Claims (13)
    [1" id="c-fr-0001]
    1. Agricultural vehicle (1) comprising a container (2) mounted on at least one train (E) of wheels (6, 6 '), in particular tipper trailer, mixer or mixer trailer, in which the container (2) rests by via mounting plates or brackets (9, 11) and load cells or load cells (4, 4 '), preferably directly, that is to say without the use of an intermediate chassis, on one or several axles (x) forming said train of wheels (E), vehicle (1) characterized in that the container (2) is mounted on the axle (3) or each of the axles (3) of the train (Γ) considered by at least two pairs (5 and 5 ') of load cells (4, 4'), each pair (5, 5 ') consisting of two load cells (4 and 4') located on either side a vertical plane (PV) containing the axis (X) of the axle (3), in the case of a train (E) with a single axle, or a plane (PV) parallel to the vertical planes containing the axes (X, X ', X) of the axles (3) of a train (E) more axles.
    [2" id="c-fr-0002]
    2. Vehicle according to claim 1, characterized in that the two load cells (4 and 4 ') of the same pair (5, 5') are arranged substantially symmetrically with respect to the associated vertical plane (PV), in that the scales (4, 4 ') of the two pairs are identical, and in that each pair of scales (5, 5') is offset laterally with respect to the longitudinal axis (AL) of the vehicle (1) in the direction, and preferably in close proximity to the wheel (6) or wheels (6, 6 ') of the train (E), located on one side of the vehicle (1).
    [3" id="c-fr-0003]
    3. Vehicle according to claim 1, characterized in that the two load cells (4 and 4 ') of the same pair (5, 5') are arranged asymmetrically with respect to the associated vertical plane (PV), the load cells ( 4, 4 ') of the two pairs possibly being different and in that each pair of load cells (5, 5') is offset laterally with respect to the longitudinal axis (AL) of the vehicle (1) in the direction, and preferably in the vicinity the wheel (6) or the wheels (6, 6 ') of the train (E), located on one side of the vehicle (1).
    [4" id="c-fr-0004]
    4. Agricultural vehicle according to any one of claims l to 3, characterized in that each load cell (4,4 ') is secured, on the one hand, downwards, with the cross member (7) of the single axle (3) or with a suspension element (8)
    - 10 connecting the crosspieces (7) of two axles (3), via a first plate or fixing bracket (9) and, on the other hand, upwards, with the bottom (2 ') of the container (2) or with a spar (10) extending under said bottom (2 '), by means of a second plate or fixing bracket (11), thus providing a rigid connection between said container (2) and the cross member (s) (7) of the axle (3), the securing zones of the second plates or consoles (11) of the two load cells (4, 4 ') of the same pair (5, 5') with the bottom (2 ') or a spar (10) being located at a distance from the vertical plane (PV) associated with the pair considered.
    [5" id="c-fr-0005]
    5. Vehicle according to claim 4, characterized in that the two load cells (4 and 4 ') of the same pair of load cells (5, 5') are secured to the cross member (7) of the single axle (3) or with the suspension element (8) connecting the crosspieces (7) of two axles (3), by means of the same console or lower plate (9) comprising two opposite and symmetrical mounting sites (9 ') for said scales (4 and 4 ') of the pair (5, 5') considered.
    [6" id="c-fr-0006]
    6. Agricultural vehicle according to any one of claims 1 to 5, characterized in that each load cell (4, 4 ') has an elongated structure, with a preferred extension along a longitudinal axis (al), the longitudinal axes (al) of the four load cells (4, 4 ') of the two pairs (5, 5') assigned to the axle (3) or to the same cross member (7), all being located in the same horizontal plane (PH), preferably being parallel to the longitudinal axis (AL) of the agricultural vehicle (1).
    [7" id="c-fr-0007]
    7. Agricultural vehicle according to any one of claims 4 and 5, characterized in that each of the four load cells (4, 4 ') of the two pairs (5, 5') assigned to the axle (3) or to the same crosspiece (7), has an elongated structure extending along a longitudinal axis (a1), the two load cells (4 and 4 ') of each pair (5, 5') being shaped and mounted in such a way that their mounting sites (9 ', 11'), respectively at the first plate (9) and at the two second plates (11), are substantially aligned.
    [8" id="c-fr-0008]
    8. Agricultural vehicle according to any one of claims 1 to 7, characterized in that each load cell (4, 4 ') consists of a bending or shear sensor oriented or unidirectional, preferably an elongated strain gauge of cylindrical shape , deformable under stress in a direction transverse to its longitudinal direction (a1) and substantially rigid in the other directions.
    - 11
    [9" id="c-fr-0009]
    9. Agricultural vehicle according to any one of claims 1 to 8, characterized in that the bottom (2 ') of the container (2) is mounted on two support beams (10) which include a plurality of securing sites (10' ) for the consoles or plates (11) for upper fixing of the load cells (4, 4 ′), allowing a plurality of relative positioning positions for fixing the pairs of load cells (5 and 5 ′) relative to the container (2) in the longitudinal direction (AL) of the agricultural vehicle (1).
    [10" id="c-fr-0010]
    10. Agricultural vehicle according to claims 4 and 9, characterized in that the second plates or consoles (11) are secured to the side members (10) by screwing.
    [11" id="c-fr-0011]
    11. Agricultural vehicle according to any one of claims 1 to 10, characterized in that it comprises a drawbar (12) which is connected to the container (2) and / or to support beams (10) arranged under the bottom ( 2 ') of said container (2), this by means of an additional load cell (13), identical or not to the other load cells (4 and 4').
    [12" id="c-fr-0012]
    12. Vehicle according to any one of claims 1 to 11, characterized in that, in the case of a wheel set (Γ) with two axles (3), these axles (3) are fixed at the two opposite ends d '' an elongated suspension element (8) in the form of an arrangement of spring blades, the two load cells (4, 4 ') of each of the pairs (5, 5') concerned being secured, in a centered manner, to said arrangement of spring blades (8) by a lower fixing console (9).
    [13" id="c-fr-0013]
    13. Vehicle according to any one of claims 1 to 11, characterized in that, in the case of a wheel train (Γ) with two axles (3) each axle (3) is fixed, in a centered manner, to a suspension element (8) elongated in the form of an arrangement of spring blades, the two opposite ends of said suspension element (8) each being secured to a pair (5, 5 ') of load cells (4, 4') by the 'Intermediate of a fixing console (9), one of said brackets (9) being optionally connected to the opposite ends or mutually close to the two elongated suspension elements (8).
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    同族专利:
    公开号 | 公开日
    US10458837B2|2019-10-29|
    FR3053209B1|2018-07-13|
    ES2729770T3|2019-11-06|
    US20180003546A1|2018-01-04|
    EP3262919B1|2019-03-13|
    DK3262919T3|2019-06-24|
    CA2969686A1|2017-12-30|
    PL3262919T3|2019-09-30|
    EP3262919A1|2018-01-03|
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    法律状态:
    2017-05-22| PLFP| Fee payment|Year of fee payment: 2 |
    2018-01-05| PLSC| Search report ready|Effective date: 20180105 |
    2018-06-26| PLFP| Fee payment|Year of fee payment: 3 |
    2019-06-25| PLFP| Fee payment|Year of fee payment: 4 |
    2021-03-12| ST| Notification of lapse|Effective date: 20210206 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1670356|2016-06-30|
    FR1670356A|FR3053209B1|2016-06-30|2016-06-30|AGRICULTURAL VEHICLE PROVIDED WITH IMPROVED WEIGHTING|FR1670356A| FR3053209B1|2016-06-30|2016-06-30|AGRICULTURAL VEHICLE PROVIDED WITH IMPROVED WEIGHTING|
    CA2969686A| CA2969686A1|2016-06-30|2017-06-06|Agricultural vehicle with improved weighing means|
    EP17305811.6A| EP3262919B1|2016-06-30|2017-06-28|Agricultural vehicle provided with improved weighing means|
    DK17305811.6T| DK3262919T3|2016-06-30|2017-06-28|Agricultural vehicle equipped with an improved weighing device|
    ES17305811T| ES2729770T3|2016-06-30|2017-06-28|Agricultural vehicle equipped with an improved weighing medium|
    PL17305811T| PL3262919T3|2016-06-30|2017-06-28|Agricultural vehicle provided with improved weighing means|
    US15/636,846| US10458837B2|2016-06-30|2017-06-29|Agricultural vehicle with load cells directly between upper and lower fixation plates|
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