• 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:
    Chain tensioning system on a caterpillar tractor, comprising a front tension wheel, a rear steer wheel, a chain, rolling wheels, and an intermediate transmission wheel; which further comprises a frame, a crank and a connecting rod; the rotating frame being in relation to the frame of the tracked tractor itself, said rotary movement being contained in a plane perpendicular to the axes of the front and rear wheels; and the front and rear wheels being simultaneously linked to the frame, the rear wheel being in a fixed position relative to the frame, and the front wheel in a movable position relative to the same frame and therefore in relation to the rear wheel; the front wheel presenting the possibility of movement in a straight line defined by the frame itself in the sense of approaching or moving away from the rear wheel. (Machine-translation by Google Translate, not legally binding)
    公开号:ES2566039A1
    申请号:ES201531834
    申请日:2015-12-17
    公开日:2016-04-08
    发明作者:Alejandro EIXIMENO ARRUFAT；Francisco Colman SANON MONLLAU
    申请人:Imposita Metal S L L；Imposita Metal SLL；
    IPC主号:
    专利说明:

    CHAIN TENSIONING SYSTEM IN AN ORUGA TRACTOR 5 OBJECT OF THE INVENTION
    The purpose of the present invention application is to register a chain tensioning system on a caterpillar tractor, which incorporates notable innovations and advantages over the techniques used so far.
    More specifically, the invention proposes the development of a chain tensioning system in a caterpillar tractor, which, by its particular arrangement, allows the automatic correction of the tension of the track chain of a caterpillar tractor and without the use of any pneumatic or hydraulic means for operation.
    15 BACKGROUND OF THE INVENTION
    Caterpillar tractors, widely used in many machines or heavy vehicles, are known in the current state of the art.
    20 In the particular case of track systems with a triangular shape, and especially after passing over difficult and irregular terrain, it is very common for them to be loosened in their feed chains.
    25 A poorly tensioned feed chain can cause, from malfunctioning of the machine, poor positioning, vibrations in the feed, reduction in the effectiveness of the work, up to sometimes, the total or partial breakage of the feed chain and, consequently , the immobilization of the machine.
    30 This implies that firstly the assistance and rescue operations of the machine, from the point of breakage and immobilization, to the assistance or repair shop, are very expensive, both in time and economically.
    There are systems for regulating the tension of the feed chain in machines or 35 vehicles with tracked tractors, based on hydraulic elements, but their effectiveness is


    limited, taking into account the complexity of a hydraulic pump system that the device has to incorporate to ensure its correct operation during the entire harvesting operation.
    The present invention contributes to solve and solve the present problem, since it allows for adequate tensioning of the chains of a caterpillar tractor, without the need for the use of any pneumatic or hydraulic means for its operation.
    DESCRIPTION OF THE INVENTION
    The present invention has been developed in order to provide a chain tensioning system in a caterpillar tractor, which comprises a tensioning front wheel, a rear forwarding wheel, a chain, rolling wheels, and an intermediate wheel of transmission, and mutually forming the front wheel, the rear wheel and the wheel
    Transmission intermediate a triangular arrangement; and that it is essentially characterized by the fact that it also comprises a frame, a crank and a connecting rod; the rotating frame being in relation to the frame of the caterpillar tractor itself, said rotating movement being contained in a plane perpendicular to the axles of the front and rear wheels; and the front and rear wheels being simultaneously linked to the frame, the
    20 rear wheel in a fixed position in relation to the frame, and the front wheel in a mobile position in relation to the same frame and therefore in relation to the rear wheel; presenting the front wheel possibility of movement in a straight line defined by the frame itself in the direction of approaching or moving away from the rear wheel; the crank being fixed in relation to the frame of the caterpillar tractor itself and in an intermediate position
    25 between the front and rear wheels, the rolling wheels and the intermediate wheel; the connecting rod being at one of its ends articulated with the crank, and at the other end also articulated at a fixed point with respect to the axis of the front wheel; the angular or turning movement of the connecting rod being contained in a plane perpendicular to the axles of the front and rear wheels; presenting the point of articulation between the crank and the connecting rod a
    30 relative position in relation to the frame, and therefore also in relation to the rear wheel, which is variable according to the inclination of the frame itself relative to the frame of the caterpillar tractor itself.
    Additionally, in the chain tensioning system on a caterpillar tractor, the connecting rod has a geometry as a "boomerang".


    Alternatively, in the chain tensioning system on a caterpillar tractor, the intermediate wheel is a tractor.
    5 Preferably, in the chain tensioning system on a caterpillar tractor, the frame has a straight rail containing a sliding pin, the axle of the front wheel being inserted and integral with said pin, the rail defining the straight line of movement of the front wheel in relation to the frame itself and the rear wheel, and one end of the connecting rod being articulated in turn in said pin.
    10 Thanks to the present invention, it is possible to maintain an adequate tension of the chains of a caterpillar tractor, without the need for the use of any pneumatic or hydraulic means for its operation, by varying the shape of the triangle described by the traction chain path .
    Other features and advantages of the chain tensioning system in a caterpillar tractor will be apparent from the description of a preferred but not exclusive embodiment, which is illustrated by way of non-limiting example in the accompanying drawings, in which : 20 BRIEF DESCRIPTION OF THE DRAWINGS
    Figures 1 and 2.- They are schematic views of a preferred embodiment of the chain tensioning system in a caterpillar tractor of the present invention, indicators
    25 also of its operation. Figure 3.- It is another schematic added view of a preferred embodiment of the chain tensioning system in a caterpillar tractor of the present invention. Figures 4 and 5.- They are schematic views of a preferred embodiment of the chain tensioning system in a caterpillar tractor of the present invention, indicators of
    30 its result in the case of attack on a positive and negative slope, respectively.
    DESCRIPTION OF A PREFERRED EMBODIMENT
    The chain tensioning system in a caterpillar tractor of the present invention belongs to the sector of the caterpillar tractor technique.


    Accordingly, and as schematically depicted in Figures 1 and 2, the chain tensioning system in a caterpillar tractor of the invention comprises a tensioning front wheel 1, a forwarding wheel 2, a chain 3 , some wheels of
    5 rolling 4, and an intermediate transmission wheel 5, and mutually forming the front tensioning wheel 1, the rear forwarding wheel 2 and the intermediate transmission wheel 5 a triangular arrangement, as is already known in the state of the technique.
    In accordance with the invention itself, and as can also be seen schematically
    10 in Figures 1 and 2, the chain tensioning system in a caterpillar tractor further comprises a frame 6, a crank 7 and a connecting rod 8.
    The frame 6 in turn can rotate in relation to the frame of the caterpillar tractor itself, as indicated by the arrows of figures 1 and 2, said movement being contained in a plane
    15 perpendicular to the axles of the front 1 and rear 2 wheels.
    The front and rear wheels 2 are simultaneously linked to the frame 6.
    More specifically, the rear wheel 2 is in a fixed position in relation to the frame 6, and
    20 the front wheel 1 is in a mobile position in relation to the same frame 6 and therefore in relation to the rear wheel 2.
    Accordingly, the front wheel 1 presents a possibility of movement in a straight line defined by the frame 6 itself, in the sense of approaching or moving away from the
    25 rear wheel 2.
    For this purpose, the frame 6 has a straight rail 61 in which a sliding pin 62 is inserted which contains and is integral with the axis of the front wheel 1. Said straight rail 61 defines the straight line of movement of the front wheel 1 in relation to to frame 6 itself and
    30 the rear wheel 2.
    The crank 7 is fixed in relation to the frame of the caterpillar tractor itself, in a resulting intermediate position between the front and rear wheels 2, the rolling wheels 4 and the intermediate wheel 5.


    The connecting rod 8 has a geometry as a "boomerang", suitable for its operation.
    The connecting rod 8 is at one end articulated with the crank 7, and at the other end5 is also articulated at a point that is integral with the axis of the front wheel 1, inconcrete, is articulated with pin 62.
    The resulting arrangement assumes that angular or turning movement of the connecting rod 8 is contained in a plane perpendicular to the axles of the front and rear wheels 2.
    10 As can be seen comparatively between Figures 1 and 2, the turning movement of the connecting rod 8 by means of its articulation in the crank 7, supposes that the other end of the connecting rod 8 which is articulated with the pin 62, causes the movement of the pin 62 inside the rail 61, which ultimately means the displacement of the front wheel 1, in the direction
    15 move away or approach the rear wheel 2.
    At the same time, the point of articulation between the crank 7 and the connecting rod 8 has a relative position in relation to the frame 6, and therefore also in relation to the rear wheel 2, which is variable according to the inclination of the frame 6 itself with respect to the own frame
    20 caterpillar tractor.
    Using an arrangement already known in the state of the art, said point of articulation between the crank 7 and the connecting rod 8 is linked to the frame 6 and therefore to the rear wheel 2 by means of an elastic means. In this preferred embodiment, the
    The elastic medium is a vibration damper 63, as schematically represented in Figure 3. This arrangement already known in the state of the art also contributes to the tensioning of the chain 3 tension.
    The arrangement of the chain tensioning system on a caterpillar tractor of the present
    The invention is compatible with the fact that the intermediate wheel 5 is a tractor, as shown schematically in Figure 3.
    Thanks to the chain tensioning system in a caterpillar tractor of the present invention, the operation of chain tensioning 3 is substantially simplified, as it is not necessary
    35 no pneumatic or hydraulic input for its operation, since the system of the


    The invention is fully mechanical, and is regulated automatically, since the crank 7 is fixed, and the connecting rod 8 is the one that, in its movement, drags and repositions the front wheel 1 with which it is, achieving the regulation of the tension in the invention.
    5 The arrangement of the chain tensioning system on a caterpillar tractor of the proposed invention, with its movable frame 6 and connecting rod 8 in relation to the caterpillar tractor frame itself, and the fixed crank 7 in relation to the same caterpillar tractor frame itself, It is particularly useful for avoiding the tensioning of chain 3 in the case of attack on a positive slope or a negative slope, as can be seen respectively in the
    10 figures 4 and 5.
    The details, shapes, dimensions and other accessory elements, as well as the materials used in the manufacture of the chain tensioning system in a caterpillar tractor of the invention, may be conveniently replaced by others that are
    They are technically equivalent and do not depart from the essentiality of the invention or the scope defined by the claims set forth below.

    权利要求:
    Claims (3)
    [1]
    1. Chain tensioning system on a caterpillar tractor, comprising a tensioning front wheel (1), a rear wheel (2), a chain (3), 5-wheel wheels (4), and a wheel intermediate transmission (5), and mutually forming the front wheel (1), the rear wheel (2) and the intermediate transmission wheel (5) a triangular arrangement; characterized in that it further comprises a frame (6), a crank (7) and a connecting rod (8); the frame (6) being rotatable in relation to the frame of the caterpillar tractor itself, said rotating movement being contained in a plane 10 perpendicular to the axles of the front (1) and rear (2) wheels; and the front (1) and rear wheels (2) being simultaneously linked to the frame (6), the rear wheel (2) being in a fixed position in relation to the frame (6), and the front wheel (1) in a position mobile in relation to the same frame (6) and therefore in relation to the rear wheel (2); presenting the front wheel (1) possibility of movement in a straight line defined 15 by the frame itself (6) in the direction of approaching or moving away from the rear wheel (2); the crank (7) being fixed in relation to the frame of the caterpillar tractor itself and in an intermediate position between the front (1) and rear (2) wheels, the rolling wheels (4) and the intermediate wheel (5); the connecting rod (8) being at one of its ends articulated with the crank (7), and at the other end also articulated at a fixed point with respect to the axis of the front wheel
    20 (1); the angular or turning movement of the connecting rod (8) being contained in a plane perpendicular to the axles of the front (1) and rear (2) wheels; presenting the point of articulation between the crank (7) and the connecting rod (8) a relative position in relation to the frame (6), and therefore also in relation to the rear wheel (2), which is variable according to the inclination of the crank itself frame (6) with respect to the frame of the caterpillar tractor itself.
    [2]
    2. Chain tensioning system in a caterpillar tractor according to claim 1, characterized in that the connecting rod (8) has a geometry as a "boomerang".
    3. Chain tensioning system on a caterpillar tractor according to claim 1, characterized in that the intermediate wheel (5) is a tractor.
    [4]
    4. Chain tensioning system on a caterpillar tractor according to claim 1,
    characterized by the fact that the frame (6) has a straight rail (61) containing a sliding pin (62), the axle of the front wheel (1) being inserted and integral with

    said pin (62), the rail (61) defining the straight line of movement of the front wheel (1) in relation to the frame itself (6) and the rear wheel (2), and one end of the connecting rod (8) being articulated in turn in said pin (62).




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    同族专利:
    公开号 | 公开日
    ES2566039B1|2017-01-30|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    JPS6171280A|1984-08-20|1986-04-12|Rosenlew Ab Oy W|Clamping device for crawler-belt for car|
    US20090102282A1|2007-10-18|2009-04-23|Joseph Voegele Ag|Crawler track|
    JP2012171511A|2011-02-22|2012-09-10|Kubota Corp|Crawler traveling device|
    法律状态:
    2017-01-30| FG2A| Definitive protection|Ref document number: 2566039 Country of ref document: ES Kind code of ref document: B1 Effective date: 20170130 |
    优先权:
    申请号 | 申请日 | 专利标题
    ES201531834A|ES2566039B1|2015-12-17|2015-12-17|Chain tensioning system on a caterpillar tractor|ES201531834A| ES2566039B1|2015-12-17|2015-12-17|Chain tensioning system on a caterpillar tractor|
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