• 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 invention relates to a device for releasably coupling an implement to a working machine, comprising a first part (1) supported by the implement, with opposite recesses (5, 7), a second part (2) supported by a control arm with shafts (8, 9) which can be inserted into the recesses, a break arch construction (10) with which the shafts (8, 9) can move apart, a clamping mechanism (11) for parallel displacement of the shafts, one shaft (8) is articulated with a first arm part (31), the second shaft (9) is articulated with a movable second arm part (33), a first and a second knee lever (18, 19), articulated levers (20, 21) connected to each shaft (8, 9). For quick and secure coupling, the clamping mechanism (11) comprises one or a plurality of remotely actuatable actuators and actuators (34) actuators and actuators (34) which are operative between the articulated levers (20, 21) of the knee lever (18, 19) for displacement of the shafts (8, 9) from each other to tension engagement with the bottom of the respective recesses (5, 7). (Figs. 1A and 1B)
    公开号:SE1451056A1
    申请号:SE1451056
    申请日:2014-09-12
    公开日:2016-03-13
    发明作者:Jan Hedlund
    申请人:Brokk Ab；
    IPC主号:
    专利说明:

    The present invention relates to a device for releasably coupling an implement to a maneuverable arm of a work machine according to the preamble of claim 1.
    The invention also relates to the use of a pressure medium-activated adjustable stable and operating device with inverted function in a coupling device according to claim 14. Coupling devices of this type for releasable coupling of an implement with a manoeuvrable arm have a working machine. A disadvantage of hitherto known coupling devices is that they are complicated and build very much in height between the maneuverable spirit armament and the tool. The coupling devices usually comprise a separate mounting plate or an adapter in one side of which the maneuverable arm of the work machine is articulated while the coupling device itself is attached in the other spirit of the adapter. Due to the mounting plate, four axes are required between the maneuverable arm of the work machine and the implement, two axles being arranged in the intermediate piece and two axes in the coupling device itself. It is desirable to reduce the need for the said double shoulder pairs. Due to its complexity, the coupling device becomes unnecessarily heavy, whereby the center of gravity of the working machine is shifted in an unfavorable position when extending the arm.
    Kanda fasten does not have the flexibility required to be used with a number of different types of tools, regardless of make, and regardless of the relative distance between the tool's fixed points, whereby some tools may be particularly "narrow" and the coupling device must be able to collapse very much for a intervene between the fixed points while other gears may be so wide "between the fixed points that there is a risk of play. Kanda fasteners can not be adjusted so that the gap or the relative distance of the coupling device's gripping means maintain a dull, loose tension grip while working with the implement.
    A first object of the present invention is to provide a device for releasably coupling an implement with a manoeuvrable arm has a work machine which solves the above problems and makes it possible to allow assembly and disassembly of an implement in a simple, fast and safe manner. on the arm of the work machine. In the first place, a light-weight coupling device is sought which has a lack of a construction-providing intermediate piece between the free spirit of the control arm and the fastening means of the implement. The elimination of such an intermediate piece meant that the coupling device can obtain a low construction height, a simplified construction, with low weight and significant material savings. Through a weight saving, ie. with a lower net weight has http://dms.zacco.com/sites/se/Case/111340SC/41403740/P41403740SE00/P41403740SE00_2014 12_140912 besk o patentkrav.docx 2 coupling device, the working machine can in the free spirit of the maneuverable arm, only heavier and armed more powerful gear. The viii saga, a relatively small work machine can be used when working with relatively heavier and thus more efficient tools.
    Another object of the invention is to provide a coupling device which allows irrigable coupling of a tool with a maneuverable arm of a work machine to take place automatically, which may involve remotely maneuvered loading of tools and ensures that a constant, predetermined welding force is maintained during the work of the machine. in a safe way with the tool. This has not been possible with prior art coupling devices, especially in the common type which is read by a clamping mechanism comprising wedge and counter and the wedge is manually driven into the clamping mechanism by means of an impact tool by an operator. It should be understood that the loading power of the coupling device in this known embodiment will vary in an undesirable manner.
    These objects of the invention are achieved by a coupling device which has obtained the features and markers stated in claim 1. Further features and features of the invention appear from the subclaims.
    In the following, an embodiment of the invention is described with reference to the accompanying drawings, in which; Figs. 1A-1B show a perspective view of a coupling device according to the invention comprising a first part connected to or constituting an integral part of a tool, and a second part supported by a maneuverable arm entering a work machine.
    Fig. 2 shows a perspective view of the coupling device with ice-drawn parts, where a spirit of a movable and fixed arm part of a working machine is shown indicated by a dotted line.
    Fig. 3 schematically shows a hydraulic coupling diagram for stable and maneuverable vehicles intended for use in a coupling device according to the invention.
    Fig. 4 shows a side view of the coupling device when its first and second part, respectively, are in a coupled position.
    Fig. 5A shows a perspective view of an operating unit as seen by an operator and which operating unit can not be used as part of a coupling device according to the invention, Fig. 5B shows in the form of an assembly the functions of the operating unit working symbols and symbols for switching the coupling device. a coupling part has a tool.
    The device according to the invention shown in the figures comprises a first part 1 (Fig. 1B) which is connected to a tool and a second part 2 (Fig. 1A) which is connected to a manoeuvrable arm of a working machine. Neither the work machine nor the tool is shown in its entirety in the drawing, as they do not in themselves form part of the invention. http://dms.zacco.com/sites/se/Case/111340SC/41403740/P4 1403740SE00 / P41403740SE00_2014-09- 12_140912 besk o patentkrav.docx 3 The part 1 (fig. 1B) supported by the implement comprises two parallels at a distance spaced side pieces 3, each of which, at its one end portion, has projections 4 with a U-shaped food Open first recess 5, the bottom of which is semicircular with a certain radius or diameter. Each side piece 3 has at its second duck portion a projection 6 with a similar U-shaped food used in second recesses 7, corresponding to the one described above. The side panels 3 placed parallel to each other are designed so that the first recesses 5 in one end portion of the side pieces 3 and the recesses 7 in the second end portion of the side pieces form facing pairs. Fig. 4 shows in more detail how the opposite pairs of the first recesses 5 and other pairs of second recesses 7, respectively, are located at different levels in height with respect to a first plane X1 which intersects at right angles through the main or longitudinal axis of the implement. A second plane X2 which cuts through the functional support surfaces of each of the first first recesses 7 of each of the pan / ice forms an acute angle α towards the first plane X1 of the implement. The angle between the two planes X1, X2 can be between 10 ° -30 °, preferably 15 *. The purpose of the level difference is to create space in height between the first and second recesses 5, 7 of the pan / ice and thus space for a clamping mechanism included in the device.
    The second part 2 of the present invention and supported by the work machine (Fig. 1A) comprises two parallel spaced apart circular-cylindrical shafts 8 and 9, which are joined to a breaking bag structure 10 in such a way that the Wats move parallel to and from each other. In the breaking bag construction, between the shafts 8 and 9, a clamping mechanism 11 is arranged which enables parallel displacement of the mutually parallel shafts 8, 9 towards and from each other for coupling the implement from and to the operating machine of the work machine.
    Referring to Fig. 1A and Fig. 2, the breaker bag structure includes a first and a second knuckle fabric 18, 19 which are parallel and coated at the inboard distance from each other along a common pivot axis, which forms the main axis A around which the knuckle fabrics are articulated. Since the two knuckle fabrics are identical, and in principle are mirror images of each other, for the sake of simplicity, only one knuckle fabric will be described in more detail. Each knuckle fabric 18, 19 thus comprises a first and second sea arm 20, 21 which each, by their opposite spirits, are equipped with a first hall 22 with a pivot 23. The first peg 22 and pivot 23 together form part of a swing bearing with the aid of which the 'Ada sea arms 20, 21 are slidable about the major axis A overlapping patches between the seagulls of the sea arms in the arch bearing are arranged to slide slidably towards each other in order to further stabilize the device. The first and second sea arms 20, 21 are each, at their respective spirits, provided with a circular second hall 25 whose inner diameter corresponds to the outer diameter of the shaft 8, 9 to form bearings.
    Kn5havtygens 18, 19 The first and second sea arms 20, 21, respectively, are rotatably fixed at http://dms.zacco.com/sitesise/Case/111340SC/41403740/P41403740SE00/P41403740SE00_2014 12_140912 besk o patentkrav.docx 4 named parallel axes 8, 9 interaction between stop screw 26 and gangwayed bores 27 extending through sea arm and shaft.
    A closer study of Figs. 2 and 4 shows that the shafts 8, 9 form pivot bearings for a free spirit of the maneuverable arm of the work machine, a central or centrally located part of one shaft 8 forming a pivotable bearing 30 with a free arid of a in the control arm, rigid front arm portion 31, indicated by the dotted contour line figure. On a similar salt, the second shaft 9 has a central or centrally located portion which forms a bearing 32 with a free spirit of a second arm part 33 movable in the actuating arm relative to the first access part, this second arm part being movable by the action of a hydraulic operative power cylinder as shown in Fig. 4. Said movable second arm part 33 is also shown as indicated by a dotted contour line in Fig. 2.
    Referring to Fig. 1, the clamping mechanism 11, which enables parallel displacement of the inboard parallel shafts 8, 9 in the direction of and away from each other, or in the longitudinal direction active stable and maneuvering means generally denoted by 34. In the embodiment shown therein, the stable example is used. and actuators a pair of single-acting piston-cylinder means 35 of hydraulic type in combination with a means in the form of a discrete pressure means 36 consisting of a compression spring which allows the clamping engagement of the shafts 8, 9 with the bat of respective recesses 5, 7 to be maintained by forehand determined constant hiring pressure. The clamping mechanism 11 is of the inverted type and is designed so that the clamping engagement of the shafts 8, 9 with the recesses 5, 7 is counteracted or caused by pressurization of the stable and the actuator 34. In case of lost hydraulic pressure, the device shifts automatically in clamping engagement.
    As shown in Fig. 3, in addition to said pair of piston-cylinder means 35 and compression springs 36, a hydraulic system for displacing the shafts 8, 9 comprises an electrically controlled valve 37 which can be connected via remote control to the outlet of a pump 38 or tank. 39.
    When the valve 37 is in the central layer shown in the figure, the system idles. As shown in Fig. 1A, each stall and actuator 34 is connected with a long side to a portion 21B of the second lever arm 21 which, viewed in the circular rear travel path of the lever arm, extends radially from the union of the lever with the parallel shaft 9. A recess 21B is arranged in the part of the short side 21A which projects between the articulated connection at the shaft pin 23 and the stable and actuator 34 in the second sea arm and which recess has a shape corresponding to the short side 20A of the first sea arm 20. The purpose of this recess 21B is to fold the device and arm the parallel shafts 8, 9 so much that the device also allows coupling with a first part 1 gear having relatively narrow "points between its attachment points.
    As can be seen from Fig. 3, each stall and actuator 34 comprises a pressure member 36 in the form of a compression spring which is integrated in the piston-cylinder member 36. The stall and actuator device http: //dms.zacmcomisites/se/Case/111340SC/414037401P41403740SE00/ P41403740EN00_2014-09- 12_140912 patent o.docx 34 is caused to assume an extended bearing by the action of the pressure member 36. The counterforce to obtain the force of the pressure member 36 and cause the stable and maneuvering device 34 to assume a retracted bearing occurs by the action of the hydraulic pressure led from the pump pressure. 38 to stables and manOver vehicle 35.
    The opposing spirits of the sea arms 20, 21 form a kind of hinge and have short sides 20A, 21A facing each other. The articulated connection via the shaft pin 23 between the sea arms 20, 21 is arranged in one spirit of the receiving short sides 20A, 21A, while a ledge 20B and the actuator 34, respectively, are arranged in the other spirit of the receiving short sides, radially spaced from the articulation. The ledge 20B acts as a support surface with a freely extendable piston rod end 34A of the stable and actuator 34, it being understood that the free spirit only abuts against the ledge 20B and thus limits the angle of rotation of the rods on a unidirectional salt only in one direction and over the ledge 20B. 34 freely extendable piston rod ends 34A can be freely spaced apart from each other if the seaweed fabrics are swung apart in the opposite direction.
    The stall and actuator 34 is connected with a long side towards a part 21B of the second sea arm 21, which part, viewed in the circular rear-shaped path of movement of the sea arm, extends radially from the union of the sea arm with the parallel axis 9. A recess 21B is arranged in the part of the short side 21A which projects between the articulated connection at the shaft pin 23 and the stable and actuator 34 in the second sea arm and which recess has a shape corresponding to the short side 20A of the first sea arm 20. The purpose of this recess 21B is to make it possible to "collapse" the device and thus the parallel shafts 8, 9 so much that the device also allows coupling with a first part 1 has tools which are relatively "narrow" between their attachment points.
    By the action of the force from the integrated pressure means 36, the free piston rod end 34A of the actuator 34 is actuated in cooperation with the ledge 20B which engages in the second sea arm 21 of the knuckle fabric, the two shafts 8, 9 moving parallel from each other. How this movement takes place is shown if Figs. 1 and 3 are studied in more detail.
    In the further movement, the free outer, spaced-apart, shaft portions 8A, 9A of the shafts 8, 9 are brought into abutment with food and towards the bottom of the respective pair-counter-recessed recesses 5, 7. The pressure means 36 in each stall and actuator 34 is selected to suitably pressing force is exerted against the ledge 20B and thereby the outer end portions of the shafts 8, 9 are brought into engagement with the inner contact surfaces of the recesses 5, 7. Thanks to the constant maintenance force from the pressure member 36, play is eliminated and a joint is formed which can maintain a dumb and predetermined welding force during work with a coupled tool. Thanks to the inverted design, where the pressure from the hydraulic fluid cancels, the welding action is maintained with high safety against, for example, breakage of pressure medium hoses, since the engagement between tool and solid material lasts until the pressure member 36's lasing force is created by applying the above http: //dms.zacco.comisitesise/Case1111340SC/4140 / P41403740SE00 / 1341403740SE00_2014-09- 12_140912 besk o patentkrav.docx 6 named hydraulic nnotkraft. Parallel movement of the shafts 8, 9 towards and away from each other is carried out when moving along circular bag-shaped paths whose radius is determined by the distance between the main axis A and each axis 8, 9.
    In the embodiment described, the two stable and operating devices 34 operating in parallel are integrated to form an integral part of the respective second hand warmer 21 which engages in each knuckle fabric 18, 19, the two ledges 20B on similar salt being designed to form an integral part. of the two first sea arms 20. The piston-cylinder means 35 of the Saval and the actuator 34 as the ledge 20B and the recess 21B have been produced by machining the respective sea arms 20, 21.
    Thanks to this integrated design, an interconnecting device is obtained in a compact, lightweight release, the initially described level difference in height between the first and second recesses 5, 7 acting in pairs providing a movement space for the tool and implement 34 between the machine tool coupling lack of habit onOclig part such as intermediate piece and shoulder pair, between the free arm of the control arm and the implement. In accordance with the invention, a compact design is obtained in which the control arm and implement jointly share the two shafts 8, 9. As can be seen from Fig. 4, the stable and control unit 34 is placed in the space defined between the pairs of recesses 5 which are covered. at a greater distance from the gear's first transverse plane X1.
    In order to facilitate the replacement of tools on work machines and to enable rapid replacement, it has become more common for the movable arm of work machines to be provided with quick-release fasteners, which can be remotely operated by an operator. The clamping mechanism provided in the present coupling device can in one embodiment be adapted to include and control means which can be remotely operated.
    An example of such an embodiment is shown in more detail in Figs. 5A and 5B, the coupling device according to the invention comprising a control unit 40a intended to be carried by an operator for remote control. The operator is via the control unit 40a in connection with the hydraulic system of the work machine. With the aid of the control unit 40a, the hydraulic system of the work machine can be adjusted to different working modes or functions. The selected work mode can be displayed on a display 40c using symbols for the operator. After the selected mode of operation, the operator can easily connect a tool to the arm of the work machine by actuating a dedicated lever or switch 40b of the mantiver unit 40a. Under the influence of the switch 40b of the control unit 40a, the stable and operating device 34 is relieved, whereby, by the action of the pressure member 36, the free outer end portions 8A, 9A of the shafts 8, 9 perform a parallel movement to abut against the bat of respective recesses 5, 7 of the implement coupling part 1. aided by the spring force of the pressure member 36 retaining the free outer end portions 8A, 9A of the shafts 8, 9 with one in http: // d ms. za cco.com/sites/selCase/111340SC/41403740/P41403740SE00/P41403740SE00_2014-09- 12_140912 besk o patentkrav.docx 7 Pre-determined welding force towards the bottom of the recesses 5, 7. Achieved and active welding is shown with a symbol on the display unit 4 for the operator.
    The invention is not limited to what is described above and that shown in the drawings, but can be modified and modified on a number of different salts within the scope of the inventive concept set forth in the following claims, in which it should be understood that the clamping mechanism pressure means for maintaining a tensioned grip can be designed in a number of different ways, for example hydraulically via a pressure-accumulating tank entering a circuit or via suitably arranged pressure-reducing valves. hftp: //dms.zacco.comis ites / se / Case / 111340SC / 41403740 / P41403740SE00 / P41403740SE00_2014 12_140912 besk o patentkrav.docx
    权利要求:
    Claims (14)
    [1]
    An apparatus for releasably coupling an implement to a work machine, the apparatus comprising a first part (1) supported by the implement, which has substantially U-shaped opposite spaced recesses (5, 7), a second, of a part (2) of the work machine, which includes a pair of shafts (8, 9) which in the interconnected direction of the device are inserted into the recesses, a break bag construction (10) with which the shafts (8, 9) are hingedly joined in such a manner that the finals move towards and away from each other, a clamping mechanism (11) located between the shafts for displacing them towards and away from each other, and insertion of the shafts into respective recesses, one shaft (8) being articulated with an inlet in the control arm rigid first arm part (31), the second shaft (9) is articulated together with a movable second arm part (33) of the mantive arm, relative to the first attachment part, and that the breaking bag construction comprises one or more knuckle fabric (18, 19), that was t and one has two hinged arms (20, 21) which are hingedly connected to the receiving spirits and which, in their usual ways, are connected to their respective shafts (8, 9), may indicate that the tensioning mechanism (11) comprises one or more a plurality of remote controllable actuators and actuators (34) acting between the articulated joint arms (20, 21) of the knuckle fabric (18, 19) for displacing the shafts (8, 9) from each other into tension engagement with the bat of the respective recesses (5, 7) .
    [2]
    Device according to claim 1, wherein each stall and actuator (34) comprises a pressure means (36) which allows the clamping engagement of the shafts (8, 9) with the bat of the respective recesses (5, 7) to be maintained by exercising a pre-determined sap pressure against the batter of the recesses.
    [3]
    Device according to claim 2, wherein the usual stall and actuator (34) comprises a pressure medium-activated piston-cylinder means (35) which by so-called an inverted function is provided to have, when pressurized, have or counteract the tensioning rope maintained by the pressure member (36) between the shafts (8, 9) and the base of the recesses (5, 7).
    [4]
    Device according to any one of claims 1-3, wherein the opposing spirits of the sea arms (20, 21) in the articulated connection have short side sides (20A, 21A) in which one side of the short sides is the articulated connection between the sea arms (20, 21). arranged via a pivot pin (23) and in which the second end of the stable and actuating device (34) is arranged to act in such a way that the shafts (8, 9) of the breaking bag structure (10) move apart when the stable and operating vehicle is activated. http://dms.zacco.com/sitesise/Case/111340SC/41403740/P4 1403740SE00 / P41403740SE00_2014 12_140912 besk a patentkrav.docx 9
    [5]
    Device according to claim 4, wherein the second spirit of the short sides (20A, 21A) comprises a ledge (20B) which serves as a support surface against a piston rod end (34A) which can be extended in the stable and the housing (34).
    [6]
    Device according to claim 5, wherein the ledge (20B) is arranged in one sea arm (20) of the knuckle fabric (18, 19) below the extendable piston rod end (34A) Jr of the stable and maneuvering vehicle (34) arranged in the other sea arm (21) of the knuckle fabric.
    [7]
    Device according to any one of claims 4-6, wherein one sea arm (21) of a knuckle fabric has a portion (21B) which extends in radial direction from the union of the sea arm with the parallel axis (9) in which portion and the actuator (34) is connected to a long side.
    [8]
    Device according to claims 4-7, wherein the short side (21A) of the second sea arm (21) in a knuckle fabric is provided with a recess (21B) in which recess has a shape corresponding to the short side (20A) of the tart sea knob (20) in the knuckle fabric. .
    [9]
    Device according to any one of claims 1-8, wherein the part (1) supported by the implement comprises two spaced apart side pieces (3) each having a first and a second projection (4, 6) in which the opposite open recesses (5, 7) are arranged at different levels in height with respect to a first plane (X1) which at right angles partly intersects through the main or longitudinal axis of the implement.
    [10]
    Device according to claim 9, wherein a second plane (X2) which cuts through the functional support surfaces has each of the first second recesses (5, 7) acting in pairs forming an acute angle (a) towards the first plane (X1). where the angle between the two planes is between 10 ° -30 °, preferably 15 °.
    [11]
    Device according to any one of claims 1-10, wherein a central intermediate area of the parallel shafts (8, 9) forms articulated bearing points (30, 32) with the first and second arm parts (31, 33) of the control arm, respectively, while outer portions (8A, 9A) of the parallel axes are located in the paired recesses (5, 7) in the interconnected layer of the device.
    [12]
    Device according to any one of claims 1-11, wherein each stall and actuator (34) is manufactured as an integral part of a sea arm (20, 21) enclosed in a knuckle fabric by machining the arm. http://dms.zacco.com/sites/se/Case/111340SC/41403740/P4 1403740SE00 / P41403740SE00_2014 12_140912 besk o patentkrav.docx
    [13]
    A device according to any one of claims 1-12, comprising linear longitudinally adjustable stable and operating means (34) which can be remotely operated via a control unit (40a) intended to be carried by an operator, which control unit comprises a lever or switch (40b) which, upon impact, activates the stall and actuator to assume a retracted or extended position.
    [14]
    Use of a pressure medium-activated adjustable stable and actuating device (34) with an inverted function in a device for releasable coupling according to the preamble of claim 1, and in the case of pressurization a tensioning rope between the shafts (8, 9) held up or counteracted by a pressure means (36) ) and the butt of the recesses (5, 7). http: //dms.zacco.corn/sitestse/Case/111340SC/414037401P41403740SED0/1341403740SE00_2014 12_140912 bask o patentkrav.docx
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    SE1451056A|SE540177C2|2014-09-12|2014-09-12|Apparatus for releasable coupling of a tool with an operable arm of a working machine.|SE1451056A| SE540177C2|2014-09-12|2014-09-12|Apparatus for releasable coupling of a tool with an operable arm of a working machine.|
    EP15181021.5A| EP2995724B1|2014-09-12|2015-08-14|Arrangement for the removable coupling of a tool with a manoeuvrable arm of a working machine|
    US14/850,600| US10113301B2|2014-09-12|2015-09-10|Arrangement for the removable coupling of a tool with a manoeuvrable arm of a working machine|
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