• 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:
    Arrangements for implements and implement fasteners (1) for excavators, tractors and the like, comprising an implement with two substantially parallel shafts (5, 7) arranged to be gripped on an arm of the excavator, tractor or similarly arranged implement holder (1). The tool holder (1) is in its unit (8) tapered for abutment against a central part of one of the tool shafts (7). , 2009-05-13 080069SE
    公开号:SE0950332A1
    申请号:SE0950332
    申请日:2009-05-13
    公开日:2010-11-14
    发明作者:Stig Sandberg
    申请人:Stig Sandberg；
    IPC主号:
    专利说明:

    30 20 25 30 is rotated so that also a second shaft of the implement can be gripped by an opposite end of the tool holder, and a locking mechanism of this can then lock the tool to the tool holder.
    A tool holder must be dimensioned to be able to transmit the power play that arises * in the digging arm, link arm. and bracket, as well as further between bracket and fastening module on the implement, and finally external force on e.g. a shovel tooth tip.
    The tool holder provides an extra weight, which has a negative effect on the excavator's lifting capacity and energy consumption, as well as on its maintenance costs.
    It is also common for a so-called tilt intermediate or rotator intermediate is arranged in. the machine's tool holder, and then has this. intermediate part of another tool holder in which the bucket or other tool is connected. Due to its design, the tool holder has a negative impact on the tilt intermediate part's ability to tilt sufficiently, which can be partly compensated by giving the tilt intermediate part a higher construction height.
    However, this in turn has a negative effect on both the weight of the unit and thus also on the nwskine's performance and fuel consumption.
    It is therefore of essential importance that the tool attachment units, ie. the tool holder and the fastening parts on the tools, have construction solutions such as. provides low weight and at the same time good strength and high wear resistance. It is also essential that a tool holder can be designed with as low a construction height as possible. The dimension of a bucket cylinder is usually designed for a specific bucket that must be mounted on the excavator arm, in order to obtain a suitable size of the digging force in the tip of the bucket's tooth and possibly needle parts. If a tool holder, with additional tool holder, is mounted on the digging arm, the digging force will decrease due to the distance point - tooth tip increasing. This thus also leads to increased energy consumption.
    It is therefore an object of the present invention to provide a new arrangement for implements and tool mounts so that it becomes possible to increase the tilt capacity of a tilt intermediate part without increasing the dimensions of the tilt intermediate part, so that a low construction height can be maintained and the machine performance improved.
    The above-mentioned object of the invention is achieved with an arrangement according to the invention, comprising a tool with, two opposite substantially parallel axes, a so-called tool gate, arranged to be gripped by a tool holder, where according to the invention the tool holder is tapered at one end.
    Preferably, the tool holder is designed so that at the tapered end it has only a substantially centered attachment point for gripping the shaft of the tool.
    The invention will now be described in more detail in the form of an exemplary embodiment and with the aid of the accompanying drawing figures, in which Fig. 1 shows a side view of a tool holder according to the prior art connected to two shafts of a tool not shown, Fig. 2 shows a plan view of the normal design of a tool holder, Fig. 3 shows a plan view of the new proposed design of the tool holder, and Fig. 4 shows a perspective view of the new tool holder according to the invention.
    Fig. 1 thus shows a side view of a tool holder 1 according to the known. technique. Such an implement bracket is mounted on the end of an arm of an excavator, tractor or the like.
    The tool holder has in its upper part two mounting shafts 2 and 3, with, 2009-05-13 080069EN 10 15 20 25 30 which the tool holder 1 is articulated to the arm, not shown, and to a cylinder device, also not shown, by means of which the tool holder l_ can be angled in relation to the arm. The tool holder 1 further has in its lower part, at one end, usually called the front end, a fork 4 which can grip a first shaft 5 of a tool. The fork 4 is formed with two spaced apart, substantially U-shaped, gripping claws 4a, 4b, which grip a part of the shaft 5. Furthermore, the tool holder 1 has the opposite end of the lower part, an insertable and extendable lock lug 6, called the rear end, which can engage under a second shaft 7 of the implement, when the implement mount. l has been maneuvered so that fork r4 4 has gripped. the first shaft. l on the implement and. brought into contact with the second axle 7. The locking lug 6 is maneuvered by means of hydraulic pressure from the excavator's cab, so that the operator can lock and unlock the locking lug when desired.
    The shafts 5, 7 of the implement are fixed in two side plates which are fixed, usually welded, in the implement. The side plates and the shafts 5, 7 thus form the connection to the implement, and together these are usually referred to as "gates". This tool gate is usually symmetrically designed so that the tool holder can grip the tool from two different directions, and the tool thus becomes reversible.
    The tool holder 1 has traditionally been designed as a substantially rectangular body as seen in plan view in Fig. 2, with the forks 4 located adjacent one end of the tool holder, at each side thereof, and the locking lug 6 located at the other end of the tool holder , width so far where the tool holder has been such that it mainly corresponds to the length of the shafts 5, 7 and the distance between the side plates of the tool. , 2009-05-13 080069EN 10 15 20 25 30 According to the invention, it is now proposed that the part 8 of the tool holder 1 which. The locking lug 6 'is formed as 3 and 4. narrower, is shown in Fig. This results in tapered sides 9 on the tool holder 1 at the end 8 comprising the locking lug 6, which is located in the middle of the width of the tool holder. The tool holder has at the end comprising the locking lug 6 at least one support surface 10, which abuts against the top of the shaft 7 when the locking lug 6 projects and abuts against the underside of the shaft 7 for locking the tool holder to the tool. With this design of the tool holder 1, a three-point abutment against the shafts 5, 7 is mainly obtained, which gives a better abutment than when four abutment surfaces are used. The three-point bearing ensures * a correct bearing against the contact surfaces on the shafts resp. fork 4 and locking lug 6.
    The taper made at one end 8 of the tool holder 1 saves weight on the tool holder, and also provides better opportunities "for tilting the tool and. The tool holder in the case of the tool holder being mounted on a tilt or rotor intermediate part. is tilted more in relation to a tool holder without taper, which means that the height of the tool holder 1 can be reduced, thereby further reducing the weight of the tool holder, which further increases the machine's performance and lowers its fuel consumption.
    For certain types of tools, such as e.g. pallet forks, it may be advantageous to at. the use. of a tapered tool holder also design the side plates so that they are also tapered, so that it is only possible to mount the tool holder 1 in a single direction, in order to prevent unintentional loading of the tool. be picked up by the locking lug 6 on the implement. , 2009-05-13 080069EN 10 15 20 25 30 The design of the tool holder 1 with a tapered. end 8 as stated above is not only useful in connection with the design of the tool gate with a taper at one end in accordance with the invention, but can also be used with traditionally designed shafts and tool gates according to prior art.
    Fig. 4 shows, as mentioned above, a perspective view of a tool holder in accordance with the invention, and which also has the tapered end. with. the locking lug 6. and, extendable The tapered sides 9 are visible, as is the centrally located support surface 11 above the locking lug 6. There are also the forks 4, at the other end of the tool holder.
    As can be seen from the drawing figures, the tapered end 8 of the tool holder can be substantially narrower than the other end of the tool holder, e.g. have a width that is only approx. one third of the width of the other end of the tool holder.
    In this way, an opportunity is achieved for a considerably improved tiltability of the implement / tool holder.
    With an arrangement according to the invention, it is thus possible to achieve not only an improved tiltability for increased efficiency in the tool / tool holder, and thus the work. As mentioned, the invention also provides the possibility of reducing the construction height of the arrangement, which entails reduced weight, and this at the far end of the operation. the excavator.
    This leads to better efficiency of the excavator, with reduced energy consumption and thus reduced impact.
    This effect is greater than what can normally be achieved by fine tuning of motors. , 2009-05-13 080069SE
    权利要求:
    Claims (5)
    [1]
    Arrangements for implements and attachments (1) for excavators, tractors and the like, comprising an implement with two substantially parallel axes (5, 7) arranged to be gripped by one on one arm of the excavator, tractor or the like ( 1), in their one spirit (8) the arranged tool holders can be characterized in that the tool holder (1) is tapered for abutment against a central part of one shaft (7) of the implement.
    [2]
    Arrangement according to claim 1, characterized in that the tapered spirit (8) of the tool holder (1) is provided with a central extendable locking lug (6) for abutment against the central part of the said one shaft (7) of the tool.
    [3]
    Arrangement according to claim 2, characterized in that the tool holder (1) in its tapered spirit (8) is provided with at least one support surface (10) for abutment against the said one shaft (7) of the tool, substantially opposite the extendable locking lug (6) .
    [4]
    Arrangement according to one of the preceding claims, characterized in that the shafts (5, 7) on the implement are arranged symmetrically on the implement in order to be able to be gripped from both sides by the implement attachment (1).
    [5]
    Arrangement according to one of Claims 1 to 3, characterized in that one axis (7) of the implement is designed narrower than the other axis (5) of the implement, substantially corresponding to the outer width. on the tapered spirit of the tool holder (1) (8). , 2009-05-13 080069SE
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    同族专利:
    公开号 | 公开日
    SE536373C2|2013-09-24|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    SE0950332A|SE536373C2|2009-05-13|2009-05-13|Arrangements for gear and attachment|SE0950332A| SE536373C2|2009-05-13|2009-05-13|Arrangements for gear and attachment|
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